Fix AgentInstance schema to match backend API (id not agentId)

Backend AgentInfo record uses 'id' but UI schema had 'agentId',
causing undefined property access crash in command palette.
Regenerated openapi.json and aligned all UI types with live spec.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

ui/src/api/openapi.json

@@ -91,6 +91,30 @@
               "type": "string"
             }
           },
+          {
+            "name": "routeId",
+            "in": "query",
+            "required": false,
+            "schema": {
+              "type": "string"
+            }
+          },
+          {
+            "name": "agentId",
+            "in": "query",
+            "required": false,
+            "schema": {
+              "type": "string"
+            }
+          },
+          {
+            "name": "processorType",
+            "in": "query",
+            "required": false,
+            "schema": {
+              "type": "string"
+            }
+          },
           {
             "name": "offset",
             "in": "query",
@@ -633,6 +657,27 @@
         }
       }
     },
+    "/api/v1/search/stats": {
+      "get": {
+        "tags": [
+          "Search"
+        ],
+        "summary": "Aggregate execution stats (P99 latency, active count)",
+        "operationId": "stats",
+        "responses": {
+          "200": {
+            "description": "OK",
+            "content": {
+              "*/*": {
+                "schema": {
+                  "$ref": "#/components/schemas/ExecutionStats"
+                }
+              }
+            }
+          }
+        }
+      }
+    },
     "/api/v1/executions/{executionId}": {
       "get": {
         "tags": [
@@ -882,6 +927,15 @@
           "textInErrors": {
             "type": "string"
           },
+          "routeId": {
+            "type": "string"
+          },
+          "agentId": {
+            "type": "string"
+          },
+          "processorType": {
+            "type": "string"
+          },
           "offset": {
             "type": "integer",
             "format": "int32"
@@ -972,6 +1026,19 @@
           }
         }
       },
+      "ExecutionStats": {
+        "type": "object",
+        "properties": {
+          "p99LatencyMs": {
+            "type": "integer",
+            "format": "int64"
+          },
+          "activeCount": {
+            "type": "integer",
+            "format": "int64"
+          }
+        }
+      },
       "ExecutionDetail": {
         "type": "object",
         "properties": {

ui/src/api/schema.d.ts

@@ -198,9 +198,14 @@ export interface ExecutionStats {
 }
 
 export interface AgentInstance {
-  agentId: string;
+  id: string;
+  name: string;
   group: string;
+  version: string;
+  routeIds: string[];
+  capabilities: Record<string, boolean>;
   state: 'LIVE' | 'STALE' | 'DEAD';
-  lastHeartbeat: string;
   registeredAt: string;
+  lastHeartbeat: string;
+  staleTransitionTime: string | null;
 }