Adding the new rewrite

app/health.py

@@ -0,0 +1,29 @@
+"""Liveness + readiness probes."""
+from __future__ import annotations
+
+from .config_store import load_config_redis
+from .storage import get_redis
+
+
+def liveness() -> dict:
+    return {"status": "ok"}
+
+
+def readiness() -> tuple[int, dict]:
+    """Returns (http_status, payload)."""
+    checks = {}
+    ok = True
+    try:
+        r = get_redis()
+        r.ping()
+        checks["redis"] = "ok"
+    except Exception as e:  # noqa: BLE001
+        checks["redis"] = f"error: {e}"
+        ok = False
+    try:
+        load_config_redis()
+        checks["config"] = "ok"
+    except Exception as e:  # noqa: BLE001
+        checks["config"] = f"error: {e}"
+        ok = False
+    return (200 if ok else 503, {"status": "ok" if ok else "error", "checks": checks})