Fix M8 foundation: dry-run exception handling, GUI close race, registry API, contract serialization, semver parser

src/cmdforge/cli/registry_commands.py

@@ -433,26 +433,27 @@ def _cmd_registry_publish(args):
                     config_yaml, readme=readme, defaults=defaults,
                     dry_run=True,
                 )
-                errors = result.get("errors") or []
-                warnings = result.get("warnings") or []
-                if errors:
-                    print(f"Preflight errors ({len(errors)}):")
-                    for err in errors:
-                        print(f"  ERROR: {err}")
-                if warnings:
-                    print(f"Preflight warnings ({len(warnings)}):")
-                    for warn in warnings:
-                        print(f"  WARN: {warn}")
-                if not errors and not warnings:
-                    print("Registry preflight passed.")
-                return 0 if not errors else 1
             except Exception as e:
-                print(f"Registry preflight unavailable: {e}")
-                print("Proceeding with local validation only.")
-        else:
-            print("No registry token configured — local validation only.")
-            print("Configure a token to get registry-side preflight checks.")
-        return 0
+                print(f"Registry preflight error: {e}", file=sys.stderr)
+                return 1
+            errors = result.get("errors") or []
+            warnings = result.get("warnings") or []
+            suggestions = result.get("suggestions") or []
+            if errors:
+                print(f"Preflight errors ({len(errors)}):")
+                for err in errors:
+                    print(f"  ERROR: {err}")
+            if warnings:
+                print(f"Preflight warnings ({len(warnings)}):")
+                for warn in warnings:
+                    print(f"  WARN: {warn}")
+            if suggestions:
+                print(f"Suggestions ({len(suggestions)}):")
+                for sug in suggestions:
+                    print(f"  HINT: {sug}")
+            if not errors and not warnings and not suggestions:
+                print("Registry preflight passed.")
+            return 0 if not errors else 1
 
     # Check for token
     config = load_config()