diff --git a/ui/src/components/task-chat/TaskChatProtocolActivityRow.test.tsx b/ui/src/components/task-chat/TaskChatProtocolActivityRow.test.tsx
index 716373aa92e..44414025d64 100644
--- a/ui/src/components/task-chat/TaskChatProtocolActivityRow.test.tsx
+++ b/ui/src/components/task-chat/TaskChatProtocolActivityRow.test.tsx
@@ -235,6 +235,7 @@ describe("TaskChatProtocolActivityRow", () => {
     ["info", "informational", "Provider update", "lucide-info"],
     ["warning", "informational", "Warning", "lucide-triangle-alert"],
     ["error", "failed", "Error", "lucide-triangle-alert"],
+    ["error", "informational", "Error", "lucide-triangle-alert"],
     ["info", "failed", "Error", "lucide-triangle-alert"],
   ] as const)("renders %s/%s notice severity without hiding its summary", (severity, status, label, icon) => {
     const summary = "Pi estimates this turn at $0.000617. Billing cost is unverified.";
diff --git a/ui/src/components/task-chat/TaskChatProtocolActivityRow.tsx b/ui/src/components/task-chat/TaskChatProtocolActivityRow.tsx
index ca10ee67cd6..b040c5253b5 100644
--- a/ui/src/components/task-chat/TaskChatProtocolActivityRow.tsx
+++ b/ui/src/components/task-chat/TaskChatProtocolActivityRow.tsx
@@ -22,6 +22,7 @@ import {
   protocolActivityIsRunning,
   protocolActivityLabel,
   protocolActivityPresentation,
+  providerNoticeSeverity,
 } from "./task-chat-activity-presentation";
 
 const COMPACT_RESEARCH_RESULT_LIMIT = 5;
@@ -281,6 +282,7 @@ export function TaskChatProtocolActivityRow({ item }: { item: TaskChatProtocolIt
   if (!presentation) return null;
   if (item.surface === "provider_activity" && item.family === "provider_notice") {
     const NoticeIcon = presentation.icon;
+    const severity = providerNoticeSeverity(item);
     const summary = item.summary
       ?? item.details.find((entry) => entry.label === "Summary")?.value
       ?? "The provider reported a notice without a message.";
@@ -288,7 +290,7 @@ export function TaskChatProtocolActivityRow({ item }: { item: TaskChatProtocolIt
       <div className="flex min-w-0 flex-col gap-1.5 py-1 text-xs" data-testid="task-chat-protocol-activity-row" data-activity-family="provider_notice">
         <div className="flex items-center gap-2 text-muted-foreground">
           <NoticeIcon className="h-3.5 w-3.5 shrink-0" aria-hidden data-testid="task-chat-protocol-activity-icon" />
-          <span className="font-medium">{item.status === "failed" ? "Error" : item.details.find(detail => detail.label === "Severity")?.value === "info" ? "Provider update" : "Warning"}</span>
+          <span className="font-medium">{severity === "error" ? "Error" : severity === "info" ? "Provider update" : "Warning"}</span>
         </div>
         <p className="min-w-0 whitespace-pre-wrap break-words text-foreground">{summary}</p>
         {item.details.some(detail => detail.label !== "Summary") ? (
diff --git a/ui/src/components/task-chat/completed-activity-summary.test.ts b/ui/src/components/task-chat/completed-activity-summary.test.ts
index 3c22f601cde..b4493e85b87 100644
--- a/ui/src/components/task-chat/completed-activity-summary.test.ts
+++ b/ui/src/components/task-chat/completed-activity-summary.test.ts
@@ -173,4 +173,17 @@ describe("completedActivitySummary", () => {
     }]).icon).toBe(AlertTriangle);
   });
 
+  it("groups distinct notices and keeps a later error visible beside actual work", () => {
+    const notices = ["info", "info", "warning", "error"].map((severity, index) => ({
+      ...provider("provider_notice", "informational"),
+      id: `notice-${index}`,
+      summary: `Distinct provider message ${index}`,
+      details: [{ label: "Severity", value: severity }],
+    }));
+    const result = completedActivitySummary([tool("bash"), ...notices]);
+    expect(result.label).toBe("Provider error reported, ran commands");
+    expect(result.fullLabel).toBe(result.label);
+    expect(result.label).not.toContain("Distinct provider message");
+  });
+
 });
diff --git a/ui/src/components/task-chat/completed-activity-summary.ts b/ui/src/components/task-chat/completed-activity-summary.ts
index d2223dbb4ed..776faabbfb3 100644
--- a/ui/src/components/task-chat/completed-activity-summary.ts
+++ b/ui/src/components/task-chat/completed-activity-summary.ts
@@ -5,7 +5,7 @@ import {
   type ToolFamily,
   type ToolIcon,
 } from "./tool-taxonomy";
-import { protocolActivityPresentation } from "./task-chat-activity-presentation";
+import { protocolActivityPresentation, providerNoticeSeverity } from "./task-chat-activity-presentation";
 
 type Activity = TaskChatActivityPhaseItem["items"][number];
 const labels: Record<ToolFamily, string> = {
@@ -42,6 +42,12 @@ export function completedActivitySummary(items: Activity[]) {
     completed: boolean;
     order: number;
   }> = [];
+  const notices: Array<{
+    summary: string | undefined;
+    severity: "info" | "warning" | "error";
+    icon: ToolIcon;
+    order: number;
+  }> = [];
   for (const [order, item] of items.entries()) {
     if (item.kind === "tool") {
       const p = toolActivityPresentation({
@@ -71,7 +77,7 @@ export function completedActivitySummary(items: Activity[]) {
           // Reuse only the normalized notice text already available in the row.
           const summary = item.summary?.trim()
             || item.details.find((entry) => entry.label === "Summary")?.value.trim();
-          add(summary || "Received a provider update", p.icon, order);
+          notices.push({ summary, severity: providerNoticeSeverity(item), icon: p.icon, order });
           continue;
         }
         const family =
@@ -100,6 +106,21 @@ export function completedActivitySummary(items: Activity[]) {
       }
     }
   }
+  if (notices.length) {
+    const strongest = notices.find((notice) => notice.severity === "error")
+      ?? notices.find((notice) => notice.severity === "warning")
+      ?? notices[0]!;
+    const label = notices.length === 1
+      ? strongest.summary || "Received a provider update"
+      : strongest.severity === "error"
+        ? "Provider error reported"
+        : strongest.severity === "warning"
+          ? "Provider warning reported"
+          : "Received provider updates";
+    // One notice category leaves room for actual work. Keep warnings and errors
+    // visible when the compact label truncates other activity categories.
+    add(label, strongest.icon, strongest.severity === "info" ? notices[0]!.order : -1);
+  }
   const completedFamilies = new Set(
     tools.filter((tool) => tool.completed).map((tool) => tool.family),
   );
diff --git a/ui/src/components/task-chat/task-chat-activity-presentation.ts b/ui/src/components/task-chat/task-chat-activity-presentation.ts
index 27193ba30d4..a0cb58d0d07 100644
--- a/ui/src/components/task-chat/task-chat-activity-presentation.ts
+++ b/ui/src/components/task-chat/task-chat-activity-presentation.ts
@@ -41,6 +41,12 @@ export interface TaskChatActivityPresentation {
   detail?: string;
 }
 
+export function providerNoticeSeverity(item: TaskChatProviderActivityItem): "info" | "warning" | "error" {
+  const severity = item.details.find((entry) => entry.label === "Severity")?.value;
+  if (item.status === "failed" || severity === "error") return "error";
+  return severity === "info" ? "info" : "warning";
+}
+
 function providerDetail(item: TaskChatProviderActivityItem, ...labels: string[]): string | undefined {
   return item.details.find((entry) => labels.includes(entry.label))?.value;
 }
@@ -136,7 +142,7 @@ export function providerActivityPresentation(item: TaskChatProviderActivityItem)
     case "wait":
       return { icon: Clock3, runningLabel: "Waiting", completedLabel: "Finished waiting", failedLabel: "Wait failed", interruptedLabel: "Wait stopped", detail };
     case "provider_notice":
-      return { icon: item.status !== "failed" && providerDetail(item, "Severity") === "info" ? Info : AlertTriangle, runningLabel: "Provider notice", completedLabel: "Provider notice", failedLabel: "Provider error", interruptedLabel: "Provider notice", detail };
+      return { icon: providerNoticeSeverity(item) === "info" ? Info : AlertTriangle, runningLabel: "Provider notice", completedLabel: "Provider notice", failedLabel: "Provider error", interruptedLabel: "Provider notice", detail };
   }
 }