Terminal:
- New /terminal page with Linux-style terminal UI (dark theme, title bar, prompt)
- OCI Config selector — isolated per user (ownership check)
- Tab autocomplete: parses oci --help dynamically, caches results, commands first
- Command history (↑/↓) persisted in DB per user
- Security: only 'oci' commands, blocks pipes/redirects/shell injection
- Built-in commands: clear, history, help
- Timeout 60s per command
i18n:
- Spanish (es.ts): 748+ keys, Latin American formal
- Language selector moved from sidebar to My Settings (🇧🇷/🇺🇸/🇪🇸)
- Auto-detect browser language (pt/es/en)
Backend:
- POST /api/terminal/execute — run OCI CLI with selected config
- GET /api/terminal/completions — dynamic autocomplete from oci --help
- GET /api/terminal/history — per-user command history
- terminal_history table in SQLite
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