refactor: single predict.py entrypoint (production + CLI), archive experiments

archive/rpo_iki/configs/model_registry.json

@@ -0,0 +1,17 @@
+{
+  "active_model_id": "karung-dimuat-seg-200e",
+  "models": {
+    "karung-dimuat-seg-200e": {
+      "filename": "karung-dimuat-seg-200e.pt",
+      "version": "1.0.0",
+      "released_at": "2026-07-09T08:00:00Z",
+      "download_url": "https://github.com/rrabbanifasha-alt/feedmill-semarang/releases/download/v1.0.0/karung-dimuat-seg-200e.pt",
+      "md5": "d41d8cd98f00b204e9800998ecf8427e",
+      "description": "Baseline model trained for 200 epochs on feedmill sacks dataset",
+      "metrics": {
+        "mAP50_mask": 0.899,
+        "validation_mae": 0.67
+      }
+    }
+  }
+}