feat: view persistence, OIDC auth, unified search, and UX improvements

[Thomas-DeOliveira]

Features

💾 View Mode Persistence (0ff49a0)

• Editor/preview view preference now persists across sessions
• Stored in browser localStorage via BrowserPreferencesPort
• Automatically restores last used view on file open

🔐 Generic OIDC Authentication (e34d9f6)

• Replaced Google-specific OIDC with generic OIDC provider support
• New environment variables:
  • AUTH_OIDC_ISSUER_URL - OIDC provider issuer URL
  • AUTH_OIDC_CLIENT_ID - OAuth client ID
  • AUTH_OIDC_CLIENT_SECRET - OAuth client secret
  • AUTH_OIDC_ALLOWED_EMAILS - Comma-separated list of allowed emails
• Works with any OIDC-compliant provider (Keycloak, Auth0, Okta, Google, etc.)

⌨️ Ctrl+K Quick Switcher Fix (9bbcd3c)

• Fixed Ctrl+K being captured by CodeMirror before Quick Switcher
• Now uses capture phase event listener to intercept keydown early
• Quick Switcher opens reliably in all contexts

🔄 Git Auto-Rebase (9ca8941)

• Git push now automatically rebases on non-fast-forward conflicts and retries
• Returns { rebased: true } to client to trigger stale room detection
• Client shows "Content modified externally" toast and reloads document
• Prevents merge conflicts in collaborative editing scenarios

🔍 Unified File & Content Search (3dc581c)

• Added content search to Quick Switcher (Ctrl+K) alongside existing file search
• New /api/search?q= endpoint returns matches with ~120 char excerpts
• Results grouped by section: "Files" and "Content"
• Minimum 2 characters required for content search

🎯 UI/UX Improvements (916ebb0)

• Close on outside click: Chat panel and overflow menu now close when clicking outside
  • Fixed missing initialization of toolbarOverflowOpen state
• Improved toolbar interaction behavior

Commits

• 0ff49a0 feat(preferences): add preferred view storage and retrieval functionality
• e34d9f6 refactor(auth): generalize OIDC provider handling and update error messages
• 9bbcd3c fix(shortcuts): capture Ctrl+K before CodeMirror in bubble phase
• 9ca8941 feat(git): auto-rebase on non-fast-forward push and reload affected rooms
• 3dc581c feat(search): add unified file and content search in quick switcher
• 916ebb0 feat(toolbar): enhance toolbar interactions and close behavior for overflow menu and chat panel

Testing

• ✅ OIDC authentication with Keycloak
• ✅ View mode persists across page reloads
• ✅ Content search with special characters
• ✅ Popups close on outside click (chat, overflow)
• ✅ Ctrl+K works in all contexts including CodeMirror
• ✅ Git auto-rebase triggers document reload