Merge branch 'main' into unified-pr-comments

Add always() to Read and Upsert steps so the unified comment is updated
even when the deploy step fails, preventing stuck "Running..." state.

Addresses review feedback:
https://github.com/Comfy-Org/ComfyUI_frontend/pull/11935#discussion_r3221603536

.github/actions/upsert-comment-section/action.yaml

@@ -1,21 +1,22 @@
 name: Upsert Comment Section
 description: >
   Manage a consolidated PR comment with independently-updatable sections.
-  All website CI workflows share the marker <!-- WEBSITE_CI_REPORT -->.
-  Valid section names: "e2e", "preview", "screenshot-update".
+  Multiple CI workflows can share the same comment by using the same
+  comment-marker and different section-names. Each workflow upserts only
+  its own section, leaving other sections intact.
 
 inputs:
   pr-number:
     description: PR number to comment on
     required: true
   section-name:
-    description: 'Section identifier: "e2e", "preview", or "screenshot-update"'
+    description: 'Section identifier (e.g. "playwright", "storybook", "e2e", "preview")'
     required: true
   section-content:
     description: Markdown content for this section
     required: true
   comment-marker:
-    description: Top-level HTML comment marker (must be <!-- WEBSITE_CI_REPORT --> for all callers)
+    description: Top-level HTML comment marker shared by all sections in this comment
     required: true
   token:
     description: GitHub token with pull-requests write permission

.github/workflows/ci-tests-e2e-forks.yaml

@@ -38,16 +38,15 @@ jobs:
         id: pr
         uses: ./.github/actions/resolve-pr-from-workflow-run
 
-      - name: Handle Test Start
+      - name: Handle Test Start — upsert playwright starting section
         if: steps.pr.outputs.skip != 'true' && github.event.action == 'requested'
-        env:
-          GITHUB_TOKEN: ${{ github.token }}
-        run: |
-          chmod +x scripts/cicd/pr-playwright-deploy-and-comment.sh
-          ./scripts/cicd/pr-playwright-deploy-and-comment.sh \
-            "${{ steps.pr.outputs.number }}" \
-            "${{ github.event.workflow_run.head_branch }}" \
-            "starting"
+        uses: ./.github/actions/upsert-comment-section
+        with:
+          pr-number: ${{ steps.pr.outputs.number }}
+          section-name: playwright
+          section-content: '## 🎭 Playwright: ⏳ Running...'
+          comment-marker: '<!-- COMFYUI_FRONTEND_PR_REPORT -->'
+          token: ${{ github.token }}
 
       - name: Download and Deploy Reports
         if: steps.pr.outputs.skip != 'true' && github.event.action == 'completed'
@@ -59,13 +58,14 @@ jobs:
           path: reports
           if_no_artifact_found: warn
 
-      - name: Handle Test Completion
+      - name: Handle Test Completion — deploy and generate section
         if: steps.pr.outputs.skip != 'true' && github.event.action == 'completed' && hashFiles('reports/**') != ''
         env:
           CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
           CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
           GITHUB_TOKEN: ${{ github.token }}
           GITHUB_SHA: ${{ github.event.workflow_run.head_sha }}
+          SUMMARY_FILE: playwright-section.md
         run: |
           # Rename merged report if exists
           [ -d "reports/playwright-report-chromium-merged" ] && \
@@ -76,3 +76,20 @@ jobs:
             "${{ steps.pr.outputs.number }}" \
             "${{ github.event.workflow_run.head_branch }}" \
             "completed"
+
+      - name: Read playwright section
+        id: section
+        if: steps.pr.outputs.skip != 'true' && github.event.action == 'completed' && hashFiles('playwright-section.md') != ''
+        uses: juliangruber/read-file-action@b549046febe0fe86f8cb4f93c24e284433f9ab58 # v1.1.7
+        with:
+          path: playwright-section.md
+
+      - name: Upsert playwright section into unified report
+        if: steps.pr.outputs.skip != 'true' && github.event.action == 'completed' && steps.section.outputs.content != ''
+        uses: ./.github/actions/upsert-comment-section
+        with:
+          pr-number: ${{ steps.pr.outputs.number }}
+          section-name: playwright
+          section-content: ${{ steps.section.outputs.content }}
+          comment-marker: '<!-- COMFYUI_FRONTEND_PR_REPORT -->'
+          token: ${{ github.token }}

.github/workflows/ci-tests-e2e.yaml

@@ -228,7 +228,7 @@ jobs:
   # when using pull_request event, we have permission to comment directly
   # if its a forked repo, we need to use workflow_run event in a separate workflow (pr-playwright-deploy.yaml)
 
-  # Post starting comment for non-forked PRs
+  # Post starting section into the unified PR report comment for non-forked PRs
   comment-on-pr-start:
     needs: changes
     runs-on: ubuntu-latest
@@ -244,17 +244,16 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v6
 
-      - name: Post starting comment
-        env:
-          GITHUB_TOKEN: ${{ github.token }}
-        run: |
-          chmod +x scripts/cicd/pr-playwright-deploy-and-comment.sh
-          ./scripts/cicd/pr-playwright-deploy-and-comment.sh \
-            "${{ github.event.pull_request.number }}" \
-            "${{ github.head_ref }}" \
-            "starting"
+      - name: Upsert playwright starting section into unified report
+        uses: ./.github/actions/upsert-comment-section
+        with:
+          pr-number: ${{ github.event.pull_request.number }}
+          section-name: playwright
+          section-content: '## 🎭 Playwright: ⏳ Running...'
+          comment-marker: '<!-- COMFYUI_FRONTEND_PR_REPORT -->'
+          token: ${{ github.token }}
 
-  # Deploy and comment for non-forked PRs only
+  # Deploy and upsert final playwright section for non-forked PRs only
   deploy-and-comment:
     needs: [changes, playwright-tests, merge-reports]
     runs-on: ubuntu-latest
@@ -278,15 +277,34 @@ jobs:
           pattern: playwright-report-*
           path: reports
 
-      - name: Deploy reports and comment on PR
+      - name: Deploy reports and generate section
         env:
           CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
           CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
           GITHUB_TOKEN: ${{ github.token }}
           GITHUB_SHA: ${{ github.event.pull_request.head.sha }}
+          SUMMARY_FILE: playwright-section.md
+          BRANCH_NAME: ${{ github.head_ref }}
         run: |
           bash ./scripts/cicd/pr-playwright-deploy-and-comment.sh \
             "${{ github.event.pull_request.number }}" \
-            "${{ github.head_ref }}" \
+            "$BRANCH_NAME" \
             "completed"
+
+      - name: Read playwright section
+        id: section
+        if: always() && hashFiles('playwright-section.md') != ''
+        uses: juliangruber/read-file-action@b549046febe0fe86f8cb4f93c24e284433f9ab58 # v1.1.7
+        with:
+          path: playwright-section.md
+
+      - name: Upsert playwright section into unified report
+        if: always() && steps.section.outputs.content != ''
+        uses: ./.github/actions/upsert-comment-section
+        with:
+          pr-number: ${{ github.event.pull_request.number }}
+          section-name: playwright
+          section-content: ${{ steps.section.outputs.content }}
+          comment-marker: '<!-- COMFYUI_FRONTEND_PR_REPORT -->'
+          token: ${{ github.token }}
   #### END Deployment and commenting (non-forked PRs only)

.github/workflows/ci-tests-storybook-forks.yaml

@@ -38,16 +38,15 @@ jobs:
         id: pr
         uses: ./.github/actions/resolve-pr-from-workflow-run
 
-      - name: Handle Storybook Start
+      - name: Handle Storybook Start — upsert storybook starting section
         if: steps.pr.outputs.skip != 'true' && github.event.action == 'requested'
-        env:
-          GITHUB_TOKEN: ${{ github.token }}
-        run: |
-          chmod +x scripts/cicd/pr-storybook-deploy-and-comment.sh
-          ./scripts/cicd/pr-storybook-deploy-and-comment.sh \
-            "${{ steps.pr.outputs.number }}" \
-            "${{ github.event.workflow_run.head_branch }}" \
-            "starting"
+        uses: ./.github/actions/upsert-comment-section
+        with:
+          pr-number: ${{ steps.pr.outputs.number }}
+          section-name: storybook
+          section-content: '## 🎨 Storybook: 🚧 Building...'
+          comment-marker: '<!-- COMFYUI_FRONTEND_PR_REPORT -->'
+          token: ${{ github.token }}
 
       - name: Download and Deploy Storybook
         if: steps.pr.outputs.skip != 'true' && github.event.action == 'completed' && github.event.workflow_run.conclusion == 'success'
@@ -58,7 +57,7 @@ jobs:
           name: storybook-static
           path: storybook-static
 
-      - name: Handle Storybook Completion
+      - name: Handle Storybook Completion — deploy and generate section
         if: steps.pr.outputs.skip != 'true' && github.event.action == 'completed'
         env:
           CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
@@ -66,9 +65,28 @@ jobs:
           GITHUB_TOKEN: ${{ github.token }}
           WORKFLOW_CONCLUSION: ${{ github.event.workflow_run.conclusion }}
           WORKFLOW_URL: ${{ github.event.workflow_run.html_url }}
+          SUMMARY_FILE: storybook-section.md
+          BRANCH_NAME: ${{ github.event.workflow_run.head_branch }}
         run: |
           chmod +x scripts/cicd/pr-storybook-deploy-and-comment.sh
           ./scripts/cicd/pr-storybook-deploy-and-comment.sh \
             "${{ steps.pr.outputs.number }}" \
-            "${{ github.event.workflow_run.head_branch }}" \
+            "$BRANCH_NAME" \
             "completed"
+
+      - name: Read storybook section
+        id: section
+        if: steps.pr.outputs.skip != 'true' && github.event.action == 'completed' && hashFiles('storybook-section.md') != ''
+        uses: juliangruber/read-file-action@b549046febe0fe86f8cb4f93c24e284433f9ab58 # v1.1.7
+        with:
+          path: storybook-section.md
+
+      - name: Upsert storybook section into unified report
+        if: steps.pr.outputs.skip != 'true' && github.event.action == 'completed' && steps.section.outputs.content != ''
+        uses: ./.github/actions/upsert-comment-section
+        with:
+          pr-number: ${{ steps.pr.outputs.number }}
+          section-name: storybook
+          section-content: ${{ steps.section.outputs.content }}
+          comment-marker: '<!-- COMFYUI_FRONTEND_PR_REPORT -->'
+          token: ${{ github.token }}

.github/workflows/ci-tests-storybook.yaml

@@ -37,15 +37,14 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v6
 
-      - name: Post starting comment
-        env:
-          GITHUB_TOKEN: ${{ github.token }}
-        run: |
-          chmod +x scripts/cicd/pr-storybook-deploy-and-comment.sh
-          ./scripts/cicd/pr-storybook-deploy-and-comment.sh \
-            "${{ github.event.pull_request.number }}" \
-            "${{ github.head_ref }}" \
-            "starting"
+      - name: Upsert storybook starting section into unified report
+        uses: ./.github/actions/upsert-comment-section
+        with:
+          pr-number: ${{ github.event.pull_request.number }}
+          section-name: storybook
+          section-content: '## 🎨 Storybook: 🚧 Building...'
+          comment-marker: '<!-- COMFYUI_FRONTEND_PR_REPORT -->'
+          token: ${{ github.token }}
 
   # Build Storybook for all PRs (free Cloudflare deployment)
   storybook-build:
@@ -164,19 +163,38 @@ jobs:
       - name: Make deployment script executable
         run: chmod +x scripts/cicd/pr-storybook-deploy-and-comment.sh
 
-      - name: Deploy Storybook and comment on PR
+      - name: Deploy Storybook and generate section
         env:
           CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
           CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
           GITHUB_TOKEN: ${{ github.token }}
           WORKFLOW_CONCLUSION: ${{ needs.storybook-build.outputs.conclusion }}
           WORKFLOW_URL: ${{ needs.storybook-build.outputs.workflow-url }}
+          SUMMARY_FILE: storybook-section.md
+          BRANCH_NAME: ${{ github.head_ref }}
         run: |
           ./scripts/cicd/pr-storybook-deploy-and-comment.sh \
             "${{ github.event.pull_request.number }}" \
-            "${{ github.head_ref }}" \
+            "$BRANCH_NAME" \
             "completed"
 
+      - name: Read storybook section
+        id: section
+        if: hashFiles('storybook-section.md') != ''
+        uses: juliangruber/read-file-action@b549046febe0fe86f8cb4f93c24e284433f9ab58 # v1.1.7
+        with:
+          path: storybook-section.md
+
+      - name: Upsert storybook section into unified report
+        if: steps.section.outputs.content != ''
+        uses: ./.github/actions/upsert-comment-section
+        with:
+          pr-number: ${{ github.event.pull_request.number }}
+          section-name: storybook
+          section-content: ${{ steps.section.outputs.content }}
+          comment-marker: '<!-- COMFYUI_FRONTEND_PR_REPORT -->'
+          token: ${{ github.token }}
+
   # Deploy Storybook to production URL on main branch push
   deploy-production:
     runs-on: ubuntu-latest
@@ -208,35 +226,14 @@ jobs:
     permissions:
       pull-requests: write
     steps:
-      - name: Update comment with Chromatic URLs
-        uses: actions/github-script@v8
+      - name: Upsert Chromatic section into unified report
+        uses: ./.github/actions/upsert-comment-section
         with:
-          script: |
-            const buildUrl = '${{ needs.chromatic-deployment.outputs.chromatic-build-url }}';
-            const storybookUrl = '${{ needs.chromatic-deployment.outputs.chromatic-storybook-url }}';
-
-            // Find the existing Storybook comment
-            const { data: comments } = await github.rest.issues.listComments({
-              owner: context.repo.owner,
-              repo: context.repo.repo,
-              issue_number: ${{ github.event.pull_request.number }}
-            });
-
-            const storybookComment = comments.find(comment =>
-              comment.body.includes('<!-- STORYBOOK_BUILD_STATUS -->')
-            );
-
-            if (storybookComment && buildUrl && storybookUrl) {
-              // Append Chromatic info to existing comment
-              const updatedBody = storybookComment.body.replace(
-                /---\n(.*)$/s,
-                `---\n### 🎨 Chromatic Visual Tests\n- 📊 [View Chromatic Build](${buildUrl})\n- 📚 [View Chromatic Storybook](${storybookUrl})\n\n$1`
-              );
-
-              await github.rest.issues.updateComment({
-                owner: context.repo.owner,
-                repo: context.repo.repo,
-                comment_id: storybookComment.id,
-                body: updatedBody
-              });
-            }
+          pr-number: ${{ github.event.pull_request.number }}
+          section-name: chromatic
+          section-content: |
+            ### 🎨 Chromatic Visual Tests
+            - 📊 [View Chromatic Build](${{ needs.chromatic-deployment.outputs.chromatic-build-url }})
+            - 📚 [View Chromatic Storybook](${{ needs.chromatic-deployment.outputs.chromatic-storybook-url }})
+          comment-marker: '<!-- COMFYUI_FRONTEND_PR_REPORT -->'
+          token: ${{ github.token }}

.github/workflows/pr-report.yaml

@@ -138,6 +138,8 @@ jobs:
             const legacyMarkers = [
               '<!-- COMFYUI_FRONTEND_SIZE -->',
               '<!-- COMFYUI_FRONTEND_PERF -->',
+              '<!-- PLAYWRIGHT_TEST_STATUS -->',
+              '<!-- STORYBOOK_BUILD_STATUS -->',
             ];
 
             const comments = await github.paginate(github.rest.issues.listComments, {
@@ -158,11 +160,19 @@ jobs:
               }
             }
 
-      - name: Post PR comment
+      - name: Read PR report
+        id: report
         if: steps.pr-meta.outputs.skip != 'true'
-        uses: ./.github/actions/post-pr-report-comment
+        uses: juliangruber/read-file-action@b549046febe0fe86f8cb4f93c24e284433f9ab58 # v1.1.7
+        with:
+          path: ./pr-report.md
+
+      - name: Upsert bundle/perf/coverage section into unified report
+        if: steps.pr-meta.outputs.skip != 'true'
+        uses: ./.github/actions/upsert-comment-section
         with:
           pr-number: ${{ steps.pr-meta.outputs.number }}
-          report-file: ./pr-report.md
+          section-name: ci-metrics
+          section-content: ${{ steps.report.outputs.content }}
           comment-marker: '<!-- COMFYUI_FRONTEND_PR_REPORT -->'
           token: ${{ secrets.GITHUB_TOKEN }}

scripts/cicd/pr-playwright-deploy-and-comment.sh

@@ -1,8 +1,13 @@
 #!/bin/bash
 set -e
 
-# Deploy Playwright test reports to Cloudflare Pages and comment on PR
+# Deploy Playwright test reports to Cloudflare Pages and write section markdown.
 # Usage: ./pr-playwright-deploy-and-comment.sh <pr_number> <branch_name> <status>
+#
+# When SUMMARY_FILE env var is set, the generated markdown is written there
+# instead of posted as a standalone GitHub comment. The caller is then
+# responsible for upserting that content into the unified PR report via the
+# upsert-comment-section action.
 
 # Input validation
 # Validate PR number is numeric
@@ -103,17 +108,26 @@ deploy_report() {
     echo "failed"
 }
 
-# Post or update GitHub comment
+# Post or update GitHub comment, or write to SUMMARY_FILE if set.
+# When SUMMARY_FILE is set, the caller (workflow) is responsible for upserting
+# the content into the unified PR report via upsert-comment-section.
 post_comment() {
     body="$1"
+
+    if [ -n "${SUMMARY_FILE:-}" ]; then
+        printf '%s\n' "$body" > "$SUMMARY_FILE"
+        echo "Wrote playwright section to $SUMMARY_FILE" >&2
+        return
+    fi
+
     temp_file=$(mktemp)
     echo "$body" > "$temp_file"
-    
+
     if command -v gh > /dev/null 2>&1; then
         # Find existing comment ID
         existing=$(gh api "repos/$GITHUB_REPOSITORY/issues/$PR_NUMBER/comments" \
             --jq ".[] | select(.body | contains(\"$COMMENT_MARKER\")) | .id" | head -1)
-        
+
         if [ -n "$existing" ]; then
             # Update specific comment by ID
             gh api --method PATCH "repos/$GITHUB_REPOSITORY/issues/comments/$existing" \
@@ -126,15 +140,20 @@ post_comment() {
         echo "GitHub CLI not available, outputting comment:"
         cat "$temp_file"
     fi
-    
+
     rm -f "$temp_file"
 }
 
 # Main execution
 if [ "$STATUS" = "starting" ]; then
-    # Post concise starting comment
-    comment="$COMMENT_MARKER
+    # When writing to SUMMARY_FILE, omit the standalone marker (the upsert
+    # action uses its own section delimiters).
+    if [ -n "${SUMMARY_FILE:-}" ]; then
+        comment="## 🎭 Playwright: ⏳ Running..."
+    else
+        comment="$COMMENT_MARKER
 ## 🎭 Playwright: ⏳ Running..."
+    fi
     post_comment "$comment"
     
 else
@@ -281,9 +300,14 @@ else
         flaky_note=" · $total_flaky flaky"
     fi
     
-    # Generate compact single-line comment
-    comment="$COMMENT_MARKER
+    # Generate compact single-line comment (omit standalone marker when writing
+    # to SUMMARY_FILE — the upsert action adds its own section delimiters).
+    if [ -n "${SUMMARY_FILE:-}" ]; then
+        comment="## 🎭 Playwright: $status_icon $total_passed passed, $total_failed failed$flaky_note"
+    else
+        comment="$COMMENT_MARKER
 ## 🎭 Playwright: $status_icon $total_passed passed, $total_failed failed$flaky_note"
+    fi
 
     # Extract and display failed tests from all browsers (flaky tests are treated as passing)
     if [ $total_failed -gt 0 ]; then

scripts/cicd/pr-storybook-deploy-and-comment.sh

@@ -1,8 +1,13 @@
 #!/bin/bash
 set -e
 
-# Deploy Storybook to Cloudflare Pages and comment on PR
+# Deploy Storybook to Cloudflare Pages and write section markdown.
 # Usage: ./pr-storybook-deploy-and-comment.sh <pr_number> <branch_name> <status>
+#
+# When SUMMARY_FILE env var is set, the generated markdown is written there
+# instead of posted as a standalone GitHub comment. The caller is then
+# responsible for upserting that content into the unified PR report via the
+# upsert-comment-section action.
 
 # Input validation
 # Validate PR number is numeric
@@ -91,17 +96,26 @@ deploy_storybook() {
     echo "failed"
 }
 
-# Post or update GitHub comment
+# Post or update GitHub comment, or write to SUMMARY_FILE if set.
+# When SUMMARY_FILE is set, the caller (workflow) is responsible for upserting
+# the content into the unified PR report via upsert-comment-section.
 post_comment() {
     body="$1"
+
+    if [ -n "${SUMMARY_FILE:-}" ]; then
+        printf '%s\n' "$body" > "$SUMMARY_FILE"
+        echo "Wrote storybook section to $SUMMARY_FILE" >&2
+        return
+    fi
+
     temp_file=$(mktemp)
     echo "$body" > "$temp_file"
-    
+
     if command -v gh > /dev/null 2>&1; then
         # Find existing comment ID
         existing=$(gh api "repos/$GITHUB_REPOSITORY/issues/$PR_NUMBER/comments" \
             --jq ".[] | select(.body | contains(\"$COMMENT_MARKER\")) | .id" | head -1)
-        
+
         if [ -n "$existing" ]; then
             # Update specific comment by ID
             gh api --method PATCH "repos/$GITHUB_REPOSITORY/issues/comments/$existing" \
@@ -113,15 +127,20 @@ post_comment() {
         echo "GitHub CLI not available, outputting comment:"
         cat "$temp_file"
     fi
-    
+
     rm -f "$temp_file"
 }
 
 # Main execution
 if [ "$STATUS" = "starting" ]; then
-    # Post starting comment
-    comment="$COMMENT_MARKER
+    # When writing to SUMMARY_FILE, omit the standalone marker (the upsert
+    # action uses its own section delimiters).
+    if [ -n "${SUMMARY_FILE:-}" ]; then
+        comment="## 🎨 Storybook: <img alt='loading' src='https://github.com/user-attachments/assets/755c86ee-e445-4ea8-bc2c-cca85df48686' width='14px' height='14px'/> Building..."
+    else
+        comment="$COMMENT_MARKER
 ## 🎨 Storybook: <img alt='loading' src='https://github.com/user-attachments/assets/755c86ee-e445-4ea8-bc2c-cca85df48686' width='14px' height='14px'/> Building..."
+    fi
     post_comment "$comment"
     
 elif [ "$STATUS" = "completed" ]; then
@@ -197,10 +216,18 @@ elif [ "$STATUS" = "completed" ]; then
 
 </details>"
 
-    comment="$COMMENT_MARKER
+    # Omit standalone marker when writing to SUMMARY_FILE — the upsert action
+    # adds its own section delimiters.
+    if [ -n "${SUMMARY_FILE:-}" ]; then
+        comment="$header
+
+$details"
+    else
+        comment="$COMMENT_MARKER
 $header
 
 $details"
-    
+    fi
+
     post_comment "$comment"
 fi

scripts/perf-report.ts

@@ -316,12 +316,16 @@ function renderFullReport(
     lines.push(
       `⚠️ **${flaggedRows.length} regression${flaggedRows.length > 1 ? 's' : ''} detected**`,
       '',
+      `<details><summary>Show regressions</summary>`,
+      '',
       ...tableHeader,
       ...flaggedRows,
+      '',
+      '</details>',
       ''
     )
   } else {
-    lines.push('No regressions detected.', '')
+    lines.push('✅ No regressions detected.', '')
   }
 
   lines.push(
@@ -393,6 +397,8 @@ function renderColdStartReport(
   lines.push(
     `> ℹ️ Collecting baseline variance data (${historicalCount}/15 runs). Significance will appear after 2 main branch runs.`,
     '',
+    `<details><summary>All metrics (cold start)</summary>`,
+    '',
     '| Metric | Baseline | PR | Δ |',
     '|--------|----------|-----|---|'
   )
@@ -430,6 +436,7 @@ function renderColdStartReport(
     }
   }
 
+  lines.push('', '</details>')
   return lines
 }
 
@@ -438,7 +445,10 @@ function renderNoBaselineReport(
 ): string[] {
   const lines: string[] = []
   lines.push(
-    'No baseline found — showing absolute values.\n',
+    '> ℹ️ No baseline found — significance unavailable.',
+    '',
+    `<details><summary>Absolute values</summary>`,
+    '',
     '| Metric | Value |',
     '|--------|-------|'
   )
@@ -449,6 +459,7 @@ function renderNoBaselineReport(
       lines.push(`| ${testName}: ${label} | ${formatValue(prVal, unit)} |`)
     }
   }
+  lines.push('', '</details>')
   return lines
 }