960056c88c
Implement business logic for Gitea server management: - create_server(): Create servers with encrypted API tokens - list_servers(): List all servers ordered by creation time - get_server(): Retrieve server by ID - update_server(): Update server configuration with token re-encryption - delete_server(): Delete servers - get_decrypted_token(): Decrypt API tokens for operations Features: - API token encryption using AES-256-GCM - Automatic local_path generation based on server name - SSH key validation before server creation - Name uniqueness enforcement - Timestamp tracking (created_at, updated_at) - Repos directory auto-creation Tests: - 24 comprehensive test cases covering all scenarios - Encryption verification tests - Edge case handling (duplicates, not found, invalid references) - All tests passing (63/63 total) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>