* feat(io): add streaming API to Medium interface and optimize agentic context
- Added ReadStream and WriteStream to io.Medium interface.
- Implemented streaming methods in local and mock mediums.
- Updated pkg/agentic/context.go to use streaming I/O with LimitReader.
- Added 5000-byte truncation limit for all AI context file reads to reduce memory usage.
- Documented when to use streaming vs full-file APIs in io.Medium.
* feat(io): optimize streaming API and fix PR feedback
- Fixed resource leak in agentic context by using defer for closing file streams.
- Improved truncation logic in agentic context to handle multibyte characters correctly by checking byte length before string conversion.
- Added comprehensive documentation to ReadStream and WriteStream in local medium.
- Added unit tests for ReadStream and WriteStream in local medium.
- Applied formatting and fixed auto-merge CI configuration.
* feat(io): add streaming API and fix CI failures (syntax fix)
- Introduced ReadStream and WriteStream to io.Medium interface.
- Implemented streaming methods in local and mock mediums.
- Optimized agentic context with streaming reads and truncation logic.
- Fixed syntax error in local client tests by overwriting the file.
- Fixed auto-merge CI by adding checkout and repository context.
- Applied formatting fixes.
bfa5353205