feat(awooop): 新增 truth-chain 查詢 API

apps/api/src/api/v1/platform/__init__.py

@@ -13,9 +13,11 @@ from src.api.v1.platform.events import router as events_router
 from src.api.v1.platform.operator_runs import router as operator_runs_router
 from src.api.v1.platform.runs import router as runs_router
 from src.api.v1.platform.tenants import router as tenants_router
+from src.api.v1.platform.truth_chain import router as truth_chain_router
 
 router = APIRouter()
 router.include_router(events_router)
+router.include_router(truth_chain_router)
 # 2026-05-06 Codex: FastAPI 依註冊順序比對路由。Operator Console 的
 # `/runs/list` 必須排在 `/runs/{run_id}` 前面，否則 `list` 會被當成
 # run_id，造成前端 Run 監控頁 HTTP 422。

apps/api/src/api/v1/platform/truth_chain.py

@@ -0,0 +1,35 @@
+"""AwoooP Operator Console — truth-chain read API."""
+
+from __future__ import annotations
+
+from typing import Any
+
+from fastapi import APIRouter, Depends, Query
+
+from src.core.awooop_operator_auth import (
+    AwoooPOperatorPrincipal,
+    verify_awooop_operator,
+)
+from src.services.awooop_truth_chain_service import fetch_truth_chain
+
+router = APIRouter()
+
+
+@router.get(
+    "/truth-chain/{source_id}",
+    summary="查詢 Telegram / Incident / Drift 真相鏈",
+    description=(
+        "T0 read-only endpoint. 聚合 incident、approval、evidence、MCP、"
+        "automation_operation_log、drift repeat state 與 outbound mirror，"
+        "讓 Operator Console 能判斷 Telegram 卡片目前卡在哪個流程節點。"
+    ),
+)
+async def get_truth_chain(
+    source_id: str,
+    project_id: str = Query("awoooi", description="租戶 ID"),
+    operator: AwoooPOperatorPrincipal = Depends(verify_awooop_operator),
+) -> dict[str, Any]:
+    # operator dependency intentionally gates this read API even though the
+    # principal is not otherwise needed by the aggregation query.
+    _ = operator
+    return await fetch_truth_chain(source_id=source_id, project_id=project_id)