* Standardize request.CTX parameter naming to rctx
- Migrate 886 request.CTX parameters across 147 files to use consistent 'rctx' naming
- Updated function signatures from 'c', 'ctx', and 'cancelContext' to 'rctx'
- Updated function bodies to reference the new parameter names
- Preserved underscore parameters unchanged as they are unused
- Fixed method receiver context issue in store.go
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Co-Authored-By: Claude <noreply@anthropic.com>
* Use request.CTX interface in batch worker
* Manual fixes
* Fix parameter naming
* Add linter check
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Co-authored-by: Claude <noreply@anthropic.com>
