feat(mcp): add project issue context and knowledge search

core/audit_log.py

@@ -13,6 +13,7 @@ import json
 from datetime import date, datetime
 from pathlib import Path
 from typing import Any, Dict, List, Optional
+from uuid import uuid4
 
 from ..config import CONFIG_DIR
 
@@ -44,11 +45,20 @@ def set_identity(account: str, machine: str, role: str = "", shared_dir: str = "
 
 
 def record(kind: Kind, name: str, ok: bool, detail: str = "",
-          agent_role: str = "") -> None:
+          agent_role: str = "", correlation_id: str = "") -> None:
     """Append one audit event. Never raises — audit logging must never break
     a chat turn, a permission decision, or a tool call."""
     try:
         now = datetime.now()
+        if kind == "mcp_call":
+            safe_code = detail.removeprefix("code=")
+            detail = (
+                detail
+                if detail in {"completed", "failed"}
+                or (detail.startswith("code=") and safe_code.replace("_", "").isalnum())
+                else ("completed" if ok else "failed")
+            )
+            correlation_id = correlation_id or str(uuid4())
         event = {
             "ts": now.isoformat(timespec="seconds"),
             "kind": kind,
@@ -56,6 +66,7 @@ def record(kind: Kind, name: str, ok: bool, detail: str = "",
             "name": name or "",
             "ok": bool(ok),
             "detail": (detail or "")[:2000],   # bounded — never let a huge blob bloat the log
+            "correlation_id": correlation_id or "",
             "account": _identity_account,
             "role": _identity_role,
             "machine": _identity_machine,