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### Reminder - [ ] I have read `AGENTS.md` and `docs/developers_guide/agent_governance.md`. - [ ] I have linked an issue or explained why this PR does not need one. - [ ] I have added adequate unit tests and/or case tests, or explained why not. - [ ] I have listed the exact verification commands run and their results. - [ ] I have described user-visible behavior changes, including INPUT parameter changes. - [ ] I have explained core-module impact for ESolver, HSolver, ElecState, Hamilt, Operator, Psi, or other `source/` changes. - [ ] I have requested any needed governance exception below. ### Linked Issue Fix # ### Unit Tests and/or Case Tests for my changes - Commands run: - Result summary: - Checks not run, with reason: ### What's changed? - Example: brief summary of the user-visible or developer-facing change. ### Governance Notes - INPUT/docs changes: - Core module impact: - Exceptions requested: