fix: 修复 Memory V2 合并导致的启动崩溃

master 的 Memory V2 重构删除了 memory/updater.py，admin_users.py 仍从中导入 get_memory_data 导致启动 ImportError。改用 BuiltinFileProvider 读取 V2 的 USER.md / 各 agent MEMORY.md；前端 MemoryBucketView 同步改为渲染 V2 条目列表。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

offline-backend-20260512/backend/app/gateway/routers/admin_users.py

@@ -23,7 +23,7 @@ from app.gateway.deps import (
     get_current_user_from_request,
     get_thread_store,
 )
-from deerflow.agents.memory.updater import get_memory_data
+from deerflow.agents.memory import BuiltinFileProvider
 from deerflow.config.agents_config import AGENT_NAME_PATTERN
 from deerflow.config.paths import get_paths
 from deerflow.runtime import serialize_channel_values
@@ -136,24 +136,40 @@ class AdminMemoryResponse(BaseModel):
     buckets: list[AdminMemoryBucket] = Field(default_factory=list)
 
 
+def _read_memory_bucket(user_id: str, agent_id: str | None) -> dict:
+    """Read one Memory V2 file into a JSON-able ``{"entries": [...]}`` dict.
+
+    ``agent_id is None`` -> the user's ``USER.md`` (profile, cross-agent);
+    otherwise that agent's ``MEMORY.md`` (per-agent working notes).
+    """
+    provider = BuiltinFileProvider()
+    provider.initialize(user_id=user_id, agent_id=agent_id)
+    target = "user" if agent_id is None else "memory"
+    return {"entries": provider.read(target)}
+
+
 @router.get("/{user_id}/memory", response_model=AdminMemoryResponse)
 async def get_user_memory(user_id: str, request: Request) -> AdminMemoryResponse:
-    """Return every memory bucket (global + per-agent) for one user."""
+    """Return every memory bucket for one user.
+
+    Memory V2 layout: the ``global`` bucket is ``USER.md`` (user profile);
+    each per-agent bucket is that agent's ``MEMORY.md`` working notes.
+    """
     await _require_admin(request)
 
     buckets: list[AdminMemoryBucket] = [
-        AdminMemoryBucket(name="global", data=get_memory_data(None, user_id=user_id))
+        AdminMemoryBucket(name="global", data=_read_memory_bucket(user_id, None))
     ]
 
     agents_root = get_paths().user_dir(user_id) / "agents"
     if agents_root.is_dir():
         for entry in sorted(agents_root.iterdir(), key=lambda p: p.name.lower()):
-            if not entry.is_dir() or not (entry / "memory.json").exists():
+            if not entry.is_dir() or not (entry / "MEMORY.md").exists():
                 continue
             if not AGENT_NAME_PATTERN.match(entry.name):
                 continue
             try:
-                data = get_memory_data(entry.name, user_id=user_id)
+                data = _read_memory_bucket(user_id, entry.name)
             except Exception:
                 logger.warning("Failed to read memory bucket %s for user", entry.name)
                 continue