feat(mcp): import Codex MCP from ~/.codex/config.toml

- Support both TOML schemas: [mcp.servers.<id>] and [mcp_servers.<id>]
- Non-destructive merge of imported servers (enabled=true only)
- Preserve existing TOML schema when syncing (prefer mcp_servers)
- Remove both mcp and mcp_servers when no enabled items

feat(ui): auto-import Codex MCP on panel init (app=codex)

chore(tauri): add import_mcp_from_codex command and register

chore(types): expose window.api.importMcpFromCodex and typings

fix(ui): remove unused variable for typecheck

src-tauri/src/lib.rs

@@ -437,6 +437,7 @@ pub fn run() {
             commands::sync_enabled_mcp_to_claude,
             commands::sync_enabled_mcp_to_codex,
             commands::import_mcp_from_claude,
+            commands::import_mcp_from_codex,
             // ours: endpoint speed test + custom endpoint management
             commands::test_api_endpoints,
             commands::get_custom_endpoints,