## 1. Backend SSH Key API

- [x] 1.1 Create `apps/api/src/api/ssh_keys.py` with endpoints for list, generate, and delete SSH keys.
- [x] 1.2 Implement Ed25519 key generation using cryptography library.
- [x] 1.3 Implement Fernet encryption for private keys.
- [x] 1.4 Add Pydantic schemas for SSHKeyCreate, SSHKeyResponse.
- [x] 1.5 Register ssh_keys router in `apps/api/src/main.py`.
- [x] 1.6 Add backend tests for SSH key CRUD operations.

## 2. Frontend SSH Keys Page

- [x] 2.1 Create `apps/web/src/api/ssh_keys.ts` with API methods.
- [x] 2.2 Create `apps/web/src/pages/ssh-keys.tsx` with key list, generate form, and delete action.
- [x] 2.3 Add `/ssh-keys` route in `apps/web/src/router.tsx`.
- [x] 2.4 Update app shell navigation to include SSH keys link.

## 3. Verification

- [x] 3.1 Run backend checks (pytest, ruff, mypy).
- [x] 3.2 Run frontend checks (npm test, typecheck, lint, build).
- [x] 3.3 Update tasks file with completed checkboxes.