feat(web): cluster page shows token ring — ring topology/leader/load, pending tasks, active forward topology with owner, incremental log sync view (e2e verified)

web/src/types.ts

@@ -173,3 +173,48 @@ export interface CacheResp {
   cache: CacheEntry[];
   removed?: string[];
 }
+
+// M6 token-ring snapshot (GET /cluster/ring).
+export interface RingNode {
+  id: string;
+  addr: string;
+  isLeader?: boolean;
+  alive: boolean;
+  load: { memPct: number; netPct: number };
+  version?: string;
+  cache?: string[];
+  lastSeen?: number;
+}
+
+export interface RingTaskInfo {
+  id: string;
+  local: { name: string };
+  remote: { name: string };
+  link: { remotePort?: number };
+}
+
+export interface RingTopoEntry {
+  taskId: string;
+  ownerId: string;
+  active: boolean;
+  local: { name: string };
+  remote: { name: string };
+  link: { remotePort?: number };
+}
+
+export interface RingLogEntry {
+  seq: number;
+  node: string;
+  kind: string;
+  at?: number;
+}
+
+export interface RingSnapshot {
+  leaderId: string;
+  cycle: number;
+  roundDelayMs?: number;
+  nodes: RingNode[];
+  pending: RingTaskInfo[];
+  topology: RingTopoEntry[];
+  log: RingLogEntry[];
+}