### CHANGES
- Remove redundant fmt.Sprintf calls from error formatting logic
- Simplify model assignment to always use normalized model names
- Remove unused variadic parameter from the VendorsManager Clear method
## CHANGES
- Add case-insensitive vendor lookup in VendorsManager
- Implement model name normalization in GetChatter method
- Add FilterByVendor method with case-insensitive matching
- Add FindModelNameCaseInsensitive helper for model queries
- Update group/item comparison to use case-insensitive checks
- Store vendors with lowercase keys internally
- Add comprehensive tests for case-insensitive functionality
- Fix vendor filtering for model listing command
- Add newline to `CreateOutputFile` if missing
- Use `t.Cleanup` for file removal in tests
- Add test for message with trailing newline
- Introduce `printedStream` flag in `Chatter.Send`
- Print newline if stream printed without trailing newline
### CHANGES
- Remove default space in `BuildSession` message content
- Trim whitespace in `anthropic` message content check
- Trim whitespace in `gemini` message content check
- Introduce CLI flag to skip pattern variable replacement.
- Wire flag into domain request and session builder.
- Avoid applying input variables when replacement is disabled.
- Provide PatternsEntity.GetWithoutVariables for input-only pattern processing support.
- Refactor patterns code into reusable load and apply helpers.
- Update bash, zsh, fish completions with new flag.
- Document flag in README and CLI help output.
- Add unit tests covering GetWithoutVariables path and behavior.
- Ensure {{input}} placeholder appends when missing in patterns.
## CHANGES
- Map both short and long flags to yaml tags
- Add support for short flag parsing with dashes
- Implement default ~/.fabric.yaml config file detection
- Fix think block suppression in dry run mode
- Add think options to dry run output formatting
- Refactor dry run response construction into helper method
- Return actual response content from dry run client
- Create utility function for default config path resolution
## CHANGES
- Add suppress-think flag to hide thinking blocks
- Configure customizable start and end thinking tags
- Strip thinking content from final response output
- Update streaming logic to respect suppress-think setting
- Add YAML configuration support for thinking options
- Implement StripThinkBlocks utility function for content filtering
- Add comprehensive tests for thinking suppression functionality
## CHANGES
- Move domain types from common to domain package
- Move utility functions from common to util package
- Update all import statements across codebase
- Reorganize OAuth storage functionality into util package
- Move file management functions to domain package
- Update test files to use new package structure
- Maintain backward compatibility for existing functionality
### CHANGES
- Introduce `cmd` directory for all main application binaries.
- Move all Go packages into the `internal` directory.
- Rename the `restapi` package to `server` for clarity.
- Consolidate patterns and strategies into a new `data` directory.
- Group all auxiliary scripts into a new `scripts` directory.
- Move all documentation and images into a `docs` directory.
- Update all Go import paths to reflect the new structure.
- Adjust CI/CD workflows and build commands for new layout.
