feat(harness): complete protocol repair stop and archive ISS-016

Add repairable INVALID_PROGRESS_PROTOCOL observations, independent
PROGRESS_PROTOCOL_VIOLATED saturation, and controlled release paths.
Archive the OpenSpec change after syncing main specs and devflow.

src/main/java/com/superbiz/agent/harness/release/DiagnosisReleaseUseCase.java

@@ -166,7 +166,8 @@ public final class DiagnosisReleaseUseCase {
             DiagnosisProgressSnapshot progress,
             DiagnosisStopReason stopReason) {
         if (stopReason != DiagnosisStopReason.INFORMATION_SATURATED
-                && stopReason != DiagnosisStopReason.BUDGET_LIMIT_REACHED) {
+                && stopReason != DiagnosisStopReason.BUDGET_LIMIT_REACHED
+                && stopReason != DiagnosisStopReason.PROGRESS_PROTOCOL_VIOLATED) {
             throw new IllegalStateException("Unsupported Diagnosis stop reason");
         }
         if (!progress.hasObservedFacts()) {