- Added grep CLI subcommand with support for pattern matching, file globbing, context lines, and multiple output modes (content, files-with-matches, count).
- Added diff syntax highlighting support with distinct colors for inserted and deleted lines in code output.
- Implemented FileReader abstraction for cross-platform file reading with mmap support and 4MB size limit.
- Refactored worker pool initialization to support both compiled and development build environments using resolveWorkerSpecifier utility.
- Enhanced markdown rendering with improved inline style context handling and blockquote formatting with text wrapping.
- Replaced external strip-ansi dependency with Bun's built-in stripANSI method across all packages.
- Consolidated signal and timeout handling by replacing custom createRequestSignal utility with ptree.combineSignals across all scrapers and tools.
- Refactored ensureTool function to accept signal parameter through options object, enabling cancellation of tool installation and execution.
- Migrated all tool execution calls from Bun's $ template syntax to ptree.exec with explicit signal and error handling options.
- Simplified HTML rendering strategy in fetch.ts to use ptree.combineSignals for timeout management and added jina.ai integration as primary rendering method.
- Removed redundant abort checks throughout youtube.ts scraper, consolidating signal handling to rely on ptree.exec signal-based timeout mechanism.
- Extracted process management utilities from coding-agent shell module into dedicated procmgr module in utils package.
- Migrated shell configuration retrieval to SettingsManager class with new getGlobalShellConfig() static method.
- Replaced custom killProcessTree() implementation with new terminate() function supporting graceful shutdown with timeout and AbortSignal.
- Updated ptree.ChildProcess to use generic type parameter for input stream masking and delegated process termination to procmgr.terminate().
- Centralized process management across coding-agent modules to use SettingsManager and procmgr utilities instead of standalone shell functions.
- Renamed package directory from packages/pi-utils to packages/utils.
- Updated all path aliases and references in tsconfig.base.json to reflect new package location.
- Updated workspace references in bun.lock and package.json to point to new packages/utils directory.
- Updated documentation and build scripts to reference the renamed utils package.
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