fix(agents): bump Claude version to 2.1.63 and add ENABLE_TOOL_SEARCH=0 workaround

[vadimvlasenko]

Summary

Bumps the default Claude Code version to 2.1.63 and adds a ENABLE_TOOL_SEARCH=0 environment variable workaround required for Claude Code 2.1.69+ compatibility.

Changes

• Updated CLAUDE_SUPPORTED_VERSION from 2.1.56 to 2.1.63
• Updated CLAUDE_MINIMUM_SUPPORTED_VERSION from 2.1.41 to 2.1.53 (10 patch versions below supported)
• Added ENABLE_TOOL_SEARCH=0 to beforeRun lifecycle hook — Claude Code 2.1.69+ fails to start without this flag when using the CodeMie proxy

Impact

• codemie-claude sessions will now have ENABLE_TOOL_SEARCH=0 set automatically, restoring compatibility with Claude Code >=2.1.69
• Users can still override by setting ENABLE_TOOL_SEARCH in their environment before launching

Checklist

• Self-reviewed
• Manual testing performed
• Documentation updated (if needed)
• No breaking changes (or clearly documented)