fix: progress ticker on tool-activity, last-line └, summary+description both shown

- Ensure progressTicker runs during tool-activity updates for time refresh
- Last activity line uses └ instead of ├
- Summary (📋) and description shown together when both present
- Description indented as sub-item under summary

runners/agent-runner/src/index.ts

@@ -555,12 +555,19 @@ async function runQuery(
       const tp = message as Record<string, unknown>;
       const summary = typeof tp.summary === 'string' ? tp.summary : '';
       const description = typeof tp.description === 'string' ? tp.description : '';
-      const activityText = description || summary;
-      if (activityText) {
+      if (summary) {
         writeOutput({
           status: 'success',
           phase: 'tool-activity',
-          result: activityText,
+          result: `📋 ${summary}`,
+          newSessionId,
+        });
+      }
+      if (description) {
+        writeOutput({
+          status: 'success',
+          phase: 'tool-activity',
+          result: description,
           newSessionId,
         });
       }

src/message-turn-controller.ts

@@ -105,6 +105,11 @@ export class MessageTurnController {
     }
 
     if (result.phase === 'tool-activity') {
+      // Flush pending progress so the message exists for tool activity sub-lines
+      if (this.pendingProgressText && !this.progressMessageId) {
+        void this.sendProgressMessage(this.pendingProgressText);
+        this.pendingProgressText = null;
+      }
       if (text) {
         this.addToolActivity(text);
       }
@@ -230,7 +235,17 @@ export class MessageTurnController {
 
     const activityLines =
       this.toolActivities.length > 0
-        ? '\n' + this.toolActivities.map((a) => `├ ${a}`).join('\n')
+        ? '\n' +
+          this.toolActivities
+            .map((a, i) => {
+              const isLast = i === this.toolActivities.length - 1;
+              const connector = isLast ? '└' : '├';
+              const isSummary = a.startsWith('📋');
+              return isSummary
+                ? `${connector} ${a}`
+                : `${connector}  ${a}`;
+            })
+            .join('\n')
         : '';
     const suffix = `\n\n${elapsedParts.join(' ')}`;
     const maxText =
@@ -287,6 +302,7 @@ export class MessageTurnController {
     // Update the displayed progress message with tool activity sub-lines
     if (this.latestProgressText && this.progressMessageId) {
       void this.syncTrackedProgressMessage();
+      this.ensureProgressTicker();
     }
   }