v0.3.0

Changelog

• f672daf Merge pull request #24 from Aejkatappaja/docs/bump-lp-version
• 2437362 Merge pull request #25 from Aejkatappaja/chore/linguist-attributes
• d3d32b1 Merge pull request #26 from Aejkatappaja/feat/mock-status-codes
• c82fd9b Merge pull request #27 from Aejkatappaja/test/verify-probes-e2e
• aca95f0 Merge pull request #28 from Aejkatappaja/feat/custom-viewports
• e54ee51 Merge pull request #29 from Aejkatappaja/docs/viewports-and-mock-status
• bf9b9a8 Merge pull request #30 from Aejkatappaja/docs/contributing-adapter-guide
• 080a622 Merge pull request #31 from Aejkatappaja/feat/auth-header-injection
• cc87d25 Merge pull request #32 from Aejkatappaja/chore/release-v0.3.0
• b9ea3a9 chore(release): prepare v0.3.0
• 69adf48 docs(site): bump version pill to v0.2
• 2f51d86 feat(adapters): optional status code per mock for error-state previews
• d23cd06 feat(server): inject auth headers into target requests for protected previews
• 17a86db feat(ui): project-defined viewports + per-story viewport memory
• d2b63d9 test(ui): verify Turbo/Unpoly/Datastar probes end to end + fix nav-guard shadowing