初始化提交

backend/app/models/runtime.py

@@ -0,0 +1,55 @@
+"""运行时 Run/Event 模型。"""
+
+from datetime import datetime
+
+from sqlalchemy import DateTime, ForeignKey, Integer, String, Text, UniqueConstraint
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.core.ids import new_event_id, new_run_id
+from app.core.time import utc_now
+from app.db.base import Base
+
+
+class Run(Base):
+    __tablename__ = "runs"
+
+    id: Mapped[str] = mapped_column(String(80), primary_key=True, default=new_run_id)
+    character_id: Mapped[str] = mapped_column(String(80), ForeignKey("characters.id"), index=True)
+    session_id: Mapped[str | None] = mapped_column(
+        String(80), ForeignKey("chat_sessions.id"), index=True
+    )
+    status: Mapped[str] = mapped_column(String(40), nullable=False, default="queued", index=True)
+    goal: Mapped[str | None] = mapped_column(String(300))
+    origin: Mapped[str] = mapped_column(String(40), nullable=False, default="chat")
+    model_hint: Mapped[str | None] = mapped_column(String(120))
+    started_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
+    completed_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
+    error_code: Mapped[str | None] = mapped_column(String(80))
+    error_message: Mapped[str | None] = mapped_column(Text)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=utc_now)
+    updated_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True), default=utc_now, onupdate=utc_now
+    )
+
+
+class Event(Base):
+    __tablename__ = "events"
+    __table_args__ = (UniqueConstraint("run_id", "sequence", name="uq_events_run_sequence"),)
+
+    id: Mapped[str] = mapped_column(String(80), primary_key=True, default=new_event_id)
+    character_id: Mapped[str | None] = mapped_column(
+        String(80), ForeignKey("characters.id"), index=True, nullable=True
+    )
+    run_id: Mapped[str | None] = mapped_column(
+        String(80), ForeignKey("runs.id"), index=True, nullable=True
+    )
+    type: Mapped[str] = mapped_column(String(80), nullable=False, index=True)
+    source: Mapped[str] = mapped_column(String(40), nullable=False, default="system")
+    payload_json: Mapped[str] = mapped_column(Text, nullable=False, default="{}")
+    visibility: Mapped[str] = mapped_column(String(40), nullable=False, default="public")
+    sensitivity: Mapped[str] = mapped_column(String(40), nullable=False, default="low")
+    trace_id: Mapped[str | None] = mapped_column(String(80), index=True)
+    parent_id: Mapped[str | None] = mapped_column(String(80))
+    sequence: Mapped[int] = mapped_column(Integer, nullable=False)
+    evidence_ids_json: Mapped[str] = mapped_column(Text, nullable=False, default="[]")
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=utc_now)