Publish curated GeoIntel source snapshot

backend/app/core/errors.py

@@ -0,0 +1,15 @@
+class AppError(Exception):
+    """Domain error used by services to return canonical API errors."""
+
+    def __init__(
+        self,
+        code: str,
+        message: str,
+        details: dict | list | None = None,
+        status_code: int = 400,
+    ) -> None:
+        super().__init__(message)
+        self.code = code
+        self.message = message
+        self.details = details or {}
+        self.status_code = status_code