chore: initialize insar management system v2

backend/app/dinsar_engines/registry.py

@@ -0,0 +1,40 @@
+"""Registry for D-InSAR engine instances."""
+from __future__ import annotations
+
+from typing import Dict, List, Optional
+
+from .base import DinsarEngine
+
+_registry: Dict[str, DinsarEngine] = {}
+
+
+def register(engine: DinsarEngine) -> None:
+    """Registers or replaces an engine instance."""
+
+    _registry[engine.engine_code] = engine
+
+
+def get_engine(engine_code: str) -> Optional[DinsarEngine]:
+    """Returns a registered engine instance by code."""
+
+    return _registry.get(engine_code)
+
+
+def list_engines() -> List[DinsarEngine]:
+    """Returns all registered engines in registration order."""
+
+    return list(_registry.values())
+
+
+def _bootstrap() -> None:
+    """Imports and registers all built-in engines."""
+
+    from .isce2_engine import Isce2Engine
+    from .landsar_engine import LandsarEngine
+    from .sarscape_engine import SarscapeEngine
+
+    for engine in (SarscapeEngine(), Isce2Engine(), LandsarEngine()):
+        register(engine)
+
+
+_bootstrap()