wahnsinn vibe

backend/core/settings_service.py

@@ -0,0 +1,43 @@
+"""Key-Value settings store with Redis projection."""
+from __future__ import annotations
+
+import json
+from typing import Any
+
+from sqlalchemy import JSON, String
+from sqlalchemy.orm import Mapped, Session, mapped_column
+
+from core.db import Base
+from core.events import event_bus
+from core.redis_client import redis_client
+
+
+class Setting(Base):
+    __tablename__ = "settings"
+
+    key: Mapped[str] = mapped_column(String(128), primary_key=True)
+    value: Mapped[dict] = mapped_column(JSON)
+
+
+def get_setting(db: Session, key: str, default: Any = None) -> Any:
+    row = db.get(Setting, key)
+    return row.value.get("v") if row else default
+
+
+def set_setting(db: Session, key: str, value: Any) -> None:
+    row = db.get(Setting, key)
+    if row:
+        row.value = {"v": value}
+    else:
+        row = Setting(key=key, value={"v": value})
+        db.add(row)
+    db.commit()
+    redis_client.set(f"setting:{key}", json.dumps(value))
+    event_bus.publish("core.settings_updated", {"key": key, "value": value}, db=db)
+
+
+def get_setting_cached(key: str, default: Any = None) -> Any:
+    raw = redis_client.get(f"setting:{key}")
+    if raw is None:
+        return default
+    return json.loads(raw)