## Summary
- Add a new setting to configure the maximum number of tool call steps
for local agent interactions
- Users can choose from Low (25), Default (50), High (100), Very High
(250) options
- The setting is integrated into the settings page with search index
support

## Test plan
- [ ] Verify the setting appears in Settings > Agent Settings
- [ ] Change the value and confirm it persists after app restart
- [ ] Verify the agent respects the configured limit during tool calls
- [ ] Run the new e2e tests to confirm UI interactions work correctly

🤖 Generated with [Claude Code](https://claude.com/claude-code)
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Co-authored-by: Will Chen <willchen90@gmail.com>
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>