feat: rebuild rss-news backend, admin ui, and legal extraction pipeline

backend/app/policy.py

@@ -0,0 +1,35 @@
+from __future__ import annotations
+
+from typing import Any
+
+
+def evaluate_source_policy(source: dict[str, Any] | None) -> list[str]:
+    issues: list[str] = []
+    if not source:
+        issues.append("Keine Quelle zugeordnet")
+        return issues
+
+    risk_level = (source.get("risk_level") or "").strip().lower()
+    if risk_level != "green":
+        issues.append(f"Quelle nicht freigegeben (risk_level={risk_level or 'unset'})")
+
+    terms_url = (source.get("terms_url") or "").strip()
+    if not terms_url:
+        issues.append("terms_url fehlt")
+
+    license_name = (source.get("license_name") or "").strip()
+    if not license_name:
+        issues.append("license_name fehlt")
+
+    last_reviewed_at = (source.get("last_reviewed_at") or "").strip()
+    if not last_reviewed_at:
+        issues.append("last_reviewed_at fehlt")
+
+    if int(source.get("is_enabled", 0) or 0) != 1:
+        issues.append("Quelle ist deaktiviert")
+
+    return issues
+
+
+def is_source_allowed(source: dict[str, Any] | None) -> bool:
+    return len(evaluate_source_policy(source)) == 0