Workflowの追従 (#17622)

* [skip ci] Update CHANGELOG.md (prepend template)

* fix(dev): tweak frontend-bundle-report

* Merge branch 'develop' of https://github.com/misskey-dev/misskey into develop

* enhance(dev): tweak Frontend Chunk Report

* fix(dev): tweak frontend-bundle-report-comment

* enhance(dev): tweak Frontend Chunk Report

* enhance(dev): tweak Frontend Chunk Report

* enhance(dev): improve backend memory usage comparison workflow (#17591)

* wip

* Update get-backend-memory.yml

* [ci skip] tweak table

* enhance(dev): tweak report-backend-memory

* refactor(dev): report-backend-memoryのmarkdown生成ロジックを分離

* enhance(dev): tweak report-backend-memory

* enhance(dev): tweak report-backend-memory

* enhance(dev): tweak report-backend-memory

* chore(dev): refactor

* refactor(dev): unify frontend-bundle-visualizer-report.mjs and frontend-js-size.mjs

* chore(dev): fix typo

* refactor(dev): refactor frontend-js-size.mjs

* chore(dev): tweak frontend-js-size.mjs

* chore(dev): tweak frontend-js-size.mjs

* chore(dev): tweak frontend-js-size.mjs

* chore(ci): simplify FFmpeg installation in workflows (#17612)

* chore(ci): simplify FFmpeg installation in workflows

* fix

* fix(dev): tweak frontend-js-size.mjs

* Merge branch 'develop' of https://github.com/misskey-dev/misskey into develop

* enhance(dev): improve Frontend Bundle Report

* chore(dev): refactor frontend bundle report

* enhance(dev): improve backend memory usage report (#17608)

* enhance(dev): tweak report-backend-memory

* wip

* Update backend-memory-report.mjs

* Update backend-memory-report.mjs

* chore(dev): tweak frontend-js-size.mjs

* Merge branch 'develop' of https://github.com/misskey-dev/misskey into develop

* chore(dev): tweak backend-memory-report

* chore(dev): tweak backend-memory-report

* (test) enhance(dev): improve backend-memory-report

* chore(dev): tweak backend-memory-report

* chore(dev): tweak backend-memory-report

* chore(dev): tweak backend-memory-report

* chore(dev): tweak backend-memory-report

* chore(dev): tweak frontend-js-size

* chore(dev): tweak frontend-js-size

* chore(dev): tweak backend-memory-report

* chore(dev): tweak backend-memory-report

* chore(dev): tweak backend-memory-report

* chore(dev): tweak frontend-js-size

* Update frontend-bundle-report.yml

* [ci skip] chore(dev): tweak frontend-js-size

* refactor(dev): refactor of backend memory comparison workflow (#17619)

* refactor(dev): refactor of backend memory comparison workflow

* fix

* fix(dev): follow up of 1c4bcd9b32

* fix(dev): follow up of 1c4bcd9b32

* fix(dev): follow up of 1c4bcd9b32

* fix(dev): follow up of 1c4bcd9b32

* chore(dev): refactor workflow js

* refactor(dev): extract heap snapshot logic

将来的にフロントエンドでもheap snaphotを集計したくなった時などのため
あとpairedDeltaSummaryを共通化

* chore(dev): tweak backend-memory-report

* chore(dev): tweak some workflows

* chore(dev): tweak some workflows

* fix(dev): fix measure-memory

* clean up

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: おさむのひと <46447427+samunohito@users.noreply.github.com>

.github/workflows/frontend-bundle-report-comment.yml

@@ -25,8 +25,8 @@ on:
       - pnpm-lock.yaml
       - pnpm-workspace.yaml
       - .node-version
-      - .github/scripts/frontend-js-size.mjs
-      - .github/scripts/frontend-bundle-visualizer-report.mjs
+      - .github/scripts/utility.mts
+      - .github/scripts/frontend-js-size.mts
       - .github/workflows/frontend-bundle-report.yml
       - .github/workflows/frontend-bundle-report-comment.yml
 
@@ -104,6 +104,9 @@ jobs:
                 });
                 const report = artifacts.find((artifact) => artifact.name === artifactName && !artifact.expired);
                 if (report) return { done: true, run };
+
+                core.info(`Frontend bundle report run ${run.id} did not produce ${artifactName}.`);
+                return { done: true, run: null };
               }
 
               return { done: false, run: null };
@@ -126,8 +129,30 @@ jobs:
 
             core.warning(`Timed out waiting for ${artifactName} from ${workflow_id} for ${headSha}.`);
 
-      - name: Download bundle report from workflow_run
+      - name: Find bundle report artifact
         if: github.event_name == 'workflow_run'
+        id: find-report-artifact
+        uses: actions/github-script@v9
+        with:
+          script: |
+            const artifactName = 'frontend-bundle-report';
+            const { owner, repo } = context.repo;
+            const artifacts = await github.paginate(github.rest.actions.listWorkflowRunArtifacts, {
+              owner,
+              repo,
+              run_id: context.payload.workflow_run.id,
+              per_page: 100,
+            });
+            const report = artifacts.find((artifact) => artifact.name === artifactName && !artifact.expired);
+            if (report) {
+              core.setOutput('exists', 'true');
+            } else {
+              core.info(`Workflow run ${context.payload.workflow_run.id} did not produce ${artifactName}.`);
+              core.setOutput('exists', 'false');
+            }
+
+      - name: Download bundle report from workflow_run
+        if: github.event_name == 'workflow_run' && steps.find-report-artifact.outputs.exists == 'true'
         uses: actions/download-artifact@v8
         with:
           name: frontend-bundle-report
@@ -147,7 +172,7 @@ jobs:
           run-id: ${{ steps.find-report-run.outputs.run-id }}
 
       - name: Comment on pull request
-        if: github.event_name == 'workflow_run' || steps.find-report-run.outputs.run-id != ''
+        if: (github.event_name == 'workflow_run' && steps.find-report-artifact.outputs.exists == 'true') || steps.find-report-run.outputs.run-id != ''
         uses: actions/github-script@v9
         with:
           github-token: ${{ secrets.FRONTEND_BUNDLE_REPORT_COMMENT_TOKEN || secrets.FRONTEND_JS_SIZE_COMMENT_TOKEN || secrets.FRONTEND_BUNDLE_VISUALIZER_COMMENT_TOKEN || github.token }}
@@ -160,30 +185,25 @@ jobs:
             const reportMarkers = [jsSizeMarker, visualizerMarker];
             const reportDir = path.join(process.env.RUNNER_TEMP, 'frontend-bundle-report');
             const jsSizeReportPath = path.join(reportDir, 'frontend-js-size-report.md');
-            const visualizerReportPath = path.join(reportDir, 'frontend-bundle-visualizer-report.md');
             const prNumberPath = path.join(reportDir, 'pr-number.txt');
             const headShaPath = path.join(reportDir, 'head-sha.txt');
             const workflowRun = context.payload.workflow_run;
             const pullRequest = context.payload.pull_request;
-            const headSha = workflowRun?.head_sha ?? pullRequest?.head?.sha ?? null;
+            const eventHeadSha = workflowRun?.head_sha ?? pullRequest?.head?.sha ?? null;
             const { owner, repo } = context.repo;
 
             if (!fs.existsSync(jsSizeReportPath)) {
               core.setFailed('The frontend bundle report artifact does not contain frontend-js-size-report.md.');
               return;
             }
-            if (!fs.existsSync(visualizerReportPath)) {
-              core.setFailed('The frontend bundle report artifact does not contain frontend-bundle-visualizer-report.md.');
-              return;
-            }
 
             const artifactHeadSha = fs.existsSync(headShaPath)
               ? fs.readFileSync(headShaPath, 'utf8').trim()
               : null;
-            if (headSha != null && artifactHeadSha != null && artifactHeadSha !== headSha) {
-              core.setFailed(`The artifact head SHA (${artifactHeadSha}) does not match the workflow head SHA (${headSha}).`);
-              return;
+            if (eventHeadSha != null && artifactHeadSha != null && artifactHeadSha !== eventHeadSha) {
+              core.info(`The artifact head SHA (${artifactHeadSha}) differs from the event head SHA (${eventHeadSha}). Using artifact metadata for PR validation.`);
             }
+            const reportHeadSha = artifactHeadSha ?? eventHeadSha;
 
             const artifactPrNumber = fs.existsSync(prNumberPath)
               ? Number(fs.readFileSync(prNumberPath, 'utf8').trim())
@@ -203,25 +223,29 @@ jobs:
                 }
               }
 
-              const pullRequestsForCommit = await github.paginate(github.rest.repos.listPullRequestsAssociatedWithCommit, {
-                owner,
-                repo,
-                commit_sha: headSha,
-                per_page: 100,
-              });
-              for (const pullRequest of pullRequestsForCommit) {
-                associatedPullRequests.set(pullRequest.number, pullRequest);
+              if (reportHeadSha != null) {
+                const pullRequestsForCommit = await github.paginate(github.rest.repos.listPullRequestsAssociatedWithCommit, {
+                  owner,
+                  repo,
+                  commit_sha: reportHeadSha,
+                  per_page: 100,
+                });
+                for (const pullRequest of pullRequestsForCommit) {
+                  associatedPullRequests.set(pullRequest.number, pullRequest);
+                }
               }
 
               if (Number.isInteger(artifactPrNumber) && associatedPullRequests.has(artifactPrNumber)) {
                 issue_number = artifactPrNumber;
+              } else if (Number.isInteger(artifactPrNumber) && associatedPullRequests.size === 0) {
+                issue_number = artifactPrNumber;
               } else if (!Number.isInteger(artifactPrNumber) && associatedPullRequests.size === 1) {
                 issue_number = [...associatedPullRequests.keys()][0];
               } else if (Number.isInteger(artifactPrNumber)) {
-                core.setFailed(`The artifact pull request number (${artifactPrNumber}) is not associated with ${headSha}.`);
+                core.setFailed(`The artifact pull request number (${artifactPrNumber}) is not associated with ${reportHeadSha}.`);
                 return;
               } else {
-                core.setFailed(`Could not determine the pull request associated with ${headSha}.`);
+                core.setFailed(`Could not determine the pull request associated with ${reportHeadSha}.`);
                 return;
               }
             } else {
@@ -229,16 +253,23 @@ jobs:
               return;
             }
 
+            const currentPullRequest = await github.rest.pulls.get({
+              owner,
+              repo,
+              pull_number: issue_number,
+            });
+            const currentHeadSha = currentPullRequest.data.head?.sha;
+            if (reportHeadSha != null && currentHeadSha != null && reportHeadSha !== currentHeadSha) {
+              core.info(`The report head SHA (${reportHeadSha}) is not the current pull request head SHA (${currentHeadSha}). Skipping stale frontend bundle report.`);
+              return;
+            }
+
             const jsSizeReport = fs.readFileSync(jsSizeReportPath, 'utf8').trim();
             if (!jsSizeReport.includes(jsSizeMarker)) {
               core.setFailed('The frontend JS size report is missing the expected marker.');
               return;
             }
-            const visualizerReport = fs.readFileSync(visualizerReportPath, 'utf8').trim();
-            let body = [
-              jsSizeReport,
-              visualizerReport,
-            ].join('\n\n') + '\n';
+            let body = `${jsSizeReport}\n`;
 
             const maxCommentLength = 65_000;
             if (body.length > maxCommentLength) {

.github/workflows/frontend-bundle-report.yml

@@ -20,8 +20,8 @@ on:
       - pnpm-lock.yaml
       - pnpm-workspace.yaml
       - .node-version
-      - .github/scripts/frontend-js-size.mjs
-      - .github/scripts/frontend-bundle-visualizer-report.mjs
+      - .github/scripts/utility.mts
+      - .github/scripts/frontend-js-size.mts
       - .github/workflows/frontend-bundle-report.yml
       - .github/workflows/frontend-bundle-report-comment.yml
 
@@ -56,21 +56,25 @@ jobs:
           path: after
           submodules: true
 
-      - name: Backport visualizer tooling to base if needed
+      - name: Check base visualizer support
+        id: check-base-visualizer
         shell: bash
         run: |
-          if ! grep -q 'FRONTEND_BUNDLE_VISUALIZER' before/packages/frontend/vite.config.ts; then
-            cp after/packages/frontend/package.json before/packages/frontend/package.json
-            cp after/packages/frontend/vite.config.ts before/packages/frontend/vite.config.ts
-            cp after/pnpm-lock.yaml before/pnpm-lock.yaml
+          if grep -q 'FRONTEND_BUNDLE_VISUALIZER' before/packages/frontend/vite.config.ts; then
+            echo 'supported=true' >> "$GITHUB_OUTPUT"
+          else
+            echo 'supported=false' >> "$GITHUB_OUTPUT"
+            echo 'Base commit does not support frontend bundle visualizer. Skipping frontend bundle report.' >> "$GITHUB_STEP_SUMMARY"
           fi
 
       - name: Setup pnpm
+        if: steps.check-base-visualizer.outputs.supported == 'true'
         uses: pnpm/action-setup@v6.0.3
         with:
           package_json_file: after/package.json
 
       - name: Setup Node.js
+        if: steps.check-base-visualizer.outputs.supported == 'true'
         uses: actions/setup-node@v6.4.0
         with:
           node-version-file: after/.node-version
@@ -80,67 +84,84 @@ jobs:
             after/pnpm-lock.yaml
 
       - name: Install dependencies for base
+        if: steps.check-base-visualizer.outputs.supported == 'true'
         working-directory: before
         run: pnpm i --frozen-lockfile
 
       - name: Build frontend dependencies for base
+        if: steps.check-base-visualizer.outputs.supported == 'true'
         working-directory: before
         run: pnpm --filter "frontend^..." run build
 
       - name: Prepare report output
+        if: steps.check-base-visualizer.outputs.supported == 'true'
         run: mkdir -p "$RUNNER_TEMP/frontend-bundle-report"
 
       - name: Build frontend report for base
+        if: steps.check-base-visualizer.outputs.supported == 'true'
         working-directory: before
         env:
           FRONTEND_BUNDLE_VISUALIZER: 'true'
-          FRONTEND_BUNDLE_VISUALIZER_TEMPLATE: raw-data
           FRONTEND_BUNDLE_VISUALIZER_FILE: ${{ runner.temp }}/frontend-bundle-report/before-stats.json
         run: pnpm --filter frontend run build
 
       - name: Install dependencies for pull request
+        if: steps.check-base-visualizer.outputs.supported == 'true'
         working-directory: after
         run: pnpm i --frozen-lockfile
 
       - name: Build frontend dependencies for pull request
+        if: steps.check-base-visualizer.outputs.supported == 'true'
         working-directory: after
         run: pnpm --filter "frontend^..." run build
 
       - name: Build frontend report for pull request
+        if: steps.check-base-visualizer.outputs.supported == 'true'
         working-directory: after
         env:
           FRONTEND_BUNDLE_VISUALIZER: 'true'
-          FRONTEND_BUNDLE_VISUALIZER_TEMPLATE: raw-data
           FRONTEND_BUNDLE_VISUALIZER_FILE: ${{ runner.temp }}/frontend-bundle-report/after-stats.json
+          FRONTEND_BUNDLE_VISUALIZER_HTML_FILE: ${{ runner.temp }}/frontend-bundle-report/frontend-bundle-visualizer.html
         run: pnpm --filter frontend run build
 
+      - name: Upload bundle visualizer
+        if: steps.check-base-visualizer.outputs.supported == 'true'
+        id: upload-bundle-visualizer
+        uses: actions/upload-artifact@v7
+        with:
+          name: frontend-bundle-visualizer
+          path: ${{ runner.temp }}/frontend-bundle-report/frontend-bundle-visualizer.html
+          if-no-files-found: error
+          archive: false
+          retention-days: 7
+
       - name: Generate report markdown
+        if: steps.check-base-visualizer.outputs.supported == 'true'
         shell: bash
         env:
           BASE_SHA: ${{ github.event.pull_request.base.sha }}
           HEAD_SHA: ${{ github.event.pull_request.head.sha }}
           PR_NUMBER: ${{ github.event.pull_request.number }}
+          FRONTEND_BUNDLE_REPORT_ARTIFACT_URL: ${{ steps.upload-bundle-visualizer.outputs.artifact-url }}
         run: |
           REPORT_DIR="$RUNNER_TEMP/frontend-bundle-report"
-          node after/.github/scripts/frontend-js-size.mjs before after "$REPORT_DIR/frontend-js-size-report.md"
-          node after/.github/scripts/frontend-bundle-visualizer-report.mjs "$REPORT_DIR/before-stats.json" "$REPORT_DIR/after-stats.json" "$REPORT_DIR/frontend-bundle-visualizer-report.md"
+          node after/.github/scripts/frontend-js-size.mts before after "$REPORT_DIR/before-stats.json" "$REPORT_DIR/after-stats.json" "$REPORT_DIR/frontend-js-size-report.md"
           printf '%s\n' "$PR_NUMBER" > "$REPORT_DIR/pr-number.txt"
           printf '%s\n' "$BASE_SHA" > "$REPORT_DIR/base-sha.txt"
           printf '%s\n' "$HEAD_SHA" > "$REPORT_DIR/head-sha.txt"
           printf '%s\n' "${{ github.event.pull_request.html_url }}" > "$REPORT_DIR/pr-url.txt"
 
       - name: Check report
+        if: steps.check-base-visualizer.outputs.supported == 'true'
         run: |
           REPORT_DIR="$RUNNER_TEMP/frontend-bundle-report"
           test -s "$REPORT_DIR/before-stats.json"
           test -s "$REPORT_DIR/after-stats.json"
           test -s "$REPORT_DIR/frontend-js-size-report.md"
-          test -s "$REPORT_DIR/frontend-bundle-visualizer-report.md"
           cat "$REPORT_DIR/frontend-js-size-report.md" >> "$GITHUB_STEP_SUMMARY"
-          printf '\n\n' >> "$GITHUB_STEP_SUMMARY"
-          cat "$REPORT_DIR/frontend-bundle-visualizer-report.md" >> "$GITHUB_STEP_SUMMARY"
 
       - name: Upload bundle report
+        if: steps.check-base-visualizer.outputs.supported == 'true'
         uses: actions/upload-artifact@v7
         with:
           name: frontend-bundle-report

.github/workflows/get-backend-memory.yml

@@ -9,7 +9,14 @@ on:
     paths:
       - packages/backend/**
       - packages/misskey-js/**
+      - .github/scripts/utility.mts
+      - .github/scripts/backend-memory-report.mts
+      - .github/scripts/measure-backend-memory-comparison.mts
+      - .github/scripts/backend-js-footprint.mjs
+      - .github/scripts/backend-js-footprint-loader.mjs
+      - .github/scripts/backend-js-footprint-require.cjs
       - .github/workflows/get-backend-memory.yml
+      - .github/workflows/report-backend-memory.yml
 
 jobs:
   get-memory-usage:
@@ -17,15 +24,6 @@ jobs:
     permissions:
       contents: read
 
-    strategy:
-      matrix:
-        memory-json-name: [memory-base.json, memory-head.json]
-        include:
-          - memory-json-name: memory-base.json
-            ref: ${{ github.base_ref }}
-          - memory-json-name: memory-head.json
-            ref: refs/pull/${{ github.event.number }}/merge
-
     services:
       postgres:
         image: postgres:18
@@ -40,37 +38,77 @@ jobs:
           - 56312:6379
 
     steps:
-    - uses: actions/checkout@v6.0.2
+    - name: Checkout base
+      uses: actions/checkout@v6.0.2
       with:
-        ref: ${{ matrix.ref }}
+        ref: ${{ github.base_ref }}
+        path: base
+        submodules: true
+    - name: Checkout head
+      uses: actions/checkout@v6.0.2
+      with:
+        ref: refs/pull/${{ github.event.number }}/merge
+        path: head
         submodules: true
     - name: Setup pnpm
       uses: pnpm/action-setup@v6.0.3
+      with:
+        package_json_file: head/package.json
     - name: Use Node.js
       uses: actions/setup-node@v6.4.0
       with:
-        node-version-file: '.node-version'
+        node-version-file: 'head/.node-version'
         cache: 'pnpm'
-    - run: pnpm i --frozen-lockfile
-    - name: Check pnpm-lock.yaml
+        cache-dependency-path: |
+          base/pnpm-lock.yaml
+          head/pnpm-lock.yaml
+    - name: Install base dependencies
+      working-directory: base
+      run: pnpm i --frozen-lockfile
+    - name: Check base pnpm-lock.yaml
+      working-directory: base
       run: git diff --exit-code pnpm-lock.yaml
-    - name: Copy Configure
-      run: cp .github/misskey/test.yml .config/default.yml
-    - name: Compile Configure
-      run: pnpm compile-config
-    - name: Build
-      run: pnpm build
-    - name: Run migrations
-      run: pnpm --filter backend migrate
-    - name: Measure memory usage
+    - name: Configure base
+      working-directory: base
       run: |
-        # Start the server and measure memory usage
-        node packages/backend/scripts/measure-memory.mjs > ${{ matrix.memory-json-name }}
+        cp .github/misskey/test.yml .config/default.yml
+        pnpm compile-config
+    - name: Build base
+      working-directory: base
+      run: pnpm build
+    - name: Install head dependencies
+      working-directory: head
+      run: pnpm i --frozen-lockfile
+    - name: Check head pnpm-lock.yaml
+      working-directory: head
+      run: git diff --exit-code pnpm-lock.yaml
+    - name: Configure head
+      working-directory: head
+      run: |
+        cp .github/misskey/test.yml .config/default.yml
+        pnpm compile-config
+    - name: Build head
+      working-directory: head
+      run: pnpm build
+    - name: Measure backend memory usage
+      env:
+        MK_MEMORY_COMPARE_ROUNDS: 5
+        MK_MEMORY_COMPARE_WARMUP_ROUNDS: 1
+        MK_MEMORY_HEAP_SNAPSHOT: 1
+      run: node head/.github/scripts/measure-backend-memory-comparison.mts base head memory-base.json memory-head.json
+    - name: Measure backend loaded JS footprint
+      run: |
+        node head/.github/scripts/backend-js-footprint.mjs base js-footprint-base.json
+        node head/.github/scripts/backend-js-footprint.mjs head js-footprint-head.json
     - name: Upload Artifact
       uses: actions/upload-artifact@v7
       with:
-        name: memory-artifact-${{ matrix.memory-json-name }}
-        path: ${{ matrix.memory-json-name }}
+        name: memory-artifact-results
+        path: |
+          memory-base.json
+          memory-head.json
+          js-footprint-base.json
+          js-footprint-head.json
 
   save-pr-number:
     runs-on: ubuntu-latest

.github/workflows/report-backend-memory.yml

@@ -11,9 +11,14 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ github.event.workflow_run.conclusion == 'success' }}
     permissions:
+      actions: read
+      contents: read
       pull-requests: write
 
     steps:
+      - name: Checkout
+        uses: actions/checkout@v6.0.2
+
       - name: Download artifact
         uses: actions/github-script@v9
         with:
@@ -48,120 +53,13 @@ jobs:
         run: cat ./artifacts/memory-base.json
       - name: Output head
         run: cat ./artifacts/memory-head.json
-      - name: Compare memory usage
-        id: compare
-        run: |
-          BASE_MEMORY=$(cat ./artifacts/memory-base.json)
-          HEAD_MEMORY=$(cat ./artifacts/memory-head.json)
-
-          variation() {
-            calc() {
-              BASE=$(echo "$BASE_MEMORY" | jq -r ".${1}.${2} // 0")
-              HEAD=$(echo "$HEAD_MEMORY" | jq -r ".${1}.${2} // 0")
-
-              DIFF=$((HEAD - BASE))
-              if [ "$BASE" -gt 0 ]; then
-                DIFF_PERCENT=$(echo "scale=2; ($DIFF * 100) / $BASE" | bc)
-              else
-                DIFF_PERCENT=0
-              fi
-
-              # Convert KB to MB for readability
-              BASE_MB=$(echo "scale=2; $BASE / 1024" | bc)
-              HEAD_MB=$(echo "scale=2; $HEAD / 1024" | bc)
-              DIFF_MB=$(echo "scale=2; $DIFF / 1024" | bc)
-
-              JSON=$(jq -c -n \
-                --argjson base "$BASE_MB" \
-                --argjson head "$HEAD_MB" \
-                --argjson diff "$DIFF_MB" \
-                --argjson diff_percent "$DIFF_PERCENT" \
-                '{base: $base, head: $head, diff: $diff, diff_percent: $diff_percent}')
-
-              echo "$JSON"
-            }
-
-            JSON=$(jq -c -n \
-              --argjson VmRSS "$(calc $1 VmRSS)" \
-              --argjson VmHWM "$(calc $1 VmHWM)" \
-              --argjson VmSize "$(calc $1 VmSize)" \
-              --argjson VmData "$(calc $1 VmData)" \
-              '{VmRSS: $VmRSS, VmHWM: $VmHWM, VmSize: $VmSize, VmData: $VmData}')
-
-            echo "$JSON"
-          }
-
-          JSON=$(jq -c -n \
-            --argjson beforeGc "$(variation beforeGc)" \
-            --argjson afterGc "$(variation afterGc)" \
-            --argjson afterRequest "$(variation afterRequest)" \
-            '{beforeGc: $beforeGc, afterGc: $afterGc, afterRequest: $afterRequest}')
-
-          echo "res=$JSON" >> "$GITHUB_OUTPUT"
+      - name: Output base JS footprint
+        run: cat ./artifacts/js-footprint-base.json
+      - name: Output head JS footprint
+        run: cat ./artifacts/js-footprint-head.json
       - id: build-comment
         name: Build memory comment
-        env:
-          RES: ${{ steps.compare.outputs.res }}
-        run: |
-          HEADER="## Backend memory usage comparison"
-          FOOTER="[See workflow logs for details](https://github.com/${GITHUB_REPOSITORY}/actions/runs/${GITHUB_RUN_ID})"
-
-          echo "$HEADER" > ./output.md
-          echo >> ./output.md
-
-          table() {
-            echo "| Metric | base (MB) | head (MB) | Diff (MB) | Diff (%) |" >> ./output.md
-            echo "|--------|------:|------:|------:|------:|" >> ./output.md
-
-            line() {
-              METRIC=$2
-              BASE=$(echo "$RES" | jq -r ".${1}.${2}.base")
-              HEAD=$(echo "$RES" | jq -r ".${1}.${2}.head")
-              DIFF=$(echo "$RES" | jq -r ".${1}.${2}.diff")
-              DIFF_PERCENT=$(echo "$RES" | jq -r ".${1}.${2}.diff_percent")
-
-              if (( $(echo "$DIFF_PERCENT > 0" | bc -l) )); then
-                DIFF="+$DIFF"
-                DIFF_PERCENT="+$DIFF_PERCENT"
-              fi
-
-              # highlight VmRSS
-              if [ "$2" = "VmRSS" ]; then
-                METRIC="**${METRIC}**"
-                BASE="**${BASE}**"
-                HEAD="**${HEAD}**"
-                DIFF="**${DIFF}**"
-                DIFF_PERCENT="**${DIFF_PERCENT}**"
-              fi
-
-              echo "| ${METRIC} | ${BASE} MB | ${HEAD} MB | ${DIFF} MB | ${DIFF_PERCENT}% |" >> ./output.md
-            }
-
-            line $1 VmRSS
-            line $1 VmHWM
-            line $1 VmSize
-            line $1 VmData
-          }
-
-          echo "### Before GC" >> ./output.md
-          table beforeGc
-          echo >> ./output.md
-
-          echo "### After GC" >> ./output.md
-          table afterGc
-          echo >> ./output.md
-
-          echo "### After Request" >> ./output.md
-          table afterRequest
-          echo >> ./output.md
-
-          # Determine if this is a significant change (more than 5% increase)
-          if [ "$(echo "$RES" | jq -r '.afterGc.VmRSS.diff_percent | tonumber > 5')" = "true" ]; then
-            echo "⚠️ **Warning**: Memory usage has increased by more than 5%. Please verify this is not an unintended change." >> ./output.md
-            echo >> ./output.md
-          fi
-
-          echo "$FOOTER" >> ./output.md
+        run: node .github/scripts/backend-memory-report.mts ./artifacts/memory-base.json ./artifacts/memory-head.json ./output.md ./artifacts/js-footprint-base.json ./artifacts/js-footprint-head.json
       - uses: thollander/actions-comment-pull-request@v3
         with:
           pr-number: ${{ steps.load-pr-num.outputs.pr-number }}

.github/workflows/test-backend.yml

@@ -19,12 +19,6 @@ on:
       - .github/workflows/test-backend.yml
       - .github/misskey/test.yml
   workflow_dispatch:
-    inputs:
-      force_ffmpeg_cache_update:
-        description: 'Force update ffmpeg cache'
-        required: false
-        default: false
-        type: boolean
 
 jobs:
   unit:
@@ -62,36 +56,9 @@ jobs:
         submodules: true
     - name: Setup pnpm
       uses: pnpm/action-setup@v6.0.3
-    - name: Get current date
-      id: current-date
-      run: echo "today=$(date +'%Y-%m-%d')" >> $GITHUB_OUTPUT
-    - name: Setup and Restore ffmpeg/ffprobe Cache
-      id: cache-ffmpeg
-      uses: actions/cache@v5
-      with:
-        path: |
-          /usr/local/bin/ffmpeg
-          /usr/local/bin/ffprobe
-        # daily cache
-        key: ${{ runner.os }}-ffmpeg-${{ steps.current-date.outputs.today }}
-        restore-keys: |
-          ${{ runner.os }}-ffmpeg-${{ steps.current-date.outputs.today }}
     - name: Install FFmpeg
-      if: steps.cache-ffmpeg.outputs.cache-hit != 'true' || github.event.inputs.force_ffmpeg_cache_update == true
       run: |
-        for i in {1..3}; do
-          echo "Attempt $i: Installing FFmpeg..."
-          curl -s -L https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-amd64-static.tar.xz -o ffmpeg.tar.xz && \
-          tar -xf ffmpeg.tar.xz && \
-          mv ffmpeg-*-static/ffmpeg /usr/local/bin/ && \
-          mv ffmpeg-*-static/ffprobe /usr/local/bin/ && \
-          rm -rf ffmpeg.tar.xz ffmpeg-*-static/ && \
-          break || sleep 10
-          if [ $i -eq 3 ]; then
-            echo "Failed to install FFmpeg after 3 attempts"
-            exit 1
-          fi
-        done
+        sudo apt install -y ffmpeg
     - name: Use Node.js
       uses: actions/setup-node@v6.4.0
       with:

.github/workflows/test-federation.yml

@@ -15,12 +15,6 @@ on:
       - packages/misskey-js/**
       - .github/workflows/test-federation.yml
   workflow_dispatch:
-    inputs:
-      force_ffmpeg_cache_update:
-        description: 'Force update ffmpeg cache'
-        required: false
-        default: false
-        type: boolean
 
 jobs:
   test:
@@ -37,36 +31,9 @@ jobs:
           submodules: true
       - name: Setup pnpm
         uses: pnpm/action-setup@v6.0.3
-      - name: Get current date
-        id: current-date
-        run: echo "today=$(date +'%Y-%m-%d')" >> $GITHUB_OUTPUT
-      - name: Setup and Restore ffmpeg/ffprobe Cache
-        id: cache-ffmpeg
-        uses: actions/cache@v5
-        with:
-          path: |
-            /usr/local/bin/ffmpeg
-            /usr/local/bin/ffprobe
-          # daily cache
-          key: ${{ runner.os }}-ffmpeg-${{ steps.current-date.outputs.today }}
-          restore-keys: |
-            ${{ runner.os }}-ffmpeg-${{ steps.current-date.outputs.today }}
       - name: Install FFmpeg
-        if: steps.cache-ffmpeg.outputs.cache-hit != 'true' || github.event.inputs.force_ffmpeg_cache_update == true
         run: |
-          for i in {1..3}; do
-            echo "Attempt $i: Installing FFmpeg..."
-            curl -s -L https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-amd64-static.tar.xz -o ffmpeg.tar.xz && \
-            tar -xf ffmpeg.tar.xz && \
-            mv ffmpeg-*-static/ffmpeg /usr/local/bin/ && \
-            mv ffmpeg-*-static/ffprobe /usr/local/bin/ && \
-            rm -rf ffmpeg.tar.xz ffmpeg-*-static/ && \
-            break || sleep 10
-            if [ $i -eq 3 ]; then
-              echo "Failed to install FFmpeg after 3 attempts"
-              exit 1
-            fi
-          done
+          sudo apt install -y ffmpeg
       - name: Use Node.js
         uses: actions/setup-node@v6.4.0
         with: