- add build artifacts/report rule (.build) to AGENTS

- set DoD minimum automated test coverage to 80%
- extend reconcile scripts (ps1/sh) to ensure .gitignore contains .build/
- sync repository standards files to latest template

docs/DEFINITION_OF_DONE.md

@@ -10,7 +10,7 @@ This Definition of Done defines the minimum quality bar for every completed chan
 - Every code change is covered by tests where applicable.
 - New functionality includes new tests.
 - Bug fixes include at least one regression test.
-- Minimum code coverage is 80% (statements, measured with `go test -cover`).
+- Automated test coverage is at least 80%.
 
 1. Functional documentation
 - Implemented functionality is documented.
@@ -39,7 +39,7 @@ This Definition of Done defines the minimum quality bar for every completed chan
 
 - [ ] Change is implemented and meets acceptance criteria.
 - [ ] Tests were added/updated and pass.
-- [ ] Code coverage is at least 80%.
+- [ ] Automated test coverage is at least 80%.
 - [ ] Functionality is documented.
 - [ ] Documentation is in English.
 - [ ] Documentation is located under `docs/` (except `README.md` and `AGENTS.md`).