fix: fix OpenAPI build (#2036)

ui/desktop/openapi.json

@@ -424,6 +424,39 @@
                 ]
               }
             }
+          },
+          {
+            "type": "object",
+            "description": "Frontend-provided tools that will be called through the frontend",
+            "required": [
+              "name",
+              "tools",
+              "type"
+            ],
+            "properties": {
+              "instructions": {
+                "type": "string",
+                "description": "Instructions for how to use these tools",
+                "nullable": true
+              },
+              "name": {
+                "type": "string",
+                "description": "The name used to identify this extension"
+              },
+              "tools": {
+                "type": "array",
+                "items": {
+                  "$ref": "#/components/schemas/Tool"
+                },
+                "description": "The tools provided by the frontend"
+              },
+              "type": {
+                "type": "string",
+                "enum": [
+                  "frontend"
+                ]
+              }
+            }
           }
         ],
         "description": "Represents the different types of MCP extensions that can be added to the manager",
@@ -566,6 +599,63 @@
           }
         }
       },
+      "Tool": {
+        "type": "object",
+        "description": "A tool that can be used by a model.",
+        "required": [
+          "name",
+          "description",
+          "inputSchema"
+        ],
+        "properties": {
+          "annotations": {
+            "allOf": [
+              {
+                "$ref": "#/components/schemas/ToolAnnotations"
+              }
+            ],
+            "nullable": true
+          },
+          "description": {
+            "type": "string",
+            "description": "A description of what the tool does"
+          },
+          "inputSchema": {
+            "description": "A JSON Schema object defining the expected parameters for the tool"
+          },
+          "name": {
+            "type": "string",
+            "description": "The name of the tool"
+          }
+        }
+      },
+      "ToolAnnotations": {
+        "type": "object",
+        "description": "Additional properties describing a tool to clients.\n\nNOTE: all properties in ToolAnnotations are **hints**.\nThey are not guaranteed to provide a faithful description of\ntool behavior (including descriptive properties like `title`).\n\nClients should never make tool use decisions based on ToolAnnotations\nreceived from untrusted servers.",
+        "properties": {
+          "destructiveHint": {
+            "type": "boolean",
+            "description": "If true, the tool may perform destructive updates to its environment.\nIf false, the tool performs only additive updates.\n\n(This property is meaningful only when `read_only_hint == false`)\n\nDefault: true"
+          },
+          "idempotentHint": {
+            "type": "boolean",
+            "description": "If true, calling the tool repeatedly with the same arguments\nwill have no additional effect on its environment.\n\n(This property is meaningful only when `read_only_hint == false`)\n\nDefault: false"
+          },
+          "openWorldHint": {
+            "type": "boolean",
+            "description": "If true, this tool may interact with an \"open world\" of external\nentities. If false, the tool's domain of interaction is closed.\nFor example, the world of a web search tool is open, whereas that\nof a memory tool is not.\n\nDefault: true"
+          },
+          "readOnlyHint": {
+            "type": "boolean",
+            "description": "If true, the tool does not modify its environment.\n\nDefault: false"
+          },
+          "title": {
+            "type": "string",
+            "description": "A human-readable title for the tool.",
+            "nullable": true
+          }
+        }
+      },
       "UpsertConfigQuery": {
         "type": "object",
         "required": [