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@.cursor/rules/rule.md @.cursor/rules/rule2_compact.md
@file1 @file2

Task: implement [specific feature/fix] with minimal scoped changes.
Constraints: preserve existing behavior outside scope; do not touch unrelated modules.
Definition of Done:
1) [Primary outcome] works in [target flow/module].
2) No regressions in [critical existing behavior].
Validation:
- Run targeted checks/tests for touched area (example: pytest tests/test_target.py -q).
- Run a quick smoke path manually and confirm expected result.

Implement directly and report briefly:
changed files, validation results, residual risks.