feat(proto): add SubscribeClusterPods streaming RPC

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

proto/monitoring.proto

@@ -52,6 +52,9 @@ service MonitoringService {
   // Epoch history for a specific session (ring buffer, max 50 epochs)
   rpc GetEpochHistory(GetEpochHistoryRequest)
       returns (GetEpochHistoryResponse);
+
+  // Kubernetes pod status — streams every N seconds
+  rpc SubscribeClusterPods(SubscribeClusterPodsRequest) returns (stream ClusterPodsResponse);
 }
 
 // ============================================================================
@@ -424,6 +427,31 @@ message GetEpochHistoryResponse {
   repeated EpochFinancialSnapshot epochs = 3;
 }
 
+// ============================================================================
+// Cluster Pod Messages
+// ============================================================================
+
+message SubscribeClusterPodsRequest {
+  uint32 interval_seconds = 1;  // 0 = server default (5s)
+}
+
+message ClusterPodsResponse {
+  repeated PodInfo pods = 1;
+  int64 timestamp = 2;
+}
+
+message PodInfo {
+  string name = 1;
+  string service = 2;         // app.kubernetes.io/name label
+  string namespace = 3;
+  string status = 4;          // Running/Pending/CrashLoopBackOff/Completed/etc
+  int32 restarts = 5;
+  string age = 6;             // human-readable: "2d5h", "3m"
+  string node = 7;
+  bool ready = 8;
+  string version = 9;         // from FOXHUNT_BUILD_VERSION env or empty
+}
+
 // ============================================================================
 // Enums
 // ============================================================================