v0.2.0

Changelog

• 515a461 ci: matrix tests (linux+macos) and goreleaser release pipeline
• 8933884 fix: replace managed block in place and surface install write failures
• c3c41ee feat: skills trio, fdf install (idempotent multi-harness), fdf serve, Claude plugin manifest
• 508e4f0 fix: guard migrate link rewrites (root-absolute, external URLs, exact fdf-spec match) and surface rename failures
• 1172c54 feat: fdf migrate — mechanical v0.1 to v0.2 bundle upgrade
• 7ffb810 fix: surface group-index write failures and gate create-vs-append on ErrNotExist
• 95fe4fb feat: fdf init and fdf new scaffolds with conformance-checked output
• 7d857d2 docs: publish SPEC v0.2 and README
• e65d724 feat: v0.2 fixtures (cycle, F8, casing), submodule R1 integration test, fdf validate command
• e7b3391 feat: FDF v0.2 validator (F1-F8 + R1) passing the 15 ported conformance fixtures
• 55c9408 feat: frontmatter parser and conformance fixture harness (RED: Validate lands next)
• 3775733 feat: superproject-aware project root and uniform bundle-root resolution
• 9d5e5bf fix: anchor .gitignore binary pattern so it cannot shadow cli/cmd/fdf sources
• f1b0682 feat: bootstrap repo — MIT license, Go module, version stub