feat: add web_search tool to Atlas using Jina AI free search

Atlas can now search the internet during product discovery conversations
to research competitors, pricing models, and market context. Uses Jina
AI's free search endpoint — no API key required.

Made-with: Cursor

src/tools/index.ts

@@ -9,6 +9,7 @@ import './agent';
 import './memory';
 import './skills';
 import './prd';
+import './search';
 
 // Re-export the public API — identical surface to the old tools.ts
 export { ALL_TOOLS, executeTool, ToolDefinition } from './registry';