chore: commit sisyphus evidence and CI/CD artifacts

.sisyphus/evidence/task-4-branch-created.txt

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+BRANCH VERIFICATION - TASK 4
+=============================
+Timestamp: 2026-03-08T00:00:00Z
+
+Current Branch Status:
+  Active Branch: feature/fix-self-assignment
+  Commit Hash: 785502f
+  Commit Message: fix(cd): configure buildx for HTTP-only insecure registry
+  Working Tree: CLEAN (no uncommitted changes)
+
+Branch Base:
+  Merge Base: 785502f113daf253ede27b65cd52b4af9ca7d201
+  Main Tip: 785502f fix(cd): configure buildx for HTTP-only insecure registry
+  Branch Commits Ahead: 0
+
+Result: ✓ PASS
+- Branch is correctly named feature/fix-self-assignment
+- Branch is at main tip (no divergence)
+- Working tree is clean and ready for work