feat: add conversation_id filter to list runs [LET-6865] (#8404)

feat: add conversation_id filter to list runs

fern/openapi.json

@@ -14469,6 +14469,24 @@
             },
             "description": "Filter runs by stop reason."
           },
+          {
+            "name": "conversation_id",
+            "in": "query",
+            "required": false,
+            "schema": {
+              "anyOf": [
+                {
+                  "type": "string"
+                },
+                {
+                  "type": "null"
+                }
+              ],
+              "description": "Filter runs by conversation ID.",
+              "title": "Conversation Id"
+            },
+            "description": "Filter runs by conversation ID."
+          },
           {
             "name": "before",
             "in": "query",

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

@@ -55,6 +55,7 @@ async def list_runs(
     statuses: Optional[List[str]] = Query(None, description="Filter runs by status. Can specify multiple statuses."),
     background: Optional[bool] = Query(None, description="If True, filters for runs that were created in background mode."),
     stop_reason: Optional[StopReasonType] = Query(None, description="Filter runs by stop reason."),
+    conversation_id: Optional[str] = Query(None, description="Filter runs by conversation ID."),
     before: Optional[str] = Query(
         None, description="Run ID cursor for pagination. Returns runs that come before this run ID in the specified sort order"
     ),
@@ -109,6 +110,7 @@ async def list_runs(
         ascending=sort_ascending,
         stop_reason=stop_reason,
         background=background,
+        conversation_id=conversation_id,
     )
     return runs