- Fixed boolean type coercion in fetch and executor modules by wrapping truncation flags with Boolean() cast.
- Removed maxBytes property from truncation metadata to simplify output metadata structure.
- Normalized optional result properties with explicit fallbacks in output-meta module.
- Updated test expectations to reflect undefined truncation properties instead of false/null values.
- Added pluggable code search provider system supporting Exa and grep.app with provider selection via `providers.codeSearch` setting.
- Removed Exa-specific tools (`exa_linkedin`, `exa_company`, `exa_search_deep`, `exa_crawl`) and simplified web search tools to focus on core functionality.
- Refactored code search from Exa-only to provider-agnostic architecture with new `code_search` tool supporting context-aware grep.app queries and Exa fallback.
- Removed `exa.enableLinkedin` and `exa.enableCompany` configuration settings in favor of provider-based architecture.
- Added comprehensive test coverage for code search functionality including grep.app result normalization and provider fallback behavior.
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