stabilize tests

docs/modules/ci/architecture.md

@@ -0,0 +1,19 @@
+# CI Architecture
+
+## Purpose
+Describe CI workflows, triggers, and offline constraints for Stella Ops.
+
+## Scope
+- Gitea workflows and templates under `.gitea/`.
+- DevOps scripts under `devops/scripts/` and `.gitea/scripts/`.
+- Build and test policy docs under `docs/technical/cicd/`.
+
+## Principles
+- Deterministic and offline-first execution.
+- Pinned tool versions with explicit provenance.
+- Evidence logged to sprint Execution Log and audits.
+
+## References
+- `docs/technical/cicd/workflow-triggers.md`
+- `docs/technical/cicd/release-pipelines.md`
+- `docs/operations/devops/README.md`