Emphasize resource tool as PRIORITY for memory/recall queries

- Make it clear this tool should be used BEFORE saying 'I don't know'
- Add specific examples like name, preferences queries
- Emphasize ALWAYS use for personal information
- Should prevent LLM from missing user context

Author: kennvene-aws

crates/chat-cli/src/cli/chat/tools/tool_index.json

@@ -234,7 +234,7 @@
   },
   "resource": {
     "name": "resource",
-    "description": "A tool for finding and retrieving information from the user's indexed knowledge base.\n\n## Overview\nThis tool searches through content the user has previously stored in their knowledge base using semantic search to find relevant information.\n\n## When to use\n- When you need to recall information from previous conversations\n- When the user asks about content they've shared before\n- When looking for specific information the user has stored\n- When you need context from the user's knowledge base\n\n## When not to use\n- For general web searches or external information\n- When the user hasn't stored any relevant content yet\n- For real-time data that changes frequently\n\n## Notes\n- Always use this tool FIRST when you need to recall previous conversations or user preferences\n- Use the user's exact wording in search queries to capture contextual cues\n- Break down complex searches into core concepts for better semantic matching\n- Use 'show' to see what resources are available before searching",
+    "description": "**PRIORITY TOOL**: Always use FIRST for any memory, recall, or personal information queries. This tool searches the user's indexed knowledge base to find information from previous conversations.\n\n## Critical Usage\n- **ALWAYS use this tool BEFORE saying you don't know something about the user**\n- **ALWAYS search for personal info (name, preferences, past discussions) before responding**\n- **REQUIRED for any question about previous conversations or user context**\n\n## When to use\n- User asks about their name, preferences, or personal information\n- You need context from previous conversations\n- User references something they mentioned before\n- Any query that might have been discussed previously\n- Before saying \"I don't have access to\" or \"I don't remember\"\n\n## Search Strategy\n- Use key terms from the user's question\n- Search for concepts, not just exact phrases\n- Try multiple search terms if first search fails\n\n## Example Queries\n- User asks \"do you remember my name?\" → Search: \"name\"\n- User asks about preferences → Search: \"preference\" or \"like\"\n- User references past work → Search relevant keywords",
     "input_schema": {
       "type": "object",
       "properties": {