diff --git a/components/protocol-debug-panel.tsx b/components/protocol-debug-panel.tsx
index adf31aad8..3be78d5f7 100644
--- a/components/protocol-debug-panel.tsx
+++ b/components/protocol-debug-panel.tsx
@@ -8,6 +8,113 @@ type ProtocolDebugEvent = {
   payload: Record<string, unknown>;
 };
 
+type TaskBoundaryDecision = {
+  taskType?: string;
+  taskMode?: string;
+  reason?: string;
+  confidence?: number;
+  shouldUseCanvasContext?: boolean;
+  shouldUseHistoryImages?: boolean;
+  shouldUseWorkflowMemory?: boolean;
+  shouldAllowExecution?: boolean;
+};
+
+type AgentModelSlot = {
+  slot?: string;
+  modelId?: string;
+  displayName?: string;
+  providerType?: string;
+  providerKey?: string;
+  source?: string;
+  reason?: string;
+  locked?: boolean;
+};
+
+type ProviderHealthSnapshot = {
+  providerKey?: string;
+  providerType?: string;
+  lastEventType?: string;
+  lastError?: string;
+  consecutiveFailures?: number;
+  updatedAt?: number;
+};
+
+function asRecord(value: unknown): Record<string, unknown> | null {
+  return value && typeof value === "object" && !Array.isArray(value)
+    ? (value as Record<string, unknown>)
+    : null;
+}
+
+function toTaskBoundaryDecision(value: unknown): TaskBoundaryDecision | null {
+  const record = asRecord(value);
+  if (!record) return null;
+  return {
+    taskType: typeof record.taskType === "string" ? record.taskType : undefined,
+    taskMode: typeof record.taskMode === "string" ? record.taskMode : undefined,
+    reason: typeof record.reason === "string" ? record.reason : undefined,
+    confidence:
+      typeof record.confidence === "number" && Number.isFinite(record.confidence)
+        ? record.confidence
+        : undefined,
+    shouldUseCanvasContext:
+      typeof record.shouldUseCanvasContext === "boolean"
+        ? record.shouldUseCanvasContext
+        : undefined,
+    shouldUseHistoryImages:
+      typeof record.shouldUseHistoryImages === "boolean"
+        ? record.shouldUseHistoryImages
+        : undefined,
+    shouldUseWorkflowMemory:
+      typeof record.shouldUseWorkflowMemory === "boolean"
+        ? record.shouldUseWorkflowMemory
+        : undefined,
+    shouldAllowExecution:
+      typeof record.shouldAllowExecution === "boolean"
+        ? record.shouldAllowExecution
+        : undefined,
+  };
+}
+
+function toAgentModelSlots(value: unknown) {
+  const record = asRecord(value);
+  if (!record) return [] as AgentModelSlot[];
+
+  const slots: AgentModelSlot[] = [];
+  for (const [slotName, slotValue] of Object.entries(record)) {
+    const slotRecord = asRecord(slotValue);
+    if (!slotRecord) continue;
+    slots.push({
+      slot: slotName,
+      modelId: typeof slotRecord.modelId === "string" ? slotRecord.modelId : undefined,
+      displayName:
+        typeof slotRecord.displayName === "string" ? slotRecord.displayName : undefined,
+      providerType:
+        typeof slotRecord.providerType === "string" ? slotRecord.providerType : undefined,
+      providerKey:
+        typeof slotRecord.providerKey === "string" ? slotRecord.providerKey : undefined,
+      source: typeof slotRecord.source === "string" ? slotRecord.source : undefined,
+      reason: typeof slotRecord.reason === "string" ? slotRecord.reason : undefined,
+      locked: typeof slotRecord.locked === "boolean" ? slotRecord.locked : undefined,
+    });
+  }
+  return slots;
+}
+
+function toProviderHealthSnapshot(value: unknown): ProviderHealthSnapshot | null {
+  const record = asRecord(value);
+  if (!record) return null;
+  return {
+    providerKey: typeof record.providerKey === "string" ? record.providerKey : undefined,
+    providerType: typeof record.providerType === "string" ? record.providerType : undefined,
+    lastEventType:
+      typeof record.lastEventType === "string" ? record.lastEventType : undefined,
+    lastError: typeof record.lastError === "string" ? record.lastError : undefined,
+    consecutiveFailures:
+      typeof record.consecutiveFailures === "number" ? record.consecutiveFailures : undefined,
+    updatedAt: typeof record.updatedAt === "number" ? record.updatedAt : undefined,
+  };
+}
+
 export function ProtocolDebugPanel({
   enabled,
   events,
@@ -33,6 +140,29 @@ export function ProtocolDebugPanel({
     }));
   }, [events]);
 
+  const latestTaskBoundary = useMemo(() => {
+    for (let index = events.length - 1; index >= 0; index -= 1) {
+      const payload = events[index]?.payload;
+      const boundary = toTaskBoundaryDecision(payload?.taskBoundary);
+      if (boundary?.taskType) return boundary;
+    }
+    return null;
+  }, [events]);
+
+  const latestModelSlotSummary = useMemo(() => {
+    for (let index = events.length - 1; index >= 0; index -= 1) {
+      const payload = events[index]?.payload;
+      const slots = toAgentModelSlots(payload?.modelSlots);
+      if (slots.length > 0) {
+        return {
+          slots,
+          providerHealth: toProviderHealthSnapshot(payload?.providerHealth),
+        };
+      }
+    }
+    return null;
+  }, [events]);
+
   return (
     <div className="mx-auto mt-2 w-full max-w-4xl px-2 md:px-4">
       <details className="rounded-xl border border-border/60 bg-muted/30 p-3 text-xs">
@@ -60,6 +190,94 @@ export function ProtocolDebugPanel({
               清空
             </button>
           </div>
+          {(latestTaskBoundary || latestModelSlotSummary) && (
+            <div className="grid gap-2 md:grid-cols-2">
+              {latestTaskBoundary && (
+                <div className="rounded-lg border border-border/60 bg-background px-3 py-2">
+                  <div className="mb-2 text-[11px] font-medium text-foreground">当前任务边界</div>
+                  <div className="flex flex-wrap gap-2 text-[11px] text-muted-foreground">
+                    <span className="rounded-md bg-muted px-2 py-1">
+                      type: {latestTaskBoundary.taskType || "unknown"}
+                    </span>
+                    <span className="rounded-md bg-muted px-2 py-1">
+                      mode: {latestTaskBoundary.taskMode || "unknown"}
+                    </span>
+                    {typeof latestTaskBoundary.confidence === "number" && (
+                      <span className="rounded-md bg-muted px-2 py-1">
+                        confidence: {latestTaskBoundary.confidence}
+                      </span>
+                    )}
+                  </div>
+                  <div className="mt-2 text-[11px] leading-relaxed text-muted-foreground">
+                    {latestTaskBoundary.reason || "无原因说明"}
+                  </div>
+                  <div className="mt-2 flex flex-wrap gap-2 text-[11px] text-muted-foreground">
+                    <span className="rounded-md border border-border px-2 py-1">
+                      canvas {latestTaskBoundary.shouldUseCanvasContext ? "on" : "off"}
+                    </span>
+                    <span className="rounded-md border border-border px-2 py-1">
+                      history {latestTaskBoundary.shouldUseHistoryImages ? "on" : "off"}
+                    </span>
+                    <span className="rounded-md border border-border px-2 py-1">
+                      workflow {latestTaskBoundary.shouldUseWorkflowMemory ? "on" : "off"}
+                    </span>
+                    <span className="rounded-md border border-border px-2 py-1">
+                      execution {latestTaskBoundary.shouldAllowExecution ? "yes" : "no"}
+                    </span>
+                  </div>
+                </div>
+              )}
+              {latestModelSlotSummary && (
+                <div className="rounded-lg border border-border/60 bg-background px-3 py-2">
+                  <div className="mb-2 text-[11px] font-medium text-foreground">当前模型槽位</div>
+                  <div className="space-y-2">
+                    {latestModelSlotSummary.slots.map((slot) => (
+                      <div
+                        key={`${slot.slot}-${slot.modelId}`}
+                        className="rounded-md border border-border/60 px-2 py-2"
+                      >
+                        <div className="flex flex-wrap items-center gap-2">
+                          <span className="rounded-md bg-muted px-2 py-1 text-[11px] font-medium text-foreground">
+                            {slot.slot}
+                          </span>
+                          <span className="text-[11px] text-foreground">
+                            {slot.displayName || slot.modelId || "unknown"}
+                          </span>
+                          {slot.locked && (
+                            <span className="rounded-md border border-border px-2 py-1 text-[11px] text-muted-foreground">
+                              locked
+                            </span>
+                          )}
+                        </div>
+                        <div className="mt-1 text-[11px] text-muted-foreground">
+                          provider: {slot.providerType || "unknown"} · source: {slot.source || "unknown"}
+                        </div>
+                        {slot.reason && (
+                          <div className="mt-1 text-[11px] text-muted-foreground">
+                            reason: {slot.reason}
+                          </div>
+                        )}
+                      </div>
+                    ))}
+                    {latestModelSlotSummary.providerHealth && (
+                      <div className="rounded-md border border-border/60 px-2 py-2 text-[11px] text-muted-foreground">
+                        provider health: {latestModelSlotSummary.providerHealth.lastEventType || "unknown"}
+                        {typeof latestModelSlotSummary.providerHealth.consecutiveFailures === "number" &&
+                          ` · failures ${latestModelSlotSummary.providerHealth.consecutiveFailures}`}
+                        {latestModelSlotSummary.providerHealth.providerType &&
+                          ` · ${latestModelSlotSummary.providerHealth.providerType}`}
+                        {latestModelSlotSummary.providerHealth.lastError && (
+                          <div className="mt-1 break-words">
+                            {latestModelSlotSummary.providerHealth.lastError}
+                          </div>
+                        )}
+                      </div>
+                    )}
+                  </div>
+                </div>
+              )}
+            </div>
+          )}
           {events.length === 0 ? (
             <div className="rounded-lg border border-dashed border-border/60 px-3 py-2 text-muted-foreground">
               暂无协议调试事件