diff --git a/apps/api/src/services/awooop_truth_chain_service.py b/apps/api/src/services/awooop_truth_chain_service.py
index 7f7ea8d0..434e6849 100644
--- a/apps/api/src/services/awooop_truth_chain_service.py
+++ b/apps/api/src/services/awooop_truth_chain_service.py
@@ -27,8 +27,8 @@ from src.services.awooop_ansible_check_mode_service import detect_ansible_transp
 from src.services.awooop_ansible_audit_service import build_ansible_truth
 from src.services.drift_repeat_state import build_drift_repeat_state
 from src.services.operator_summary_cache import (
-    get_cached_operator_summary,
-    store_operator_summary,
+    get_cached_operator_summary_async,
+    store_operator_summary_async,
 )
 
 logger = structlog.get_logger(__name__)
@@ -1757,7 +1757,7 @@ async def fetch_automation_quality_summary(
         "limit": bounded_limit,
     }
     if not refresh:
-        cached_summary = get_cached_operator_summary(
+        cached_summary = await get_cached_operator_summary_async(
             "truth_chain_quality_summary",
             cache_key,
             ttl_seconds=_QUALITY_SUMMARY_CACHE_TTL_SECONDS,
@@ -1876,7 +1876,7 @@ async def fetch_automation_quality_summary(
         cache_status="miss",
         cache_ttl_seconds=_QUALITY_SUMMARY_CACHE_TTL_SECONDS,
     )
-    return store_operator_summary(
+    return await store_operator_summary_async(
         "truth_chain_quality_summary",
         cache_key,
         summary,
diff --git a/apps/api/src/services/operator_summary_cache.py b/apps/api/src/services/operator_summary_cache.py
index d8f76709..b5b94a3c 100644
--- a/apps/api/src/services/operator_summary_cache.py
+++ b/apps/api/src/services/operator_summary_cache.py
@@ -66,6 +66,30 @@ def _with_cache_meta(value: dict[str, Any], meta: dict[str, Any]) -> dict[str, A
     return response
 
 
+def _redis_key(namespace: str, key_parts: dict[str, Any]) -> str:
+    return f"awooop:operator_summary:{_cache_key(namespace, key_parts)}"
+
+
+def _json_default(value: Any) -> str:
+    if isinstance(value, datetime):
+        return value.isoformat()
+    return str(value)
+
+
+def _decode_redis_value(raw: Any) -> dict[str, Any] | None:
+    if raw is None:
+        return None
+    if isinstance(raw, bytes):
+        raw = raw.decode("utf-8")
+    if not isinstance(raw, str):
+        return None
+    try:
+        payload = json.loads(raw)
+    except json.JSONDecodeError:
+        return None
+    return payload if isinstance(payload, dict) else None
+
+
 def get_cached_operator_summary(
     namespace: str,
     key_parts: dict[str, Any],
@@ -92,6 +116,58 @@ def get_cached_operator_summary(
     )
 
 
+async def get_cached_operator_summary_async(
+    namespace: str,
+    key_parts: dict[str, Any],
+    *,
+    ttl_seconds: int,
+    now_monotonic: float | None = None,
+) -> dict[str, Any] | None:
+    """Return a shared Redis cache hit, falling back to process memory."""
+    redis_key = _redis_key(namespace, key_parts)
+    try:
+        from src.core.redis_client import get_redis
+
+        redis_client = get_redis()
+        payload = _decode_redis_value(await redis_client.get(redis_key))
+        if payload is not None and isinstance(payload.get("value"), dict):
+            stored_epoch = float(payload.get("stored_epoch") or 0.0)
+            now_epoch = time.time()
+            ttl_value = max(1, int(ttl_seconds))
+            age_seconds = now_epoch - stored_epoch
+            if 0 <= age_seconds < ttl_value:
+                stored_at_raw = payload.get("stored_at")
+                try:
+                    stored_at = datetime.fromisoformat(str(stored_at_raw))
+                except ValueError:
+                    stored_at = datetime.now(UTC) - timedelta(seconds=age_seconds)
+                record = _CacheRecord(
+                    value=payload["value"],
+                    stored_at=stored_at,
+                    stored_monotonic=(now_monotonic or time.monotonic())
+                    - age_seconds,
+                    ttl_seconds=ttl_value,
+                )
+                return _with_cache_meta(
+                    record.value,
+                    _cache_meta(
+                        status="hit",
+                        record=record,
+                        age_seconds=age_seconds,
+                    ),
+                )
+            await redis_client.delete(redis_key)
+    except Exception:
+        pass
+
+    return get_cached_operator_summary(
+        namespace,
+        key_parts,
+        ttl_seconds=ttl_seconds,
+        now_monotonic=now_monotonic,
+    )
+
+
 def store_operator_summary(
     namespace: str,
     key_parts: dict[str, Any],
@@ -117,6 +193,46 @@ def store_operator_summary(
     )
 
 
+async def store_operator_summary_async(
+    namespace: str,
+    key_parts: dict[str, Any],
+    value: dict[str, Any],
+    *,
+    ttl_seconds: int,
+    now_monotonic: float | None = None,
+    now_utc: datetime | None = None,
+) -> dict[str, Any]:
+    """Store a fresh summary in Redis and process memory."""
+    stored_at = now_utc or datetime.now(UTC)
+    ttl_value = max(1, int(ttl_seconds))
+    response = store_operator_summary(
+        namespace,
+        key_parts,
+        value,
+        ttl_seconds=ttl_value,
+        now_monotonic=now_monotonic,
+        now_utc=stored_at,
+    )
+    payload = {
+        "value": deepcopy(value),
+        "stored_at": stored_at.isoformat(),
+        "stored_epoch": time.time(),
+        "ttl_seconds": ttl_value,
+    }
+    try:
+        from src.core.redis_client import get_redis
+
+        redis_client = get_redis()
+        await redis_client.set(
+            _redis_key(namespace, key_parts),
+            json.dumps(payload, ensure_ascii=False, default=_json_default),
+            ex=ttl_value,
+        )
+    except Exception:
+        pass
+    return response
+
+
 def clear_operator_summary_cache() -> None:
     """Clear process-local cache for tests and controlled operator refreshes."""
     _CACHE.clear()
diff --git a/apps/api/src/services/platform_operator_service.py b/apps/api/src/services/platform_operator_service.py
index f26a9b11..c5a9f67e 100644
--- a/apps/api/src/services/platform_operator_service.py
+++ b/apps/api/src/services/platform_operator_service.py
@@ -61,8 +61,8 @@ from src.services.ollama_failover_manager import (
 from src.services.ollama_health_monitor import HealthReport, HealthStatus
 from src.services.operator_outcome import build_operator_outcome
 from src.services.operator_summary_cache import (
-    get_cached_operator_summary,
-    store_operator_summary,
+    get_cached_operator_summary_async,
+    store_operator_summary_async,
 )
 from src.services.run_state_machine import transition
 
@@ -337,7 +337,7 @@ async def list_callback_replies(
         "per_page": per_page,
     }
     if not refresh:
-        cached_response = get_cached_operator_summary(
+        cached_response = await get_cached_operator_summary_async(
             "callback_replies",
             cache_key,
             ttl_seconds=_CALLBACK_REPLY_CACHE_TTL_SECONDS,
@@ -515,7 +515,7 @@ async def list_callback_replies(
         cache_status="miss",
         cache_ttl_seconds=_CALLBACK_REPLY_CACHE_TTL_SECONDS,
     )
-    return store_operator_summary(
+    return await store_operator_summary_async(
         "callback_replies",
         cache_key,
         response,
diff --git a/apps/api/tests/test_operator_summary_cache.py b/apps/api/tests/test_operator_summary_cache.py
index 83621450..f9cb14ea 100644
--- a/apps/api/tests/test_operator_summary_cache.py
+++ b/apps/api/tests/test_operator_summary_cache.py
@@ -1,12 +1,33 @@
 from datetime import UTC, datetime
 
+import pytest
+
 from src.services.operator_summary_cache import (
     clear_operator_summary_cache,
+    get_cached_operator_summary_async,
     get_cached_operator_summary,
+    store_operator_summary_async,
     store_operator_summary,
 )
 
 
+class _FakeRedis:
+    def __init__(self) -> None:
+        self.values: dict[str, str] = {}
+        self.expirations: dict[str, int] = {}
+
+    async def get(self, key: str) -> str | None:
+        return self.values.get(key)
+
+    async def set(self, key: str, value: str, ex: int) -> bool:
+        self.values[key] = value
+        self.expirations[key] = ex
+        return True
+
+    async def delete(self, key: str) -> int:
+        return 1 if self.values.pop(key, None) is not None else 0
+
+
 def test_operator_summary_cache_returns_copy_with_hit_metadata() -> None:
     clear_operator_summary_cache()
     key = {"project_id": "awoooi", "limit": 30}
@@ -47,6 +68,38 @@ def test_operator_summary_cache_expires_by_ttl() -> None:
         now_utc=datetime(2026, 6, 1, tzinfo=UTC),
     )
 
+
+@pytest.mark.asyncio
+async def test_operator_summary_cache_uses_shared_redis(monkeypatch) -> None:
+    clear_operator_summary_cache()
+    fake_redis = _FakeRedis()
+    monkeypatch.setattr("src.core.redis_client.get_redis", lambda: fake_redis)
+    key = {"project_id": "awoooi", "per_page": 1}
+
+    stored = await store_operator_summary_async(
+        "callback_replies",
+        key,
+        {"total": 4, "items": []},
+        ttl_seconds=20,
+        now_monotonic=300.0,
+        now_utc=datetime(2026, 6, 1, tzinfo=UTC),
+    )
+
+    assert stored["cache"]["status"] == "miss"
+    assert fake_redis.values
+
+    clear_operator_summary_cache()
+    cached = await get_cached_operator_summary_async(
+        "callback_replies",
+        key,
+        ttl_seconds=20,
+        now_monotonic=302.0,
+    )
+
+    assert cached is not None
+    assert cached["cache"]["status"] == "hit"
+    assert cached["total"] == 4
+
     assert (
         get_cached_operator_summary(
             "callback_replies",