Add `DeerFlowClient` class that provides direct in-process access to
DeerFlow's agent and Gateway capabilities without requiring LangGraph
Server or Gateway API processes. This enables users to import and use
DeerFlow as a Python library.
Co-authored-by: greatmengqi <chenmengqi.0376@bytedance.com>
Remove .claude/settings.local.json from git tracking and add it to .gitignore to prevent future accidental commits of local settings.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
