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entrypoint.py

@@ -217,6 +217,25 @@ def _run_training_subprocess(cmd: list[str]) -> int:
 def run_job_mode() -> int:
     os.chdir(REPO_ROOT)
 
+    # Guardian: force contrastive_rank=0 and disk-patch sdr_semantic.py
+    os.environ["HYDRA_CONTRASTIVE_RANK"] = "0"
+    _sdr_path = REPO_ROOT / 'subsystems' / 'sdr_semantic.py'
+    if _sdr_path.exists():
+        _text = _sdr_path.read_text()
+        if 'retina_contrastive' not in _text:
+            print('[guardian] patching sdr_semantic.py on disk ...', flush=True)
+            _text = _text.replace(
+                'super().__init__()\n' +
+                '        # Audit 2026-05-13: allow disabling',
+                'super().__init__()\n' +
+                '        self.retina_contrastive = None  # guardian patch\n' +
+                '        # Audit 2026-05-13: allow disabling',
+            )
+            _sdr_path.write_text(_text)
+            print('[guardian] patched sdr_semantic.py on disk', flush=True)
+        print('[guardian] HYDRA_CONTRASTIVE_RANK=0 enforced for checkpoint compat', flush=True)
+
+
     # Dynamic live patch from GitHub to bypass Space build errors
     GIT_REF = os.environ.get('FEATHER_GIT_REF')
     if GIT_REF:
@@ -288,4 +307,4 @@ def main() -> int:
 
 
 if __name__ == '__main__':
-    raise SystemExit(main())
+    raise SystemExit(main())