- Part 1 of incorporating `modernize` tool into Fabric.
- Replace `interface{}` with `any` in slice type declarations
- Update map types from `map[string]interface{}` to `map[string]any`
- Change variadic function parameters to use `...any` instead of `...interface{}`
- Modernize JSON unmarshaling variables to `any` for consistency
- Update struct fields and method signatures to prefer `any` alias
- Ensure all type assertions and conversions use `any` throughout codebase
- Add PR guidelines in docs to encourage focused, reviewable changes
- Extract InputSentinel constant to shared constants.go file
- Remove duplicate inputSentinel definitions from template.go and patterns.go
- Create withTestExtension helper function to reduce test code duplication
- Refactor 3 test functions to use the helper (reduces ~40 lines per test)
- Fix shell script to use $@ instead of $* for proper argument quoting
Addresses review comments from @ksylvan and @Copilot AI
### 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.
