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"""人格服务。"""
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from __future__ import annotations
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from typing import Any
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from pydantic import BaseModel
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.core.config import settings
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from app.core.errors import AppError
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from app.core.time import utc_now
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from app.db.session import AsyncSessionLocal
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from app.models.character import Character
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from app.models.personality import PersonalityProposal, PersonalityVersion
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from app.repositories import personality as personality_repo
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from app.repositories.json_utils import dumps, loads_dict
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from app.schemas.common import Page
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from app.schemas.personality import (
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PersonalityProposalFields,
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PersonalityProposalResponse,
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PersonalityResponse,
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)
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from app.services.audit import record_audit_event
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from app.services.characters import get_active_character_model
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from app.services.serializers import personality_to_response, proposal_to_response
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async def get_current_personality(
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owner_scope: str = settings.default_owner_scope,
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) -> PersonalityResponse:
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async with AsyncSessionLocal() as session:
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character = await get_active_character_model(session, owner_scope)
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personality = None
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if character.current_personality_version_id:
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personality = await personality_repo.get_personality(
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session, character.current_personality_version_id
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)
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if personality is None:
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personality = await personality_repo.get_latest_personality(session, character.id)
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if personality is None:
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raise AppError("not_found", "未找到当前人格版本。")
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return personality_to_response(personality)
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async def list_personality_versions(
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*,
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character_id: str | None = None,
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page: int = 1,
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page_size: int = 20,
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owner_scope: str = settings.default_owner_scope,
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) -> Page[PersonalityResponse]:
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"""人格版本历史（按版本号倒序）；character_id 省略时取当前激活人物。"""
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async with AsyncSessionLocal() as session:
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cid = character_id
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if cid is None:
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character = await get_active_character_model(session, owner_scope)
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cid = character.id
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items, total = await personality_repo.list_personality_versions(
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session, cid, page=page, page_size=page_size
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)
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return Page(
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items=[personality_to_response(item) for item in items],
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page=page,
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page_size=page_size,
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total=total,
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)
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async def list_personality_proposals(
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*,
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character_id: str | None = None,
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status: str | None = None,
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page: int = 1,
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page_size: int = 20,
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owner_scope: str = settings.default_owner_scope,
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) -> Page[PersonalityProposalResponse]:
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"""人格修改建议列表（按创建时间倒序）；character_id 省略取当前激活人物。待审审批墙数据源。"""
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async with AsyncSessionLocal() as session:
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cid = character_id
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if cid is None:
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cid = (await get_active_character_model(session, owner_scope)).id
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items, total = await personality_repo.list_proposals(
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session, character_id=cid, status=status, page=page, page_size=page_size
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)
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return Page(
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items=[proposal_to_response(item) for item in items],
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page=page,
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page_size=page_size,
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total=total,
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)
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class PersonalitySummary(BaseModel):
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"""人格摘要（注入 RuntimeContract 上下文）。"""
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text: str | None = None
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async def build_personality_summary(
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session: AsyncSession,
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character: Character,
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) -> PersonalitySummary:
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"""组装当前人格摘要文本；无人格时返回空。"""
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personality = None
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if character.current_personality_version_id:
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personality = await personality_repo.get_personality(
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session, character.current_personality_version_id
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)
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if personality is None:
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personality = await personality_repo.get_latest_personality(session, character.id)
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if personality is None:
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return PersonalitySummary()
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text = "\n".join(
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item
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for item in [
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f"身份：{personality.identity_profile}",
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f"角色使命：{personality.role_destiny}",
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f"性格种子：{personality.personality_seed}",
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f"表达风格：{personality.expression_style}",
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f"关系模式：{personality.relationship_pattern}",
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]
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if item and not item.endswith("：")
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)
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return PersonalitySummary(text=text)
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async def create_default_personality(
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session: AsyncSession, character_id: str
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) -> PersonalityVersion:
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"""创建通用默认人格版本（无 profile 数据时的兜底）。"""
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personality = PersonalityVersion(
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character_id=character_id,
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version=1,
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identity_profile="魂镜是一个本地运行的数字生命雏形，当前专注于文本对话、记忆和自我描述。",
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role_destiny="作为用户的长期陪伴与认知镜像，先从稳定、可信、可审计的对话开始。",
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personality_seed="温和、诚实、克制、重视隐私与事实边界。",
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traits=dumps({"warmth": 0.8, "curiosity": 0.6, "caution": 0.7}),
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expression_style="使用中文，表达清晰，避免夸大能力。",
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values=dumps({"privacy": "high", "truthfulness": "high", "companionship": "medium"}),
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relationship_pattern="尊重用户边界，以可解释和可撤回的方式建立长期记忆。",
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emotion_baseline=dumps({"mood": "neutral", "intensity": 0.2}),
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reason="system_seed",
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evidence_ids_json=dumps([]),
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created_by="system",
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)
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session.add(personality)
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await session.flush()
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return personality
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async def create_personality_from_profile(
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session: AsyncSession, character: Character
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) -> PersonalityVersion:
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"""从人物档案（profile_json）生成个性化人格版本；profile 为空时回退到默认人格。
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映射规则（profile 字段 → PersonalityVersion 字段）：
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- description + background → identity_profile
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- speaking_style → expression_style
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- temperament → personality_seed
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- values → values
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- hobbies → 参与关系模式描述的构建
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"""
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profile = loads_dict(character.profile_json) if character.profile_json else {}
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if not profile:
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return await create_default_personality(session, character.id)
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# 身份画像：description + background
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description = profile.get("description", "")
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background = profile.get("background", "")
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identity_parts = [p for p in [description, background] if p]
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identity_profile = (
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identity_parts[0]
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if len(identity_parts) == 1
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else ("。".join(identity_parts) if identity_parts else "魂镜默认人物。")
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)
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# 表达风格
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expression_style = profile.get("speaking_style", "使用中文，表达清晰。")
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# 性格种子
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personality_seed = profile.get("temperament", "温和、诚实、克制。")
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# 价值偏好
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values_list = profile.get("values", [])
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values_dict: dict[str, Any] = (
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{"values": list(values_list)}
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if values_list
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else {"privacy": "high", "truthfulness": "high", "companionship": "medium"}
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)
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# 关系模式：若有兴趣爱好则融入描述
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hobbies = profile.get("hobbies", [])
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if hobbies and isinstance(hobbies, list) and len(hobbies) > 0:
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hobby_text = "、".join(str(h) for h in hobbies[:3])
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relationship_pattern = f"乐于分享关于{hobby_text}等的见解，以开放与尊重建立对话。"
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else:
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relationship_pattern = "以开放与尊重建立关系。"
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# 角色使命
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role_destiny = f"{description}，陪伴用户探索与成长。" if description else "陪伴用户探索与成长。"
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personality = PersonalityVersion(
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character_id=character.id,
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version=1,
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identity_profile=identity_profile,
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role_destiny=role_destiny,
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personality_seed=personality_seed,
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traits=dumps({"warmth": 0.8, "curiosity": 0.6, "caution": 0.7}),
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expression_style=expression_style,
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values=dumps(values_dict),
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relationship_pattern=relationship_pattern,
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emotion_baseline=dumps({"mood": "neutral", "intensity": 0.2}),
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reason="system_seed",
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evidence_ids_json=dumps([]),
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created_by="system",
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)
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session.add(personality)
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await session.flush()
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return personality
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async def copy_personality_to_character(
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session: AsyncSession,
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template_personality: PersonalityVersion,
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target_character_id: str,
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) -> PersonalityVersion:
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personality = PersonalityVersion(
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character_id=target_character_id,
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version=1,
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identity_profile=template_personality.identity_profile,
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role_destiny=template_personality.role_destiny,
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personality_seed=template_personality.personality_seed,
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traits=template_personality.traits,
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expression_style=template_personality.expression_style,
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values=template_personality.values,
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relationship_pattern=template_personality.relationship_pattern,
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emotion_baseline=template_personality.emotion_baseline,
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reason="system_template_copy",
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evidence_ids_json=template_personality.evidence_ids_json,
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created_by="system",
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)
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session.add(personality)
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await session.flush()
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return personality
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# —— 人格修改建议与版本回滚（api-spec §11） ——
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#
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# 本地单用户边界下「手动编辑视为用户确认」（§5.1），但人格属核心资源（L4），
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# 仍走「提议 pending → 审核」两步：propose 落 pending 建议，approve 派生新版本，
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# reject 仅留痕；rollback 切换当前指针。所有写操作记审计并入起居注。
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async def propose_personality_update(
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*,
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character_id: str | None,
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fields: PersonalityProposalFields,
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reason: str,
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owner_scope: str = settings.default_owner_scope,
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) -> PersonalityProposalResponse:
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"""提交人格修改建议；落 pending 提议并记审计，不直接写入人格版本。"""
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if not fields.has_any():
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raise AppError("invalid_request", "fields 至少需要覆盖一个人格字段。")
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async with AsyncSessionLocal() as session:
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cid = character_id
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if cid is None:
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cid = (await get_active_character_model(session, owner_scope)).id
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proposal = PersonalityProposal(
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character_id=cid,
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fields_json=dumps(fields.model_dump(exclude_none=True)),
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reason=reason,
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status="pending",
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)
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await personality_repo.add_proposal(session, proposal)
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await record_audit_event(
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session,
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action="personality.propose",
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actor="user",
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risk_level="L4",
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character_id=cid,
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input_summary=reason,
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resource_type="personality_proposal",
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resource_id=proposal.id,
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)
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await session.commit()
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await session.refresh(proposal)
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return proposal_to_response(proposal)
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async def approve_personality_proposal(
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proposal_id: str,
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owner_scope: str = settings.default_owner_scope, # noqa: ARG001
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) -> PersonalityProposalResponse:
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"""审核通过人格建议：基于当前最新版本派生新版本并切换人物当前指针。"""
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async with AsyncSessionLocal() as session:
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proposal = await personality_repo.get_proposal(session, proposal_id)
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if proposal is None:
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raise AppError("not_found", "人格建议不存在。")
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if proposal.status != "pending":
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raise AppError("conflict", f"人格建议当前状态为 {proposal.status}，不可审核。")
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base = await personality_repo.get_latest_personality(session, proposal.character_id)
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if base is None:
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raise AppError("invalid_request", "人物尚无人格版本，无法应用建议。")
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new_version = derive_personality_version(
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base, loads_dict(proposal.fields_json), reason=f"proposal:{proposal.id}"
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)
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session.add(new_version)
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await session.flush()
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character = await session.get(Character, proposal.character_id)
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if character is None:
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raise AppError("not_found", "人物不存在。")
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character.current_personality_version_id = new_version.id
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proposal.status = "applied"
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proposal.resulting_version_id = new_version.id
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proposal.reviewed_at = utc_now()
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proposal.reviewed_by = "user"
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await record_audit_event(
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session,
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action="personality.proposal.approved",
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actor="user",
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risk_level="L4",
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decision="approved",
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character_id=proposal.character_id,
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input_summary=proposal.reason,
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output_summary=f"已生成版本 v{new_version.version}",
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resource_type="personality_proposal",
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resource_id=proposal.id,
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)
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await session.commit()
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await session.refresh(proposal)
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return proposal_to_response(proposal)
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async def reject_personality_proposal(
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proposal_id: str,
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owner_scope: str = settings.default_owner_scope, # noqa: ARG001
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) -> PersonalityProposalResponse:
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"""驳回人格建议；标记 rejected 并记审计，不生成新版本。"""
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async with AsyncSessionLocal() as session:
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proposal = await personality_repo.get_proposal(session, proposal_id)
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if proposal is None:
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raise AppError("not_found", "人格建议不存在。")
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if proposal.status != "pending":
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raise AppError("conflict", f"人格建议当前状态为 {proposal.status}，不可审核。")
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proposal.status = "rejected"
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proposal.reviewed_at = utc_now()
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proposal.reviewed_by = "user"
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await record_audit_event(
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session,
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action="personality.proposal.rejected",
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actor="user",
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risk_level="L4",
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decision="denied",
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character_id=proposal.character_id,
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input_summary=proposal.reason,
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resource_type="personality_proposal",
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resource_id=proposal.id,
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)
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await session.commit()
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await session.refresh(proposal)
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return proposal_to_response(proposal)
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async def rollback_personality(
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*,
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character_id: str | None,
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version_id: str,
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owner_scope: str = settings.default_owner_scope,
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) -> PersonalityResponse:
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"""回滚到指定人格版本：切换人物当前指针，标记被取代的旧版本 rolled_back_at。"""
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async with AsyncSessionLocal() as session:
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cid = character_id
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if cid is None:
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cid = (await get_active_character_model(session, owner_scope)).id
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target = await personality_repo.get_personality(session, version_id)
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if target is None or target.character_id != cid:
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raise AppError("not_found", "人格版本不存在或不属于当前人物。")
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character = await session.get(Character, cid)
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if character is None:
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raise AppError("not_found", "人物不存在。")
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previous_id = character.current_personality_version_id
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character.current_personality_version_id = target.id
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if previous_id and previous_id != target.id:
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previous = await personality_repo.get_personality(session, previous_id)
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if previous is not None:
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previous.rolled_back_at = utc_now()
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await record_audit_event(
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session,
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action="personality.rollback",
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actor="user",
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risk_level="L4",
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decision="approved",
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character_id=cid,
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input_summary=f"{previous_id} → {target.id}",
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resource_type="personality_version",
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resource_id=target.id,
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)
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await session.commit()
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return personality_to_response(target)
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def derive_personality_version(
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base: PersonalityVersion,
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overrides: dict[str, Any],
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*,
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reason: str,
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created_by: str = "user",
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) -> PersonalityVersion:
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"""基于 base 版本与字段覆盖派生新版本；JSON 字段按 dict 序列化落库。
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公开供人格提议审核与大周天演化派生复用（见 services.evolution）。
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"""
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kwargs: dict[str, Any] = {
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"character_id": base.character_id,
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"version": base.version + 1,
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"reason": reason,
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"evidence_ids_json": base.evidence_ids_json,
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"created_by": created_by,
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}
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for field in (
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"identity_profile",
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"role_destiny",
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"personality_seed",
|
||||
"expression_style",
|
||||
"relationship_pattern",
|
||||
):
|
||||
kwargs[field] = overrides.get(field, getattr(base, field))
|
||||
for field in ("traits", "values", "emotion_baseline"):
|
||||
kwargs[field] = dumps(overrides[field]) if field in overrides else getattr(base, field)
|
||||
return PersonalityVersion(**kwargs)
|
||||
Reference in new issue
Block a user