ci: fix template check and clarity label applier action output parsing (#21658)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: sapphi-red <49056869+sapphi-red@users.noreply.github.com>

Author: Copilot

.github/workflows/clarity-label.yml

@@ -84,7 +84,21 @@ jobs:
             const output = process.env.AGENT_OUTPUT;
             let result;
             try {
-              result = JSON.parse(output);
+              // The agent outputs streaming JSON format with multiple lines
+              // We need to extract the last line with type:"agent" and parse its text field
+              const lines = output.trim().split('\n');
+              let agentResponse = null;
+              for (const line of lines) {
+                const parsed = JSON.parse(line);
+                if (parsed.type === 'agent') {
+                  agentResponse = parsed.text;
+                }
+              }
+              if (!agentResponse) {
+                core.setFailed('No agent response found in output');
+                return;
+              }
+              result = JSON.parse(agentResponse);
             } catch (e) {
               core.setFailed(`Failed to parse agent output: ${e.message}`);
               return;
@@ -134,11 +148,33 @@ jobs:
 
       - name: Write result to summary
         if: steps.agent.outputs.agent_output
+        uses: actions/github-script@v7
         env:
           AGENT_OUTPUT: ${{ steps.agent.outputs.agent_output }}
-        run: |
-          echo "## Clarity Label" >> $GITHUB_STEP_SUMMARY
-          echo "" >> $GITHUB_STEP_SUMMARY
-          echo '```json' >> $GITHUB_STEP_SUMMARY
-          echo "$AGENT_OUTPUT" >> $GITHUB_STEP_SUMMARY
-          echo '```' >> $GITHUB_STEP_SUMMARY
+        with:
+          script: |
+            const output = process.env.AGENT_OUTPUT;
+
+            try {
+              // The agent outputs streaming JSON format with multiple lines
+              // We need to extract the last line with type:"agent" and parse its text field
+              const lines = output.trim().split('\n');
+              let agentText = null;
+              for (const line of lines) {
+                try {
+                  const parsed = JSON.parse(line);
+                  if (parsed.type === 'agent' && parsed.text) {
+                    agentText = parsed.text;
+                  }
+                } catch (e) {}
+              }
+              
+              if (agentText) {
+                await core.summary
+                  .addHeading('Clarity Label')
+                  .addCodeBlock(agentText, 'json')
+                  .write();
+              }
+            } catch (e) {
+              core.setFailed(`Failed to write summary: ${e.message}`);
+            }

.github/workflows/issue-template-check.yml

@@ -96,12 +96,35 @@ jobs:
 
       - name: Write result to summary
         if: steps.detect.outputs.skip == 'false' && steps.agent.outputs.agent_output
+        uses: actions/github-script@v7
         env:
           TEMPLATE_TYPE: ${{ steps.detect.outputs.template_type }}
           AGENT_OUTPUT: ${{ steps.agent.outputs.agent_output }}
-        run: |
-          echo "## Issue Template Check ($TEMPLATE_TYPE)" >> $GITHUB_STEP_SUMMARY
-          echo "" >> $GITHUB_STEP_SUMMARY
-          echo '```json' >> $GITHUB_STEP_SUMMARY
-          echo "$AGENT_OUTPUT" >> $GITHUB_STEP_SUMMARY
-          echo '```' >> $GITHUB_STEP_SUMMARY
+        with:
+          script: |
+            const output = process.env.AGENT_OUTPUT;
+            const templateType = process.env.TEMPLATE_TYPE;
+
+            try {
+              // The agent outputs streaming JSON format with multiple lines
+              // We need to extract the last line with type:"agent" and parse its text field
+              const lines = output.trim().split('\n');
+              let agentText = null;
+              for (const line of lines) {
+                try {
+                  const parsed = JSON.parse(line);
+                  if (parsed.type === 'agent' && parsed.text) {
+                    agentText = parsed.text;
+                  }
+                } catch (e) {}
+              }
+              
+              if (agentText) {
+                await core.summary
+                  .addHeading(`Issue Template Check (${templateType})`)
+                  .addCodeBlock(agentText, 'json')
+                  .write();
+              }
+            } catch (e) {
+              core.setFailed(`Failed to write summary: ${e.message}`);
+            }