排查飞书机器人重复回复问题」 note: wait must be 18

AGENTS.md

@@ -16,7 +16,12 @@
 
 3. **数据库规范**：使用 SQLAlchemy 2.0，所有模型继承 Base 基类，必须包含 `tenant_id` 字段，所有查询必须自动过滤 `tenant_id`（使用依赖注入实现）。
 
-4. **AI 能力规范**：所有 AI 能力必须封装在独立的 service 层，使用 LangChain 实现，Prompt 放在 `./backend/app/config/ai_prompts.py` 独立管理，禁止硬编码。
+4. **AI 能力规范**：
+   - 所有 AI 能力必须封装在独立的 service 层
+   - AI 能力通过 OpenClaw 路由层调用
+   - 路由规则参考 `backend/.openclaw/pmflow-routing-rules.json`
+   - Prompt 放在 `./backend/app/config/ai_prompts.py` 独立管理
+   - 禁止直接硬编码模型名称
 
 5. **AI 调用规范**：所有 AI 调用必须：
    - 记录日志到 `ai_call_logs` 表
@@ -98,12 +103,37 @@ frontend/                  # React 前端
 
 - 飞书回调字段可能缺失文件名/大小，仅保证 `attachment_id/key/type` 可用
 - `agents.defaults.timeoutSeconds` 在 OpenClaw 网关行为未验证，当前以 `LLM_REQUEST_TIMEOUT` 环境变量为准
-- World Model 每次全量构建，高负载场景下存在性能风险，暂未缓存，改动前需评估影响
+- World Model 静态层已接入 Redis 缓存（key: `wm:static:{tenant_id}:{project_id}`，TTL 600s）
+- 写操作后主动 invalidate，动态层不缓存
 
 ## 12. 前端组件约束
 
 - `ui/` 目录下组件禁止修改，仅使用
-- `sstc/` 目录下组件已模块化拆分，修改前必须执行 `FIND_USAGE`
+- `frontend/src/components/sstc/` 目录已模块化拆分，新增文件与职责如下：
+  - `SSTCCharterStagePanel.tsx`：宪章阶段主面板（内容编辑、版本/状态展示）
+  - `SSTCExecutionBoardPanel.tsx`：执行看板阶段主面板（执行视图聚合）
+  - `SSTCReleaseCreateDialog.tsx`：发布创建弹窗
+  - `SSTCReleaseStagePanel.tsx`：发布阶段主面板（发布列表与校验项）
+  - `SSTCReviewCreateDialog.tsx`：复盘创建弹窗
+  - `SSTCReviewStagePanel.tsx`：复盘阶段主面板（复盘内容与改进项）
+  - `SSTCSignalStagePanel.tsx`：信号阶段主面板（信号录入/状态流转）
+  - `SSTCTaskCreateDialog.tsx`：任务创建弹窗
+  - `SSTCTaskStagePanel.tsx`：任务阶段主面板（任务列表、筛选、状态流转）
+  - `sstcUtils.ts`：SSTC 跨阶段工具函数与转换逻辑
+  - `useSSTCWorkspaceOrchestration.ts`：SSTC 工作区编排 Hook（状态聚合、事件编排、数据装配）
+- 修改前必须执行 `FIND_USAGE` 的组件/模块清单（强制）：
+  - `SSTCWorkspace.tsx`
+  - `useSSTCWorkspaceOrchestration.ts`
+  - `sstcUtils.ts`
+  - `SSTCCharterStagePanel.tsx`
+  - `SSTCSignalStagePanel.tsx`
+  - `SSTCTaskStagePanel.tsx`
+  - `SSTCExecutionBoardPanel.tsx`
+  - `SSTCReleaseStagePanel.tsx`
+  - `SSTCReviewStagePanel.tsx`
+  - `SSTCReleaseCreateDialog.tsx`
+  - `SSTCReviewCreateDialog.tsx`
+  - `SSTCTaskCreateDialog.tsx`
 - 新增业务组件放入对应功能目录，禁止在 `pages/` 内写内联组件
 - 样式只用 Tailwind utility class，禁止内联 `style`
 
@@ -112,3 +142,36 @@ frontend/                  # React 前端
 - 后端改动：`python -m py_compile` 通过 + 相关单测通过
 - 前端改动：`npm run build` 通过 + `tsc --noEmit` 零错误
 - 新增接口：必须在 `backend/tests/` 补充对应单测
+
+## 14. 文档同步规则（强制）
+
+每次任务完成后，若以下内容发生变化，必须同步更新 `CLAUDE.md` 对应章节：
+
+- 新增/删除/重命名文件或目录
+  → 更新第3-5节目录结构
+- 新增/修改服务边界或禁止操作
+  → 更新第8节服务边界约束
+- 新增已知 `BOUNDARY` 或 `ASSUMPTION`
+  → 更新第11节已知 `BOUNDARY`
+- 新增/修改 API 接口
+  → 更新第9节参考模式
+
+文档更新必须在 `[Task:Done]` 之前完成。
+未更新文档的任务视为未完成。
+
+## 15. 反迎合约束（强制）
+
+若检测到 Host 已预设方案倾向：
+- 必须先输出 `[CRITIQUE: 当前方案的根本性风险]`
+- 再输出执行路径
+
+若 Host 方案是次优解：
+- 必须声明 `[ALT: 更优方案]` + 理由
+- Host 确认坚持后方可执行
+
+## 16. Context 管理约定
+
+- 单任务涉及文件超过5个 → 拆分为独立子任务
+- 单任务预估改动超过200行 → 拆分执行
+- 发生 context 不足时 → 停止并输出已完成部分
+  声明 `[CONTEXT: LIMIT]`，不要截断输出

CLAUDE.md

@@ -62,6 +62,41 @@ frontend/
 └── vite.config.ts
 ```
 
+### 5.1 `frontend/src/components/sstc/` 目录说明（模块化拆分后）
+- `SSTCWorkspace.tsx`：SSTC 工作区主容器（组装各阶段组件）
+- `useSSTCWorkspaceOrchestration.ts`：工作区编排 Hook（状态聚合、请求编排、事件路由）
+- `sstcUtils.ts`：SSTC 工具函数（数据转换、状态判断、通用 helper）
+- `SSTCSignalStagePanel.tsx`：信号阶段面板
+- `SSTCCharterStagePanel.tsx`：宪章阶段面板
+- `SSTCTaskStagePanel.tsx`：任务阶段面板
+- `SSTCExecutionBoardPanel.tsx`：执行看板阶段面板
+- `SSTCReleaseStagePanel.tsx`：发布阶段面板
+- `SSTCReviewStagePanel.tsx`：复盘阶段面板
+- `SSTCTaskCreateDialog.tsx`：任务创建弹窗
+- `SSTCReleaseCreateDialog.tsx`：发布创建弹窗
+- `SSTCReviewCreateDialog.tsx`：复盘创建弹窗
+- `AIVisibilityPanel.tsx`：AI 可视化信息面板
+- `SSTCGlobalHeader.tsx`：SSTC 全局头部
+- `SSTCStageNav.tsx`：阶段导航
+- `SSTCChainView.tsx`：链路视图
+- `SSTCRiskFloatPanel.tsx`：风险浮层
+- `SignalContentHoverCard.tsx`：信号内容悬浮卡片
+- `charterModules.ts`：宪章模块配置与映射
+
+### 5.2 修改前必须执行 `FIND_USAGE` 的 SSTC 组件清单
+- `SSTCWorkspace.tsx`
+- `useSSTCWorkspaceOrchestration.ts`
+- `sstcUtils.ts`
+- `SSTCCharterStagePanel.tsx`
+- `SSTCSignalStagePanel.tsx`
+- `SSTCTaskStagePanel.tsx`
+- `SSTCExecutionBoardPanel.tsx`
+- `SSTCReleaseStagePanel.tsx`
+- `SSTCReviewStagePanel.tsx`
+- `SSTCReleaseCreateDialog.tsx`
+- `SSTCReviewCreateDialog.tsx`
+- `SSTCTaskCreateDialog.tsx`
+
 ## 6. 运行命令（高频）
 ### 根目录
 ```bash
@@ -87,3 +122,27 @@ uvicorn app.main:app --reload --host 0.0.0.0 --port 8000
 - 规则变更：只改 `AGENTS.md`
 - 结构变更：同步改 `CLAUDE.md`
 - API/契约变更：后端 `schemas` + 前端 `types` 同步更新
+
+## 8. 服务边界约束（禁止越界）
+- 数据库写操作必须通过 Alembic migration，禁止直接 `ALTER TABLE`
+- 新增接口必须遵循响应包络：`{code, message, data}`，不得裸返回
+- 禁止在 API 层写业务逻辑，业务逻辑归属 `services/`
+- 禁止在前端组件内直接调用 `fetch`，必须通过 `frontend/src/api/` 封装层
+- 前端状态管理：服务端数据用 React Query，本地 UI 状态用 `useState`
+
+## 9. 新增代码的参考模式
+- 新增后端接口：参考 `backend/app/api/sstc.py` 的结构
+- 新增前端 API 调用：参考 `frontend/src/api/sstc.ts`
+- 新增数据库表：参考 `alembic/versions/` 最新 migration
+- 新增飞书事件处理：参考 `backend/app/services/feishu_integration.py`
+
+## 10. 幂等与事务约束
+- 所有入站事件必须经过 `ingest_events` 幂等去重
+- 飞书回复必须经过 `feishu_reply_outbox`，禁止同步直接发送
+- 跨表写操作必须在同一个数据库事务内完成
+
+## 11. 已知 BOUNDARY（不要幻构行为）
+- 飞书回调字段可能缺失文件名/大小，仅保证 `attachment_id/key/type` 可用
+- `agents.defaults.timeoutSeconds` 在 OpenClaw 网关行为未验证，当前以 `LLM_REQUEST_TIMEOUT` 环境变量为准
+- World Model 静态层已接入 Redis 缓存（key: `wm:static:{tenant_id}:{project_id}`，TTL 600s）
+- 写操作后主动 invalidate，动态层不缓存

backend/app/api/projects.py

@@ -13,6 +13,7 @@ from sqlalchemy.ext.asyncio import AsyncSession
 from ..database import get_db
 from ..dependencies import get_current_user, get_tenant_id, require_roles
 from ..models import Project, ProjectSignalLink, Signal, Task, User
+from ..services.ai_pmo_kernel_service import AIPMOKernelService
 from ..services.context_cache import context_cache_service
 from ..utils.project_members import ensure_project_default_members
 from ..utils.sequence import ensure_project_id_sequence
@@ -227,6 +228,7 @@ async def create_project(
     await db.commit()
     await db.refresh(project)
     await context_cache_service.invalidate_system_context(tenant_id=tenant_id)
+    await AIPMOKernelService.invalidate_world_model_cache(tenant_id=tenant_id, project_id=int(project.id))
     return _serialize_project_row(project)
 
 
@@ -256,6 +258,7 @@ async def update_project(
     await db.commit()
     await db.refresh(project)
     await context_cache_service.invalidate_system_context(tenant_id=tenant_id)
+    await AIPMOKernelService.invalidate_world_model_cache(tenant_id=tenant_id, project_id=int(project.id))
     return _serialize_project_row(project)
 
 

backend/app/api/skill_tags.py

@@ -13,6 +13,7 @@ from sqlalchemy.ext.asyncio import AsyncSession
 from ..database import get_db
 from ..dependencies import get_current_user, get_tenant_id, require_roles
 from ..models import SkillTag, User, UserSkillBinding
+from ..services.ai_pmo_kernel_service import AIPMOKernelService
 from ..services import skill_service
 from ..services.auth import has_any_role
 
@@ -235,6 +236,7 @@ async def bind_user_skill(
     )
     db.add(row)
     await db.commit()
+    await AIPMOKernelService.invalidate_world_model_cache_for_user(db=db, tenant_id=tenant_id, user_id=user_id)
     return {"message": "Skill bound"}
 
 
@@ -285,6 +287,7 @@ async def update_user_skill(
         row.efficiency_score = body.efficiency_score
     row.updated_at = datetime.utcnow()
     await db.commit()
+    await AIPMOKernelService.invalidate_world_model_cache_for_user(db=db, tenant_id=tenant_id, user_id=user_id)
     return {"message": "Skill updated"}
 
 
@@ -317,4 +320,5 @@ async def unbind_user_skill(
 
     await db.delete(row)
     await db.commit()
+    await AIPMOKernelService.invalidate_world_model_cache_for_user(db=db, tenant_id=tenant_id, user_id=user_id)
     return {"message": "Skill unbound"}

backend/app/api/sstc.py

@@ -58,6 +58,7 @@ from ..schemas.sstc import (
 )
 from ..services.llm import llm_service
 from ..services.ai_service import AIService
+from ..services.ai_pmo_kernel_service import AIPMOKernelService
 from ..services.operation_log_service import log_operation
 from ..services.auth import has_any_role
 from ..services.skill_service import recommend_personnel
@@ -2382,6 +2383,7 @@ async def update_charter(
         )
         await db.commit()
         await db.refresh(new_node)
+        await AIPMOKernelService.invalidate_world_model_cache(tenant_id=tenant_id, project_id=pid)
         _sync_pmflow_rag_async(
             tenant_id=tenant_id,
             record_type="charter",
@@ -2424,6 +2426,7 @@ async def update_charter(
     )
     await db.commit()
     await db.refresh(charter)
+    await AIPMOKernelService.invalidate_world_model_cache(tenant_id=tenant_id, project_id=pid)
     _sync_pmflow_rag_async(
         tenant_id=tenant_id,
         record_type="charter",

backend/app/api/users.py

@@ -39,6 +39,7 @@ from ..schemas import (
     UserUpdate,
 )
 from ..services.auth import AuthService
+from ..services.ai_pmo_kernel_service import AIPMOKernelService
 from ..services.operation_log_service import log_operation
 from ..services import skill_service
 
@@ -211,6 +212,15 @@ async def _replace_user_projects(
     user_id: int,
     project_ids: list[int],
 ) -> None:
+    existing_rows = await db.execute(
+        select(UserProject.project_id).where(
+            and_(
+                UserProject.tenant_id == tenant_id,
+                UserProject.user_id == user_id,
+            )
+        )
+    )
+    existing_project_ids = {int(pid) for pid in existing_rows.scalars().all() if pid is not None}
     await db.execute(
         delete(UserProject).where(
             and_(
@@ -239,6 +249,10 @@ async def _replace_user_projects(
     cache_payload["invalidate_project_list"] = True
     cache_payload["user_ids"].add(int(user_id))
 
+    affected_project_ids = sorted(existing_project_ids.union({int(pid) for pid in unique_project_ids}))
+    for project_id in affected_project_ids:
+        await AIPMOKernelService.invalidate_world_model_cache(tenant_id=tenant_id, project_id=project_id)
+
 
 async def _create_user_with_defaults(
     db: AsyncSession,
@@ -750,6 +764,11 @@ async def delete_user(
         )
 
     before_data = user.to_dict()
+    await AIPMOKernelService.invalidate_world_model_cache_for_user(
+        db=db,
+        tenant_id=tenant_id,
+        user_id=user_id,
+    )
     await db.execute(
         delete(UserSkillBinding).where(
             and_(
@@ -842,6 +861,11 @@ async def bulk_delete_users(
             )
             continue
 
+        await AIPMOKernelService.invalidate_world_model_cache_for_user(
+            db=db,
+            tenant_id=tenant_id,
+            user_id=user_id,
+        )
         await db.execute(
             delete(UserSkillBinding).where(
                 and_(

backend/app/schemas/world_model.py

@@ -0,0 +1,136 @@
+"""AI PMO World Model 类型契约。"""
+
+from __future__ import annotations
+
+from typing import Any, NotRequired, Optional, TypedDict
+
+
+class ProjectSnapshot(TypedDict):
+    id: int
+    name: str
+    title: str
+    description: str
+    status: str
+    owner_id: Optional[int]
+
+
+class ProjectDomainSnapshot(TypedDict):
+    id: int
+    name: str
+    slug: str
+    description: str
+    owner_id: Optional[int]
+
+
+class PortfolioSummary(TypedDict):
+    active_project_count: int
+    focus_project_id: Optional[int]
+
+
+class BudgetSummary(TypedDict):
+    budget_id: Optional[int]
+    usage_ratio: float
+    hard_limit_enabled: bool
+    budget_type: NotRequired[str]
+    period: NotRequired[str]
+    budget_amount_usd: NotRequired[float]
+    current_usage_usd: NotRequired[float]
+
+
+class CapacityItem(TypedDict):
+    user_id: int
+    current_assigned_hours: float
+    max_available_hours_per_week: float
+    workload_ratio: float
+
+
+class SkillGraphItem(TypedDict):
+    user_id: int
+    skill_tag_id: int
+    proficiency_level: str
+    quality_score: float
+    efficiency_score: float
+
+
+class CharterItem(TypedDict):
+    id: int
+    title: str
+    status: str
+    content: dict[str, Any]
+
+
+class BlockedTask(TypedDict):
+    id: int
+    title: str
+
+
+class TaskSummary(TypedDict):
+    total: int
+    by_status: dict[str, int]
+    overdue_count: int
+    uncovered_skill_tag_ids: list[int]
+    blocked_tasks: list[BlockedTask]
+    required_skill_tag_ids: NotRequired[list[int]]
+
+
+class RiskSummary(TypedDict):
+    open_risk_count: int
+
+
+class DependencySummary(TypedDict):
+    pressure: str
+    blocked_tasks: list[BlockedTask]
+    overdue_count: int
+    charter_ready: bool
+
+
+class RecentSignalItem(TypedDict):
+    id: int
+    title: str
+    status: str
+    signal_type: str
+
+
+class DecisionContextSnapshot(TypedDict):
+    captured_at: str
+    project_id: Optional[int]
+    budget: BudgetSummary
+    capacity: list[CapacityItem]
+    skill_graph_size: int
+    dependency_pressure: Optional[str]
+
+
+class WorldModel(TypedDict):
+    sender: str
+    resolved_project_id: Optional[int]
+    project: Optional[ProjectSnapshot]
+    project_domain: Optional[ProjectDomainSnapshot]
+    portfolio: PortfolioSummary
+    budget: BudgetSummary
+    capacity: list[CapacityItem]
+    member_count: int
+    skill_graph: list[SkillGraphItem]
+    charter: list[CharterItem]
+    task_summary: TaskSummary
+    risk_summary: RiskSummary
+    dependencies: DependencySummary
+    recent_signals: list[RecentSignalItem]
+    decision_context_snapshot: DecisionContextSnapshot
+
+
+__all__ = [
+    "ProjectSnapshot",
+    "ProjectDomainSnapshot",
+    "PortfolioSummary",
+    "BudgetSummary",
+    "CapacityItem",
+    "SkillGraphItem",
+    "CharterItem",
+    "BlockedTask",
+    "TaskSummary",
+    "RiskSummary",
+    "DependencySummary",
+    "RecentSignalItem",
+    "DecisionContextSnapshot",
+    "WorldModel",
+]

backend/app/services/ai_pmo_kernel_service.py

@@ -2,6 +2,7 @@
 
 from __future__ import annotations
 
+import asyncio
 import hashlib
 import json
 import re
@@ -15,6 +16,7 @@ from sqlalchemy.exc import IntegrityError
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from ..core.logging import get_logger
+from ..database import AsyncSessionLocal
 from ..models import (
     AIProcessingLog,
     Budget,
@@ -36,10 +38,26 @@ from ..models import (
     UserWorkload,
     WorkItem,
 )
+from ..schemas.world_model import (
+    BlockedTask,
+    BudgetSummary,
+    CapacityItem,
+    CharterItem,
+    DependencySummary,
+    PortfolioSummary,
+    ProjectDomainSnapshot,
+    ProjectSnapshot,
+    RecentSignalItem,
+    RiskSummary,
+    SkillGraphItem,
+    TaskSummary,
+    WorldModel,
+)
 from .adaptive_rag_service import AdaptiveRAGService
 from .ai_pmo_cadence_service import AIPMOCadenceService
 from .ai_steward import AIStewardService
 from .ai_pmo_review_service import AIPMOReviewService
+from .context_cache import ContextCacheService
 from .notification_service import NotificationService
 from .openclaw_commander_service import OpenClawCommanderService
 from .ai_pmo_domain_workflow import SignalSourceDomainWorkflow
@@ -103,6 +121,9 @@ POLICY_GATE_RULES: tuple[tuple[str, tuple[str, ...]], ...] = (
     ("critical_path_change", ("关键路径", "里程碑改动", "影响多个项目", "跨项目依赖调整")),
 )
 
+WORLD_MODEL_STATIC_CACHE_TTL_SECONDS = 10 * 60
+WORLD_MODEL_STATIC_CACHE_KEY_PREFIX = "wm:static"
+
 
 def _utc_now_naive() -> datetime:
     return datetime.now(timezone.utc).replace(tzinfo=None)
@@ -817,6 +838,7 @@ class AIPMOKernelService:
     def __init__(self, db: AsyncSession, tenant_id: int = 1) -> None:
         self.db = db
         self.tenant_id = int(tenant_id)
+        self.context_cache = ContextCacheService()
         self.intent_resolver = IntentResolver()
         self.decision_engine = DecisionEngine()
         self.reply_renderer = ReplyRenderer()
@@ -923,11 +945,20 @@ class AIPMOKernelService:
         )
 
         try:
-            world_model = await self._build_world_model(
+            world_model_query_tables: set[str] = set()
+            project = await self._resolve_project(
                 message_text=clean_text,
-                sender=sender,
                 project_hint_id=project_hint_id,
+                query_tables=world_model_query_tables,
             )
+            world_model = await self.build_world_model(
+                tenant_id=self.tenant_id,
+                project_id=_safe_int(getattr(project, "id", None)),
+                sender=sender,
+                project=project,
+                pre_queried_tables=world_model_query_tables,
+            )
+            self._schedule_portfolio_snapshot_persist(world_model=world_model)
             work_item.state = STATE_MODELED
             work_item.context_snapshot = world_model
             intent = self.intent_resolver.resolve(
@@ -1239,30 +1270,87 @@ class AIPMOKernelService:
         await self.db.flush()
         return row
 
-    async def _build_world_model(
+    async def build_world_model(
         self,
         *,
-        message_text: str,
+        tenant_id: int,
-        sender: str,
+        project_id: Optional[int],
-        project_hint_id: Optional[int],
+        sender: str = "",
-    ) -> dict[str, Any]:
+        project: Optional[Project] = None,
-        project = await self._resolve_project(message_text=message_text, project_hint_id=project_hint_id)
+        pre_queried_tables: Optional[set[str]] = None,
-        project_id = _safe_int(getattr(project, "id", None))
+    ) -> WorldModel:
-        portfolio_summary = await self._build_portfolio_summary(project_id=project_id)
+        if int(tenant_id) != int(self.tenant_id):
-        budget = await self._build_budget_summary(project_id=project_id)
+            raise ValueError(f"tenant mismatch for world model build: input={tenant_id} service={self.tenant_id}")
-        capacity = await self._build_capacity_summary(project_id=project_id)
-        skill_graph = await self._build_skill_graph(project_id=project_id)
-        charter = await self._build_charter_snapshot(project_id=project_id)
-        task_summary = await self._build_task_summary(project_id=project_id)
-        risk_summary = await self._build_risk_summary(project_id=project_id)
-        domain = await self._build_project_domain_snapshot(project_id=project_id)
-        dependencies = self._build_dependency_summary(charter=charter, task_summary=task_summary)
-        recent_signals = await self._build_recent_signal_summary(project_id=project_id)
 
-        world_model = {
+        started = time.perf_counter()
+        queried_tables: set[str] = set(pre_queried_tables or set())
+        resolved_project_id: Optional[int] = project_id
+        status = "failed"
+        try:
+            if project is None and project_id is not None:
+                self._record_world_model_query_table(queried_tables, "projects")
+                project = (
+                    await self.db.execute(
+                        select(Project).where(
+                            and_(
+                                Project.tenant_id == self.tenant_id,
+                                Project.id == int(project_id),
+                            )
+                        ).limit(1)
+                    )
+                ).scalar_one_or_none()
+
+            resolved_project_id = _safe_int(getattr(project, "id", None)) if project is not None else project_id
+            project_snapshot = self._serialize_project(project)
+            domain: Optional[ProjectDomainSnapshot] = None
+            skill_graph: list[SkillGraphItem] = []
+            charter: list[CharterItem] = []
+
+            cached_static = await self._get_static_world_model_cache(tenant_id=self.tenant_id, project_id=resolved_project_id)
+            if cached_static is not None:
+                cached_project = cached_static.get("project")
+                if isinstance(cached_project, dict):
+                    project_snapshot = cached_project
+                cached_domain = cached_static.get("project_domain")
+                if isinstance(cached_domain, dict):
+                    domain = cached_domain
+                cached_skill_graph = cached_static.get("skill_graph")
+                if isinstance(cached_skill_graph, list):
+                    skill_graph = [item for item in cached_skill_graph if isinstance(item, dict)]
+                cached_charter = cached_static.get("charter")
+                if isinstance(cached_charter, list):
+                    charter = [item for item in cached_charter if isinstance(item, dict)]
+            else:
+                skill_graph = await self._build_skill_graph(project_id=resolved_project_id, query_tables=queried_tables)
+                charter = await self._build_charter_snapshot(project_id=resolved_project_id, query_tables=queried_tables)
+                domain = await self._build_project_domain_snapshot(project_id=resolved_project_id, query_tables=queried_tables)
+                await self._set_static_world_model_cache(
+                    tenant_id=self.tenant_id,
+                    project_id=resolved_project_id,
+                    data={
+                        "project": project_snapshot,
+                        "project_domain": domain,
+                        "skill_graph": skill_graph,
+                        "charter": charter,
+                    },
+                )
+
+            portfolio_summary = await self._build_portfolio_summary(project_id=resolved_project_id, query_tables=queried_tables)
+            budget = await self._build_budget_summary(project_id=resolved_project_id, query_tables=queried_tables)
+            capacity = await self._build_capacity_summary(project_id=resolved_project_id, query_tables=queried_tables)
+            task_summary = await self._build_task_summary(
+                project_id=resolved_project_id,
+                skill_graph=skill_graph,
+                query_tables=queried_tables,
+            )
+            risk_summary = await self._build_risk_summary(project_id=resolved_project_id, query_tables=queried_tables)
+            dependencies = self._build_dependency_summary(charter=charter, task_summary=task_summary)
+            recent_signals = await self._build_recent_signal_summary(project_id=resolved_project_id, query_tables=queried_tables)
+
+            world_model: WorldModel = {
                 "sender": sender,
-            "resolved_project_id": project_id,
+                "resolved_project_id": resolved_project_id,
-            "project": self._serialize_project(project) if project is not None else None,
+                "project": project_snapshot,
                 "project_domain": domain,
                 "portfolio": portfolio_summary,
                 "budget": budget,
@@ -1276,14 +1364,46 @@ class AIPMOKernelService:
                 "recent_signals": recent_signals,
                 "decision_context_snapshot": {
                     "captured_at": _utc_now_naive().isoformat(),
-                "project_id": project_id,
+                    "project_id": resolved_project_id,
                     "budget": budget,
                     "capacity": capacity,
                     "skill_graph_size": len(skill_graph),
                     "dependency_pressure": dependencies.get("pressure"),
                 },
             }
-        self.db.add(
+            status = "success"
+            return world_model
+        finally:
+            duration_ms = int((time.perf_counter() - started) * 1000)
+            logger.info(
+                "ai_pmo_world_model_build",
+                tenant_id=self.tenant_id,
+                project_id=resolved_project_id,
+                status=status,
+                duration_ms=duration_ms,
+                queried_tables=sorted(queried_tables),
+                query_table_count=len(queried_tables),
+            )
+
+    def _schedule_portfolio_snapshot_persist(self, *, world_model: WorldModel) -> None:
+        portfolio_summary = world_model.get("portfolio")
+        if not isinstance(portfolio_summary, dict):
+            return
+        project_id = _safe_int(world_model.get("resolved_project_id"))
+        asyncio.create_task(
+            self._persist_portfolio_snapshot(world_model=world_model, portfolio_summary=portfolio_summary),
+            name=f"ai-pmo-portfolio-snapshot:{self.tenant_id}:{project_id or 'none'}",
+        )
+
+    async def _persist_portfolio_snapshot(
+        self,
+        *,
+        world_model: WorldModel,
+        portfolio_summary: PortfolioSummary,
+    ) -> None:
+        try:
+            async with AsyncSessionLocal() as bg_db:
+                bg_db.add(
                     PortfolioSnapshot(
                         tenant_id=self.tenant_id,
                         scope_type="tenant",
@@ -1292,11 +1412,120 @@ class AIPMOKernelService:
                         payload=world_model,
                     )
                 )
-        await self.db.flush()
+                await bg_db.commit()
-        return world_model
+        except Exception as exc:
+            logger.warning(
+                "ai_pmo_portfolio_snapshot_persist_failed",
+                tenant_id=self.tenant_id,
+                project_id=_safe_int(world_model.get("resolved_project_id")),
+                error=str(exc),
+            )
 
-    async def _resolve_project(self, *, message_text: str, project_hint_id: Optional[int]) -> Optional[Project]:
+    @staticmethod
+    def _world_model_static_cache_key(*, tenant_id: int, project_id: int) -> str:
+        return f"{WORLD_MODEL_STATIC_CACHE_KEY_PREFIX}:{int(tenant_id)}:{int(project_id)}"
+
+    async def _get_static_world_model_cache(
+        self,
+        *,
+        tenant_id: int,
+        project_id: Optional[int],
+    ) -> Optional[dict[str, Any]]:
+        if project_id is None:
+            return None
+        key = self._world_model_static_cache_key(tenant_id=tenant_id, project_id=int(project_id))
+        cached = await self.context_cache.get_json_key(key)
+        if not isinstance(cached, dict):
+            logger.debug(f"[WM_CACHE] MISS {tenant_id}:{project_id}")
+            return None
+        required_keys = {"project", "project_domain", "skill_graph", "charter"}
+        if not required_keys.issubset(set(cached.keys())):
+            logger.debug(f"[WM_CACHE] MISS {tenant_id}:{project_id}")
+            return None
+        logger.debug(f"[WM_CACHE] HIT {tenant_id}:{project_id}")
+        return cached
+
+    async def _set_static_world_model_cache(
+        self,
+        *,
+        tenant_id: int,
+        project_id: Optional[int],
+        data: dict[str, Any],
+    ) -> None:
+        if project_id is None:
+            return
+        key = self._world_model_static_cache_key(tenant_id=tenant_id, project_id=int(project_id))
+        await self.context_cache.set_json_key(key, data, WORLD_MODEL_STATIC_CACHE_TTL_SECONDS)
+
+    async def _invalidate_world_model_cache(self, *, tenant_id: int, project_id: Optional[int]) -> None:
+        await self.invalidate_world_model_cache(tenant_id=tenant_id, project_id=project_id)
+
+    @classmethod
+    async def invalidate_world_model_cache(cls, *, tenant_id: int, project_id: Optional[int]) -> None:
+        if project_id is None:
+            return
+        cache = ContextCacheService()
+        key = cls._world_model_static_cache_key(tenant_id=int(tenant_id), project_id=int(project_id))
+        await cache.delete_keys(key)
+
+    @classmethod
+    async def invalidate_world_model_cache_for_user(
+        cls,
+        *,
+        db: AsyncSession,
+        tenant_id: int,
+        user_id: int,
+    ) -> list[int]:
+        rows = (
+            await db.execute(
+                select(UserProject.project_id).where(
+                    and_(
+                        UserProject.tenant_id == int(tenant_id),
+                        UserProject.user_id == int(user_id),
+                    )
+                )
+            )
+        ).scalars().all()
+        project_ids = sorted({int(pid) for pid in rows if pid is not None})
+        for pid in project_ids:
+            await cls.invalidate_world_model_cache(tenant_id=tenant_id, project_id=pid)
+        return project_ids
+
+    async def _build_world_model(
+        self,
+        *,
+        message_text: str,
+        sender: str,
+        project_hint_id: Optional[int],
+    ) -> WorldModel:
+        query_tables: set[str] = set()
+        project = await self._resolve_project(
+            message_text=message_text,
+            project_hint_id=project_hint_id,
+            query_tables=query_tables,
+        )
+        return await self.build_world_model(
+            tenant_id=self.tenant_id,
+            project_id=_safe_int(getattr(project, "id", None)),
+            sender=sender,
+            project=project,
+            pre_queried_tables=query_tables,
+        )
+
+    @staticmethod
+    def _record_world_model_query_table(query_tables: Optional[set[str]], table_name: str) -> None:
+        if query_tables is not None:
+            query_tables.add(table_name)
+
+    async def _resolve_project(
+        self,
+        *,
+        message_text: str,
+        project_hint_id: Optional[int],
+        query_tables: Optional[set[str]] = None,
+    ) -> Optional[Project]:
         if project_hint_id is not None:
+            self._record_world_model_query_table(query_tables, "projects")
             return (
                 await self.db.execute(
                     select(Project).where(
@@ -1311,6 +1540,7 @@ class AIPMOKernelService:
         id_match = re.search(r"(?:项目(?:id|ID)?|project(?:id)?)\s*[:#：]?\s*(\d+)", str(message_text or ""))
         if id_match:
             project_id = int(id_match.group(1))
+            self._record_world_model_query_table(query_tables, "projects")
             return (
                 await self.db.execute(
                     select(Project).where(
@@ -1322,6 +1552,7 @@ class AIPMOKernelService:
                 )
             ).scalar_one_or_none()
 
+        self._record_world_model_query_table(query_tables, "projects")
         projects = (
             await self.db.execute(
                 select(Project).where(Project.tenant_id == self.tenant_id).order_by(Project.updated_at.desc(), Project.id.desc()).limit(50)
@@ -1335,7 +1566,13 @@ class AIPMOKernelService:
                     return project
         return None
 
-    async def _build_portfolio_summary(self, *, project_id: Optional[int]) -> dict[str, Any]:
+    async def _build_portfolio_summary(
+        self,
+        *,
+        project_id: Optional[int],
+        query_tables: Optional[set[str]] = None,
+    ) -> PortfolioSummary:
+        self._record_world_model_query_table(query_tables, "projects")
         active_project_count = (
             await self.db.execute(
                 select(func.count(Project.id)).where(
@@ -1351,7 +1588,13 @@ class AIPMOKernelService:
             "focus_project_id": project_id,
         }
 
-    async def _build_budget_summary(self, *, project_id: Optional[int]) -> dict[str, Any]:
+    async def _build_budget_summary(
+        self,
+        *,
+        project_id: Optional[int],
+        query_tables: Optional[set[str]] = None,
+    ) -> BudgetSummary:
+        self._record_world_model_query_table(query_tables, "budgets")
         stmt = select(Budget).where(Budget.tenant_id == self.tenant_id)
         if project_id is not None:
             stmt = stmt.where(or_(Budget.project_id == int(project_id), Budget.project_id.is_(None)))
@@ -1371,9 +1614,15 @@ class AIPMOKernelService:
             "hard_limit_enabled": bool(row.hard_limit_enabled),
         }
 
-    async def _build_capacity_summary(self, *, project_id: Optional[int]) -> list[dict[str, Any]]:
+    async def _build_capacity_summary(
+        self,
+        *,
+        project_id: Optional[int],
+        query_tables: Optional[set[str]] = None,
+    ) -> list[CapacityItem]:
         user_ids: list[int] = []
         if project_id is not None:
+            self._record_world_model_query_table(query_tables, "user_projects")
             rows = (
                 await self.db.execute(
                     select(UserProject.user_id).where(
@@ -1386,6 +1635,7 @@ class AIPMOKernelService:
             ).scalars().all()
             user_ids = [int(uid) for uid in rows]
         if not user_ids and project_id is not None:
+            self._record_world_model_query_table(query_tables, "projects")
             owner_id = (
                 await self.db.execute(
                     select(Project.owner_id).where(
@@ -1400,6 +1650,7 @@ class AIPMOKernelService:
                 user_ids = [int(owner_id)]
         if not user_ids:
             return []
+        self._record_world_model_query_table(query_tables, "user_workloads")
         rows = (
             await self.db.execute(
                 select(UserWorkload).where(
@@ -1420,9 +1671,15 @@ class AIPMOKernelService:
             for row in rows
         ]
 
-    async def _build_skill_graph(self, *, project_id: Optional[int]) -> list[dict[str, Any]]:
+    async def _build_skill_graph(
+        self,
+        *,
+        project_id: Optional[int],
+        query_tables: Optional[set[str]] = None,
+    ) -> list[SkillGraphItem]:
         user_ids: list[int] = []
         if project_id is not None:
+            self._record_world_model_query_table(query_tables, "user_projects")
             rows = (
                 await self.db.execute(
                     select(UserProject.user_id).where(
@@ -1436,6 +1693,7 @@ class AIPMOKernelService:
             user_ids = [int(uid) for uid in rows]
         if not user_ids:
             return []
+        self._record_world_model_query_table(query_tables, "user_skill_bindings")
         rows = (
             await self.db.execute(
                 select(UserSkillBinding).where(
@@ -1457,9 +1715,16 @@ class AIPMOKernelService:
             for row in rows
         ]
 
-    async def _build_project_domain_snapshot(self, *, project_id: Optional[int]) -> Optional[dict[str, Any]]:
+    async def _build_project_domain_snapshot(
+        self,
+        *,
+        project_id: Optional[int],
+        query_tables: Optional[set[str]] = None,
+    ) -> Optional[ProjectDomainSnapshot]:
         if project_id is None:
             return None
+        self._record_world_model_query_table(query_tables, "projects")
+        self._record_world_model_query_table(query_tables, "project_domains")
         domain_row = (
             await self.db.execute(
                 select(ProjectDomain)
@@ -1484,9 +1749,15 @@ class AIPMOKernelService:
             "owner_id": domain_row.owner_id,
         }
 
-    async def _build_charter_snapshot(self, *, project_id: Optional[int]) -> list[dict[str, Any]]:
+    async def _build_charter_snapshot(
+        self,
+        *,
+        project_id: Optional[int],
+        query_tables: Optional[set[str]] = None,
+    ) -> list[CharterItem]:
         if project_id is None:
             return []
+        self._record_world_model_query_table(query_tables, "truth_nodes")
         rows = (
             await self.db.execute(
                 select(TruthNode).where(
@@ -1508,9 +1779,16 @@ class AIPMOKernelService:
             for row in rows
         ]
 
-    async def _build_task_summary(self, *, project_id: Optional[int]) -> dict[str, Any]:
+    async def _build_task_summary(
+        self,
+        *,
+        project_id: Optional[int],
+        skill_graph: list[SkillGraphItem],
+        query_tables: Optional[set[str]] = None,
+    ) -> TaskSummary:
         if project_id is None:
             return {"total": 0, "by_status": {}, "overdue_count": 0, "uncovered_skill_tag_ids": [], "blocked_tasks": []}
+        self._record_world_model_query_table(query_tables, "tasks")
         tasks = (
             await self.db.execute(
                 select(Task).where(and_(Task.tenant_id == self.tenant_id, Task.project_id == int(project_id)))
@@ -1518,7 +1796,7 @@ class AIPMOKernelService:
         ).scalars().all()
         by_status: dict[str, int] = {}
         required_skill_tag_ids: set[int] = set()
-        blocked_tasks: list[dict[str, Any]] = []
+        blocked_tasks: list[BlockedTask] = []
         overdue_count = 0
         now = _utc_now_naive()
         for row in tasks:
@@ -1533,7 +1811,6 @@ class AIPMOKernelService:
                 due_date = row.due_date.replace(tzinfo=None) if row.due_date.tzinfo else row.due_date
                 if due_date < now:
                     overdue_count += 1
-        skill_graph = await self._build_skill_graph(project_id=project_id)
         available_skill_ids = {int(item["skill_tag_id"]) for item in skill_graph if item.get("skill_tag_id") is not None}
         uncovered_skill_ids = sorted(skill_id for skill_id in required_skill_tag_ids if skill_id not in available_skill_ids)
         return {
@@ -1545,9 +1822,16 @@ class AIPMOKernelService:
             "blocked_tasks": blocked_tasks[:8],
         }
 
-    async def _build_recent_signal_summary(self, *, project_id: Optional[int]) -> list[dict[str, Any]]:
+    async def _build_recent_signal_summary(
+        self,
+        *,
+        project_id: Optional[int],
+        query_tables: Optional[set[str]] = None,
+    ) -> list[RecentSignalItem]:
         if project_id is None:
             return []
+        self._record_world_model_query_table(query_tables, "signals")
+        self._record_world_model_query_table(query_tables, "project_signal_links")
         rows = (
             await self.db.execute(
                 select(Signal).where(
@@ -1578,7 +1862,13 @@ class AIPMOKernelService:
             for row in rows
         ]
 
-    async def _build_risk_summary(self, *, project_id: Optional[int]) -> dict[str, Any]:
+    async def _build_risk_summary(
+        self,
+        *,
+        project_id: Optional[int],
+        query_tables: Optional[set[str]] = None,
+    ) -> RiskSummary:
+        self._record_world_model_query_table(query_tables, "notifications")
         stmt = select(func.count(Notification.id)).where(
             and_(
                 Notification.tenant_id == self.tenant_id,
@@ -1592,7 +1882,7 @@ class AIPMOKernelService:
         return {"open_risk_count": int(open_risk_count or 0)}
 
     @staticmethod
-    def _build_dependency_summary(*, charter: list[dict[str, Any]], task_summary: dict[str, Any]) -> dict[str, Any]:
+    def _build_dependency_summary(*, charter: list[CharterItem], task_summary: TaskSummary) -> DependencySummary:
         blocked_tasks = task_summary.get("blocked_tasks") if isinstance(task_summary.get("blocked_tasks"), list) else []
         overdue_count = int(task_summary.get("overdue_count") or 0)
         pressure = "high" if blocked_tasks or overdue_count > 0 else ("medium" if not charter else "low")
@@ -2287,7 +2577,7 @@ class AIPMOKernelService:
         return "已按长连接模式处理飞书接入，当前不会走 webhook；这条说明不会再被当成信号源类型变更。"
 
     @staticmethod
-    def _serialize_project(project: Optional[Project]) -> Optional[dict[str, Any]]:
+    def _serialize_project(project: Optional[Project]) -> Optional[ProjectSnapshot]:
         if project is None:
             return None
         return {

backend/app/services/context_cache.py

@@ -106,6 +106,24 @@ class ContextCacheService:
         except Exception:
             pass
 
+    async def get_json_key(self, key: str) -> Optional[dict[str, Any]]:
+        return await self._get_json(key)
+
+    async def set_json_key(self, key: str, value: dict[str, Any], ttl: int) -> None:
+        await self._set_json(key, value, ttl)
+
+    async def delete_keys(self, *keys: str) -> None:
+        valid_keys = [str(key).strip() for key in keys if str(key).strip()]
+        if not valid_keys:
+            return
+        redis = await self._get_redis()
+        if redis is None:
+            return
+        try:
+            await redis.delete(*valid_keys)
+        except Exception:
+            pass
+
     @staticmethod
     def _is_system_snapshot_complete(payload: Optional[dict[str, Any]]) -> bool:
         if not isinstance(payload, dict):

backend/app/services/skill_service.py

@@ -17,6 +17,7 @@ from sqlalchemy.orm import selectinload
 
 from ..models import SkillTag, UserSkillBinding, UserWorkload, User, UserStatus, Task
 from ..database import _is_sqlite
+from .ai_pmo_kernel_service import AIPMOKernelService
 
 
 # 系统预设 AI 开发专属技能标签
@@ -337,6 +338,11 @@ async def batch_update_user_skill_bindings(
     await db.commit()
     for b in result_bindings:
         await db.refresh(b)
+    await AIPMOKernelService.invalidate_world_model_cache_for_user(
+        db=db,
+        tenant_id=tenant_id,
+        user_id=user_id,
+    )
     return result_bindings