diff --git a/backend/alembic/versions/001_initial_schema.py b/backend/alembic/versions/001_initial_schema.py
deleted file mode 100644
index bfbaa47..0000000
--- a/backend/alembic/versions/001_initial_schema.py
+++ /dev/null
@@ -1,1225 +0,0 @@
-"""initial_schema
-
-Revision ID: 001
-Revises:
-Create Date: 2026-07-09 19:36:42.745763
-
-"""
-
-from collections.abc import Sequence
-
-import sqlalchemy as sa
-
-from alembic import op
-
-# revision identifiers, used by Alembic.
-revision: str = "001"
-down_revision: str | Sequence[str] | None = None
-branch_labels: str | Sequence[str] | None = None
-depends_on: str | Sequence[str] | None = None
-
-
-def upgrade() -> None:
-    """Upgrade schema."""
-    # 天工阁角色名册
-    op.create_table(
-        "agent_roster",
-        sa.Column("role", sa.String(length=80), nullable=False),
-        sa.Column("name", sa.String(length=120), nullable=False),
-        sa.Column("responsibility", sa.Text(), nullable=False),
-        sa.Column("enabled", sa.Boolean(), nullable=False),
-        sa.Column("last_active_at", sa.DateTime(timezone=True), nullable=True),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
-        sa.PrimaryKeyConstraint("role"),
-    )
-    # 人物主表
-    op.create_table(
-        "characters",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("name", sa.String(length=120), nullable=False),
-        sa.Column("display_name", sa.String(length=120), nullable=True),
-        sa.Column("status", sa.String(length=40), nullable=False),
-        sa.Column("language", sa.String(length=20), nullable=False),
-        sa.Column("profile_json", sa.Text(), nullable=False),
-        sa.Column("model_policy_json", sa.Text(), nullable=False),
-        sa.Column("safety_policy_id", sa.String(length=80), nullable=True),
-        sa.Column("current_personality_version_id", sa.String(length=80), nullable=True),
-        sa.Column("current_mood_id", sa.String(length=80), nullable=True),
-        sa.Column("privacy_level", sa.String(length=40), nullable=False),
-        sa.Column("owner_scope", sa.String(length=80), nullable=False),
-        sa.Column("is_system_template", sa.Boolean(), nullable=False),
-        sa.Column("source_template_id", sa.String(length=80), nullable=True),
-        sa.Column("template_key", sa.String(length=80), nullable=True),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("activated_at", sa.DateTime(timezone=True), nullable=True),
-        sa.Column("archived_at", sa.DateTime(timezone=True), nullable=True),
-        sa.PrimaryKeyConstraint("id"),
-    )
-    op.create_index(
-        op.f("ix_characters_is_system_template"), "characters", ["is_system_template"], unique=False
-    )
-    op.create_index(op.f("ix_characters_owner_scope"), "characters", ["owner_scope"], unique=False)
-    op.create_index(
-        op.f("ix_characters_source_template_id"), "characters", ["source_template_id"], unique=False
-    )
-    op.create_index(op.f("ix_characters_status"), "characters", ["status"], unique=False)
-    op.create_index(
-        op.f("ix_characters_template_key"), "characters", ["template_key"], unique=False
-    )
-    # 生成偏好
-    op.create_table(
-        "generation_preferences",
-        sa.Column("owner_scope", sa.String(length=80), nullable=False),
-        sa.Column("default_model_hint", sa.String(length=120), nullable=False),
-        sa.Column("temperature", sa.Float(), nullable=False),
-        sa.Column("top_p", sa.Float(), nullable=False),
-        sa.Column("max_output_tokens", sa.Integer(), nullable=False),
-        sa.Column("streaming", sa.Boolean(), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
-        sa.PrimaryKeyConstraint("owner_scope"),
-    )
-    # 幂等键
-    op.create_table(
-        "idempotency_keys",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("key", sa.String(length=200), nullable=False),
-        sa.Column("scope", sa.String(length=120), nullable=False),
-        sa.Column("method", sa.String(length=20), nullable=False),
-        sa.Column("path", sa.String(length=500), nullable=False),
-        sa.Column("request_hash", sa.String(length=128), nullable=False),
-        sa.Column("status", sa.String(length=40), nullable=False),
-        sa.Column("response_status_code", sa.Integer(), nullable=False),
-        sa.Column("response_body_json", sa.Text(), nullable=False),
-        sa.Column("resource_type", sa.String(length=80), nullable=True),
-        sa.Column("resource_id", sa.String(length=120), nullable=True),
-        sa.Column("trace_id", sa.String(length=80), nullable=True),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("expires_at", sa.DateTime(timezone=True), nullable=True),
-        sa.PrimaryKeyConstraint("id"),
-        sa.UniqueConstraint("scope", "key", name="uq_idempotency_scope_key"),
-    )
-    op.create_index(
-        op.f("ix_idempotency_keys_expires_at"), "idempotency_keys", ["expires_at"], unique=False
-    )
-    op.create_index(op.f("ix_idempotency_keys_key"), "idempotency_keys", ["key"], unique=False)
-    op.create_index(op.f("ix_idempotency_keys_scope"), "idempotency_keys", ["scope"], unique=False)
-    op.create_index(
-        op.f("ix_idempotency_keys_trace_id"), "idempotency_keys", ["trace_id"], unique=False
-    )
-    # MCP 服务器注册
-    op.create_table(
-        "mcp_servers",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("name", sa.String(length=120), nullable=False),
-        sa.Column("transport", sa.String(length=40), nullable=False),
-        sa.Column("endpoint_url", sa.String(length=500), nullable=True),
-        sa.Column("auth_token", sa.String(length=500), nullable=True),
-        sa.Column("command", sa.String(length=500), nullable=True),
-        sa.Column("args_json", sa.Text(), nullable=True),
-        sa.Column("env_json", sa.Text(), nullable=True),
-        sa.Column("cwd", sa.String(length=500), nullable=True),
-        sa.Column("status", sa.String(length=40), nullable=False),
-        sa.Column("tools_json", sa.Text(), nullable=False),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
-        sa.PrimaryKeyConstraint("id"),
-        sa.UniqueConstraint("name"),
-    )
-    op.create_index(op.f("ix_mcp_servers_status"), "mcp_servers", ["status"], unique=False)
-    # 模型端点覆盖
-    op.create_table(
-        "model_endpoint_overrides",
-        sa.Column("logical_model_name", sa.String(length=120), nullable=False),
-        sa.Column("endpoint_name", sa.String(length=120), nullable=False),
-        sa.Column("base_url", sa.String(length=500), nullable=True),
-        sa.Column("api_key", sa.String(length=500), nullable=True),
-        sa.Column("status", sa.String(length=40), nullable=True),
-        sa.Column("weight", sa.Integer(), nullable=True),
-        sa.Column("priority", sa.Integer(), nullable=True),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
-        sa.PrimaryKeyConstraint("logical_model_name", "endpoint_name"),
-    )
-    # 司命待确认记录
-    op.create_table(
-        "pending_confirmations",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("tool", sa.String(length=120), nullable=False),
-        sa.Column("input_json", sa.Text(), nullable=False),
-        sa.Column("risk_level", sa.String(length=40), nullable=False),
-        sa.Column("reason", sa.Text(), nullable=False),
-        sa.Column("run_id", sa.String(length=80), nullable=True),
-        sa.Column("character_id", sa.String(length=80), nullable=True),
-        sa.Column("trace_id", sa.String(length=80), nullable=True),
-        sa.Column("status", sa.String(length=40), nullable=False),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("resolved_at", sa.DateTime(timezone=True), nullable=True),
-        sa.PrimaryKeyConstraint("id"),
-    )
-    op.create_index(
-        op.f("ix_pending_confirmations_character_id"),
-        "pending_confirmations",
-        ["character_id"],
-        unique=False,
-    )
-    op.create_index(
-        op.f("ix_pending_confirmations_run_id"), "pending_confirmations", ["run_id"], unique=False
-    )
-    op.create_index(
-        op.f("ix_pending_confirmations_status"), "pending_confirmations", ["status"], unique=False
-    )
-    # 烛照感知通道
-    op.create_table(
-        "perception_channels",
-        sa.Column("channel", sa.String(length=80), nullable=False),
-        sa.Column("name", sa.String(length=120), nullable=False),
-        sa.Column("description", sa.Text(), nullable=False),
-        sa.Column("enabled", sa.Boolean(), nullable=False),
-        sa.Column("consent_status", sa.String(length=40), nullable=False),
-        sa.Column("privacy_level", sa.String(length=40), nullable=False),
-        sa.Column("risk_level", sa.String(length=20), nullable=False),
-        sa.Column("last_active_at", sa.DateTime(timezone=True), nullable=True),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
-        sa.PrimaryKeyConstraint("channel"),
-    )
-    # Skill 能力包
-    op.create_table(
-        "skills",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("name", sa.String(length=120), nullable=False),
-        sa.Column("description", sa.Text(), nullable=False),
-        sa.Column("trigger", sa.Text(), nullable=False),
-        sa.Column("prompt_fragment", sa.Text(), nullable=False),
-        sa.Column("tool_bindings_json", sa.Text(), nullable=False),
-        sa.Column("risk_level", sa.String(length=8), nullable=False),
-        sa.Column("status", sa.String(length=40), nullable=False),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
-        sa.PrimaryKeyConstraint("id"),
-        sa.UniqueConstraint("name"),
-    )
-    op.create_index(op.f("ix_skills_status"), "skills", ["status"], unique=False)
-    # 工具安全策略
-    op.create_table(
-        "tool_policies",
-        sa.Column("name", sa.String(length=80), nullable=False),
-        sa.Column("description", sa.Text(), nullable=False),
-        sa.Column("risk_level", sa.String(length=20), nullable=False),
-        sa.Column("permission_policy", sa.String(length=20), nullable=False),
-        sa.Column("side_effect", sa.Boolean(), nullable=False),
-        sa.Column("audit_required", sa.Boolean(), nullable=False),
-        sa.Column("source", sa.String(length=20), nullable=False),
-        sa.Column("enabled", sa.Boolean(), nullable=False),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
-        sa.PrimaryKeyConstraint("name"),
-    )
-    # 用户
-    op.create_table(
-        "users",
-        sa.Column("id", sa.String(length=40), nullable=False),
-        sa.Column("username", sa.String(length=80), nullable=False),
-        sa.Column("email", sa.String(length=255), nullable=False),
-        sa.Column("password_hash", sa.String(length=255), nullable=False),
-        sa.Column("is_active", sa.Boolean(), nullable=False),
-        sa.Column("is_admin", sa.Boolean(), nullable=False),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
-        sa.PrimaryKeyConstraint("id"),
-        sa.UniqueConstraint("email"),
-    )
-    op.create_index(op.f("ix_users_username"), "users", ["username"], unique=True)
-    # 河图世界实体
-    op.create_table(
-        "world_entities",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("type", sa.String(length=40), nullable=False),
-        sa.Column("name", sa.String(length=200), nullable=False),
-        sa.Column("attributes_json", sa.Text(), nullable=False),
-        sa.Column("state_type", sa.String(length=40), nullable=False),
-        sa.Column("confidence", sa.Float(), nullable=False),
-        sa.Column("sources_json", sa.Text(), nullable=False),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
-        sa.PrimaryKeyConstraint("id"),
-    )
-    op.create_index(op.f("ix_world_entities_type"), "world_entities", ["type"], unique=False)
-    # 大周天运行记录
-    op.create_table(
-        "big_cycles",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("character_id", sa.String(length=80), nullable=False),
-        sa.Column("trigger", sa.String(length=40), nullable=False),
-        sa.Column("status", sa.String(length=40), nullable=False),
-        sa.Column("phase", sa.String(length=40), nullable=True),
-        sa.Column("memory_count_at_trigger", sa.Integer(), nullable=False),
-        sa.Column("evaluation_snapshot_json", sa.Text(), nullable=True),
-        sa.Column("summary", sa.Text(), nullable=True),
-        sa.Column("error_code", sa.String(length=80), nullable=True),
-        sa.Column("error_message", sa.Text(), nullable=True),
-        sa.Column("started_at", sa.DateTime(timezone=True), nullable=True),
-        sa.Column("completed_at", sa.DateTime(timezone=True), nullable=True),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
-        sa.ForeignKeyConstraint(
-            ["character_id"],
-            ["characters.id"],
-        ),
-        sa.PrimaryKeyConstraint("id"),
-    )
-    op.create_index(
-        op.f("ix_big_cycles_character_id"), "big_cycles", ["character_id"], unique=False
-    )
-    op.create_index(
-        op.f("ix_big_cycles_completed_at"), "big_cycles", ["completed_at"], unique=False
-    )
-    op.create_index(op.f("ix_big_cycles_status"), "big_cycles", ["status"], unique=False)
-    # 灵核情绪状态
-    op.create_table(
-        "character_emotion_states",
-        sa.Column("character_id", sa.String(length=80), nullable=False),
-        sa.Column("mood", sa.String(length=40), nullable=False),
-        sa.Column("intensity", sa.Float(), nullable=False),
-        sa.Column("baseline_mood", sa.String(length=40), nullable=False),
-        sa.Column("baseline_intensity", sa.Float(), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("last_trigger_event_id", sa.String(length=80), nullable=True),
-        sa.ForeignKeyConstraint(
-            ["character_id"],
-            ["characters.id"],
-        ),
-        sa.PrimaryKeyConstraint("character_id"),
-    )
-    # 资料导入任务
-    op.create_table(
-        "character_import_jobs",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("character_id", sa.String(length=80), nullable=False),
-        sa.Column("material_type", sa.String(length=40), nullable=False),
-        sa.Column("source_type", sa.String(length=40), nullable=False),
-        sa.Column("title", sa.String(length=200), nullable=True),
-        sa.Column("status", sa.String(length=40), nullable=False),
-        sa.Column("format", sa.String(length=40), nullable=False),
-        sa.Column("media_type", sa.String(length=40), nullable=True),
-        sa.Column("mime_type", sa.String(length=80), nullable=True),
-        sa.Column("source_description", sa.Text(), nullable=True),
-        sa.Column("speaker_label", sa.String(length=120), nullable=True),
-        sa.Column("consent_status", sa.String(length=40), nullable=False),
-        sa.Column("usage_scope", sa.String(length=40), nullable=False),
-        sa.Column("checksum", sa.String(length=120), nullable=True),
-        sa.Column("item_count", sa.Integer(), nullable=False),
-        sa.Column("storage_path", sa.String(length=500), nullable=True),
-        sa.Column("raw_content", sa.Text(), nullable=True),
-        sa.Column("error_code", sa.String(length=80), nullable=True),
-        sa.Column("error_message", sa.Text(), nullable=True),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
-        sa.ForeignKeyConstraint(
-            ["character_id"],
-            ["characters.id"],
-        ),
-        sa.PrimaryKeyConstraint("id"),
-    )
-    op.create_index(
-        op.f("ix_character_import_jobs_character_id"),
-        "character_import_jobs",
-        ["character_id"],
-        unique=False,
-    )
-    op.create_index(
-        op.f("ix_character_import_jobs_checksum"),
-        "character_import_jobs",
-        ["checksum"],
-        unique=False,
-    )
-    op.create_index(
-        op.f("ix_character_import_jobs_material_type"),
-        "character_import_jobs",
-        ["material_type"],
-        unique=False,
-    )
-    op.create_index(
-        op.f("ix_character_import_jobs_status"), "character_import_jobs", ["status"], unique=False
-    )
-    # 人物视角世界实体
-    op.create_table(
-        "character_world_entities",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("character_id", sa.String(length=80), nullable=False),
-        sa.Column("type", sa.String(length=40), nullable=False),
-        sa.Column("name", sa.String(length=200), nullable=False),
-        sa.Column("attributes_json", sa.Text(), nullable=False),
-        sa.Column("state_type", sa.String(length=40), nullable=False),
-        sa.Column("status", sa.String(length=40), nullable=False),
-        sa.Column("confidence", sa.Float(), nullable=False),
-        sa.Column("evidence_ids_json", sa.Text(), nullable=False),
-        sa.Column("sources_json", sa.Text(), nullable=False),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
-        sa.ForeignKeyConstraint(
-            ["character_id"],
-            ["characters.id"],
-        ),
-        sa.PrimaryKeyConstraint("id"),
-    )
-    op.create_index(
-        op.f("ix_character_world_entities_character_id"),
-        "character_world_entities",
-        ["character_id"],
-        unique=False,
-    )
-    op.create_index(
-        op.f("ix_character_world_entities_status"),
-        "character_world_entities",
-        ["status"],
-        unique=False,
-    )
-    op.create_index(
-        op.f("ix_character_world_entities_type"), "character_world_entities", ["type"], unique=False
-    )
-    # 对话会话
-    op.create_table(
-        "chat_sessions",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("character_id", sa.String(length=80), nullable=False),
-        sa.Column("title", sa.String(length=200), nullable=True),
-        sa.Column("status", sa.String(length=40), nullable=False),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
-        sa.ForeignKeyConstraint(
-            ["character_id"],
-            ["characters.id"],
-        ),
-        sa.PrimaryKeyConstraint("id"),
-    )
-    op.create_index(
-        op.f("ix_chat_sessions_character_id"), "chat_sessions", ["character_id"], unique=False
-    )
-    op.create_index(op.f("ix_chat_sessions_status"), "chat_sessions", ["status"], unique=False)
-    # 太一目标
-    op.create_table(
-        "goals",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("character_id", sa.String(length=80), nullable=True),
-        sa.Column("title", sa.String(length=300), nullable=False),
-        sa.Column("description", sa.Text(), nullable=False),
-        sa.Column("level", sa.String(length=40), nullable=False),
-        sa.Column("type", sa.String(length=40), nullable=False),
-        sa.Column("status", sa.String(length=40), nullable=False),
-        sa.Column("priority", sa.Integer(), nullable=False),
-        sa.Column("progress", sa.Float(), nullable=False),
-        sa.Column("constraints_json", sa.Text(), nullable=False),
-        sa.Column("parent_id", sa.String(length=80), nullable=True),
-        sa.Column("success_criteria_json", sa.Text(), nullable=False),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
-        sa.ForeignKeyConstraint(
-            ["character_id"],
-            ["characters.id"],
-        ),
-        sa.ForeignKeyConstraint(
-            ["parent_id"],
-            ["goals.id"],
-        ),
-        sa.PrimaryKeyConstraint("id"),
-    )
-    op.create_index(op.f("ix_goals_character_id"), "goals", ["character_id"], unique=False)
-    op.create_index(op.f("ix_goals_level"), "goals", ["level"], unique=False)
-    op.create_index(op.f("ix_goals_status"), "goals", ["status"], unique=False)
-    # 息壤记忆
-    op.create_table(
-        "memories",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("character_id", sa.String(length=80), nullable=False),
-        sa.Column("type", sa.String(length=60), nullable=False),
-        sa.Column("title", sa.String(length=200), nullable=False),
-        sa.Column("content", sa.Text(), nullable=False),
-        sa.Column("source", sa.String(length=80), nullable=False),
-        sa.Column("confidence", sa.Float(), nullable=False),
-        sa.Column("importance", sa.Float(), nullable=False),
-        sa.Column("sensitivity", sa.String(length=40), nullable=False),
-        sa.Column("evidence_ids_json", sa.Text(), nullable=False),
-        sa.Column("status", sa.String(length=40), nullable=False),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("deleted_at", sa.DateTime(timezone=True), nullable=True),
-        sa.Column("expires_at", sa.DateTime(timezone=True), nullable=True),
-        sa.Column("temporal_context_json", sa.Text(), server_default="{}", nullable=False),
-        sa.ForeignKeyConstraint(
-            ["character_id"],
-            ["characters.id"],
-        ),
-        sa.PrimaryKeyConstraint("id"),
-    )
-    op.create_index(op.f("ix_memories_character_id"), "memories", ["character_id"], unique=False)
-    op.create_index(op.f("ix_memories_status"), "memories", ["status"], unique=False)
-    # 人格版本
-    op.create_table(
-        "personality_versions",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("character_id", sa.String(length=80), nullable=False),
-        sa.Column("version", sa.Integer(), nullable=False),
-        sa.Column("identity_profile", sa.Text(), nullable=False),
-        sa.Column("role_destiny", sa.Text(), nullable=False),
-        sa.Column("personality_seed", sa.Text(), nullable=False),
-        sa.Column("traits", sa.Text(), nullable=False),
-        sa.Column("expression_style", sa.Text(), nullable=False),
-        sa.Column("values", sa.Text(), nullable=False),
-        sa.Column("relationship_pattern", sa.Text(), nullable=False),
-        sa.Column("emotion_baseline", sa.Text(), nullable=False),
-        sa.Column("reason", sa.Text(), nullable=False),
-        sa.Column("evidence_ids_json", sa.Text(), nullable=False),
-        sa.Column("created_by", sa.String(length=80), nullable=False),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("rolled_back_at", sa.DateTime(timezone=True), nullable=True),
-        sa.ForeignKeyConstraint(
-            ["character_id"],
-            ["characters.id"],
-        ),
-        sa.PrimaryKeyConstraint("id"),
-    )
-    op.create_index(
-        op.f("ix_personality_versions_character_id"),
-        "personality_versions",
-        ["character_id"],
-        unique=False,
-    )
-    # 辰正纪念日
-    op.create_table(
-        "time_anniversaries",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("character_id", sa.String(length=80), nullable=False),
-        sa.Column("name", sa.String(length=200), nullable=False),
-        sa.Column("calendar", sa.String(length=20), nullable=False),
-        sa.Column("date", sa.String(length=20), nullable=False),
-        sa.Column("recurs_yearly", sa.Boolean(), nullable=False),
-        sa.Column("kind", sa.String(length=40), nullable=False),
-        sa.Column("subject_type", sa.String(length=40), nullable=False),
-        sa.Column("source", sa.String(length=40), nullable=False),
-        sa.Column("metadata_json", sa.Text(), nullable=False),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
-        sa.ForeignKeyConstraint(
-            ["character_id"],
-            ["characters.id"],
-        ),
-        sa.PrimaryKeyConstraint("id"),
-    )
-    op.create_index(
-        op.f("ix_time_anniversaries_character_id"),
-        "time_anniversaries",
-        ["character_id"],
-        unique=False,
-    )
-    # 档案导入候选
-    op.create_table(
-        "character_profile_candidates",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("character_id", sa.String(length=80), nullable=False),
-        sa.Column("import_job_id", sa.String(length=80), nullable=True),
-        sa.Column("field", sa.String(length=60), nullable=False),
-        sa.Column("value", sa.Text(), nullable=False),
-        sa.Column("confidence", sa.Float(), nullable=False),
-        sa.Column("evidence_ids_json", sa.Text(), nullable=False),
-        sa.Column("status", sa.String(length=40), nullable=False),
-        sa.Column("reason", sa.Text(), nullable=True),
-        sa.Column("reviewed_at", sa.DateTime(timezone=True), nullable=True),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
-        sa.ForeignKeyConstraint(
-            ["character_id"],
-            ["characters.id"],
-        ),
-        sa.ForeignKeyConstraint(
-            ["import_job_id"],
-            ["character_import_jobs.id"],
-        ),
-        sa.PrimaryKeyConstraint("id"),
-    )
-    op.create_index(
-        op.f("ix_character_profile_candidates_character_id"),
-        "character_profile_candidates",
-        ["character_id"],
-        unique=False,
-    )
-    op.create_index(
-        op.f("ix_character_profile_candidates_import_job_id"),
-        "character_profile_candidates",
-        ["import_job_id"],
-        unique=False,
-    )
-    op.create_index(
-        op.f("ix_character_profile_candidates_status"),
-        "character_profile_candidates",
-        ["status"],
-        unique=False,
-    )
-    # 大周天内驱力·好奇问题
-    op.create_table(
-        "curiosity_questions",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("character_id", sa.String(length=80), nullable=False),
-        sa.Column("cycle_id", sa.String(length=80), nullable=False),
-        sa.Column("question", sa.Text(), nullable=False),
-        sa.Column("source", sa.String(length=60), nullable=False),
-        sa.Column("related_entities_json", sa.Text(), nullable=False),
-        sa.Column("expected_value", sa.Float(), nullable=False),
-        sa.Column("urgency", sa.Float(), nullable=False),
-        sa.Column("risk_level", sa.String(length=8), nullable=False),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.ForeignKeyConstraint(
-            ["character_id"],
-            ["characters.id"],
-        ),
-        sa.ForeignKeyConstraint(
-            ["cycle_id"],
-            ["big_cycles.id"],
-        ),
-        sa.PrimaryKeyConstraint("id"),
-    )
-    op.create_index(
-        op.f("ix_curiosity_questions_character_id"),
-        "curiosity_questions",
-        ["character_id"],
-        unique=False,
-    )
-    op.create_index(
-        op.f("ix_curiosity_questions_cycle_id"), "curiosity_questions", ["cycle_id"], unique=False
-    )
-    # 演化候选
-    op.create_table(
-        "evolution_candidates",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("character_id", sa.String(length=80), nullable=False),
-        sa.Column("cycle_id", sa.String(length=80), nullable=False),
-        sa.Column("type", sa.String(length=60), nullable=False),
-        sa.Column("source", sa.String(length=60), nullable=False),
-        sa.Column("level", sa.String(length=8), nullable=False),
-        sa.Column("scope", sa.String(length=40), nullable=False),
-        sa.Column("title", sa.String(length=200), nullable=False),
-        sa.Column("proposal", sa.Text(), nullable=False),
-        sa.Column("delta_json", sa.Text(), nullable=False),
-        sa.Column("evidence_ids_json", sa.Text(), nullable=False),
-        sa.Column("confidence", sa.Float(), nullable=False),
-        sa.Column("benefit_score", sa.Float(), nullable=False),
-        sa.Column("risk_score", sa.Float(), nullable=False),
-        sa.Column("drift_score", sa.Float(), nullable=False),
-        sa.Column("auto_apply_allowed", sa.Boolean(), nullable=False),
-        sa.Column("status", sa.String(length=40), nullable=False),
-        sa.Column("resulting_target_id", sa.String(length=80), nullable=True),
-        sa.Column("error_message", sa.Text(), nullable=True),
-        sa.Column("reviewed_at", sa.DateTime(timezone=True), nullable=True),
-        sa.Column("reviewed_by", sa.String(length=80), nullable=False),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
-        sa.ForeignKeyConstraint(
-            ["character_id"],
-            ["characters.id"],
-        ),
-        sa.ForeignKeyConstraint(
-            ["cycle_id"],
-            ["big_cycles.id"],
-        ),
-        sa.PrimaryKeyConstraint("id"),
-    )
-    op.create_index(
-        op.f("ix_evolution_candidates_character_id"),
-        "evolution_candidates",
-        ["character_id"],
-        unique=False,
-    )
-    op.create_index(
-        op.f("ix_evolution_candidates_cycle_id"), "evolution_candidates", ["cycle_id"], unique=False
-    )
-    op.create_index(
-        op.f("ix_evolution_candidates_status"), "evolution_candidates", ["status"], unique=False
-    )
-    # 资料导入条目
-    op.create_table(
-        "import_items",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("import_job_id", sa.String(length=80), nullable=False),
-        sa.Column("character_id", sa.String(length=80), nullable=False),
-        sa.Column("item_type", sa.String(length=40), nullable=False),
-        sa.Column("role", sa.String(length=40), nullable=False),
-        sa.Column("sequence", sa.Integer(), nullable=False),
-        sa.Column("content", sa.Text(), nullable=False),
-        sa.Column("metadata_json", sa.Text(), nullable=False),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.ForeignKeyConstraint(
-            ["character_id"],
-            ["characters.id"],
-        ),
-        sa.ForeignKeyConstraint(
-            ["import_job_id"],
-            ["character_import_jobs.id"],
-        ),
-        sa.PrimaryKeyConstraint("id"),
-    )
-    op.create_index(
-        op.f("ix_import_items_character_id"), "import_items", ["character_id"], unique=False
-    )
-    op.create_index(
-        op.f("ix_import_items_import_job_id"), "import_items", ["import_job_id"], unique=False
-    )
-    # 记忆候选
-    op.create_table(
-        "memory_candidates",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("character_id", sa.String(length=80), nullable=False),
-        sa.Column("import_job_id", sa.String(length=80), nullable=True),
-        sa.Column("cycle_id", sa.String(length=80), nullable=True),
-        sa.Column("type", sa.String(length=60), nullable=False),
-        sa.Column("title", sa.String(length=200), nullable=False),
-        sa.Column("content", sa.Text(), nullable=False),
-        sa.Column("confidence", sa.Float(), nullable=False),
-        sa.Column("importance", sa.Float(), nullable=False),
-        sa.Column("sensitivity", sa.String(length=40), nullable=False),
-        sa.Column("evidence_ids_json", sa.Text(), nullable=False),
-        sa.Column("status", sa.String(length=40), nullable=False),
-        sa.Column("reason", sa.Text(), nullable=True),
-        sa.Column("reviewed_at", sa.DateTime(timezone=True), nullable=True),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
-        sa.ForeignKeyConstraint(
-            ["character_id"],
-            ["characters.id"],
-        ),
-        sa.ForeignKeyConstraint(
-            ["cycle_id"],
-            ["big_cycles.id"],
-        ),
-        sa.ForeignKeyConstraint(
-            ["import_job_id"],
-            ["character_import_jobs.id"],
-        ),
-        sa.PrimaryKeyConstraint("id"),
-    )
-    op.create_index(
-        op.f("ix_memory_candidates_character_id"),
-        "memory_candidates",
-        ["character_id"],
-        unique=False,
-    )
-    op.create_index(
-        op.f("ix_memory_candidates_cycle_id"), "memory_candidates", ["cycle_id"], unique=False
-    )
-    op.create_index(
-        op.f("ix_memory_candidates_import_job_id"),
-        "memory_candidates",
-        ["import_job_id"],
-        unique=False,
-    )
-    op.create_index(
-        op.f("ix_memory_candidates_status"), "memory_candidates", ["status"], unique=False
-    )
-    # 记忆关联
-    op.create_table(
-        "memory_links",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("character_id", sa.String(length=80), nullable=False),
-        sa.Column("source_memory_id", sa.String(length=80), nullable=False),
-        sa.Column("target_memory_id", sa.String(length=80), nullable=False),
-        sa.Column("relation", sa.String(length=80), nullable=False),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.ForeignKeyConstraint(
-            ["character_id"],
-            ["characters.id"],
-        ),
-        sa.ForeignKeyConstraint(
-            ["source_memory_id"],
-            ["memories.id"],
-        ),
-        sa.ForeignKeyConstraint(
-            ["target_memory_id"],
-            ["memories.id"],
-        ),
-        sa.PrimaryKeyConstraint("id"),
-    )
-    op.create_index(
-        op.f("ix_memory_links_character_id"), "memory_links", ["character_id"], unique=False
-    )
-    op.create_index(
-        op.f("ix_memory_links_source_memory_id"), "memory_links", ["source_memory_id"], unique=False
-    )
-    op.create_index(
-        op.f("ix_memory_links_target_memory_id"), "memory_links", ["target_memory_id"], unique=False
-    )
-    # 人格建议
-    op.create_table(
-        "personality_proposals",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("character_id", sa.String(length=80), nullable=False),
-        sa.Column("fields_json", sa.Text(), nullable=False),
-        sa.Column("reason", sa.Text(), nullable=False),
-        sa.Column("status", sa.String(length=40), nullable=False),
-        sa.Column("resulting_version_id", sa.String(length=80), nullable=True),
-        sa.Column("reviewed_at", sa.DateTime(timezone=True), nullable=True),
-        sa.Column("reviewed_by", sa.String(length=80), nullable=False),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.ForeignKeyConstraint(
-            ["character_id"],
-            ["characters.id"],
-        ),
-        sa.ForeignKeyConstraint(
-            ["resulting_version_id"],
-            ["personality_versions.id"],
-        ),
-        sa.PrimaryKeyConstraint("id"),
-    )
-    op.create_index(
-        op.f("ix_personality_proposals_character_id"),
-        "personality_proposals",
-        ["character_id"],
-        unique=False,
-    )
-    op.create_index(
-        op.f("ix_personality_proposals_status"), "personality_proposals", ["status"], unique=False
-    )
-    # 洛书计划
-    op.create_table(
-        "plans",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("goal_id", sa.String(length=80), nullable=True),
-        sa.Column("title", sa.String(length=300), nullable=False),
-        sa.Column("status", sa.String(length=40), nullable=False),
-        sa.Column("assumptions_json", sa.Text(), nullable=False),
-        sa.Column("risks_json", sa.Text(), nullable=False),
-        sa.Column("required_tools_json", sa.Text(), nullable=False),
-        sa.Column("success_criteria_json", sa.Text(), nullable=False),
-        sa.Column("step_count", sa.Integer(), nullable=False),
-        sa.Column("completed_steps", sa.Integer(), nullable=False),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
-        sa.ForeignKeyConstraint(
-            ["goal_id"],
-            ["goals.id"],
-        ),
-        sa.PrimaryKeyConstraint("id"),
-    )
-    op.create_index(op.f("ix_plans_goal_id"), "plans", ["goal_id"], unique=False)
-    op.create_index(op.f("ix_plans_status"), "plans", ["status"], unique=False)
-    # 运行记录
-    op.create_table(
-        "runs",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("character_id", sa.String(length=80), nullable=False),
-        sa.Column("session_id", sa.String(length=80), nullable=True),
-        sa.Column("status", sa.String(length=40), nullable=False),
-        sa.Column("goal", sa.String(length=300), nullable=True),
-        sa.Column("origin", sa.String(length=40), nullable=False),
-        sa.Column("model_hint", sa.String(length=120), nullable=True),
-        sa.Column("started_at", sa.DateTime(timezone=True), nullable=True),
-        sa.Column("completed_at", sa.DateTime(timezone=True), nullable=True),
-        sa.Column("error_code", sa.String(length=80), nullable=True),
-        sa.Column("error_message", sa.Text(), nullable=True),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
-        sa.ForeignKeyConstraint(
-            ["character_id"],
-            ["characters.id"],
-        ),
-        sa.ForeignKeyConstraint(
-            ["session_id"],
-            ["chat_sessions.id"],
-        ),
-        sa.PrimaryKeyConstraint("id"),
-    )
-    op.create_index(op.f("ix_runs_character_id"), "runs", ["character_id"], unique=False)
-    op.create_index(op.f("ix_runs_session_id"), "runs", ["session_id"], unique=False)
-    op.create_index(op.f("ix_runs_status"), "runs", ["status"], unique=False)
-    # 世界关系
-    op.create_table(
-        "world_relations",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("character_id", sa.String(length=80), nullable=False),
-        sa.Column("subject_id", sa.String(length=80), nullable=False),
-        sa.Column("predicate", sa.String(length=120), nullable=False),
-        sa.Column("object_id", sa.String(length=80), nullable=False),
-        sa.Column("confidence", sa.Float(), nullable=False),
-        sa.Column("evidence_ids_json", sa.Text(), nullable=False),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
-        sa.ForeignKeyConstraint(
-            ["character_id"],
-            ["characters.id"],
-        ),
-        sa.ForeignKeyConstraint(
-            ["object_id"],
-            ["character_world_entities.id"],
-        ),
-        sa.ForeignKeyConstraint(
-            ["subject_id"],
-            ["character_world_entities.id"],
-        ),
-        sa.PrimaryKeyConstraint("id"),
-    )
-    op.create_index(
-        op.f("ix_world_relations_character_id"), "world_relations", ["character_id"], unique=False
-    )
-    op.create_index(
-        op.f("ix_world_relations_object_id"), "world_relations", ["object_id"], unique=False
-    )
-    op.create_index(
-        op.f("ix_world_relations_subject_id"), "world_relations", ["subject_id"], unique=False
-    )
-    # 起居注审计事件
-    op.create_table(
-        "audit_events",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("pivot", sa.String(length=40), nullable=True),
-        sa.Column("character_id", sa.String(length=80), nullable=True),
-        sa.Column("run_id", sa.String(length=80), nullable=True),
-        sa.Column("action", sa.String(length=120), nullable=False),
-        sa.Column("actor", sa.String(length=80), nullable=False),
-        sa.Column("risk_level", sa.String(length=20), nullable=False),
-        sa.Column("decision", sa.String(length=40), nullable=False),
-        sa.Column("reason", sa.Text(), nullable=True),
-        sa.Column("input_summary", sa.Text(), nullable=True),
-        sa.Column("output_summary", sa.Text(), nullable=True),
-        sa.Column("trace_id", sa.String(length=80), nullable=True),
-        sa.Column("resource_type", sa.String(length=80), nullable=True),
-        sa.Column("resource_id", sa.String(length=120), nullable=True),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.ForeignKeyConstraint(
-            ["character_id"],
-            ["characters.id"],
-        ),
-        sa.ForeignKeyConstraint(
-            ["run_id"],
-            ["runs.id"],
-        ),
-        sa.PrimaryKeyConstraint("id"),
-    )
-    op.create_index(
-        op.f("ix_audit_events_character_id"), "audit_events", ["character_id"], unique=False
-    )
-    op.create_index(op.f("ix_audit_events_pivot"), "audit_events", ["pivot"], unique=False)
-    op.create_index(op.f("ix_audit_events_run_id"), "audit_events", ["run_id"], unique=False)
-    op.create_index(op.f("ix_audit_events_trace_id"), "audit_events", ["trace_id"], unique=False)
-    # 对话消息
-    op.create_table(
-        "chat_messages",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("character_id", sa.String(length=80), nullable=False),
-        sa.Column("session_id", sa.String(length=80), nullable=False),
-        sa.Column("role", sa.String(length=40), nullable=False),
-        sa.Column("content", sa.Text(), nullable=False),
-        sa.Column("modality", sa.String(length=40), nullable=False),
-        sa.Column("run_id", sa.String(length=80), nullable=True),
-        sa.Column("metadata_json", sa.Text(), nullable=False),
-        sa.Column("sensitivity", sa.String(length=40), nullable=False),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("deleted_at", sa.DateTime(timezone=True), nullable=True),
-        sa.ForeignKeyConstraint(
-            ["character_id"],
-            ["characters.id"],
-        ),
-        sa.ForeignKeyConstraint(
-            ["run_id"],
-            ["runs.id"],
-        ),
-        sa.ForeignKeyConstraint(
-            ["session_id"],
-            ["chat_sessions.id"],
-        ),
-        sa.PrimaryKeyConstraint("id"),
-    )
-    op.create_index(
-        op.f("ix_chat_messages_character_id"), "chat_messages", ["character_id"], unique=False
-    )
-    op.create_index(op.f("ix_chat_messages_run_id"), "chat_messages", ["run_id"], unique=False)
-    op.create_index(
-        op.f("ix_chat_messages_session_id"), "chat_messages", ["session_id"], unique=False
-    )
-    # 一炁事件
-    op.create_table(
-        "events",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("character_id", sa.String(length=80), nullable=True),
-        sa.Column("run_id", sa.String(length=80), nullable=True),
-        sa.Column("type", sa.String(length=80), nullable=False),
-        sa.Column("source", sa.String(length=40), nullable=False),
-        sa.Column("payload_json", sa.Text(), nullable=False),
-        sa.Column("visibility", sa.String(length=40), nullable=False),
-        sa.Column("sensitivity", sa.String(length=40), nullable=False),
-        sa.Column("trace_id", sa.String(length=80), nullable=True),
-        sa.Column("parent_id", sa.String(length=80), nullable=True),
-        sa.Column("sequence", sa.Integer(), nullable=False),
-        sa.Column("evidence_ids_json", sa.Text(), nullable=False),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.ForeignKeyConstraint(
-            ["character_id"],
-            ["characters.id"],
-        ),
-        sa.ForeignKeyConstraint(
-            ["run_id"],
-            ["runs.id"],
-        ),
-        sa.PrimaryKeyConstraint("id"),
-        sa.UniqueConstraint("run_id", "sequence", name="uq_events_run_sequence"),
-    )
-    op.create_index(op.f("ix_events_character_id"), "events", ["character_id"], unique=False)
-    op.create_index(op.f("ix_events_run_id"), "events", ["run_id"], unique=False)
-    op.create_index(op.f("ix_events_trace_id"), "events", ["trace_id"], unique=False)
-    op.create_index(op.f("ix_events_type"), "events", ["type"], unique=False)
-    # 探索性次生目标
-    op.create_table(
-        "exploratory_subgoals",
-        sa.Column("id", sa.String(length=80), nullable=False),
-        sa.Column("character_id", sa.String(length=80), nullable=False),
-        sa.Column("cycle_id", sa.String(length=80), nullable=False),
-        sa.Column("parent_goal_id", sa.String(length=80), nullable=True),
-        sa.Column("curiosity_question_id", sa.String(length=80), nullable=False),
-        sa.Column("title", sa.String(length=200), nullable=False),
-        sa.Column("description", sa.Text(), nullable=False),
-        sa.Column("expected_information_gain", sa.Float(), nullable=False),
-        sa.Column("interruption_cost", sa.Float(), nullable=False),
-        sa.Column("risk_level", sa.String(length=8), nullable=False),
-        sa.Column("status", sa.String(length=40), nullable=False),
-        sa.Column("reviewed_at", sa.DateTime(timezone=True), nullable=True),
-        sa.Column("reviewed_by", sa.String(length=80), nullable=False),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.ForeignKeyConstraint(
-            ["character_id"],
-            ["characters.id"],
-        ),
-        sa.ForeignKeyConstraint(
-            ["curiosity_question_id"],
-            ["curiosity_questions.id"],
-        ),
-        sa.ForeignKeyConstraint(
-            ["cycle_id"],
-            ["big_cycles.id"],
-        ),
-        sa.PrimaryKeyConstraint("id"),
-    )
-    op.create_index(
-        op.f("ix_exploratory_subgoals_character_id"),
-        "exploratory_subgoals",
-        ["character_id"],
-        unique=False,
-    )
-    op.create_index(
-        op.f("ix_exploratory_subgoals_curiosity_question_id"),
-        "exploratory_subgoals",
-        ["curiosity_question_id"],
-        unique=False,
-    )
-    op.create_index(
-        op.f("ix_exploratory_subgoals_cycle_id"), "exploratory_subgoals", ["cycle_id"], unique=False
-    )
-    op.create_index(
-        op.f("ix_exploratory_subgoals_status"), "exploratory_subgoals", ["status"], unique=False
-    )
-    # RBAC 角色
-    op.create_table(
-        "roles",
-        sa.Column("id", sa.String(40), nullable=False),
-        sa.Column("name", sa.String(80), nullable=False),
-        sa.Column("description", sa.Text(), nullable=False, server_default=""),
-        sa.Column("is_system", sa.Boolean(), nullable=False, server_default=sa.text("false")),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
-        sa.PrimaryKeyConstraint("id"),
-    )
-    op.create_index("ix_roles_name", "roles", ["name"], unique=True)
-
-    # RBAC 权限
-    op.create_table(
-        "permissions",
-        sa.Column("id", sa.String(40), nullable=False),
-        sa.Column("resource", sa.String(80), nullable=False),
-        sa.Column("action", sa.String(80), nullable=False),
-        sa.Column("description", sa.Text(), nullable=False, server_default=""),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.PrimaryKeyConstraint("id"),
-    )
-    op.create_index("ix_permissions_resource", "permissions", ["resource"])
-
-    # RBAC 用户-角色关联
-    op.create_table(
-        "user_roles",
-        sa.Column("user_id", sa.String(40), nullable=False),
-        sa.Column("role_id", sa.String(40), nullable=False),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.PrimaryKeyConstraint("user_id", "role_id"),
-        sa.ForeignKeyConstraint(["user_id"], ["users.id"], ondelete="CASCADE"),
-        sa.ForeignKeyConstraint(["role_id"], ["roles.id"], ondelete="CASCADE"),
-    )
-
-    # RBAC 角色-权限关联
-    op.create_table(
-        "role_permissions",
-        sa.Column("role_id", sa.String(40), nullable=False),
-        sa.Column("permission_id", sa.String(40), nullable=False),
-        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
-        sa.PrimaryKeyConstraint("role_id", "permission_id"),
-        sa.ForeignKeyConstraint(["role_id"], ["roles.id"], ondelete="CASCADE"),
-        sa.ForeignKeyConstraint(["permission_id"], ["permissions.id"], ondelete="CASCADE"),
-    )
-    # 消息版本历史
-    op.add_column(
-        "chat_messages",
-        sa.Column(
-            "versions_json",
-            sa.Text,
-            nullable=False,
-            server_default="[]",
-            comment="版本历史 JSON 数组：[{content, created_at}]，按生成顺序排列，末尾最新",
-        ),
-    )
-    op.add_column(
-        "chat_messages",
-        sa.Column(
-            "active_version_idx",
-            sa.Integer,
-            nullable=False,
-            server_default=sa.text("0"),
-            comment="当前活跃版本在 versions_json 中的索引（0-based）",
-        ),
-    )
-    # ### end Alembic commands ###
-
-
-def downgrade() -> None:
-    """Downgrade schema."""
-    op.drop_column("chat_messages", "active_version_idx")
-    op.drop_column("chat_messages", "versions_json")
-    op.drop_table("role_permissions")
-    op.drop_table("user_roles")
-    op.drop_index("ix_permissions_resource", table_name="permissions")
-    op.drop_table("permissions")
-    op.drop_index("ix_roles_name", table_name="roles")
-    op.drop_table("roles")
-    op.drop_index(op.f("ix_exploratory_subgoals_status"), table_name="exploratory_subgoals")
-    op.drop_index(op.f("ix_exploratory_subgoals_cycle_id"), table_name="exploratory_subgoals")
-    op.drop_index(
-        op.f("ix_exploratory_subgoals_curiosity_question_id"), table_name="exploratory_subgoals"
-    )
-    op.drop_index(op.f("ix_exploratory_subgoals_character_id"), table_name="exploratory_subgoals")
-    op.drop_table("exploratory_subgoals")
-    op.drop_index(op.f("ix_events_type"), table_name="events")
-    op.drop_index(op.f("ix_events_trace_id"), table_name="events")
-    op.drop_index(op.f("ix_events_run_id"), table_name="events")
-    op.drop_index(op.f("ix_events_character_id"), table_name="events")
-    op.drop_table("events")
-    op.drop_index(op.f("ix_chat_messages_session_id"), table_name="chat_messages")
-    op.drop_index(op.f("ix_chat_messages_run_id"), table_name="chat_messages")
-    op.drop_index(op.f("ix_chat_messages_character_id"), table_name="chat_messages")
-    op.drop_table("chat_messages")
-    op.drop_index(op.f("ix_audit_events_trace_id"), table_name="audit_events")
-    op.drop_index(op.f("ix_audit_events_run_id"), table_name="audit_events")
-    op.drop_index(op.f("ix_audit_events_pivot"), table_name="audit_events")
-    op.drop_index(op.f("ix_audit_events_character_id"), table_name="audit_events")
-    op.drop_table("audit_events")
-    op.drop_index(op.f("ix_world_relations_subject_id"), table_name="world_relations")
-    op.drop_index(op.f("ix_world_relations_object_id"), table_name="world_relations")
-    op.drop_index(op.f("ix_world_relations_character_id"), table_name="world_relations")
-    op.drop_table("world_relations")
-    op.drop_index(op.f("ix_runs_status"), table_name="runs")
-    op.drop_index(op.f("ix_runs_session_id"), table_name="runs")
-    op.drop_index(op.f("ix_runs_character_id"), table_name="runs")
-    op.drop_table("runs")
-    op.drop_index(op.f("ix_plans_status"), table_name="plans")
-    op.drop_index(op.f("ix_plans_goal_id"), table_name="plans")
-    op.drop_table("plans")
-    op.drop_index(op.f("ix_personality_proposals_status"), table_name="personality_proposals")
-    op.drop_index(op.f("ix_personality_proposals_character_id"), table_name="personality_proposals")
-    op.drop_table("personality_proposals")
-    op.drop_index(op.f("ix_memory_links_target_memory_id"), table_name="memory_links")
-    op.drop_index(op.f("ix_memory_links_source_memory_id"), table_name="memory_links")
-    op.drop_index(op.f("ix_memory_links_character_id"), table_name="memory_links")
-    op.drop_table("memory_links")
-    op.drop_index(op.f("ix_memory_candidates_status"), table_name="memory_candidates")
-    op.drop_index(op.f("ix_memory_candidates_import_job_id"), table_name="memory_candidates")
-    op.drop_index(op.f("ix_memory_candidates_cycle_id"), table_name="memory_candidates")
-    op.drop_index(op.f("ix_memory_candidates_character_id"), table_name="memory_candidates")
-    op.drop_table("memory_candidates")
-    op.drop_index(op.f("ix_import_items_import_job_id"), table_name="import_items")
-    op.drop_index(op.f("ix_import_items_character_id"), table_name="import_items")
-    op.drop_table("import_items")
-    op.drop_index(op.f("ix_evolution_candidates_status"), table_name="evolution_candidates")
-    op.drop_index(op.f("ix_evolution_candidates_cycle_id"), table_name="evolution_candidates")
-    op.drop_index(op.f("ix_evolution_candidates_character_id"), table_name="evolution_candidates")
-    op.drop_table("evolution_candidates")
-    op.drop_index(op.f("ix_curiosity_questions_cycle_id"), table_name="curiosity_questions")
-    op.drop_index(op.f("ix_curiosity_questions_character_id"), table_name="curiosity_questions")
-    op.drop_table("curiosity_questions")
-    op.drop_index(
-        op.f("ix_character_profile_candidates_status"), table_name="character_profile_candidates"
-    )
-    op.drop_index(
-        op.f("ix_character_profile_candidates_import_job_id"),
-        table_name="character_profile_candidates",
-    )
-    op.drop_index(
-        op.f("ix_character_profile_candidates_character_id"),
-        table_name="character_profile_candidates",
-    )
-    op.drop_table("character_profile_candidates")
-    op.drop_index(op.f("ix_time_anniversaries_character_id"), table_name="time_anniversaries")
-    op.drop_table("time_anniversaries")
-    op.drop_index(op.f("ix_personality_versions_character_id"), table_name="personality_versions")
-    op.drop_table("personality_versions")
-    op.drop_index(op.f("ix_memories_status"), table_name="memories")
-    op.drop_index(op.f("ix_memories_character_id"), table_name="memories")
-    op.drop_table("memories")
-    op.drop_index(op.f("ix_goals_status"), table_name="goals")
-    op.drop_index(op.f("ix_goals_level"), table_name="goals")
-    op.drop_index(op.f("ix_goals_character_id"), table_name="goals")
-    op.drop_table("goals")
-    op.drop_index(op.f("ix_chat_sessions_status"), table_name="chat_sessions")
-    op.drop_index(op.f("ix_chat_sessions_character_id"), table_name="chat_sessions")
-    op.drop_table("chat_sessions")
-    op.drop_index(op.f("ix_character_world_entities_type"), table_name="character_world_entities")
-    op.drop_index(op.f("ix_character_world_entities_status"), table_name="character_world_entities")
-    op.drop_index(
-        op.f("ix_character_world_entities_character_id"), table_name="character_world_entities"
-    )
-    op.drop_table("character_world_entities")
-    op.drop_index(op.f("ix_character_import_jobs_status"), table_name="character_import_jobs")
-    op.drop_index(
-        op.f("ix_character_import_jobs_material_type"), table_name="character_import_jobs"
-    )
-    op.drop_index(op.f("ix_character_import_jobs_checksum"), table_name="character_import_jobs")
-    op.drop_index(op.f("ix_character_import_jobs_character_id"), table_name="character_import_jobs")
-    op.drop_table("character_import_jobs")
-    op.drop_table("character_emotion_states")
-    op.drop_index(op.f("ix_big_cycles_status"), table_name="big_cycles")
-    op.drop_index(op.f("ix_big_cycles_completed_at"), table_name="big_cycles")
-    op.drop_index(op.f("ix_big_cycles_character_id"), table_name="big_cycles")
-    op.drop_table("big_cycles")
-    op.drop_index(op.f("ix_world_entities_type"), table_name="world_entities")
-    op.drop_table("world_entities")
-    op.drop_index(op.f("ix_users_username"), table_name="users")
-    op.drop_table("users")
-    op.drop_table("tool_policies")
-    op.drop_index(op.f("ix_skills_status"), table_name="skills")
-    op.drop_table("skills")
-    op.drop_table("perception_channels")
-    op.drop_index(op.f("ix_pending_confirmations_status"), table_name="pending_confirmations")
-    op.drop_index(op.f("ix_pending_confirmations_run_id"), table_name="pending_confirmations")
-    op.drop_index(op.f("ix_pending_confirmations_character_id"), table_name="pending_confirmations")
-    op.drop_table("pending_confirmations")
-    op.drop_table("model_endpoint_overrides")
-    op.drop_index(op.f("ix_mcp_servers_status"), table_name="mcp_servers")
-    op.drop_table("mcp_servers")
-    op.drop_index(op.f("ix_idempotency_keys_trace_id"), table_name="idempotency_keys")
-    op.drop_index(op.f("ix_idempotency_keys_scope"), table_name="idempotency_keys")
-    op.drop_index(op.f("ix_idempotency_keys_key"), table_name="idempotency_keys")
-    op.drop_index(op.f("ix_idempotency_keys_expires_at"), table_name="idempotency_keys")
-    op.drop_table("idempotency_keys")
-    op.drop_table("generation_preferences")
-    op.drop_index(op.f("ix_characters_template_key"), table_name="characters")
-    op.drop_index(op.f("ix_characters_status"), table_name="characters")
-    op.drop_index(op.f("ix_characters_source_template_id"), table_name="characters")
-    op.drop_index(op.f("ix_characters_owner_scope"), table_name="characters")
-    op.drop_index(op.f("ix_characters_is_system_template"), table_name="characters")
-    op.drop_table("characters")
-    op.drop_table("agent_roster")
-    # ### end Alembic commands ###
diff --git a/backend/alembic/versions/002_add_chat_session_owner_scope.py b/backend/alembic/versions/002_add_chat_session_owner_scope.py
deleted file mode 100644
index b9ac7df..0000000
--- a/backend/alembic/versions/002_add_chat_session_owner_scope.py
+++ /dev/null
@@ -1,56 +0,0 @@
-"""add_chat_session_owner_scope
-
-Revision ID: 002
-Revises: 001
-Create Date: 2026-07-14 07:54:32.969191
-
-"""
-from collections.abc import Sequence
-
-import sqlalchemy as sa
-
-from alembic import op
-
-# revision identifiers, used by Alembic.
-revision: str = '002'
-down_revision: str | Sequence[str] | None = '001'
-branch_labels: str | Sequence[str] | None = None
-depends_on: str | Sequence[str] | None = None
-
-
-def upgrade() -> None:
-    conn = op.get_bind()
-    is_sqlite = conn.engine.dialect.name == "sqlite"
-
-    if is_sqlite:
-        # SQLite：用 batch 模式加列（新增 NOT NULL 列需 batch recreating）
-        with op.batch_alter_table("chat_sessions") as batch_op:
-            batch_op.add_column(
-                sa.Column("owner_scope", sa.String(length=80), nullable=False, server_default=""),
-            )
-            batch_op.create_index("ix_chat_sessions_owner_scope", ["owner_scope"])
-        # 移除 server_default（仅 DDL 阶段需要）
-        with op.batch_alter_table("chat_sessions") as batch_op:
-            batch_op.alter_column("owner_scope", server_default=None)
-    else:
-        op.add_column(
-            "chat_sessions",
-            sa.Column("owner_scope", sa.String(length=80), nullable=False, server_default=""),
-        )
-        op.create_index(
-            op.f("ix_chat_sessions_owner_scope"), "chat_sessions", ["owner_scope"], unique=False
-        )
-        op.alter_column("chat_sessions", "owner_scope", server_default=None)
-
-
-def downgrade() -> None:
-    conn = op.get_bind()
-    is_sqlite = conn.engine.dialect.name == "sqlite"
-
-    if is_sqlite:
-        with op.batch_alter_table("chat_sessions") as batch_op:
-            batch_op.drop_index("ix_chat_sessions_owner_scope")
-            batch_op.drop_column("owner_scope")
-    else:
-        op.drop_index(op.f("ix_chat_sessions_owner_scope"), table_name="chat_sessions")
-        op.drop_column("chat_sessions", "owner_scope")
diff --git a/backend/alembic/versions/003_add_daoti_soul_fields_to_character.py b/backend/alembic/versions/003_add_daoti_soul_fields_to_character.py
deleted file mode 100644
index b708c7e..0000000
--- a/backend/alembic/versions/003_add_daoti_soul_fields_to_character.py
+++ /dev/null
@@ -1,36 +0,0 @@
-"""add daoti soul fields to character
-
-Revision ID: 003
-Revises: 002
-Create Date: 2026-07-24 10:47:40.993422
-
-"""
-from collections.abc import Sequence
-
-import sqlalchemy as sa
-
-from alembic import op
-
-# revision identifiers, used by Alembic.
-revision: str = '003'
-down_revision: str | Sequence[str] | None = '002'
-branch_labels: str | Sequence[str] | None = None
-depends_on: str | Sequence[str] | None = None
-
-
-def upgrade() -> None:
-    """Upgrade schema."""
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.add_column('characters', sa.Column('personality_summary', sa.Text(), nullable=True))
-    op.add_column('characters', sa.Column('mission', sa.Text(), nullable=True))
-    op.add_column('characters', sa.Column('safety_guidelines', sa.Text(), nullable=True))
-    # ### end Alembic commands ###
-
-
-def downgrade() -> None:
-    """Downgrade schema."""
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_column('characters', 'safety_guidelines')
-    op.drop_column('characters', 'mission')
-    op.drop_column('characters', 'personality_summary')
-    # ### end Alembic commands ###
diff --git a/backend/alembic/versions/004_add_lorebook_tables.py b/backend/alembic/versions/004_add_lorebook_tables.py
deleted file mode 100644
index cd346ba..0000000
--- a/backend/alembic/versions/004_add_lorebook_tables.py
+++ /dev/null
@@ -1,81 +0,0 @@
-"""add lorebook tables
-
-Revision ID: 004
-Revises: 003
-Create Date: 2026-07-24 12:20:38.453954
-
-"""
-from collections.abc import Sequence
-
-import sqlalchemy as sa
-
-from alembic import op
-
-# revision identifiers, used by Alembic.
-revision: str = '004'
-down_revision: str | Sequence[str] | None = '003'
-branch_labels: str | Sequence[str] | None = None
-depends_on: str | Sequence[str] | None = None
-
-
-def upgrade() -> None:
-    """Upgrade schema."""
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.create_table('lorebooks',
-    sa.Column('id', sa.String(length=80), nullable=False),
-    sa.Column('character_id', sa.String(length=80), nullable=True),
-    sa.Column('name', sa.String(length=200), nullable=False),
-    sa.Column('description', sa.Text(), nullable=False),
-    sa.Column('scan_depth', sa.Integer(), nullable=True),
-    sa.Column('token_budget', sa.Integer(), nullable=True),
-    sa.Column('recursive_scanning', sa.Boolean(), nullable=False),
-    sa.Column('scope', sa.String(length=40), nullable=False),
-    sa.Column('status', sa.String(length=40), nullable=False),
-    sa.Column('owner_scope', sa.String(length=80), nullable=False),
-    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
-    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
-    sa.ForeignKeyConstraint(['character_id'], ['characters.id'], ),
-    sa.PrimaryKeyConstraint('id')
-    )
-    op.create_index(op.f('ix_lorebooks_character_id'), 'lorebooks', ['character_id'], unique=False)
-    op.create_index(op.f('ix_lorebooks_owner_scope'), 'lorebooks', ['owner_scope'], unique=False)
-    op.create_index(op.f('ix_lorebooks_scope'), 'lorebooks', ['scope'], unique=False)
-    op.create_index(op.f('ix_lorebooks_status'), 'lorebooks', ['status'], unique=False)
-    op.create_table('lorebook_entries',
-    sa.Column('id', sa.String(length=80), nullable=False),
-    sa.Column('lorebook_id', sa.String(length=80), nullable=False),
-    sa.Column('keys_json', sa.Text(), nullable=False),
-    sa.Column('content', sa.Text(), nullable=False),
-    sa.Column('secondary_keys_json', sa.Text(), nullable=False),
-    sa.Column('constant', sa.Boolean(), nullable=False),
-    sa.Column('selective', sa.Boolean(), nullable=False),
-    sa.Column('enabled', sa.Boolean(), nullable=False),
-    sa.Column('case_sensitive', sa.Boolean(), nullable=False),
-    sa.Column('use_regex', sa.Boolean(), nullable=False),
-    sa.Column('position', sa.String(length=40), nullable=False),
-    sa.Column('insertion_order', sa.Integer(), nullable=False),
-    sa.Column('priority', sa.Integer(), nullable=False),
-    sa.Column('comment', sa.String(length=500), nullable=False),
-    sa.Column('bound_entity_id', sa.String(length=80), nullable=True),
-    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
-    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
-    sa.ForeignKeyConstraint(['lorebook_id'], ['lorebooks.id'], ),
-    sa.PrimaryKeyConstraint('id')
-    )
-    op.create_index(op.f('ix_lorebook_entries_bound_entity_id'), 'lorebook_entries', ['bound_entity_id'], unique=False)
-    op.create_index(op.f('ix_lorebook_entries_lorebook_id'), 'lorebook_entries', ['lorebook_id'], unique=False)
-    # ### end Alembic commands ###
-
-
-def downgrade() -> None:
-    """Downgrade schema."""
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_index(op.f('ix_lorebook_entries_lorebook_id'), table_name='lorebook_entries')
-    op.drop_index(op.f('ix_lorebook_entries_bound_entity_id'), table_name='lorebook_entries')
-    op.drop_table('lorebook_entries')
-    op.drop_index(op.f('ix_lorebooks_status'), table_name='lorebooks')
-    op.drop_index(op.f('ix_lorebooks_scope'), table_name='lorebooks')
-    op.drop_index(op.f('ix_lorebooks_owner_scope'), table_name='lorebooks')
-    op.drop_index(op.f('ix_lorebooks_character_id'), table_name='lorebooks')
-    op.drop_table('lorebooks')
-    # ### end Alembic commands ###
diff --git a/backend/alembic/versions/843abf719fde_rewrite_1_0_基线_合并既有模式为单一起点.py b/backend/alembic/versions/843abf719fde_rewrite_1_0_基线_合并既有模式为单一起点.py
new file mode 100644
index 0000000..01850e5
--- /dev/null
+++ b/backend/alembic/versions/843abf719fde_rewrite_1_0_基线_合并既有模式为单一起点.py
@@ -0,0 +1,889 @@
+"""rewrite-1.0 基线：合并既有模式为单一起点
+
+Revision ID: 843abf719fde
+Revises: 
+Create Date: 2026-08-21 21:57:55.890597
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '843abf719fde'
+down_revision: Union[str, Sequence[str], None] = None
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('agent_roster',
+    sa.Column('role', sa.String(length=80), nullable=False),
+    sa.Column('name', sa.String(length=120), nullable=False),
+    sa.Column('responsibility', sa.Text(), nullable=False),
+    sa.Column('enabled', sa.Boolean(), nullable=False),
+    sa.Column('last_active_at', sa.DateTime(timezone=True), nullable=True),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.PrimaryKeyConstraint('role')
+    )
+    op.create_table('characters',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('name', sa.String(length=120), nullable=False),
+    sa.Column('display_name', sa.String(length=120), nullable=True),
+    sa.Column('status', sa.String(length=40), nullable=False),
+    sa.Column('language', sa.String(length=20), nullable=False),
+    sa.Column('profile_json', sa.Text(), nullable=False),
+    sa.Column('model_policy_json', sa.Text(), nullable=False),
+    sa.Column('safety_policy_id', sa.String(length=80), nullable=True),
+    sa.Column('current_personality_version_id', sa.String(length=80), nullable=True),
+    sa.Column('personality_summary', sa.Text(), nullable=True),
+    sa.Column('mission', sa.Text(), nullable=True),
+    sa.Column('safety_guidelines', sa.Text(), nullable=True),
+    sa.Column('current_mood_id', sa.String(length=80), nullable=True),
+    sa.Column('privacy_level', sa.String(length=40), nullable=False),
+    sa.Column('owner_scope', sa.String(length=80), nullable=False),
+    sa.Column('is_system_template', sa.Boolean(), nullable=False),
+    sa.Column('source_template_id', sa.String(length=80), nullable=True),
+    sa.Column('template_key', sa.String(length=80), nullable=True),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('activated_at', sa.DateTime(timezone=True), nullable=True),
+    sa.Column('archived_at', sa.DateTime(timezone=True), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_characters_is_system_template'), 'characters', ['is_system_template'], unique=False)
+    op.create_index(op.f('ix_characters_owner_scope'), 'characters', ['owner_scope'], unique=False)
+    op.create_index(op.f('ix_characters_source_template_id'), 'characters', ['source_template_id'], unique=False)
+    op.create_index(op.f('ix_characters_status'), 'characters', ['status'], unique=False)
+    op.create_index(op.f('ix_characters_template_key'), 'characters', ['template_key'], unique=False)
+    op.create_table('generation_preferences',
+    sa.Column('owner_scope', sa.String(length=80), nullable=False),
+    sa.Column('default_model_hint', sa.String(length=120), nullable=False),
+    sa.Column('temperature', sa.Float(), nullable=False),
+    sa.Column('top_p', sa.Float(), nullable=False),
+    sa.Column('max_output_tokens', sa.Integer(), nullable=False),
+    sa.Column('streaming', sa.Boolean(), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.PrimaryKeyConstraint('owner_scope')
+    )
+    op.create_table('idempotency_keys',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('key', sa.String(length=200), nullable=False),
+    sa.Column('scope', sa.String(length=120), nullable=False),
+    sa.Column('method', sa.String(length=20), nullable=False),
+    sa.Column('path', sa.String(length=500), nullable=False),
+    sa.Column('request_hash', sa.String(length=128), nullable=False),
+    sa.Column('status', sa.String(length=40), nullable=False),
+    sa.Column('response_status_code', sa.Integer(), nullable=False),
+    sa.Column('response_body_json', sa.Text(), nullable=False),
+    sa.Column('resource_type', sa.String(length=80), nullable=True),
+    sa.Column('resource_id', sa.String(length=120), nullable=True),
+    sa.Column('trace_id', sa.String(length=80), nullable=True),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('expires_at', sa.DateTime(timezone=True), nullable=True),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('scope', 'key', name='uq_idempotency_scope_key')
+    )
+    op.create_index(op.f('ix_idempotency_keys_expires_at'), 'idempotency_keys', ['expires_at'], unique=False)
+    op.create_index(op.f('ix_idempotency_keys_key'), 'idempotency_keys', ['key'], unique=False)
+    op.create_index(op.f('ix_idempotency_keys_scope'), 'idempotency_keys', ['scope'], unique=False)
+    op.create_index(op.f('ix_idempotency_keys_trace_id'), 'idempotency_keys', ['trace_id'], unique=False)
+    op.create_table('mcp_servers',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('name', sa.String(length=120), nullable=False),
+    sa.Column('transport', sa.String(length=40), nullable=False),
+    sa.Column('endpoint_url', sa.String(length=500), nullable=True),
+    sa.Column('auth_token', sa.String(length=500), nullable=True),
+    sa.Column('command', sa.String(length=500), nullable=True),
+    sa.Column('args_json', sa.Text(), nullable=True),
+    sa.Column('env_json', sa.Text(), nullable=True),
+    sa.Column('cwd', sa.String(length=500), nullable=True),
+    sa.Column('status', sa.String(length=40), nullable=False),
+    sa.Column('tools_json', sa.Text(), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('name')
+    )
+    op.create_index(op.f('ix_mcp_servers_status'), 'mcp_servers', ['status'], unique=False)
+    op.create_table('model_endpoint_overrides',
+    sa.Column('logical_model_name', sa.String(length=120), nullable=False),
+    sa.Column('endpoint_name', sa.String(length=120), nullable=False),
+    sa.Column('base_url', sa.String(length=500), nullable=True),
+    sa.Column('api_key', sa.String(length=500), nullable=True),
+    sa.Column('status', sa.String(length=40), nullable=True),
+    sa.Column('weight', sa.Integer(), nullable=True),
+    sa.Column('priority', sa.Integer(), nullable=True),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.PrimaryKeyConstraint('logical_model_name', 'endpoint_name')
+    )
+    op.create_table('pending_confirmations',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('tool', sa.String(length=120), nullable=False),
+    sa.Column('input_json', sa.Text(), nullable=False),
+    sa.Column('risk_level', sa.String(length=40), nullable=False),
+    sa.Column('reason', sa.Text(), nullable=False),
+    sa.Column('run_id', sa.String(length=80), nullable=True),
+    sa.Column('character_id', sa.String(length=80), nullable=True),
+    sa.Column('trace_id', sa.String(length=80), nullable=True),
+    sa.Column('status', sa.String(length=40), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('resolved_at', sa.DateTime(timezone=True), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_pending_confirmations_character_id'), 'pending_confirmations', ['character_id'], unique=False)
+    op.create_index(op.f('ix_pending_confirmations_run_id'), 'pending_confirmations', ['run_id'], unique=False)
+    op.create_index(op.f('ix_pending_confirmations_status'), 'pending_confirmations', ['status'], unique=False)
+    op.create_table('perception_channels',
+    sa.Column('channel', sa.String(length=80), nullable=False),
+    sa.Column('name', sa.String(length=120), nullable=False),
+    sa.Column('description', sa.Text(), nullable=False),
+    sa.Column('enabled', sa.Boolean(), nullable=False),
+    sa.Column('consent_status', sa.String(length=40), nullable=False),
+    sa.Column('privacy_level', sa.String(length=40), nullable=False),
+    sa.Column('risk_level', sa.String(length=20), nullable=False),
+    sa.Column('last_active_at', sa.DateTime(timezone=True), nullable=True),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.PrimaryKeyConstraint('channel')
+    )
+    op.create_table('permissions',
+    sa.Column('id', sa.String(length=40), nullable=False),
+    sa.Column('resource', sa.String(length=80), nullable=False),
+    sa.Column('action', sa.String(length=80), nullable=False),
+    sa.Column('description', sa.Text(), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_permissions_resource'), 'permissions', ['resource'], unique=False)
+    op.create_table('roles',
+    sa.Column('id', sa.String(length=40), nullable=False),
+    sa.Column('name', sa.String(length=80), nullable=False),
+    sa.Column('description', sa.Text(), nullable=False),
+    sa.Column('is_system', sa.Boolean(), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_roles_name'), 'roles', ['name'], unique=True)
+    op.create_table('skills',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('name', sa.String(length=120), nullable=False),
+    sa.Column('description', sa.Text(), nullable=False),
+    sa.Column('trigger', sa.Text(), nullable=False),
+    sa.Column('prompt_fragment', sa.Text(), nullable=False),
+    sa.Column('tool_bindings_json', sa.Text(), nullable=False),
+    sa.Column('risk_level', sa.String(length=8), nullable=False),
+    sa.Column('status', sa.String(length=40), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('name')
+    )
+    op.create_index(op.f('ix_skills_status'), 'skills', ['status'], unique=False)
+    op.create_table('tool_policies',
+    sa.Column('name', sa.String(length=80), nullable=False),
+    sa.Column('description', sa.Text(), nullable=False),
+    sa.Column('risk_level', sa.String(length=20), nullable=False),
+    sa.Column('permission_policy', sa.String(length=20), nullable=False),
+    sa.Column('side_effect', sa.Boolean(), nullable=False),
+    sa.Column('audit_required', sa.Boolean(), nullable=False),
+    sa.Column('source', sa.String(length=20), nullable=False),
+    sa.Column('enabled', sa.Boolean(), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.PrimaryKeyConstraint('name')
+    )
+    op.create_table('users',
+    sa.Column('id', sa.String(length=40), nullable=False),
+    sa.Column('username', sa.String(length=80), nullable=False),
+    sa.Column('email', sa.String(length=255), nullable=False),
+    sa.Column('password_hash', sa.String(length=255), nullable=False),
+    sa.Column('is_active', sa.Boolean(), nullable=False),
+    sa.Column('is_admin', sa.Boolean(), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('email')
+    )
+    op.create_index(op.f('ix_users_username'), 'users', ['username'], unique=True)
+    op.create_table('world_entities',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('type', sa.String(length=40), nullable=False),
+    sa.Column('name', sa.String(length=200), nullable=False),
+    sa.Column('attributes_json', sa.Text(), nullable=False),
+    sa.Column('state_type', sa.String(length=40), nullable=False),
+    sa.Column('confidence', sa.Float(), nullable=False),
+    sa.Column('sources_json', sa.Text(), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_world_entities_type'), 'world_entities', ['type'], unique=False)
+    op.create_table('big_cycles',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('character_id', sa.String(length=80), nullable=False),
+    sa.Column('trigger', sa.String(length=40), nullable=False),
+    sa.Column('status', sa.String(length=40), nullable=False),
+    sa.Column('phase', sa.String(length=40), nullable=True),
+    sa.Column('memory_count_at_trigger', sa.Integer(), nullable=False),
+    sa.Column('evaluation_snapshot_json', sa.Text(), nullable=True),
+    sa.Column('summary', sa.Text(), nullable=True),
+    sa.Column('error_code', sa.String(length=80), nullable=True),
+    sa.Column('error_message', sa.Text(), nullable=True),
+    sa.Column('started_at', sa.DateTime(timezone=True), nullable=True),
+    sa.Column('completed_at', sa.DateTime(timezone=True), nullable=True),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.ForeignKeyConstraint(['character_id'], ['characters.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_big_cycles_character_id'), 'big_cycles', ['character_id'], unique=False)
+    op.create_index(op.f('ix_big_cycles_completed_at'), 'big_cycles', ['completed_at'], unique=False)
+    op.create_index(op.f('ix_big_cycles_status'), 'big_cycles', ['status'], unique=False)
+    op.create_table('character_emotion_states',
+    sa.Column('character_id', sa.String(length=80), nullable=False),
+    sa.Column('mood', sa.String(length=40), nullable=False),
+    sa.Column('intensity', sa.Float(), nullable=False),
+    sa.Column('baseline_mood', sa.String(length=40), nullable=False),
+    sa.Column('baseline_intensity', sa.Float(), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('last_trigger_event_id', sa.String(length=80), nullable=True),
+    sa.ForeignKeyConstraint(['character_id'], ['characters.id'], ),
+    sa.PrimaryKeyConstraint('character_id')
+    )
+    op.create_table('character_import_jobs',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('character_id', sa.String(length=80), nullable=False),
+    sa.Column('material_type', sa.String(length=40), nullable=False),
+    sa.Column('source_type', sa.String(length=40), nullable=False),
+    sa.Column('title', sa.String(length=200), nullable=True),
+    sa.Column('status', sa.String(length=40), nullable=False),
+    sa.Column('format', sa.String(length=40), nullable=False),
+    sa.Column('media_type', sa.String(length=40), nullable=True),
+    sa.Column('mime_type', sa.String(length=80), nullable=True),
+    sa.Column('source_description', sa.Text(), nullable=True),
+    sa.Column('speaker_label', sa.String(length=120), nullable=True),
+    sa.Column('consent_status', sa.String(length=40), nullable=False),
+    sa.Column('usage_scope', sa.String(length=40), nullable=False),
+    sa.Column('checksum', sa.String(length=120), nullable=True),
+    sa.Column('item_count', sa.Integer(), nullable=False),
+    sa.Column('storage_path', sa.String(length=500), nullable=True),
+    sa.Column('raw_content', sa.Text(), nullable=True),
+    sa.Column('error_code', sa.String(length=80), nullable=True),
+    sa.Column('error_message', sa.Text(), nullable=True),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.ForeignKeyConstraint(['character_id'], ['characters.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_character_import_jobs_character_id'), 'character_import_jobs', ['character_id'], unique=False)
+    op.create_index(op.f('ix_character_import_jobs_checksum'), 'character_import_jobs', ['checksum'], unique=False)
+    op.create_index(op.f('ix_character_import_jobs_material_type'), 'character_import_jobs', ['material_type'], unique=False)
+    op.create_index(op.f('ix_character_import_jobs_status'), 'character_import_jobs', ['status'], unique=False)
+    op.create_table('character_world_entities',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('character_id', sa.String(length=80), nullable=False),
+    sa.Column('type', sa.String(length=40), nullable=False),
+    sa.Column('name', sa.String(length=200), nullable=False),
+    sa.Column('attributes_json', sa.Text(), nullable=False),
+    sa.Column('state_type', sa.String(length=40), nullable=False),
+    sa.Column('status', sa.String(length=40), nullable=False),
+    sa.Column('confidence', sa.Float(), nullable=False),
+    sa.Column('evidence_ids_json', sa.Text(), nullable=False),
+    sa.Column('sources_json', sa.Text(), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.ForeignKeyConstraint(['character_id'], ['characters.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_character_world_entities_character_id'), 'character_world_entities', ['character_id'], unique=False)
+    op.create_index(op.f('ix_character_world_entities_status'), 'character_world_entities', ['status'], unique=False)
+    op.create_index(op.f('ix_character_world_entities_type'), 'character_world_entities', ['type'], unique=False)
+    op.create_table('chat_sessions',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('character_id', sa.String(length=80), nullable=False),
+    sa.Column('title', sa.String(length=200), nullable=True),
+    sa.Column('status', sa.String(length=40), nullable=False),
+    sa.Column('owner_scope', sa.String(length=80), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.ForeignKeyConstraint(['character_id'], ['characters.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_chat_sessions_character_id'), 'chat_sessions', ['character_id'], unique=False)
+    op.create_index(op.f('ix_chat_sessions_owner_scope'), 'chat_sessions', ['owner_scope'], unique=False)
+    op.create_index(op.f('ix_chat_sessions_status'), 'chat_sessions', ['status'], unique=False)
+    op.create_table('goals',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('character_id', sa.String(length=80), nullable=True),
+    sa.Column('title', sa.String(length=300), nullable=False),
+    sa.Column('description', sa.Text(), nullable=False),
+    sa.Column('level', sa.String(length=40), nullable=False),
+    sa.Column('type', sa.String(length=40), nullable=False),
+    sa.Column('status', sa.String(length=40), nullable=False),
+    sa.Column('priority', sa.Integer(), nullable=False),
+    sa.Column('progress', sa.Float(), nullable=False),
+    sa.Column('constraints_json', sa.Text(), nullable=False),
+    sa.Column('parent_id', sa.String(length=80), nullable=True),
+    sa.Column('success_criteria_json', sa.Text(), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.ForeignKeyConstraint(['character_id'], ['characters.id'], ),
+    sa.ForeignKeyConstraint(['parent_id'], ['goals.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_goals_character_id'), 'goals', ['character_id'], unique=False)
+    op.create_index(op.f('ix_goals_level'), 'goals', ['level'], unique=False)
+    op.create_index(op.f('ix_goals_status'), 'goals', ['status'], unique=False)
+    op.create_table('lorebooks',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('character_id', sa.String(length=80), nullable=True),
+    sa.Column('name', sa.String(length=200), nullable=False),
+    sa.Column('description', sa.Text(), nullable=False),
+    sa.Column('scan_depth', sa.Integer(), nullable=True),
+    sa.Column('token_budget', sa.Integer(), nullable=True),
+    sa.Column('recursive_scanning', sa.Boolean(), nullable=False),
+    sa.Column('scope', sa.String(length=40), nullable=False),
+    sa.Column('status', sa.String(length=40), nullable=False),
+    sa.Column('owner_scope', sa.String(length=80), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.ForeignKeyConstraint(['character_id'], ['characters.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_lorebooks_character_id'), 'lorebooks', ['character_id'], unique=False)
+    op.create_index(op.f('ix_lorebooks_owner_scope'), 'lorebooks', ['owner_scope'], unique=False)
+    op.create_index(op.f('ix_lorebooks_scope'), 'lorebooks', ['scope'], unique=False)
+    op.create_index(op.f('ix_lorebooks_status'), 'lorebooks', ['status'], unique=False)
+    op.create_table('memories',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('character_id', sa.String(length=80), nullable=False),
+    sa.Column('type', sa.String(length=60), nullable=False),
+    sa.Column('title', sa.String(length=200), nullable=False),
+    sa.Column('content', sa.Text(), nullable=False),
+    sa.Column('source', sa.String(length=80), nullable=False),
+    sa.Column('confidence', sa.Float(), nullable=False),
+    sa.Column('importance', sa.Float(), nullable=False),
+    sa.Column('sensitivity', sa.String(length=40), nullable=False),
+    sa.Column('evidence_ids_json', sa.Text(), nullable=False),
+    sa.Column('status', sa.String(length=40), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('deleted_at', sa.DateTime(timezone=True), nullable=True),
+    sa.Column('expires_at', sa.DateTime(timezone=True), nullable=True),
+    sa.Column('temporal_context_json', sa.Text(), server_default='{}', nullable=False),
+    sa.ForeignKeyConstraint(['character_id'], ['characters.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_memories_character_id'), 'memories', ['character_id'], unique=False)
+    op.create_index(op.f('ix_memories_status'), 'memories', ['status'], unique=False)
+    op.create_table('personality_versions',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('character_id', sa.String(length=80), nullable=False),
+    sa.Column('version', sa.Integer(), nullable=False),
+    sa.Column('identity_profile', sa.Text(), nullable=False),
+    sa.Column('role_destiny', sa.Text(), nullable=False),
+    sa.Column('personality_seed', sa.Text(), nullable=False),
+    sa.Column('traits', sa.Text(), nullable=False),
+    sa.Column('expression_style', sa.Text(), nullable=False),
+    sa.Column('values', sa.Text(), nullable=False),
+    sa.Column('relationship_pattern', sa.Text(), nullable=False),
+    sa.Column('emotion_baseline', sa.Text(), nullable=False),
+    sa.Column('reason', sa.Text(), nullable=False),
+    sa.Column('evidence_ids_json', sa.Text(), nullable=False),
+    sa.Column('created_by', sa.String(length=80), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('rolled_back_at', sa.DateTime(timezone=True), nullable=True),
+    sa.ForeignKeyConstraint(['character_id'], ['characters.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_personality_versions_character_id'), 'personality_versions', ['character_id'], unique=False)
+    op.create_table('role_permissions',
+    sa.Column('role_id', sa.String(length=40), nullable=False),
+    sa.Column('permission_id', sa.String(length=40), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.ForeignKeyConstraint(['permission_id'], ['permissions.id'], ondelete='CASCADE'),
+    sa.ForeignKeyConstraint(['role_id'], ['roles.id'], ondelete='CASCADE'),
+    sa.PrimaryKeyConstraint('role_id', 'permission_id')
+    )
+    op.create_table('time_anniversaries',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('character_id', sa.String(length=80), nullable=False),
+    sa.Column('name', sa.String(length=200), nullable=False),
+    sa.Column('calendar', sa.String(length=20), nullable=False),
+    sa.Column('date', sa.String(length=20), nullable=False),
+    sa.Column('recurs_yearly', sa.Boolean(), nullable=False),
+    sa.Column('kind', sa.String(length=40), nullable=False),
+    sa.Column('subject_type', sa.String(length=40), nullable=False),
+    sa.Column('source', sa.String(length=40), nullable=False),
+    sa.Column('metadata_json', sa.Text(), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.ForeignKeyConstraint(['character_id'], ['characters.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_time_anniversaries_character_id'), 'time_anniversaries', ['character_id'], unique=False)
+    op.create_table('user_roles',
+    sa.Column('user_id', sa.String(length=40), nullable=False),
+    sa.Column('role_id', sa.String(length=40), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.ForeignKeyConstraint(['role_id'], ['roles.id'], ondelete='CASCADE'),
+    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ondelete='CASCADE'),
+    sa.PrimaryKeyConstraint('user_id', 'role_id')
+    )
+    op.create_table('character_profile_candidates',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('character_id', sa.String(length=80), nullable=False),
+    sa.Column('import_job_id', sa.String(length=80), nullable=True),
+    sa.Column('field', sa.String(length=60), nullable=False),
+    sa.Column('value', sa.Text(), nullable=False),
+    sa.Column('confidence', sa.Float(), nullable=False),
+    sa.Column('evidence_ids_json', sa.Text(), nullable=False),
+    sa.Column('status', sa.String(length=40), nullable=False),
+    sa.Column('reason', sa.Text(), nullable=True),
+    sa.Column('reviewed_at', sa.DateTime(timezone=True), nullable=True),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.ForeignKeyConstraint(['character_id'], ['characters.id'], ),
+    sa.ForeignKeyConstraint(['import_job_id'], ['character_import_jobs.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_character_profile_candidates_character_id'), 'character_profile_candidates', ['character_id'], unique=False)
+    op.create_index(op.f('ix_character_profile_candidates_import_job_id'), 'character_profile_candidates', ['import_job_id'], unique=False)
+    op.create_index(op.f('ix_character_profile_candidates_status'), 'character_profile_candidates', ['status'], unique=False)
+    op.create_table('curiosity_questions',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('character_id', sa.String(length=80), nullable=False),
+    sa.Column('cycle_id', sa.String(length=80), nullable=False),
+    sa.Column('question', sa.Text(), nullable=False),
+    sa.Column('source', sa.String(length=60), nullable=False),
+    sa.Column('related_entities_json', sa.Text(), nullable=False),
+    sa.Column('expected_value', sa.Float(), nullable=False),
+    sa.Column('urgency', sa.Float(), nullable=False),
+    sa.Column('risk_level', sa.String(length=8), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.ForeignKeyConstraint(['character_id'], ['characters.id'], ),
+    sa.ForeignKeyConstraint(['cycle_id'], ['big_cycles.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_curiosity_questions_character_id'), 'curiosity_questions', ['character_id'], unique=False)
+    op.create_index(op.f('ix_curiosity_questions_cycle_id'), 'curiosity_questions', ['cycle_id'], unique=False)
+    op.create_table('evolution_candidates',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('character_id', sa.String(length=80), nullable=False),
+    sa.Column('cycle_id', sa.String(length=80), nullable=False),
+    sa.Column('type', sa.String(length=60), nullable=False),
+    sa.Column('source', sa.String(length=60), nullable=False),
+    sa.Column('level', sa.String(length=8), nullable=False),
+    sa.Column('scope', sa.String(length=40), nullable=False),
+    sa.Column('title', sa.String(length=200), nullable=False),
+    sa.Column('proposal', sa.Text(), nullable=False),
+    sa.Column('delta_json', sa.Text(), nullable=False),
+    sa.Column('evidence_ids_json', sa.Text(), nullable=False),
+    sa.Column('confidence', sa.Float(), nullable=False),
+    sa.Column('benefit_score', sa.Float(), nullable=False),
+    sa.Column('risk_score', sa.Float(), nullable=False),
+    sa.Column('drift_score', sa.Float(), nullable=False),
+    sa.Column('auto_apply_allowed', sa.Boolean(), nullable=False),
+    sa.Column('status', sa.String(length=40), nullable=False),
+    sa.Column('resulting_target_id', sa.String(length=80), nullable=True),
+    sa.Column('error_message', sa.Text(), nullable=True),
+    sa.Column('reviewed_at', sa.DateTime(timezone=True), nullable=True),
+    sa.Column('reviewed_by', sa.String(length=80), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.ForeignKeyConstraint(['character_id'], ['characters.id'], ),
+    sa.ForeignKeyConstraint(['cycle_id'], ['big_cycles.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_evolution_candidates_character_id'), 'evolution_candidates', ['character_id'], unique=False)
+    op.create_index(op.f('ix_evolution_candidates_cycle_id'), 'evolution_candidates', ['cycle_id'], unique=False)
+    op.create_index(op.f('ix_evolution_candidates_status'), 'evolution_candidates', ['status'], unique=False)
+    op.create_table('import_items',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('import_job_id', sa.String(length=80), nullable=False),
+    sa.Column('character_id', sa.String(length=80), nullable=False),
+    sa.Column('item_type', sa.String(length=40), nullable=False),
+    sa.Column('role', sa.String(length=40), nullable=False),
+    sa.Column('sequence', sa.Integer(), nullable=False),
+    sa.Column('content', sa.Text(), nullable=False),
+    sa.Column('metadata_json', sa.Text(), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.ForeignKeyConstraint(['character_id'], ['characters.id'], ),
+    sa.ForeignKeyConstraint(['import_job_id'], ['character_import_jobs.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_import_items_character_id'), 'import_items', ['character_id'], unique=False)
+    op.create_index(op.f('ix_import_items_import_job_id'), 'import_items', ['import_job_id'], unique=False)
+    op.create_table('lorebook_entries',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('lorebook_id', sa.String(length=80), nullable=False),
+    sa.Column('keys_json', sa.Text(), nullable=False),
+    sa.Column('content', sa.Text(), nullable=False),
+    sa.Column('secondary_keys_json', sa.Text(), nullable=False),
+    sa.Column('constant', sa.Boolean(), nullable=False),
+    sa.Column('selective', sa.Boolean(), nullable=False),
+    sa.Column('enabled', sa.Boolean(), nullable=False),
+    sa.Column('case_sensitive', sa.Boolean(), nullable=False),
+    sa.Column('use_regex', sa.Boolean(), nullable=False),
+    sa.Column('position', sa.String(length=40), nullable=False),
+    sa.Column('insertion_order', sa.Integer(), nullable=False),
+    sa.Column('priority', sa.Integer(), nullable=False),
+    sa.Column('comment', sa.String(length=500), nullable=False),
+    sa.Column('bound_entity_id', sa.String(length=80), nullable=True),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.ForeignKeyConstraint(['lorebook_id'], ['lorebooks.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_lorebook_entries_bound_entity_id'), 'lorebook_entries', ['bound_entity_id'], unique=False)
+    op.create_index(op.f('ix_lorebook_entries_lorebook_id'), 'lorebook_entries', ['lorebook_id'], unique=False)
+    op.create_table('memory_candidates',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('character_id', sa.String(length=80), nullable=False),
+    sa.Column('import_job_id', sa.String(length=80), nullable=True),
+    sa.Column('cycle_id', sa.String(length=80), nullable=True),
+    sa.Column('type', sa.String(length=60), nullable=False),
+    sa.Column('title', sa.String(length=200), nullable=False),
+    sa.Column('content', sa.Text(), nullable=False),
+    sa.Column('confidence', sa.Float(), nullable=False),
+    sa.Column('importance', sa.Float(), nullable=False),
+    sa.Column('sensitivity', sa.String(length=40), nullable=False),
+    sa.Column('evidence_ids_json', sa.Text(), nullable=False),
+    sa.Column('status', sa.String(length=40), nullable=False),
+    sa.Column('reason', sa.Text(), nullable=True),
+    sa.Column('reviewed_at', sa.DateTime(timezone=True), nullable=True),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.ForeignKeyConstraint(['character_id'], ['characters.id'], ),
+    sa.ForeignKeyConstraint(['cycle_id'], ['big_cycles.id'], ),
+    sa.ForeignKeyConstraint(['import_job_id'], ['character_import_jobs.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_memory_candidates_character_id'), 'memory_candidates', ['character_id'], unique=False)
+    op.create_index(op.f('ix_memory_candidates_cycle_id'), 'memory_candidates', ['cycle_id'], unique=False)
+    op.create_index(op.f('ix_memory_candidates_import_job_id'), 'memory_candidates', ['import_job_id'], unique=False)
+    op.create_index(op.f('ix_memory_candidates_status'), 'memory_candidates', ['status'], unique=False)
+    op.create_table('memory_links',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('character_id', sa.String(length=80), nullable=False),
+    sa.Column('source_memory_id', sa.String(length=80), nullable=False),
+    sa.Column('target_memory_id', sa.String(length=80), nullable=False),
+    sa.Column('relation', sa.String(length=80), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.ForeignKeyConstraint(['character_id'], ['characters.id'], ),
+    sa.ForeignKeyConstraint(['source_memory_id'], ['memories.id'], ),
+    sa.ForeignKeyConstraint(['target_memory_id'], ['memories.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_memory_links_character_id'), 'memory_links', ['character_id'], unique=False)
+    op.create_index(op.f('ix_memory_links_source_memory_id'), 'memory_links', ['source_memory_id'], unique=False)
+    op.create_index(op.f('ix_memory_links_target_memory_id'), 'memory_links', ['target_memory_id'], unique=False)
+    op.create_table('personality_proposals',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('character_id', sa.String(length=80), nullable=False),
+    sa.Column('fields_json', sa.Text(), nullable=False),
+    sa.Column('reason', sa.Text(), nullable=False),
+    sa.Column('status', sa.String(length=40), nullable=False),
+    sa.Column('resulting_version_id', sa.String(length=80), nullable=True),
+    sa.Column('reviewed_at', sa.DateTime(timezone=True), nullable=True),
+    sa.Column('reviewed_by', sa.String(length=80), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.ForeignKeyConstraint(['character_id'], ['characters.id'], ),
+    sa.ForeignKeyConstraint(['resulting_version_id'], ['personality_versions.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_personality_proposals_character_id'), 'personality_proposals', ['character_id'], unique=False)
+    op.create_index(op.f('ix_personality_proposals_status'), 'personality_proposals', ['status'], unique=False)
+    op.create_table('plans',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('goal_id', sa.String(length=80), nullable=True),
+    sa.Column('title', sa.String(length=300), nullable=False),
+    sa.Column('status', sa.String(length=40), nullable=False),
+    sa.Column('assumptions_json', sa.Text(), nullable=False),
+    sa.Column('risks_json', sa.Text(), nullable=False),
+    sa.Column('required_tools_json', sa.Text(), nullable=False),
+    sa.Column('success_criteria_json', sa.Text(), nullable=False),
+    sa.Column('step_count', sa.Integer(), nullable=False),
+    sa.Column('completed_steps', sa.Integer(), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.ForeignKeyConstraint(['goal_id'], ['goals.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_plans_goal_id'), 'plans', ['goal_id'], unique=False)
+    op.create_index(op.f('ix_plans_status'), 'plans', ['status'], unique=False)
+    op.create_table('runs',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('character_id', sa.String(length=80), nullable=False),
+    sa.Column('session_id', sa.String(length=80), nullable=True),
+    sa.Column('status', sa.String(length=40), nullable=False),
+    sa.Column('goal', sa.String(length=300), nullable=True),
+    sa.Column('origin', sa.String(length=40), nullable=False),
+    sa.Column('model_hint', sa.String(length=120), nullable=True),
+    sa.Column('started_at', sa.DateTime(timezone=True), nullable=True),
+    sa.Column('completed_at', sa.DateTime(timezone=True), nullable=True),
+    sa.Column('error_code', sa.String(length=80), nullable=True),
+    sa.Column('error_message', sa.Text(), nullable=True),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.ForeignKeyConstraint(['character_id'], ['characters.id'], ),
+    sa.ForeignKeyConstraint(['session_id'], ['chat_sessions.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_runs_character_id'), 'runs', ['character_id'], unique=False)
+    op.create_index(op.f('ix_runs_session_id'), 'runs', ['session_id'], unique=False)
+    op.create_index(op.f('ix_runs_status'), 'runs', ['status'], unique=False)
+    op.create_table('world_relations',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('character_id', sa.String(length=80), nullable=False),
+    sa.Column('subject_id', sa.String(length=80), nullable=False),
+    sa.Column('predicate', sa.String(length=120), nullable=False),
+    sa.Column('object_id', sa.String(length=80), nullable=False),
+    sa.Column('confidence', sa.Float(), nullable=False),
+    sa.Column('evidence_ids_json', sa.Text(), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.ForeignKeyConstraint(['character_id'], ['characters.id'], ),
+    sa.ForeignKeyConstraint(['object_id'], ['character_world_entities.id'], ),
+    sa.ForeignKeyConstraint(['subject_id'], ['character_world_entities.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_world_relations_character_id'), 'world_relations', ['character_id'], unique=False)
+    op.create_index(op.f('ix_world_relations_object_id'), 'world_relations', ['object_id'], unique=False)
+    op.create_index(op.f('ix_world_relations_subject_id'), 'world_relations', ['subject_id'], unique=False)
+    op.create_table('audit_events',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('pivot', sa.String(length=40), nullable=True),
+    sa.Column('character_id', sa.String(length=80), nullable=True),
+    sa.Column('run_id', sa.String(length=80), nullable=True),
+    sa.Column('action', sa.String(length=120), nullable=False),
+    sa.Column('actor', sa.String(length=80), nullable=False),
+    sa.Column('risk_level', sa.String(length=20), nullable=False),
+    sa.Column('decision', sa.String(length=40), nullable=False),
+    sa.Column('reason', sa.Text(), nullable=True),
+    sa.Column('input_summary', sa.Text(), nullable=True),
+    sa.Column('output_summary', sa.Text(), nullable=True),
+    sa.Column('trace_id', sa.String(length=80), nullable=True),
+    sa.Column('resource_type', sa.String(length=80), nullable=True),
+    sa.Column('resource_id', sa.String(length=120), nullable=True),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.ForeignKeyConstraint(['character_id'], ['characters.id'], ),
+    sa.ForeignKeyConstraint(['run_id'], ['runs.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_audit_events_character_id'), 'audit_events', ['character_id'], unique=False)
+    op.create_index(op.f('ix_audit_events_pivot'), 'audit_events', ['pivot'], unique=False)
+    op.create_index(op.f('ix_audit_events_run_id'), 'audit_events', ['run_id'], unique=False)
+    op.create_index(op.f('ix_audit_events_trace_id'), 'audit_events', ['trace_id'], unique=False)
+    op.create_table('chat_messages',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('character_id', sa.String(length=80), nullable=False),
+    sa.Column('session_id', sa.String(length=80), nullable=False),
+    sa.Column('role', sa.String(length=40), nullable=False),
+    sa.Column('content', sa.Text(), nullable=False),
+    sa.Column('modality', sa.String(length=40), nullable=False),
+    sa.Column('run_id', sa.String(length=80), nullable=True),
+    sa.Column('metadata_json', sa.Text(), nullable=False),
+    sa.Column('sensitivity', sa.String(length=40), nullable=False),
+    sa.Column('versions_json', sa.Text(), nullable=False, comment='版本历史 JSON 数组：[{content, created_at}]，按生成顺序排列，末尾最新'),
+    sa.Column('active_version_idx', sa.Integer(), nullable=False, comment='当前活跃版本在 versions_json 中的索引（0-based）'),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('deleted_at', sa.DateTime(timezone=True), nullable=True),
+    sa.ForeignKeyConstraint(['character_id'], ['characters.id'], ),
+    sa.ForeignKeyConstraint(['run_id'], ['runs.id'], ),
+    sa.ForeignKeyConstraint(['session_id'], ['chat_sessions.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_chat_messages_character_id'), 'chat_messages', ['character_id'], unique=False)
+    op.create_index(op.f('ix_chat_messages_run_id'), 'chat_messages', ['run_id'], unique=False)
+    op.create_index(op.f('ix_chat_messages_session_id'), 'chat_messages', ['session_id'], unique=False)
+    op.create_table('events',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('character_id', sa.String(length=80), nullable=True),
+    sa.Column('run_id', sa.String(length=80), nullable=True),
+    sa.Column('type', sa.String(length=80), nullable=False),
+    sa.Column('source', sa.String(length=40), nullable=False),
+    sa.Column('payload_json', sa.Text(), nullable=False),
+    sa.Column('visibility', sa.String(length=40), nullable=False),
+    sa.Column('sensitivity', sa.String(length=40), nullable=False),
+    sa.Column('trace_id', sa.String(length=80), nullable=True),
+    sa.Column('parent_id', sa.String(length=80), nullable=True),
+    sa.Column('sequence', sa.Integer(), nullable=False),
+    sa.Column('evidence_ids_json', sa.Text(), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.ForeignKeyConstraint(['character_id'], ['characters.id'], ),
+    sa.ForeignKeyConstraint(['run_id'], ['runs.id'], ),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('run_id', 'sequence', name='uq_events_run_sequence')
+    )
+    op.create_index(op.f('ix_events_character_id'), 'events', ['character_id'], unique=False)
+    op.create_index(op.f('ix_events_run_id'), 'events', ['run_id'], unique=False)
+    op.create_index(op.f('ix_events_trace_id'), 'events', ['trace_id'], unique=False)
+    op.create_index(op.f('ix_events_type'), 'events', ['type'], unique=False)
+    op.create_table('exploratory_subgoals',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('character_id', sa.String(length=80), nullable=False),
+    sa.Column('cycle_id', sa.String(length=80), nullable=False),
+    sa.Column('parent_goal_id', sa.String(length=80), nullable=True),
+    sa.Column('curiosity_question_id', sa.String(length=80), nullable=False),
+    sa.Column('title', sa.String(length=200), nullable=False),
+    sa.Column('description', sa.Text(), nullable=False),
+    sa.Column('expected_information_gain', sa.Float(), nullable=False),
+    sa.Column('interruption_cost', sa.Float(), nullable=False),
+    sa.Column('risk_level', sa.String(length=8), nullable=False),
+    sa.Column('status', sa.String(length=40), nullable=False),
+    sa.Column('reviewed_at', sa.DateTime(timezone=True), nullable=True),
+    sa.Column('reviewed_by', sa.String(length=80), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.ForeignKeyConstraint(['character_id'], ['characters.id'], ),
+    sa.ForeignKeyConstraint(['curiosity_question_id'], ['curiosity_questions.id'], ),
+    sa.ForeignKeyConstraint(['cycle_id'], ['big_cycles.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_exploratory_subgoals_character_id'), 'exploratory_subgoals', ['character_id'], unique=False)
+    op.create_index(op.f('ix_exploratory_subgoals_curiosity_question_id'), 'exploratory_subgoals', ['curiosity_question_id'], unique=False)
+    op.create_index(op.f('ix_exploratory_subgoals_cycle_id'), 'exploratory_subgoals', ['cycle_id'], unique=False)
+    op.create_index(op.f('ix_exploratory_subgoals_status'), 'exploratory_subgoals', ['status'], unique=False)
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index(op.f('ix_exploratory_subgoals_status'), table_name='exploratory_subgoals')
+    op.drop_index(op.f('ix_exploratory_subgoals_cycle_id'), table_name='exploratory_subgoals')
+    op.drop_index(op.f('ix_exploratory_subgoals_curiosity_question_id'), table_name='exploratory_subgoals')
+    op.drop_index(op.f('ix_exploratory_subgoals_character_id'), table_name='exploratory_subgoals')
+    op.drop_table('exploratory_subgoals')
+    op.drop_index(op.f('ix_events_type'), table_name='events')
+    op.drop_index(op.f('ix_events_trace_id'), table_name='events')
+    op.drop_index(op.f('ix_events_run_id'), table_name='events')
+    op.drop_index(op.f('ix_events_character_id'), table_name='events')
+    op.drop_table('events')
+    op.drop_index(op.f('ix_chat_messages_session_id'), table_name='chat_messages')
+    op.drop_index(op.f('ix_chat_messages_run_id'), table_name='chat_messages')
+    op.drop_index(op.f('ix_chat_messages_character_id'), table_name='chat_messages')
+    op.drop_table('chat_messages')
+    op.drop_index(op.f('ix_audit_events_trace_id'), table_name='audit_events')
+    op.drop_index(op.f('ix_audit_events_run_id'), table_name='audit_events')
+    op.drop_index(op.f('ix_audit_events_pivot'), table_name='audit_events')
+    op.drop_index(op.f('ix_audit_events_character_id'), table_name='audit_events')
+    op.drop_table('audit_events')
+    op.drop_index(op.f('ix_world_relations_subject_id'), table_name='world_relations')
+    op.drop_index(op.f('ix_world_relations_object_id'), table_name='world_relations')
+    op.drop_index(op.f('ix_world_relations_character_id'), table_name='world_relations')
+    op.drop_table('world_relations')
+    op.drop_index(op.f('ix_runs_status'), table_name='runs')
+    op.drop_index(op.f('ix_runs_session_id'), table_name='runs')
+    op.drop_index(op.f('ix_runs_character_id'), table_name='runs')
+    op.drop_table('runs')
+    op.drop_index(op.f('ix_plans_status'), table_name='plans')
+    op.drop_index(op.f('ix_plans_goal_id'), table_name='plans')
+    op.drop_table('plans')
+    op.drop_index(op.f('ix_personality_proposals_status'), table_name='personality_proposals')
+    op.drop_index(op.f('ix_personality_proposals_character_id'), table_name='personality_proposals')
+    op.drop_table('personality_proposals')
+    op.drop_index(op.f('ix_memory_links_target_memory_id'), table_name='memory_links')
+    op.drop_index(op.f('ix_memory_links_source_memory_id'), table_name='memory_links')
+    op.drop_index(op.f('ix_memory_links_character_id'), table_name='memory_links')
+    op.drop_table('memory_links')
+    op.drop_index(op.f('ix_memory_candidates_status'), table_name='memory_candidates')
+    op.drop_index(op.f('ix_memory_candidates_import_job_id'), table_name='memory_candidates')
+    op.drop_index(op.f('ix_memory_candidates_cycle_id'), table_name='memory_candidates')
+    op.drop_index(op.f('ix_memory_candidates_character_id'), table_name='memory_candidates')
+    op.drop_table('memory_candidates')
+    op.drop_index(op.f('ix_lorebook_entries_lorebook_id'), table_name='lorebook_entries')
+    op.drop_index(op.f('ix_lorebook_entries_bound_entity_id'), table_name='lorebook_entries')
+    op.drop_table('lorebook_entries')
+    op.drop_index(op.f('ix_import_items_import_job_id'), table_name='import_items')
+    op.drop_index(op.f('ix_import_items_character_id'), table_name='import_items')
+    op.drop_table('import_items')
+    op.drop_index(op.f('ix_evolution_candidates_status'), table_name='evolution_candidates')
+    op.drop_index(op.f('ix_evolution_candidates_cycle_id'), table_name='evolution_candidates')
+    op.drop_index(op.f('ix_evolution_candidates_character_id'), table_name='evolution_candidates')
+    op.drop_table('evolution_candidates')
+    op.drop_index(op.f('ix_curiosity_questions_cycle_id'), table_name='curiosity_questions')
+    op.drop_index(op.f('ix_curiosity_questions_character_id'), table_name='curiosity_questions')
+    op.drop_table('curiosity_questions')
+    op.drop_index(op.f('ix_character_profile_candidates_status'), table_name='character_profile_candidates')
+    op.drop_index(op.f('ix_character_profile_candidates_import_job_id'), table_name='character_profile_candidates')
+    op.drop_index(op.f('ix_character_profile_candidates_character_id'), table_name='character_profile_candidates')
+    op.drop_table('character_profile_candidates')
+    op.drop_table('user_roles')
+    op.drop_index(op.f('ix_time_anniversaries_character_id'), table_name='time_anniversaries')
+    op.drop_table('time_anniversaries')
+    op.drop_table('role_permissions')
+    op.drop_index(op.f('ix_personality_versions_character_id'), table_name='personality_versions')
+    op.drop_table('personality_versions')
+    op.drop_index(op.f('ix_memories_status'), table_name='memories')
+    op.drop_index(op.f('ix_memories_character_id'), table_name='memories')
+    op.drop_table('memories')
+    op.drop_index(op.f('ix_lorebooks_status'), table_name='lorebooks')
+    op.drop_index(op.f('ix_lorebooks_scope'), table_name='lorebooks')
+    op.drop_index(op.f('ix_lorebooks_owner_scope'), table_name='lorebooks')
+    op.drop_index(op.f('ix_lorebooks_character_id'), table_name='lorebooks')
+    op.drop_table('lorebooks')
+    op.drop_index(op.f('ix_goals_status'), table_name='goals')
+    op.drop_index(op.f('ix_goals_level'), table_name='goals')
+    op.drop_index(op.f('ix_goals_character_id'), table_name='goals')
+    op.drop_table('goals')
+    op.drop_index(op.f('ix_chat_sessions_status'), table_name='chat_sessions')
+    op.drop_index(op.f('ix_chat_sessions_owner_scope'), table_name='chat_sessions')
+    op.drop_index(op.f('ix_chat_sessions_character_id'), table_name='chat_sessions')
+    op.drop_table('chat_sessions')
+    op.drop_index(op.f('ix_character_world_entities_type'), table_name='character_world_entities')
+    op.drop_index(op.f('ix_character_world_entities_status'), table_name='character_world_entities')
+    op.drop_index(op.f('ix_character_world_entities_character_id'), table_name='character_world_entities')
+    op.drop_table('character_world_entities')
+    op.drop_index(op.f('ix_character_import_jobs_status'), table_name='character_import_jobs')
+    op.drop_index(op.f('ix_character_import_jobs_material_type'), table_name='character_import_jobs')
+    op.drop_index(op.f('ix_character_import_jobs_checksum'), table_name='character_import_jobs')
+    op.drop_index(op.f('ix_character_import_jobs_character_id'), table_name='character_import_jobs')
+    op.drop_table('character_import_jobs')
+    op.drop_table('character_emotion_states')
+    op.drop_index(op.f('ix_big_cycles_status'), table_name='big_cycles')
+    op.drop_index(op.f('ix_big_cycles_completed_at'), table_name='big_cycles')
+    op.drop_index(op.f('ix_big_cycles_character_id'), table_name='big_cycles')
+    op.drop_table('big_cycles')
+    op.drop_index(op.f('ix_world_entities_type'), table_name='world_entities')
+    op.drop_table('world_entities')
+    op.drop_index(op.f('ix_users_username'), table_name='users')
+    op.drop_table('users')
+    op.drop_table('tool_policies')
+    op.drop_index(op.f('ix_skills_status'), table_name='skills')
+    op.drop_table('skills')
+    op.drop_index(op.f('ix_roles_name'), table_name='roles')
+    op.drop_table('roles')
+    op.drop_index(op.f('ix_permissions_resource'), table_name='permissions')
+    op.drop_table('permissions')
+    op.drop_table('perception_channels')
+    op.drop_index(op.f('ix_pending_confirmations_status'), table_name='pending_confirmations')
+    op.drop_index(op.f('ix_pending_confirmations_run_id'), table_name='pending_confirmations')
+    op.drop_index(op.f('ix_pending_confirmations_character_id'), table_name='pending_confirmations')
+    op.drop_table('pending_confirmations')
+    op.drop_table('model_endpoint_overrides')
+    op.drop_index(op.f('ix_mcp_servers_status'), table_name='mcp_servers')
+    op.drop_table('mcp_servers')
+    op.drop_index(op.f('ix_idempotency_keys_trace_id'), table_name='idempotency_keys')
+    op.drop_index(op.f('ix_idempotency_keys_scope'), table_name='idempotency_keys')
+    op.drop_index(op.f('ix_idempotency_keys_key'), table_name='idempotency_keys')
+    op.drop_index(op.f('ix_idempotency_keys_expires_at'), table_name='idempotency_keys')
+    op.drop_table('idempotency_keys')
+    op.drop_table('generation_preferences')
+    op.drop_index(op.f('ix_characters_template_key'), table_name='characters')
+    op.drop_index(op.f('ix_characters_status'), table_name='characters')
+    op.drop_index(op.f('ix_characters_source_template_id'), table_name='characters')
+    op.drop_index(op.f('ix_characters_owner_scope'), table_name='characters')
+    op.drop_index(op.f('ix_characters_is_system_template'), table_name='characters')
+    op.drop_table('characters')
+    op.drop_table('agent_roster')
+    # ### end Alembic commands ###
diff --git a/backend/app/api/router.py b/backend/app/api/router.py
index edbdc3a..2ea0e9f 100644
--- a/backend/app/api/router.py
+++ b/backend/app/api/router.py
@@ -17,6 +17,7 @@ from app.api.v1.endpoints import (
     goals,
     health,
     imports,
+    kernel_runs,
     lorebooks,
     mcp,
     memory,
@@ -38,6 +39,7 @@ api_router.include_router(characters.router)
 api_router.include_router(character_import.router)
 api_router.include_router(chat.router)
 api_router.include_router(runs.router)
+api_router.include_router(kernel_runs.router)
 api_router.include_router(memory.router)
 api_router.include_router(lorebooks.router)
 api_router.include_router(personality.router)
diff --git a/backend/app/api/v1/endpoints/kernel_runs.py b/backend/app/api/v1/endpoints/kernel_runs.py
new file mode 100644
index 0000000..3b201d2
--- /dev/null
+++ b/backend/app/api/v1/endpoints/kernel_runs.py
@@ -0,0 +1,55 @@
+"""Kernel Run API（rewrite/1.0 新契约首个端点）。
+
+POST /api/v1/runs：创建占位前台 Run（M0 骨架），事件流经既有
+GET /api/v1/runs/{run_id}/stream 订阅（SSE + Last-Event-ID 断线续传）。
+与旧 runs 路由共存：本模块只新增 POST，不改动旧读端点（M2 重建时收敛）。
+"""
+
+from __future__ import annotations
+
+from fastapi import APIRouter, Depends, Request
+from pydantic import BaseModel, Field
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.api.v1.deps import get_current_user
+from app.db.session import get_session
+from app.kernel import Kernel
+from app.schemas.auth import CurrentUser
+from app.schemas.runtime import RunResponse
+from app.services.characters import resolve_active_character
+from app.services.runtime import get_run_response
+
+router = APIRouter(prefix="/runs", tags=["kernel"])
+
+
+class KernelRunCreate(BaseModel):
+    """占位 Run 创建请求：M0 无镜树挂载，prompt 直接作为用户输入。"""
+
+    prompt: str = Field(default="你好，请介绍一下你自己。", min_length=1, max_length=8000)
+    character_id: str | None = Field(default=None, description="缺省用当前激活人物")
+
+
+def _get_kernel(request: Request) -> Kernel:
+    kernel: Kernel | None = getattr(request.app.state, "kernel", None)
+    if kernel is None:
+        from app.core.errors import AppError
+
+        raise AppError("service_unavailable", "Kernel 运行时未就绪。", status_code=503)
+    return kernel
+
+
+@router.post("", response_model=RunResponse, status_code=200)
+async def create_kernel_run(
+    payload: KernelRunCreate,
+    request: Request,
+    user: CurrentUser = Depends(get_current_user),
+    db: AsyncSession = Depends(get_session),
+) -> RunResponse:
+    kernel = _get_kernel(request)
+    character = await resolve_active_character(
+        db, payload.character_id, owner_scope=user.owner_scope
+    )
+    run = await kernel.start_foreground_run(
+        character_id=character.id, prompt=payload.prompt
+    )
+    return await get_run_response(run.id)
diff --git a/backend/app/core/config/runtime_config.py b/backend/app/core/config/runtime_config.py
index 28f5bb0..d170739 100644
--- a/backend/app/core/config/runtime_config.py
+++ b/backend/app/core/config/runtime_config.py
@@ -14,6 +14,11 @@ class RuntimeConfig(BaseSettings):
     sse_poll_interval_seconds: float = 0.01  # SSE 轮询间隔（秒，10ms：前端逐段平滑增量）
     sse_heartbeat_seconds: float = 15.0  # SSE 心跳间隔（秒）
     run_timeout_seconds: int = 120  # 运行超时时间（秒）
+
+    # ==================== 神识（模型网关，rewrite/1.0） ====================
+    shenshi_base_url: str = ""  # 神识服务地址；为空时 Kernel 使用进程内回声桩（M0 骨架）
+    shenshi_service_token: str = ""  # 灵台→神识服务令牌（开发档可空）
+    shenshi_timeout_seconds: float = 120.0  # 神识流式调用超时（秒）
     # Agent 循环最大轮数：模型每轮仍带工具调用则继续，超限截断返回（见 agent.runtime.DEFAULT_MAX_ITERATIONS）
     agent_max_iterations: int = 8
     # 单次高风险工具确认挂起超时（秒）：须小于 run_timeout_seconds，超时按拒绝处理；
diff --git a/backend/app/kernel/__init__.py b/backend/app/kernel/__init__.py
new file mode 100644
index 0000000..fbafeda
--- /dev/null
+++ b/backend/app/kernel/__init__.py
@@ -0,0 +1,78 @@
+"""极小硬核 Kernel：不变量裁决、命台并发控制、事件日志写入、Run 循环骨架。
+
+不可插拔（lingtai-runtime.md §1）；插件与 Profile 见 ``app.runtime``。
+"""
+
+from __future__ import annotations
+
+import asyncio
+
+from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker
+
+from app.kernel.eventlog import KernelEventLog
+from app.kernel.loop import KernelRunLoop
+from app.kernel.seat import SeatManager
+from app.models.runtime import Run
+from app.runtime.bus import WaterfallBus
+from app.runtime.profile import resolve_profile
+from app.shenshi_client.client import ShenshiClient
+
+__all__ = ["Kernel", "KernelEventLog", "KernelRunLoop", "SeatManager"]
+
+
+class Kernel:
+    """门面：持有 Kernel 全部部件，供 lifespan 装配与 API 层调用。"""
+
+    def __init__(
+        self,
+        *,
+        shenshi: ShenshiClient,
+        session_factory: async_sessionmaker[AsyncSession],
+        event_log: KernelEventLog,
+        bus: WaterfallBus | None = None,
+        seats: SeatManager | None = None,
+        timeout_seconds: float = 120.0,
+    ) -> None:
+        self._sessions = session_factory
+        self.bus = bus or WaterfallBus()
+        self.seats = seats or SeatManager()
+        self.loop = KernelRunLoop(
+            event_log=event_log,
+            seats=self.seats,
+            bus=self.bus,
+            shenshi=shenshi,
+            session_factory=session_factory,
+            timeout_seconds=timeout_seconds,
+        )
+        self._tasks: set[asyncio.Task[None]] = set()
+
+    async def start_foreground_run(
+        self, *, character_id: str, prompt: str, trace_id: str | None = None
+    ) -> Run:
+        """创建 Run 行（queued）并异步启动循环；前台席位在循环内排队获取。"""
+        profile = resolve_profile()
+        async with self._sessions() as session:
+            run = Run(
+                character_id=character_id,
+                session_id=None,
+                status="queued",
+                goal=prompt[:300] if prompt else None,
+                origin="kernel",
+                model_hint=str(profile.params.get("slot", "chat")),
+            )
+            session.add(run)
+            await session.commit()
+            run_id = run.id
+
+        task = asyncio.create_task(
+            self.loop.execute(
+                run_id=run_id, character_id=character_id, prompt=prompt, trace_id=trace_id
+            )
+        )
+        self._tasks.add(task)
+        task.add_done_callback(self._tasks.discard)
+
+        async with self._sessions() as session:
+            created = await session.get(Run, run_id)
+            assert created is not None
+            return created
diff --git a/backend/app/kernel/eventlog.py b/backend/app/kernel/eventlog.py
new file mode 100644
index 0000000..aa85ed2
--- /dev/null
+++ b/backend/app/kernel/eventlog.py
@@ -0,0 +1,63 @@
+"""Kernel 事件日志：一炁（EventStore）之上的 Kernel 写入接口。
+
+- 落库走 ``DbEventStore``（run 内单调 sequence，DB 为事实源，SSE 断线重放依据）；
+- 双发进程内 ``bus``（RunEventBus）供既有 ``/runs/{id}/stream`` SSE 实时转发。
+  该双发是 M0 骨架的过渡接法，M2 重建 runs 路由时收敛为 EventStore 单通道。
+"""
+
+from __future__ import annotations
+
+from typing import Any
+
+from app.modules.runtime.events import Event, EventStore
+from app.schemas.runtime import EventResponse
+from app.services.event_bus import bus
+
+
+class KernelEventLog:
+    """Kernel 视角的事件写入与检索。"""
+
+    def __init__(self, store: EventStore) -> None:
+        self._store = store
+
+    async def emit(
+        self,
+        *,
+        type: str,  # noqa: A002 — 对齐事件字段名
+        run_id: str,
+        character_id: str,
+        source: str = "kernel",
+        payload: dict[str, Any] | None = None,
+        visibility: str = "public",
+        trace_id: str | None = None,
+    ) -> Event:
+        event = await self._store.append(
+            Event(
+                type=type,
+                source=source,
+                payload=payload or {},
+                visibility=visibility,  # type: ignore[arg-type]
+                run_id=run_id,
+                character_id=character_id,
+                trace_id=trace_id,
+            )
+        )
+        bus.publish(run_id, _to_response(event))
+        return event
+
+    async def list_by_run(self, run_id: str) -> list[Event]:
+        return await self._store.list_by_run(run_id)
+
+
+def _to_response(event: Event) -> EventResponse:
+    return EventResponse(
+        event_id=event.id,
+        run_id=event.run_id or "",
+        character_id=event.character_id or "",
+        type=event.type,
+        sequence=event.sequence if event.sequence is not None else 0,
+        visibility=event.visibility,
+        payload=event.payload,
+        created_at=event.created_at,
+        trace_id=event.trace_id,
+    )
diff --git a/backend/app/kernel/invariants.py b/backend/app/kernel/invariants.py
new file mode 100644
index 0000000..fb93ff9
--- /dev/null
+++ b/backend/app/kernel/invariants.py
@@ -0,0 +1,52 @@
+"""Kernel 不可插拔不变量（lingtai-runtime.md §1 硬核例外）。
+
+M0 落地其中两条的可执行断言：
+- "模型可见即可重建"：投影中的每条模型可见消息必须能在事件日志（llm.requested）中找到；
+- 流一致性：llm.delta 事件重组文本必须与进入接纳检查的文本一致。
+
+镜树不变量（重生成不覆盖/未归真不入忆/归真不回滚）随 M2 镜树域落地时进入本模块；
+禁域裁决点随 M5 司命落地。断言失败即抛 ``InvariantViolation``：Kernel 视其为缺陷
+而非业务错误，Run 进入 interrupted 并带 HJ-9000 段错误码。
+"""
+
+from __future__ import annotations
+
+from app.modules.runtime.events import Event
+from app.shenshi_client.types import ShenshiChatRequest
+
+
+class InvariantViolation(Exception):
+    """Kernel 不变量被违反：缺陷信号，必须中断并留痕。"""
+
+    def __init__(self, invariant: str, detail: str) -> None:
+        super().__init__(f"[{invariant}] {detail}")
+        self.invariant = invariant
+        self.detail = detail
+
+
+def assert_model_visible_logged(
+    request: ShenshiChatRequest, events: list[Event]
+) -> None:
+    """投影消息 ⊆ 已记录的 llm.requested 消息（"模型可见即可重建"）。"""
+    requested = next((e for e in events if e.type == "llm.requested"), None)
+    if requested is None:
+        raise InvariantViolation(
+            "model-visible-means-logged", "存在模型请求但事件日志缺少 llm.requested"
+        )
+    logged = requested.payload.get("request", {}).get("messages", [])
+    if logged != [m.model_dump() for m in request.messages]:
+        raise InvariantViolation(
+            "model-visible-means-logged", "llm.requested 事件与实际发送的 IR 消息不一致"
+        )
+
+
+def assert_stream_reconstruction(events: list[Event], accepted_text: str) -> None:
+    """llm.delta 重组文本 == 进入接纳的文本（流不丢帧、不重帧）。"""
+    reconstructed = "".join(
+        e.payload.get("delta", "") for e in events if e.type == "llm.delta"
+    )
+    if reconstructed != accepted_text:
+        raise InvariantViolation(
+            "stream-reconstruction",
+            f"事件重组文本与接纳文本不一致：{len(reconstructed)} != {len(accepted_text)} 字符",
+        )
diff --git a/backend/app/kernel/loop.py b/backend/app/kernel/loop.py
new file mode 100644
index 0000000..e0d8abf
--- /dev/null
+++ b/backend/app/kernel/loop.py
@@ -0,0 +1,279 @@
+"""Kernel Run 循环骨架（M0 占位形态）。
+
+事件序列对应 docs/architecture/lingtai-runtime.md §3.1；瀑布节点可被插件否决。
+M0 的投影为固定占位（系统契约占位 + 用户输入），M2 起接入镜树祖先路径、获准记忆
+与显式引文三类来源。
+"""
+
+from __future__ import annotations
+
+import asyncio
+from dataclasses import replace
+from datetime import datetime, UTC
+from typing import Any
+
+from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker
+
+from app.core.ids import new_run_id, new_trace_id
+from app.kernel.eventlog import KernelEventLog
+from app.kernel.invariants import (
+    InvariantViolation,
+    assert_model_visible_logged,
+    assert_stream_reconstruction,
+)
+from app.kernel.seat import SeatManager
+from app.models.runtime import Run
+from app.runtime.bus import (
+    NODE_LLM_PRE_REQUEST,
+    NODE_RESULT_PRE_ACCEPT,
+    NODE_RUN_REQUESTED,
+    NODE_TURN_STARTED,
+    RunContext,
+    Veto,
+    WaterfallBus,
+)
+from app.runtime.profile import Profile, resolve_profile
+from app.shenshi_client.client import ShenshiClient
+from app.shenshi_client.types import ShenshiMessage, ShenshiChatRequest
+
+_SYSTEM_CONTRACT_PLACEHOLDER = "你是魂镜人物运行时（M0 骨架占位契约）。"
+
+
+class KernelRunLoop:
+    """单次 Run 的执行骨架：命台席位 → 事件序列 → 神识流 → 接纳断言。"""
+
+    def __init__(
+        self,
+        *,
+        event_log: KernelEventLog,
+        seats: SeatManager,
+        bus: WaterfallBus,
+        shenshi: ShenshiClient,
+        session_factory: async_sessionmaker[AsyncSession],
+        timeout_seconds: float,
+    ) -> None:
+        self._log = event_log
+        self._seats = seats
+        self._bus = bus
+        self._shenshi = shenshi
+        self._sessions = session_factory
+        self._timeout = timeout_seconds
+
+    async def execute(
+        self, *, run_id: str, character_id: str, prompt: str, trace_id: str | None = None
+    ) -> None:
+        trace = trace_id or new_trace_id()
+        try:
+            async with asyncio.timeout(self._timeout):
+                await self._execute(
+                    run_id=run_id, character_id=character_id, prompt=prompt, trace_id=trace
+                )
+        except TimeoutError:
+            await self._finish_interrupted(
+                run_id, character_id, trace, code="run_timeout", message="运行超时被中断"
+            )
+        except asyncio.CancelledError:
+            await self._emit(run_id, character_id, trace, "run.cancelled", visibility="public")
+            await self._update_run(run_id, status="cancelled")
+            raise
+
+    async def _execute(
+        self, *, run_id: str, character_id: str, prompt: str, trace_id: str
+    ) -> None:
+        ctx = RunContext(run_id=run_id, character_id=character_id, trace_id=trace_id)
+        try:
+            await self._bus.fire(NODE_RUN_REQUESTED, ctx)
+        except Veto as veto:
+            await self._record_veto(run_id, character_id, trace_id, veto)
+            await self._finish_interrupted(
+                run_id, character_id, trace_id, code="HJ-1301", message=veto.reason
+            )
+            return
+
+        await self._emit(run_id, character_id, trace_id, "run.queued")
+        async with self._seats.foreground(character_id):
+            await self._update_run(run_id, status="running")
+            await self._emit(run_id, character_id, trace_id, "run.started")
+            await self._turn(run_id, character_id, trace_id, prompt)
+
+    async def _turn(
+        self, run_id: str, character_id: str, trace_id: str, prompt: str
+    ) -> None:
+        ctx = RunContext(
+            run_id=run_id, character_id=character_id, trace_id=trace_id, payload={"prompt": prompt}
+        )
+        profile: Profile = resolve_profile()
+        await self._emit(run_id, character_id, trace_id, "turn.started")
+        await self._bus.fire(NODE_TURN_STARTED, ctx)
+
+        request = ShenshiChatRequest(
+            model=profile.params.get("model"),
+            slot=str(profile.params.get("slot", "chat")),
+            messages=[
+                ShenshiMessage(role="system", content=_SYSTEM_CONTRACT_PLACEHOLDER),
+                ShenshiMessage(role="user", content=prompt),
+            ],
+            run_id=run_id,
+            trace_id=trace_id,
+            character_id=character_id,
+        )
+        await self._emit(
+            run_id,
+            character_id,
+            trace_id,
+            "context.projected",
+            payload={
+                "profile": profile.snapshot(),
+                "sources": {"system_contract": "placeholder", "user_input": True},
+            },
+            visibility="internal",
+        )
+        try:
+            await self._bus.fire(NODE_LLM_PRE_REQUEST, ctx)
+        except Veto as veto:
+            await self._record_veto(run_id, character_id, trace_id, veto)
+            await self._finish_interrupted(
+                run_id, character_id, trace_id, code="HJ-1301", message=veto.reason
+            )
+            return
+
+        # "模型可见即可重建"锚点：完整 IR 请求进事件日志
+        await self._emit(
+            run_id,
+            character_id,
+            trace_id,
+            "llm.requested",
+            payload={"request": request.model_dump(mode="json")},
+            visibility="internal",
+        )
+
+        text_parts: list[str] = []
+        usage: dict[str, Any] = {}
+        try:
+            async for delta in self._shenshi.stream_chat(request):
+                if delta.delta:
+                    text_parts.append(delta.delta)
+                    await self._emit(
+                        run_id, character_id, trace_id, "llm.delta", payload={"delta": delta.delta}
+                    )
+                if delta.finish_reason:
+                    usage = {
+                        "prompt_tokens": delta.usage_prompt_tokens,
+                        "completion_tokens": delta.usage_completion_tokens,
+                        "finish_reason": delta.finish_reason,
+                    }
+        except Exception as exc:  # 神识侧失败：如实上报，不伪装完成
+            await self._emit(
+                run_id,
+                character_id,
+                trace_id,
+                "llm.failed",
+                payload={"error": str(exc)},
+                visibility="internal",
+            )
+            await self._finish_interrupted(
+                run_id, character_id, trace_id, code="HJ-2001", message=f"神识模型调用失败：{exc}"
+            )
+            return
+
+        await self._emit(run_id, character_id, trace_id, "llm.completed", payload={"usage": usage})
+
+        accepted_text = "".join(text_parts)
+        await self._bus.fire(
+            NODE_RESULT_PRE_ACCEPT, replace(ctx, payload={"result": accepted_text})
+        )
+        events = await self._log.list_by_run(run_id)
+        try:
+            assert_model_visible_logged(request, events)
+            assert_stream_reconstruction(events, accepted_text)
+        except InvariantViolation as violation:
+            await self._emit(
+                run_id,
+                character_id,
+                trace_id,
+                "run.invariant_violation",
+                payload={"invariant": violation.invariant, "detail": violation.detail},
+                visibility="audit",
+            )
+            await self._finish_interrupted(
+                run_id,
+                character_id,
+                trace_id,
+                code="HJ-9000",
+                message=f"Kernel 不变量违反：{violation.invariant}",
+            )
+            return
+
+        await self._emit(
+            run_id, character_id, trace_id, "result.accepted", payload={"content": accepted_text}
+        )
+        await self._emit(run_id, character_id, trace_id, "turn.finished")
+        await self._emit(run_id, character_id, trace_id, "run.finished")
+        await self._update_run(run_id, status="completed")
+
+    async def _record_veto(
+        self, run_id: str, character_id: str, trace_id: str, veto: Veto
+    ) -> None:
+        await self._emit(
+            run_id,
+            character_id,
+            trace_id,
+            "safety.ruled",
+            payload={"reason": veto.reason, "rule": veto.rule, "details": veto.details},
+            visibility="audit",
+        )
+
+    async def _finish_interrupted(
+        self,
+        run_id: str,
+        character_id: str,
+        trace_id: str,
+        *,
+        code: str,
+        message: str,
+    ) -> None:
+        await self._emit(run_id, character_id, trace_id, "run.interrupted")
+        await self._update_run(run_id, status="interrupted", error_code=code, error_message=message)
+
+    async def _emit(
+        self,
+        run_id: str,
+        character_id: str,
+        trace_id: str,
+        type: str,  # noqa: A002
+        payload: dict[str, Any] | None = None,
+        visibility: str = "public",
+    ) -> None:
+        await self._log.emit(
+            type=type,
+            run_id=run_id,
+            character_id=character_id,
+            trace_id=trace_id,
+            payload=payload,
+            visibility=visibility,
+        )
+
+    async def _update_run(
+        self,
+        run_id: str,
+        *,
+        status: str,
+        error_code: str | None = None,
+        error_message: str | None = None,
+    ) -> None:
+        async with self._sessions() as session:
+            run = await session.get(Run, run_id)
+            if run is None:
+                return
+            run.status = status
+            run.error_code = error_code
+            run.error_message = error_message
+            if status == "running":
+                run.started_at = datetime.now(UTC)
+            if status in ("completed", "failed", "cancelled", "interrupted"):
+                run.completed_at = datetime.now(UTC)
+            await session.commit()
+
+
+def new_kernel_run_id() -> str:
+    return new_run_id()
diff --git a/backend/app/kernel/seat.py b/backend/app/kernel/seat.py
new file mode 100644
index 0000000..a07dd52
--- /dev/null
+++ b/backend/app/kernel/seat.py
@@ -0,0 +1,44 @@
+"""命台席位控制：同一人物同一时刻只有一条前台意识流。
+
+M0 为进程内实现（单人物粒度 asyncio 锁 + 等待计数）；多副本部署在标准档
+切换 Redis 租约（lingtai-runtime.md §8），接口保持不变。
+"""
+
+from __future__ import annotations
+
+from collections import defaultdict
+from contextlib import asynccontextmanager
+from collections.abc import AsyncIterator
+import asyncio
+
+
+class SeatManager:
+    """人物粒度的前台席位。后台受托 Run（kind=background_task）不占席位。"""
+
+    def __init__(self) -> None:
+        self._locks: dict[str, asyncio.Lock] = {}
+        self._waiting: dict[str, int] = defaultdict(int)
+
+    def _lock(self, character_id: str) -> asyncio.Lock:
+        if character_id not in self._locks:
+            self._locks[character_id] = asyncio.Lock()
+        return self._locks[character_id]
+
+    @asynccontextmanager
+    async def foreground(self, character_id: str) -> AsyncIterator[None]:
+        """占用前台席位；同人物并发请求在此排队（Kernel 不变量 2）。"""
+        lock = self._lock(character_id)
+        if lock.locked():
+            self._waiting[character_id] += 1
+            try:
+                async with lock:
+                    yield
+            finally:
+                self._waiting[character_id] -= 1
+        else:
+            async with lock:
+                yield
+
+    def queue_depth(self, character_id: str) -> int:
+        """该人物当前排队等待前台席位的请求数（HJ-1101 附带信息）。"""
+        return self._waiting.get(character_id, 0)
diff --git a/backend/app/main.py b/backend/app/main.py
index bdb4d47..d257b8c 100644
--- a/backend/app/main.py
+++ b/backend/app/main.py
@@ -86,6 +86,18 @@ async def lifespan(_app: FastAPI) -> AsyncGenerator[None, None]:
     # 事件流与历史查询不依赖沙箱，始终可用。
     _app.state.event_store = DbEventStore(AsyncSessionLocal)
 
+    # Kernel（rewrite/1.0 M0）：极小硬核 + 事件日志 + 前台席位；神识客户端按配置装配，
+    # 未配置神识地址时为进程内回声桩（骨架形态，见 app.shenshi_client）。
+    from app.kernel import Kernel, KernelEventLog
+    from app.shenshi_client import build_shenshi_client
+
+    _app.state.kernel = Kernel(
+        shenshi=build_shenshi_client(settings.shenshi_base_url, settings.shenshi_service_token),
+        session_factory=AsyncSessionLocal,
+        event_log=KernelEventLog(_app.state.event_store),
+        timeout_seconds=float(settings.run_timeout_seconds),
+    )
+
     # ── MCP 进程管理器（stdio 子进程生命周期管理） ──────────────
     from app.integrations.mcp.process_manager import (
         ProcessManager,
diff --git a/backend/app/runtime/__init__.py b/backend/app/runtime/__init__.py
new file mode 100644
index 0000000..79053ce
--- /dev/null
+++ b/backend/app/runtime/__init__.py
@@ -0,0 +1,16 @@
+"""灵台插件化运行时（事件总线 / 插件 / Profile）。Kernel 见 ``app.kernel``。"""
+
+from app.runtime.bus import RunContext, Veto, WaterfallBus
+from app.runtime.plugin import Plugin, PluginRegistry
+from app.runtime.profile import Profile, ProfileLayer, resolve_profile
+
+__all__ = [
+    "Plugin",
+    "PluginRegistry",
+    "Profile",
+    "ProfileLayer",
+    "RunContext",
+    "Veto",
+    "WaterfallBus",
+    "resolve_profile",
+]
diff --git a/backend/app/runtime/bus.py b/backend/app/runtime/bus.py
new file mode 100644
index 0000000..530f607
--- /dev/null
+++ b/backend/app/runtime/bus.py
@@ -0,0 +1,79 @@
+"""运行时事件总线：瀑布节点 + 可否决监听器。
+
+设计依据 docs/architecture/lingtai-runtime.md §1/§2：注入、审计、安全都在事件层做，
+不改循环骨架。监听器按注册序执行；任一监听器抛 ``Veto`` 即中断该节点（否决），
+否决事实由调用方记录（safety.ruled 等事件），总线本身不落库。
+"""
+
+from __future__ import annotations
+
+import fnmatch
+from collections import defaultdict
+from collections.abc import Awaitable, Callable
+from dataclasses import dataclass, field
+from typing import Any
+
+# 瀑布节点名（契约词典 §8.3 的可否决子集）
+NODE_RUN_REQUESTED = "run.requested"
+NODE_TURN_STARTED = "turn.started"
+NODE_LLM_PRE_REQUEST = "llm.pre_request"
+NODE_TOOL_PRE_EXECUTE = "tool.pre_execute"
+NODE_RESULT_PRE_ACCEPT = "result.pre_accept"
+
+WATERFALL_NODES = frozenset(
+    {
+        NODE_RUN_REQUESTED,
+        NODE_TURN_STARTED,
+        NODE_LLM_PRE_REQUEST,
+        NODE_TOOL_PRE_EXECUTE,
+        NODE_RESULT_PRE_ACCEPT,
+    }
+)
+
+
+class Veto(Exception):
+    """监听器否决：携带裁决摘要（reason / 规则标识）。"""
+
+    def __init__(self, reason: str, *, rule: str = "", details: dict[str, Any] | None = None):
+        super().__init__(reason)
+        self.reason = reason
+        self.rule = rule
+        self.details = details or {}
+
+
+@dataclass(frozen=True)
+class RunContext:
+    """节点监听器可见的运行上下文（只读视图，变更经事件日志）。"""
+
+    run_id: str
+    character_id: str
+    trace_id: str | None = None
+    payload: dict[str, Any] = field(default_factory=dict)
+
+
+Listener = Callable[[str, RunContext], Awaitable[None]]
+
+
+class WaterfallBus:
+    """瀑布节点订阅与触发。"""
+
+    def __init__(self) -> None:
+        self._listeners: dict[str, list[Listener]] = defaultdict(list)
+
+    def on(self, node: str, listener: Listener) -> None:
+        """注册节点监听器；支持 glob 通配（如 ``llm.*``）。"""
+        if not any(fnmatch.fnmatch(node, pattern) for pattern in WATERFALL_NODES):
+            raise ValueError(f"未知瀑布节点：{node}")
+        self._listeners[node].append(listener)
+
+    async def fire(self, node: str, context: RunContext) -> None:
+        """按注册序触发监听器；任一否决即停止后续。
+
+        精确键与通配键（如 ``llm.*``）各自成列表，列表内保持注册序；
+        两种键之间的相对顺序不保证，需要严格顺序的场景用精确注册。
+        """
+        for key, listeners in self._listeners.items():
+            if key != node and not fnmatch.fnmatch(node, key):
+                continue
+            for listener in list(listeners):
+                await listener(node, context)
diff --git a/backend/app/runtime/plugin.py b/backend/app/runtime/plugin.py
new file mode 100644
index 0000000..357e51d
--- /dev/null
+++ b/backend/app/runtime/plugin.py
@@ -0,0 +1,42 @@
+"""插件契约与注册表。
+
+一切能力插件化（docs/architecture/lingtai-runtime.md §4）：插件只通过订阅瀑布节点
+与提供能力参与运行，彼此不直接调用。M0 只需注册表与装配骨架，首个真实插件（司命
+占位裁决器）随 M5 落地；禁域挂载点在 Kernel，不在插件。
+"""
+
+from __future__ import annotations
+
+from typing import Protocol, runtime_checkable
+
+from app.runtime.bus import WaterfallBus
+
+
+@runtime_checkable
+class Plugin(Protocol):
+    """插件契约：稳定标识 + 版本 + 注册入口。"""
+
+    @property
+    def name(self) -> str: ...
+
+    @property
+    def version(self) -> str: ...
+
+    def register(self, bus: WaterfallBus) -> None: ...
+
+
+class PluginRegistry:
+    """按注册序持有插件；同名插件后注册覆盖前注册（Profile 层叠语义）。"""
+
+    def __init__(self) -> None:
+        self._plugins: dict[str, Plugin] = {}
+
+    def register(self, plugin: Plugin) -> None:
+        self._plugins[plugin.name] = plugin
+
+    def bootstrap(self, bus: WaterfallBus) -> None:
+        for plugin in list(self._plugins.values()):
+            plugin.register(bus)
+
+    def names(self) -> list[str]:
+        return list(self._plugins)
diff --git a/backend/app/runtime/profile.py b/backend/app/runtime/profile.py
new file mode 100644
index 0000000..a8dd1ca
--- /dev/null
+++ b/backend/app/runtime/profile.py
@@ -0,0 +1,42 @@
+"""Profile：一次 Run 的插件装配清单与参数包。
+
+层叠顺序（产品 PRD §9.2 / lingtai-runtime.md §4.2）：
+平台硬边界 → 平台目录 → 用户偏好/BYOK → 人物覆写 → 镜树临时选择。
+M0 只有平台目录层；后续里程碑逐层接入。Profile 快照写入事件日志，保证可回放。
+"""
+
+from __future__ import annotations
+
+from dataclasses import dataclass, field
+from typing import Any
+
+
+@dataclass(frozen=True)
+class ProfileLayer:
+    """层叠中的一层：来源标识 + 参数（后者覆盖前者同键）。"""
+
+    source: str
+    params: dict[str, Any] = field(default_factory=dict)
+
+
+_PLATFORM_LAYER = ProfileLayer(source="platform", params={"slot": "chat"})
+
+
+@dataclass(frozen=True)
+class Profile:
+    """解析后的最终装配：插件名列表 + 合并参数。"""
+
+    plugins: tuple[str, ...] = ()
+    params: dict[str, Any] = field(default_factory=dict)
+
+    def snapshot(self) -> dict[str, Any]:
+        """写入 context.projected 事件的快照视图。"""
+        return {"plugins": list(self.plugins), "params": dict(self.params)}
+
+
+def resolve_profile(layers: list[ProfileLayer] | None = None) -> Profile:
+    """层叠解析：平台层恒在最底，逐层覆盖参数；M0 无插件装配。"""
+    merged: dict[str, Any] = {}
+    for layer in [_PLATFORM_LAYER, *(layers or [])]:
+        merged.update(layer.params)
+    return Profile(plugins=(), params=merged)
diff --git a/backend/app/services/event_bus.py b/backend/app/services/event_bus.py
index a82f7a2..4c37c1e 100644
--- a/backend/app/services/event_bus.py
+++ b/backend/app/services/event_bus.py
@@ -14,7 +14,15 @@ from collections import defaultdict
 
 from app.schemas.runtime import EventResponse
 
-_TERMINAL_EVENT_TYPES = {"run.completed", "run.failed", "run.cancelled"}
+# 终态事件：新旧两套运行时共用本总线转发 SSE；Kernel 契约（run.finished/run.interrupted）
+# 与旧运行时（run.completed/run.failed）的终态都在此登记
+_TERMINAL_EVENT_TYPES = {
+    "run.completed",
+    "run.failed",
+    "run.cancelled",
+    "run.finished",
+    "run.interrupted",
+}
 
 
 class RunEventBus:
diff --git a/backend/app/shenshi_client/__init__.py b/backend/app/shenshi_client/__init__.py
new file mode 100644
index 0000000..368bb0f
--- /dev/null
+++ b/backend/app/shenshi_client/__init__.py
@@ -0,0 +1,25 @@
+"""神识客户端边界（灵台唯一模型出口）。"""
+
+from app.shenshi_client.client import (
+    EchoShenshi,
+    HttpShenshiClient,
+    ShenshiClient,
+    build_shenshi_client,
+)
+from app.shenshi_client.types import (
+    ShenshiChatRequest,
+    ShenshiDelta,
+    ShenshiError,
+    ShenshiMessage,
+)
+
+__all__ = [
+    "EchoShenshi",
+    "HttpShenshiClient",
+    "ShenshiChatRequest",
+    "ShenshiClient",
+    "ShenshiDelta",
+    "ShenshiError",
+    "ShenshiMessage",
+    "build_shenshi_client",
+]
diff --git a/backend/app/shenshi_client/client.py b/backend/app/shenshi_client/client.py
new file mode 100644
index 0000000..5dcda1b
--- /dev/null
+++ b/backend/app/shenshi_client/client.py
@@ -0,0 +1,93 @@
+"""神识客户端：灵台唯一的模型出口边界。
+
+两种实现可互换（Protocol）：
+- ``HttpShenshiClient``：经 HTTP+SSE 调用 Go 神识服务（SHENSHI_BASE_URL 配置时启用）；
+- ``EchoShenshi``：进程内回声桩，逐字回流输入，供本地开发与测试在无神识时跑通端到端。
+
+领域模块禁止绕过本边界 import Provider SDK（docs/architecture/service-boundaries.md §4）。
+"""
+
+from __future__ import annotations
+
+import json
+from collections.abc import AsyncIterator
+from typing import Protocol
+
+import httpx
+
+from app.shenshi_client.types import ShenshiChatRequest, ShenshiDelta, ShenshiError
+
+
+class ShenshiClient(Protocol):
+    """神识数据面契约：流式对话补全。"""
+
+    def stream_chat(self, request: ShenshiChatRequest) -> AsyncIterator[ShenshiDelta]: ...
+
+
+class EchoShenshi:
+    """进程内回声桩：把最后一条用户消息按固定粒度切分回流。
+
+    只用于 M0 骨架验证（登录 → 占位 Run → SSE 端到端），不模拟任何 Provider 行为。
+    """
+
+    chunk_size = 8
+
+    async def stream_chat(self, request: ShenshiChatRequest) -> AsyncIterator[ShenshiDelta]:
+        prompt = next((m.content for m in reversed(request.messages) if m.role == "user"), "")
+        text = f"【回声桩】{prompt}"
+        for i in range(0, len(text), self.chunk_size):
+            yield ShenshiDelta(delta=text[i : i + self.chunk_size])
+        yield ShenshiDelta(
+            finish_reason="stop",
+            usage_prompt_tokens=max(len(prompt) // 4, 1),
+            usage_completion_tokens=max(len(text) // 4, 1),
+        )
+
+
+class HttpShenshiClient:
+    """HTTP+SSE 神识客户端。
+
+    认证：服务令牌经 ``Authorization: Bearer`` 透传（管理面 RBAC 不在此层）。
+    流解析：``data:`` 帧为 ShenshiDelta JSON，``[DONE]`` 结束；非 2xx 映射 ShenshiError。
+    """
+
+    def __init__(self, base_url: str, service_token: str, timeout: float = 120.0) -> None:
+        self._base_url = base_url.rstrip("/")
+        self._headers = {"Authorization": f"Bearer {service_token}"} if service_token else {}
+        self._timeout = timeout
+
+    async def stream_chat(self, request: ShenshiChatRequest) -> AsyncIterator[ShenshiDelta]:
+        payload = request.model_dump(mode="json")
+        assert payload.get("stream") is True  # 数据面当前只有流式形态
+        async with httpx.AsyncClient(trust_env=False, timeout=self._timeout) as client:
+            async with client.stream(
+                "POST",
+                f"{self._base_url}/v1/chat/completions",
+                json=payload,
+                headers=self._headers,
+            ) as response:
+                if response.status_code >= 400:
+                    body = (await response.aread()).decode("utf-8", errors="replace")
+                    code = f"HJ-2{max(response.status_code - 400, 0):03d}"
+                    try:
+                        detail = json.loads(body)
+                        code = detail.get("error", {}).get("code", code)
+                        body = detail.get("error", {}).get("message", body)
+                    except json.JSONDecodeError:
+                        pass
+                    raise ShenshiError(code, body)
+                async for line in response.aiter_lines():
+                    if not line.startswith("data:"):
+                        continue
+                    data = line[len("data:") :].strip()
+                    if data == "[DONE]":
+                        return
+                    if data:
+                        yield ShenshiDelta.model_validate_json(data)
+
+
+def build_shenshi_client(base_url: str, service_token: str) -> ShenshiClient:
+    """按配置装配客户端：未配置神识地址时降级为回声桩（M0 骨架形态）。"""
+    if base_url:
+        return HttpShenshiClient(base_url, service_token)
+    return EchoShenshi()
diff --git a/backend/app/shenshi_client/types.py b/backend/app/shenshi_client/types.py
new file mode 100644
index 0000000..890e6ff
--- /dev/null
+++ b/backend/app/shenshi_client/types.py
@@ -0,0 +1,63 @@
+"""神识客户端边界类型：灵台 → 神识的版本化 IR。
+
+对应 docs/architecture/shenshi-gateway.md §5：灵台只发送内部 IR，不感知 Provider 方言。
+"""
+
+from __future__ import annotations
+
+from typing import Literal
+
+from pydantic import BaseModel, ConfigDict, Field
+
+Role = Literal["system", "user", "assistant", "tool"]
+
+
+class ShenshiMessage(BaseModel):
+    """IR 消息。tool 消息须携带 tool_call_id，与 tool_calls 配对不拆散。"""
+
+    model_config = ConfigDict(extra="forbid")
+
+    role: Role
+    content: str
+    tool_call_id: str | None = None
+    name: str | None = None
+
+
+class ShenshiChatRequest(BaseModel):
+    """版本化模型请求（IR 入站）。
+
+    逻辑模型与能力槽位解耦：默认按 ``slot`` 解析，``model`` 为人物覆写或镜树临时选择。
+    """
+
+    model_config = ConfigDict(extra="forbid")
+
+    ir_version: int = 1
+    slot: str = "chat"
+    model: str | None = None
+    messages: list[ShenshiMessage]
+    run_id: str
+    trace_id: str | None = None
+    character_id: str | None = None
+    temperature: float | None = None
+    max_tokens: int | None = None
+    stream: bool = True
+
+
+class ShenshiDelta(BaseModel):
+    """神识标准化流的增量事件（与 Provider 方言无关）。"""
+
+    model_config = ConfigDict(extra="forbid")
+
+    delta: str = ""
+    finish_reason: str | None = None
+    usage_prompt_tokens: int | None = None
+    usage_completion_tokens: int | None = None
+
+
+class ShenshiError(Exception):
+    """神识侧错误：携带契约错误码（HJ-2xxx，见契约词典 §15）。"""
+
+    def __init__(self, code: str, message: str) -> None:
+        super().__init__(message)
+        self.code = code
+        self.message = message
diff --git a/backend/tests/test_kernel.py b/backend/tests/test_kernel.py
new file mode 100644
index 0000000..42f9b69
--- /dev/null
+++ b/backend/tests/test_kernel.py
@@ -0,0 +1,166 @@
+"""Kernel M0 骨架测试。
+
+覆盖 rewrite-plan M0 验收的核心面：
+- 事件序列完整且有序（run.queued → run.started → … → run.finished）；
+- 命台席位：同人物第二个前台 Run 排队，其 run.started 晚于第一个的 run.finished；
+- 瀑布否决：llm.pre_request 否决 → safety.ruled + run.interrupted（HJ-1301），无 llm.delta；
+- 不变量断言：流重组不一致即 InvariantViolation；
+- SSE 端到端：POST /runs → GET /runs/{id}/stream 读到 run.finished 终态。
+"""
+
+from __future__ import annotations
+
+import asyncio
+from collections.abc import AsyncGenerator, AsyncIterator
+
+import httpx
+import pytest
+from httpx import ASGITransport, AsyncClient
+
+from app.db.session import AsyncSessionLocal
+from app.kernel import Kernel, KernelEventLog
+from app.kernel.invariants import InvariantViolation, assert_stream_reconstruction
+from app.modules.runtime.events import Event
+from app.runtime.bus import Veto
+from app.services.event_store import DbEventStore
+from app.shenshi_client import EchoShenshi, ShenshiDelta
+
+
+class SlowEchoShenshi(EchoShenshi):
+    """带延迟的回声桩：让命台排队与 SSE 流时序可观测。"""
+
+    delay: float = 0.15
+
+    async def stream_chat(self, request) -> AsyncIterator[ShenshiDelta]:  # noqa: ANN001
+        async for delta in super().stream_chat(request):
+            await asyncio.sleep(self.delay)
+            yield delta
+
+
+@pytest.fixture
+async def kernel_runtime(monkeypatch: pytest.MonkeyPatch) -> AsyncGenerator[Kernel, None]:
+    """手工装配 Kernel 到 app.state（测试不经 lifespan，与既有测试做法一致）。"""
+    from app.main import app
+
+    event_store = DbEventStore(AsyncSessionLocal)
+    kernel = Kernel(
+        shenshi=SlowEchoShenshi(),
+        session_factory=AsyncSessionLocal,
+        event_log=KernelEventLog(event_store),
+        timeout_seconds=10.0,
+    )
+    app.state.kernel = kernel
+    yield kernel
+    app.state.kernel = None
+
+
+@pytest.fixture
+async def kernel_client(
+    kernel_runtime: Kernel, auth_headers: dict[str, str]
+) -> AsyncGenerator[AsyncClient, None]:
+    from app.main import app
+
+    transport = ASGITransport(app=app)
+    async with AsyncClient(transport=transport, base_url="http://test", headers=auth_headers) as c:
+        yield c
+
+
+async def _wait_status(client: AsyncClient, run_id: str, target: set[str]) -> dict:
+    for _ in range(500):
+        resp = await client.get(f"/api/v1/runs/{run_id}")
+        body = resp.json()
+        if body["status"] in target:
+            return body
+        await asyncio.sleep(0.02)
+    raise AssertionError(f"Run 未到达终态：{run_id}")
+
+
+async def _events(client: AsyncClient, run_id: str) -> list[dict]:
+    resp = await client.get(f"/api/v1/runs/{run_id}/events")
+    assert resp.status_code == 200
+    return resp.json()
+
+
+async def test_placeholder_run_event_sequence(kernel_client: AsyncClient) -> None:
+    created = await kernel_client.post("/api/v1/runs", json={"prompt": "你好"})
+    assert created.status_code == 200
+    run_id = created.json()["id"]
+    final = await _wait_status(kernel_client, run_id, {"completed"})
+    assert final["origin"] == "kernel"
+
+    types = [e["type"] for e in await _events(kernel_client, run_id)]
+    assert types[0] == "run.queued"
+    assert "run.started" in types
+    order = {t: types.index(t) for t in ["run.started", "context.projected", "llm.requested", "llm.completed", "result.accepted", "run.finished"]}
+    assert order["run.started"] < order["context.projected"] < order["llm.requested"]
+    assert order["llm.completed"] < order["result.accepted"] < order["run.finished"]
+    assert types[-1] == "run.finished"
+    assert types.count("llm.delta") >= 1
+
+    # "模型可见即可重建"：llm.requested 事件携带完整 IR 消息
+    requested = next(e for e in await _events(kernel_client, run_id) if e["type"] == "llm.requested")
+    messages = requested["payload"]["request"]["messages"]
+    assert messages[-1]["content"] == "你好"
+
+
+async def test_seat_serializes_foreground(kernel_client: AsyncClient) -> None:
+    first = (await kernel_client.post("/api/v1/runs", json={"prompt": "第一个"})).json()
+    second = (await kernel_client.post("/api/v1/runs", json={"prompt": "第二个"})).json()
+    await _wait_status(kernel_client, first["id"], {"completed"})
+    await _wait_status(kernel_client, second["id"], {"completed"})
+
+    def interval(events: list[dict]) -> tuple[str, str]:
+        started = next(e["created_at"] for e in events if e["type"] == "run.started")
+        finished = next(e["created_at"] for e in events if e["type"] == "run.finished")
+        return started, finished
+
+    start1, finish1 = interval(await _events(kernel_client, first["id"]))
+    start2, finish2 = interval(await _events(kernel_client, second["id"]))
+    # 同人物前台串行：两个执行区间不相交（谁先谁后由调度决定）
+    late_start, early_finish = max(start1, start2), min(finish1, finish2)
+    assert late_start >= early_finish
+
+
+async def test_veto_interrupts_run(
+    kernel_runtime: Kernel, kernel_client: AsyncClient
+) -> None:
+    async def veto_llm(node: str, context) -> None:  # noqa: ANN001, ARG001
+        raise Veto("测试否决：禁止本次模型调用", rule="test_rule")
+
+    kernel_runtime.bus.on("llm.pre_request", veto_llm)
+    try:
+        created = await kernel_client.post("/api/v1/runs", json={"prompt": "被否决"})
+        run_id = created.json()["id"]
+        final = await _wait_status(kernel_client, run_id, {"interrupted"})
+        assert final["error_code"] == "HJ-1301"
+        types = [e["type"] for e in await _events(kernel_client, run_id)]
+        assert "safety.ruled" in types
+        assert "llm.delta" not in types
+        assert types[-1] == "run.interrupted"
+    finally:
+        kernel_runtime.bus._listeners.pop("llm.pre_request", None)  # noqa: SLF001
+
+
+def test_stream_reconstruction_invariant() -> None:
+    def ev(delta: str) -> Event:
+        return Event(type="llm.delta", source="kernel", payload={"delta": delta})
+
+    assert_stream_reconstruction([ev("你"), ev("好")], "你好")
+    with pytest.raises(InvariantViolation):
+        assert_stream_reconstruction([ev("你"), ev("好")], "你好吗")
+
+
+async def test_sse_stream_end_to_end(kernel_client: AsyncClient) -> None:
+    created = await kernel_client.post("/api/v1/runs", json={"prompt": "流式验证"})
+    run_id = created.json()["id"]
+    seen_types: list[str] = []
+    async with kernel_client.stream("GET", f"/api/v1/runs/{run_id}/stream") as response:
+        assert response.status_code == 200
+        async for line in response.aiter_lines():
+            if line.startswith("event:"):
+                seen_types.append(line[len("event:") :].strip())
+            if line.startswith("data:") and '"run.finished"' in line:
+                break
+    assert "run.started" in seen_types
+    assert "llm.delta" in seen_types
+    assert "run.finished" in seen_types