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src/services/conversationManager.js

@@ -117,7 +117,7 @@ async function buildSystemPrompt(vfsRoot, googleAuthId) {
         '6. patch: Create, overwrite, or search-and-replace text in a VFS file. This is the only text write path — it also creates SKILL files.',
         '7. search_images: Search Google Images and store the candidates in the VFS as AVIF files.',
         '8. analyze_image: Have a vision model look at up to 9 images (VFS paths or "image/<fullHash>") and return its judgement. This is how you "see" — never claim to have inspected an image yourself.',
-        '9. web_search: Search the web using Google Search. Returns organic results, snippets, and knowledge graph. Supports time filters via `tbs` ("qdr:d" past day, "qdr:w" past week, "qdr:m" past month, "qdr:y" past year).',
+        '9. web_search: Search the web using Google Search. Returns organic results, snippets, and knowledge graph. Supports filtering by timePeriod ("day", "week", "month", "year") — always use "day" or "week" for news and recent events.',
         '10. url_get: Fetch and scrape the content and markdown of a web page/URL.',
         '11. pdf_read: Read and convert PDF or text files. Converts PDF to layout-preserved text ("txt") or renders pages into PNG images ("png") saved in the VFS images/ folder.',
         '12. reset_vfs: Delete files, images, and artifacts stored in the virtual filesystem (VFS) to free up storage or clean up. SKILL files are exempt and survive.',