Changelog

[Unreleased]

Added

• DetectReasonReader — detection from an io.Reader
• Integration test fixtures from 11 real code generators
• errorCodeDefs single-source-of-truth table
• map[FilterOption]struct{} replaces map[FilterOption]bool
• fmt.Stringer on all phantom types
• Runnable examples for ShouldFilter, WithFS, WithIncludePatterns, GetStats, MustShouldFilter, DetectReasonReader

Changed

• Error codes derived from errorCodeDefs table
• Exported FilterStats.FilteredByReason field for direct map access
• Phantom types no longer use format strings in String()

[0.1.0] — 2026-04-04

Added

• Initial release
• Two-phase detection: filename-based (zero I/O) then content-based
• 11 generator detectors: sqlc, templ, go-enum, protobuf, oapi-codegen, deepcopy-gen, wire, moq, mockgen, stringer, generic
• Functional options API: Enabled(), Disabled(), WithFilterOptions(), WithFS(), WithIncludePatterns(), WithExcludePatterns()
• fs.FS abstraction for testing
• Thread-safe metrics
• SQLC config discovery
• Glob pattern matching with ** support
• Branded error types with sentinel errors
• Phantom types for type-safe API boundaries