e31f2ef6f0
- Simplified null/empty checks across TypeScript codebase using optional chaining operator (?.) for improved readability. - Replaced explicit null checks in validation logic with optional chaining in oauth-discovery, gemini-cli, claude, zai, and lsp modules. - Updated error handling in Rust command invocation to use double question mark operator (??) for cmd_result. - Consolidated null validation patterns across tools (bash-skill-urls, browser, gemini-image, resolve) and keybindings using optional chaining.