feat: make file-generator tool toggleable in UI

Converts file-generator from always-on to a toggleable tool that users can enable/disable in the Tools dropdown, following the same pattern as other default tools like code execution.

Changes:
- Add FileGenerator to AppDefaultToolkit enum
- Register file-generator in APP_DEFAULT_TOOL_KIT
- Remove file-generator from always-on tools in chat route
- Add File Generator option to tool selector UI with file icon
- Add translation for "File Generator" label
- Remove file-generator references from system prompts

Users can now enable/disable file generation via the Tools dropdown in the chat interface.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: mrjasonroy

messages/en.json

@@ -247,7 +247,8 @@
         "visualization": "Data Visualization",
         "webSearch": "Search the Web",
         "http": "HTTP Request",
-        "code": "Code Execution"
+        "code": "Code Execution",
+        "fileGenerator": "File Generator"
       }
     },
     "VoiceChat": {

src/app/api/chat/route.ts

@@ -48,8 +48,7 @@ import { getSession } from "auth/server";
 import { colorize } from "consola/utils";
 import { generateUUID } from "lib/utils";
 import { nanoBananaTool, openaiImageTool } from "lib/ai/tools/image";
-import { fileGeneratorTool } from "lib/ai/tools/file-generator";
-import { ImageToolName, FileGeneratorToolName } from "lib/ai/tools";
+import { ImageToolName } from "lib/ai/tools";
 import { buildCsvIngestionPreviewParts } from "@/lib/ai/ingest/csv-ingest";
 import { serverFileStorage } from "lib/file-storage";
 
@@ -284,13 +283,10 @@ export async function POST(request: Request) {
                   : openaiImageTool,
             }
           : {};
-        const FILE_GENERATOR_TOOL: Record<string, Tool> = {
-          [FileGeneratorToolName]: fileGeneratorTool,
-        };
         const vercelAITooles = safe({
           ...MCP_TOOLS,
           ...WORKFLOW_TOOLS,
-          ...FILE_GENERATOR_TOOL,
+          ...IMAGE_TOOL,
         })
           .map((t) => {
             const bindingTools =

src/components/tool-select-dropdown.tsx

@@ -9,6 +9,7 @@ import {
   ChartColumn,
   ChevronRight,
   CodeIcon,
+  FileIcon,
   GlobeIcon,
   HardDriveUploadIcon,
   ImagesIcon,
@@ -887,6 +888,9 @@ function AppDefaultToolKitSelector() {
         case AppDefaultToolkit.Code:
           icon = CodeIcon;
           break;
+        case AppDefaultToolkit.FileGenerator:
+          icon = FileIcon;
+          break;
       }
       return {
         label,

src/lib/ai/prompts.ts

@@ -97,7 +97,6 @@ You can assist with:
 - Analysis and problem-solving across various domains
 - Using available tools and resources to complete tasks
 - Adapting communication to user preferences and context
-- Generating downloadable files (CSV, JSON, PDF, code files, etc.) when users request data exports or file creation
 </general_capabilities>`;
 
   // Communication preferences
@@ -125,9 +124,8 @@ ${userPreferences.responseStyleExample}
     prompt += `
 
 - When using tools, briefly mention which tool you'll use with natural phrases
-- Examples: "I'll search for that information", "Let me check the weather", "I'll run some calculations", "I'll generate that file for you"
+- Examples: "I'll search for that information", "Let me check the weather", "I'll run some calculations"
 - Use \`mermaid\` code blocks for diagrams and charts when helpful
-- When users request data exports, file downloads, or structured data files, use the file-generator tool to create downloadable files
 </communication_preferences>`;
   }
 
@@ -180,7 +178,6 @@ ${userInfo.join("\n")}
 You excel at conversational voice interactions by:
 - Providing clear, natural spoken responses
 - Using available tools to gather information and complete tasks
-- Generating downloadable files when users request data exports or file creation
 - Adapting communication to user preferences and context
 </voice_capabilities>`;
 

src/lib/ai/tools/index.ts

@@ -3,6 +3,7 @@ export enum AppDefaultToolkit {
   WebSearch = "webSearch",
   Http = "http",
   Code = "code",
+  FileGenerator = "fileGenerator",
 }
 
 export enum DefaultToolName {

src/lib/ai/tools/tool-kit.ts

@@ -3,11 +3,12 @@ import { createBarChartTool } from "./visualization/create-bar-chart";
 import { createLineChartTool } from "./visualization/create-line-chart";
 import { createTableTool } from "./visualization/create-table";
 import { exaSearchTool, exaContentsTool } from "./web/web-search";
-import { AppDefaultToolkit, DefaultToolName } from ".";
+import { AppDefaultToolkit, DefaultToolName, FileGeneratorToolName } from ".";
 import { Tool } from "ai";
 import { httpFetchTool } from "./http/fetch";
 import { jsExecutionTool } from "./code/js-run-tool";
 import { pythonExecutionTool } from "./code/python-run-tool";
+import { fileGeneratorTool } from "./file-generator";
 
 export const APP_DEFAULT_TOOL_KIT: Record<
   AppDefaultToolkit,
@@ -30,4 +31,7 @@ export const APP_DEFAULT_TOOL_KIT: Record<
     [DefaultToolName.JavascriptExecution]: jsExecutionTool,
     [DefaultToolName.PythonExecution]: pythonExecutionTool,
   },
+  [AppDefaultToolkit.FileGenerator]: {
+    [FileGeneratorToolName]: fileGeneratorTool,
+  },
 };