feat: list agents blocks should default to the default project (#3660)

Co-authored-by: Shubham Naik <[email protected]>

Author: 4shub

letta/server/rest_api/routers/v1/agents.py

@@ -65,7 +65,7 @@ async def list_agents(
     after: str | None = Query(None, description="Cursor for pagination"),
     limit: int | None = Query(50, description="Limit for pagination"),
     query_text: str | None = Query(None, description="Search agents by name"),
-    project_id: str | None = Query(None, description="Search agents by project ID"),
+    project_id: str | None = Query(None, description="Search agents by project ID - this will default to your default project on cloud"),
     template_id: str | None = Query(None, description="Search agents by template ID"),
     base_template_id: str | None = Query(None, description="Search agents by base template ID"),
     identity_id: str | None = Query(None, description="Search agents by identity ID"),