feat: update orientation tool with data trimming advice

Added guidance to the orientation tool explaining that get_flow_runs returns slim summaries and instructing users to use specific lookup tools (get_work_pools, get_deployments) for detailed configuration like concurrency limits.

Author: zzstoatzz

src/prefect_mcp_server/server.py

@@ -64,6 +64,8 @@ def orientation() -> str:
     Use the attached docs MCP server to search for documentation on Prefect concepts, usage examples, and best practices.
 
     Use get_object_schema to get JSON schemas for complex objects like automations.
+
+    Data trimming: `get_flow_runs` returns slim summaries. If you need details like concurrency limits or work queue status for a run, use `get_dashboard`, `get_work_pools`, or `get_deployments` with the specific ID.
     """