chore: bump version to 6.3.4 in pyproject.toml and uv.lock

feat: Implement live tool-call tracking in ChatPanel and MessageBubbl…

…e components

fix: Update Agent class to handle tool-call events and yield structured data
bump: Update version to 6.3.3 in pyproject.toml and lock files

Bump version to 6.3.2 in pyproject.toml and uv.lock