feat: extend daemon model with daemon status tracking and list support

- Add daemon status tracking with state and metrics (idle, running, error)
- Implement pfhub daemon list CLI command for viewing registered daemons
- Extend auth schema and service for daemon lifecycle management
- Add postgres repository queries for daemon state persistence
- Expand test coverage for daemon registry and status transitions
- Update rel-006 release document with daemon model verification results
- Support daemon graceful shutdown and error recovery patterns

app/schemas/auth.py

@@ -52,6 +52,7 @@ class AuthTokenResponse(BaseModel):
     token_prefix: str
     permission: Literal["read", "trade-write", "admin"]
     token_type: Literal["session", "client", "service"]
+    daemon_id: str | None = None
     expires_at: datetime | None = None
     last_used_at: datetime | None = None
     revoked_at: datetime | None = None
@@ -97,6 +98,16 @@ class ServiceTokenIssueCliResponse(BaseModel):
     token: str | None = None
 
 
+class ServiceTokenRebindCliResponse(BaseModel):
+    token_id: str
+    name: str
+    expires_at: datetime | None = None
+    revoked: bool
+    runtime_id: str | None = None
+    daemon_id: str | None = None
+    previous_daemon_id: str | None = None
+
+
 class ServiceTokenRevokeCliResponse(BaseModel):
     token_id: str
     name: str