diff --git a/backend/artifacts_registry.py b/backend/artifacts_registry.py
new file mode 100644
index 0000000..9239ecb
--- /dev/null
+++ b/backend/artifacts_registry.py
@@ -0,0 +1,70 @@
+import json
+import os
+from datetime import datetime
+from pathlib import Path
+
+DATA_DIR = Path(os.getenv('DEVCONSOLE_DATA_DIR', '/var/lib/devconsole'))
+ARTIFACTS_FILE = DATA_DIR / 'apk_artifacts.json'
+MAX_ARTIFACTS_PER_WORKSPACE = 50
+
+
+def _read_all() -> list[dict]:
+    if not ARTIFACTS_FILE.exists():
+        return []
+    try:
+        data = json.loads(ARTIFACTS_FILE.read_text(encoding='utf-8'))
+        return data if isinstance(data, list) else []
+    except Exception:
+        return []
+
+
+def _write_all(items: list[dict]) -> list[dict]:
+    ARTIFACTS_FILE.parent.mkdir(parents=True, exist_ok=True)
+    ARTIFACTS_FILE.write_text(json.dumps(items, ensure_ascii=False, indent=2), encoding='utf-8')
+    return items
+
+
+def list_artifacts(workspace: str | None = None, limit: int = 20) -> list[dict]:
+    items = _read_all()
+    if workspace:
+        items = [item for item in items if item.get('workspace') == workspace]
+    return sorted(items, key=lambda item: item.get('created_at', ''), reverse=True)[:limit]
+
+
+def record_apk_artifact(
+    workspace: str,
+    apk_path: str,
+    project_name: str | None = None,
+    version: str | None = None,
+    build: str | int | None = None,
+    ota_result: dict | None = None,
+    source: str = 'runtime',
+) -> dict:
+    path = Path(apk_path)
+    stat = path.stat() if path.exists() else None
+    item = {
+        'id': f"{datetime.utcnow().strftime('%Y%m%d%H%M%S')}-{abs(hash((workspace, apk_path))) % 1000000}",
+        'workspace': workspace,
+        'project_name': project_name or '',
+        'apk_path': path.as_posix(),
+        'apk_name': path.name,
+        'size_bytes': stat.st_size if stat else 0,
+        'version': version or '',
+        'build': str(build or ''),
+        'source': source,
+        'created_at': datetime.utcnow().isoformat() + 'Z',
+        'ota_success': bool((ota_result or {}).get('success')),
+        'ota_latest_json': (ota_result or {}).get('latest_json'),
+        'ota_uploaded': (ota_result or {}).get('uploaded') or [],
+    }
+
+    items = _read_all()
+    items.append(item)
+
+    workspace_items = [entry for entry in items if entry.get('workspace') == workspace]
+    workspace_items = sorted(workspace_items, key=lambda entry: entry.get('created_at', ''), reverse=True)
+    keep_ids = {entry.get('id') for entry in workspace_items[:MAX_ARTIFACTS_PER_WORKSPACE]}
+    items = [entry for entry in items if entry.get('workspace') != workspace or entry.get('id') in keep_ids]
+
+    _write_all(items)
+    return item