- Added package-lock.json to semantic-release git assets
- Fixed version mismatch between package.json and package-lock.json

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-authored-by: Claude <noreply@anthropic.com>

- Add isDefault flag to SwitchCondition type
- Initialize Switch with Case 1, Case 2, default branches
- Protect default branch from deletion and editing
- Add auto-migration for existing workflows without default
- Update translations for 5 languages (en, ja, ko, zh-CN, zh-TW)

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Co-authored-by: Claude <noreply@anthropic.com>

Bumps [react](https://github.com/facebook/react/tree/HEAD/packages/react) and [@types/react](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react). These dependencies needed to be updated together.

Updates `react` from 18.3.1 to 19.2.0
- [Release notes](https://github.com/facebook/react/releases)
- [Changelog](https://github.com/facebook/react/blob/main/CHANGELOG.md)
- [Commits](https://github.com/facebook/react/commits/v19.2.0/packages/react)

Updates `@types/react` from 18.3.26 to 19.2.2
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react)

---
updated-dependencies:
- dependency-name: react
  dependency-version: 19.2.0
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: "@types/react"
  dependency-version: 19.2.2
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Bumps [react-dom](https://github.com/facebook/react/tree/HEAD/packages/react-dom) and [@types/react-dom](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react-dom). These dependencies needed to be updated together.

Updates `react-dom` from 18.3.1 to 19.2.0
- [Release notes](https://github.com/facebook/react/releases)
- [Changelog](https://github.com/facebook/react/blob/main/CHANGELOG.md)
- [Commits](https://github.com/facebook/react/commits/v19.2.0/packages/react-dom)

Updates `@types/react-dom` from 18.3.7 to 19.2.2
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react-dom)

---
updated-dependencies:
- dependency-name: react-dom
  dependency-version: 19.2.0
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: "@types/react-dom"
  dependency-version: 19.2.2
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* feat: add Slack OAuth authentication flow

- Add SlackOAuthService for OAuth 2.0 flow management
- Add /slack/init session pre-registration before auth
- Support both 'completed' and 'success' poll status
- Add tabbed UI (OAuth + Manual Token) in connection dialog
- Add i18n translations for OAuth in 5 languages

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

* fix: improve Slack OAuth UX and polling behavior

- Update OAuth tab title and button text for clarity
- Replace "Bot" with "Slack App" in error messages (all 5 languages)
- Implement exponential backoff for OAuth polling (1s→5s max)
- Generalize token deletion message for OAuth/manual tokens

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

* fix: ensure OAuth cancel button stops polling

- Pass oauthService instance to handleConnectSlackOAuth
- Use same instance for polling and cancellation
- Fixes issue where cancel button didn't stop OAuth polling

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

* fix: auto-cancel OAuth polling when dialog closes or tab closes

- Cancel polling when dialog is closed (click outside, ESC, etc.)
- Cancel polling when Webview panel is disposed (tab closed)
- Ensures polling doesn't continue in background after user leaves

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

* fix: cancel OAuth polling on backdrop click during loading

- Allow closing dialog by clicking outside even during OAuth loading
- Cancel OAuth polling before closing when backdrop is clicked

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

* fix: improve Slack OAuth UI text and remove redundant elements

- Remove redundant review notice title, keep only message
- Update OAuth tab title from "add" to "connect"
- Clarify OAuth description text for better UX
- Update review notice message wording
- Apply changes across all 5 languages

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

---------

Co-authored-by: Claude <noreply@anthropic.com>

Release: v2.15.0

## [2.15.0](v2.14.1...v2.15.0) (2025-11-28)

### Features

* add default branch to Switch node ([#166](#166)) ([82b164b](82b164b))
* add Slack OAuth authentication flow ([#167](#167)) ([7b49a5e](7b49a5e))