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

internal/cluster/ring.go

@@ -78,12 +78,12 @@ type State struct {
 
 // Token is the circulating message: one physical token, two phases per cycle.
 type Token struct {
-	Cycle  int64     `json:"cycle"`
-	Phase  int       `json:"phase"`
-	State  State     `json:"state"`
+	Cycle  int64      `json:"cycle"`
+	Phase  int        `json:"phase"`
+	State  State      `json:"state"`
 	Log    []LogEntry `json:"logDelta,omitempty"`
-	Passed []string  `json:"passed,omitempty"`
-	SentAt int64    `json:"sentAt,omitempty"`
+	Passed []string   `json:"passed,omitempty"`
+	SentAt int64      `json:"sentAt,omitempty"`
 }
 
 // ---- 环图操作 ---- //

internal/cluster/ring_engine.go

@@ -41,8 +41,8 @@ type Engine struct {
 	send func(ctx context.Context, next string, tk *Token) error
 
 	// inflight tracks token-in-flight state (leader only).
-	inflight inFlight
-	Log *ClusterLog
+	inflight    inFlight
+	Log         *ClusterLog
 	lastLogSent int64
 	// lastRingStart time of the previous cycle launch (leader throttle).
 	lastRingStart time.Time

internal/cluster/ring_log.go

@@ -29,19 +29,19 @@ const (
 
 // LogEntry is one immutable, append-only cluster operation.
 type LogEntry struct {
-	Seq   int64           `json:"seq"`
-	Node  string          `json:"node"`
-	Kind  string          `json:"kind"`
-	Data  json.RawMessage `json:"data,omitempty"`
-	At    int64           `json:"at"`
+	Seq  int64           `json:"seq"`
+	Node string          `json:"node"`
+	Kind string          `json:"kind"`
+	Data json.RawMessage `json:"data,omitempty"`
+	At   int64           `json:"at"`
 }
 
 // ClusterLog is a node's local operation log with a sync watermark.
 type ClusterLog struct {
-	mu   sync.Mutex
-	Seq  int64      // highest local seq issued
-	Log  []LogEntry // append-only
-	Synced int64    // watermark: entries <= this are known to remote nodes
+	mu     sync.Mutex
+	Seq    int64      // highest local seq issued
+	Log    []LogEntry // append-only
+	Synced int64      // watermark: entries <= this are known to remote nodes
 }
 
 // NewClusterLog creates an empty log with initial sequence.