chore(main): release 2.0.0

[github-actions]

🤖 I have created a release beep boop

2.0.0 (2026-07-13)

⚠ BREAKING CHANGES

• complete rewrite; legacy flat storage keys are migrated non-destructively to the new settings object on first run.

Features

• add comprehensive Vitest test suite with 96% coverage (eda9948)
• providers: add OpenAI-compatible server provider (e4c8081)
• rebuild as Cloud Speech for Chrome with multi-provider TTS (24dcf0e)
• web: rework the extra-models guide around LiteLLM, fix dev-mode reset (30b39df)

Bug Fixes

• add type assertions for Chrome storage API (aa81788)
• avoid #i18n in the background module graph (eda81ca)
• correct TypeScript types in test files (66be267)
• ignore unused variables starting with underscore (3f831e2)
• install missing @testing-library/react dependency (b004795)
• providers: reject transient custom-server failures instead of masking them (8cc44e7)
• resolve all ESLint errors and update pre-commit hook (ec47183)
• resolve CodeQL alerts in tag stripping and dev shell commands (14e653d)

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[Vivswan]

Superseded by #67 — the root package was renamed to cloud-speech, so release-please tracks the new component branch now.