diff --git a/.github/workflows/actions-freshness.yml b/.github/workflows/actions-freshness.yml
index 18a495f..1acab39 100644
--- a/.github/workflows/actions-freshness.yml
+++ b/.github/workflows/actions-freshness.yml
@@ -22,12 +22,12 @@ jobs:
       issues: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
         with:
           persist-credentials: false
 
       - name: Setup Node.js
-        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020
+        uses: actions/setup-node@6044e13b5dc448c55e2357c09f80417699197238
         with:
           node-version: '20'
 
@@ -42,7 +42,7 @@ jobs:
 
       - name: Upload freshness report artifact
         if: always()
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f
         with:
           name: actions-freshness-report
           path: |
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index a853306..29f102a 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -26,17 +26,17 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
         with:
           persist-credentials: false
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@b5ebac6f4c00c8ccddb7cdcd45fdb248329f808a
+        uses: github/codeql-action/init@45cbd0c69e560cd9e7cd7f8c32362050c9b7ded2
         with:
           languages: ${{ matrix.language }}
           config-file: ./.github/codeql/codeql-config.yml
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@b5ebac6f4c00c8ccddb7cdcd45fdb248329f808a
+        uses: github/codeql-action/analyze@45cbd0c69e560cd9e7cd7f8c32362050c9b7ded2
         with:
           category: /language:${{ matrix.language }}
diff --git a/.github/workflows/poutine.yml b/.github/workflows/poutine.yml
index cc21a5d..49c7126 100644
--- a/.github/workflows/poutine.yml
+++ b/.github/workflows/poutine.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
         with:
           persist-credentials: false
 
@@ -38,14 +38,14 @@ jobs:
           mv results.cleaned.sarif results.sarif
 
       - name: Upload poutine SARIF
-        uses: github/codeql-action/upload-sarif@b5ebac6f4c00c8ccddb7cdcd45fdb248329f808a
+        uses: github/codeql-action/upload-sarif@45cbd0c69e560cd9e7cd7f8c32362050c9b7ded2
         with:
           sarif_file: results.sarif
           category: /tool:poutine
 
       - name: Upload poutine artifact
         if: always()
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f
         with:
           name: poutine-sarif
           path: results.sarif
diff --git a/.github/workflows/qa-matrix.yml b/.github/workflows/qa-matrix.yml
index 8e569d1..04b70de 100644
--- a/.github/workflows/qa-matrix.yml
+++ b/.github/workflows/qa-matrix.yml
@@ -23,15 +23,16 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
         with:
           persist-credentials: false
 
       - name: Setup Node.js
-        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020
+        uses: actions/setup-node@6044e13b5dc448c55e2357c09f80417699197238
         with:
           node-version: 20
-          package-manager-cache: false
+          cache: npm
+          cache-dependency-path: package-lock.json
 
       - name: Install dependencies
         run: npm ci
@@ -83,7 +84,7 @@ jobs:
 
       - name: Upload UI screenshot
         if: always() && steps.capture_ui_screenshot.outcome == 'success'
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f
         with:
           name: ui-screenshot-${{ runner.os }}
           path: dist/qa/screenshots/*.png
@@ -92,7 +93,7 @@ jobs:
 
       - name: Upload Playwright E2E artifacts
         if: runner.os == 'Linux' && always()
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f
         with:
           name: playwright-e2e-linux
           path: |
@@ -103,7 +104,7 @@ jobs:
 
       - name: Upload stress benchmark artifacts
         if: runner.os == 'Linux' && always()
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f
         with:
           name: stress-benchmarks-linux
           path: |
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3438f5f..bdbd3b5 100755
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -15,12 +15,12 @@ jobs:
       contents: read
     steps:
       - name: Check out Git repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
         with:
           persist-credentials: false
 
       - name: Install Node.js
-        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020
+        uses: actions/setup-node@6044e13b5dc448c55e2357c09f80417699197238
         with:
           node-version: 20
           package-manager-cache: false
@@ -40,7 +40,7 @@ jobs:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Upload Windows Artifacts
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f
         with:
           name: windows-artifacts
           path: |
@@ -56,12 +56,12 @@ jobs:
       contents: read
     steps:
       - name: Check out Git repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
         with:
           persist-credentials: false
 
       - name: Install Node.js
-        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020
+        uses: actions/setup-node@6044e13b5dc448c55e2357c09f80417699197238
         with:
           node-version: 20
           package-manager-cache: false
@@ -110,7 +110,7 @@ jobs:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Upload Linux Artifacts
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f
         with:
           name: linux-artifacts
           path: |
@@ -126,12 +126,12 @@ jobs:
       contents: read
     steps:
       - name: Check out Git repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
         with:
           persist-credentials: false
 
       - name: Install Node.js
-        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020
+        uses: actions/setup-node@6044e13b5dc448c55e2357c09f80417699197238
         with:
           node-version: 20
           package-manager-cache: false
@@ -151,7 +151,7 @@ jobs:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Upload macOS Artifacts
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f
         with:
           name: macos-artifacts
           path: |
@@ -168,7 +168,7 @@ jobs:
       contents: write
     steps:
       - name: Check out Git repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
         with:
           fetch-depth: 0
           persist-credentials: false
@@ -198,19 +198,19 @@ jobs:
         continue-on-error: true
 
       - name: Download Windows artifacts
-        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093
+        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131
         with:
           name: windows-artifacts
           path: artifacts/windows
 
       - name: Download Linux artifacts
-        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093
+        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131
         with:
           name: linux-artifacts
           path: artifacts/linux
 
       - name: Download macOS artifacts
-        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093
+        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131
         with:
           name: macos-artifacts
           path: artifacts/macos
diff --git a/.github/workflows/sbom.yml b/.github/workflows/sbom.yml
index f3f4bce..9632063 100644
--- a/.github/workflows/sbom.yml
+++ b/.github/workflows/sbom.yml
@@ -27,7 +27,8 @@ jobs:
         uses: actions/setup-node@6044e13b5dc448c55e2357c09f80417699197238
         with:
           node-version: 20
-          package-manager-cache: false
+          cache: npm
+          cache-dependency-path: package-lock.json
 
       - name: Install dependencies
         run: npm ci --ignore-scripts
diff --git a/.github/workflows/secrets-gate.yml b/.github/workflows/secrets-gate.yml
index c26b7c1..2ad96bc 100644
--- a/.github/workflows/secrets-gate.yml
+++ b/.github/workflows/secrets-gate.yml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
         with:
           fetch-depth: 0
           persist-credentials: false
@@ -60,7 +60,7 @@ jobs:
 
       - name: Upload gitleaks report
         if: always()
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f
         with:
           name: gitleaks-report
           path: gitleaks-report.json
diff --git a/.github/workflows/sonarcloud.yml b/.github/workflows/sonarcloud.yml
index b26e41d..b697d44 100644
--- a/.github/workflows/sonarcloud.yml
+++ b/.github/workflows/sonarcloud.yml
@@ -17,15 +17,16 @@ jobs:
       contents: read
 
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
         with:
           fetch-depth: 0
           persist-credentials: false
 
-      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020
+      - uses: actions/setup-node@6044e13b5dc448c55e2357c09f80417699197238
         with:
           node-version: 20
-          package-manager-cache: false
+          cache: npm
+          cache-dependency-path: package-lock.json
 
       - name: Install dependencies
         run: npm ci
diff --git a/docs/plan/cicd_security.md b/docs/plan/cicd_security.md
index e19c254..d70ad36 100644
--- a/docs/plan/cicd_security.md
+++ b/docs/plan/cicd_security.md
@@ -65,6 +65,8 @@ This document defines the CI/CD security and quality baseline for `ai-code-fusio
 
 - CI workflows now declare job-level `permissions` explicitly, even when matching workflow defaults.
 - Dependency Review keeps PR summary behavior while disabling OpenSSF scorecard output to reduce third-party token-permission noise unrelated to repository workflow scopes.
+- `actions/setup-node` usage is normalized to supported cache inputs (`cache`, `cache-dependency-path`) to avoid unsupported-input warnings.
+- Core GitHub Action pins are refreshed to current maintained release SHAs on a recurring basis.
 
 ## Example Workflow Pattern