fix: restore newlines in command display and filter multi-line patterns #3931
+97
−5
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Summary
This PR fixes the UI display issue where newline placeholders were visible in the command execution display and multi-line commands were cluttering the pattern selector.
Changes
Testing
✅ All 17 quote protection tests pass
✅ All 136 command validation tests pass
✅ All 3 new UI display tests pass
✅ All 388 chat and validation tests pass
Before
___NEWLINE___and___CARRIAGE_RETURN___were visible in the UIAfter