Thread run error codes into interrupt labels

server/src/services/activity.ts

@@ -387,6 +387,7 @@ export function activityService(db: Db) {
           finishedAt: heartbeatRuns.finishedAt,
           createdAt: heartbeatRuns.createdAt,
           invocationSource: heartbeatRuns.invocationSource,
+          errorCode: heartbeatRuns.errorCode,
           usageJson: summarizedUsageJson,
           resultJson: summarizedResultJson,
           logBytes: heartbeatRuns.logBytes,

ui/src/api/activity.ts

@@ -12,6 +12,7 @@ export interface RunForIssue {
   finishedAt: string | null;
   createdAt: string;
   invocationSource: string;
+  errorCode?: string | null;
   usageJson: Record<string, unknown> | null;
   resultJson: Record<string, unknown> | null;
   logBytes?: number | null;

ui/src/lib/issue-chat-messages.test.ts

@@ -947,6 +947,39 @@ describe("buildIssueChatMessages", () => {
     });
   });
 
+  it("labels error-code-only operator interruptions as interrupted by board", () => {
+    const messages = buildIssueChatMessages({
+      comments: [],
+      timelineEvents: [],
+      linkedRuns: [
+        {
+          runId: "run-interrupted",
+          status: "cancelled",
+          agentId: "agent-1",
+          agentName: "CodexCoder",
+          createdAt: new Date("2026-04-06T12:01:00.000Z"),
+          startedAt: new Date("2026-04-06T12:01:00.000Z"),
+          finishedAt: new Date("2026-04-06T12:02:00.000Z"),
+          errorCode: "operator_interrupted",
+          resultJson: null,
+        },
+      ],
+      liveRuns: [],
+      transcriptsByRunId: new Map([
+        ["run-interrupted", [{ kind: "assistant", ts: "2026-04-06T12:01:05.000Z", text: "Working on it." }]],
+      ]),
+      hasOutputForRun: (runId) => runId === "run-interrupted",
+      currentUserId: "user-1",
+    });
+
+    expect(messages).toHaveLength(1);
+    expect(messages[0]?.metadata.custom).toMatchObject({
+      chainOfThoughtLabel: "Interrupted by board after 1 minute",
+      runOperatorInterrupted: true,
+      runStatus: "cancelled",
+    });
+  });
+
   it("can keep succeeded runs without transcript output for embedded run feeds", () => {
     const messages = buildIssueChatMessages({
       comments: [],

ui/src/lib/issue-chat-messages.ts

@@ -46,6 +46,7 @@ export interface IssueChatLinkedRun {
   finishedAt?: Date | string | null;
   hasStoredOutput?: boolean;
   logBytes?: number | null;
+  errorCode?: string | null;
   resultJson?: Record<string, unknown> | null;
 }
 
@@ -596,6 +597,7 @@ function runDurationLabel(run: {
   createdAt: Date | string;
   startedAt: Date | string | null;
   finishedAt?: Date | string | null;
+  errorCode?: string | null;
   resultJson?: Record<string, unknown> | null;
 }) {
   const start = run.startedAt ?? run.createdAt;
@@ -612,7 +614,7 @@ function runDurationLabel(run: {
     case "timed_out":
       return durationText ? `Timed out after ${durationText}` : "Run timed out";
     case "cancelled":
-      if (isOperatorInterruptedRun(run.resultJson)) {
+      if (isOperatorInterruptedRun(run.resultJson, run.errorCode)) {
         return durationText ? `Interrupted by board after ${durationText}` : "Interrupted by board";
       }
       if (stopReason === "paused") {
@@ -643,7 +645,7 @@ function createHistoricalRunMessage(run: IssueChatLinkedRun, agentMap?: Map<stri
         runAgentId: run.agentId,
         runAgentName: agentName,
         runStatus: run.status,
-        runOperatorInterrupted: isOperatorInterruptedRun(run.resultJson),
+        runOperatorInterrupted: isOperatorInterruptedRun(run.resultJson, run.errorCode),
       },
     },
   };
@@ -680,7 +682,7 @@ function createHistoricalTranscriptMessage(args: {
       runAgentId: run.agentId,
       runAgentName: agentName,
       runStatus: run.status,
-      runOperatorInterrupted: isOperatorInterruptedRun(run.resultJson),
+      runOperatorInterrupted: isOperatorInterruptedRun(run.resultJson, run.errorCode),
       notices,
       waitingText,
       chainOfThoughtLabel: runDurationLabel(run),