fix: reviewer 타임아웃 300초, unified에 workspace 경로 추가

- reviewer agent timeout: 180s → 300s (에이전트 시작 오버헤드 고려)
- unified context에 workspace path 명시 → 경로 질문에 정확한 답변
- planner agent timeout 유지: 180s

core/task_pipeline.py

@@ -54,7 +54,7 @@ class TaskPipeline:
     # ──────────────────────────────────────────
 
     async def plan(self, user_request: str) -> dict:
-        """Planner로 태스크 분해."""
+        """Planner로 태스크 분해 (에이전트 모드 — 직접 처리 가능)."""
         context = self.ctx.gather(user_request)
         docs_ctx = self._docs_context()
 
@@ -62,10 +62,13 @@ class TaskPipeline:
             f"## User Request\n{user_request}\n\n"
             f"## Project Context\n{context}\n\n"
             f"## Project Docs\n{docs_ctx}\n\n"
-            f"Decompose this request into concrete tasks."
+            f"Analyze this request. If simple, handle it directly (direct: true). "
+            f"If complex, decompose into tasks (direct: false)."
         )
 
-        response = await self.gemini.call("planner", prompt, timeout=180)
+        response = await self.gemini.call_agent(
+            "planner", prompt, cwd=self.project_path, timeout=180,
+        )
         self._log("plan", user_request, response)
 
         plan = self._extract_json(response)
@@ -183,7 +186,7 @@ class TaskPipeline:
         )
 
         response = await self.gemini.call_agent(
-            "reviewer", prompt, cwd=self.project_path, timeout=180,
+            "reviewer", prompt, cwd=self.project_path, timeout=300,
         )
         self._log("batch_review", f"{len(tasks)} tasks", response)