Remove BACKEND_STRINGS_STRATEGY.md (internal planning doc), test_auth.py
(GP auth debugging script), and en.json (dev-time string snapshot).
Also add venv/ to .gitignore to prevent accidental commits of the local virtualenv.
- Add 56 new translation keys for sidebar categories, nav items, labels, buttons, and empty states
- Convert SIDEBAR_CATEGORIES display_names to i18n key references in styleUtils.ts
- Update 13 sidebar components to use t() for all user-facing strings
- Refresh all 6 locale files from GP (382 total keys)
- Add BACKEND_STRINGS_STRATEGY.md documenting plan for component display_name i18n
- Fix quote style, import ordering, docstring format
- Use Path instead of os.makedirs/open/os.path.join
- Add missing timeouts to requests calls
- Move noqa comments to correct lines for S501
- Add GP REST API client with GP-HMAC authentication (scripts/gp/gp_client.py)
- Add upload/download scripts for syncing strings with GP
- Set up i18next + react-i18next with 7 language support (en, fr, ja, es, de, pt, zh-Hans)
- Add 48 UI strings in flat dot notation to en.json (from alerts_constants)
- Add GitHub Actions for automated upload on en.json changes and daily translation download
