diff --git a/.github/workflows/actionlint.yml b/.github/workflows/actionlint.yml
index 1f36ef6b3..3fb323db4 100644
--- a/.github/workflows/actionlint.yml
+++ b/.github/workflows/actionlint.yml
@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/agentics-maintenance.yml b/.github/workflows/agentics-maintenance.yml
index ea31ab4ad..f45c68071 100644
--- a/.github/workflows/agentics-maintenance.yml
+++ b/.github/workflows/agentics-maintenance.yml
@@ -156,7 +156,7 @@ jobs:
       operation: ${{ steps.record.outputs.operation }}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
 
@@ -245,7 +245,7 @@ jobs:
       run_url: ${{ steps.record.outputs.run_url }}
     steps:
       - name: Checkout actions folder
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           sparse-checkout: |
             actions
@@ -291,7 +291,7 @@ jobs:
       issues: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
 
@@ -337,7 +337,7 @@ jobs:
       issues: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
 
@@ -363,7 +363,7 @@ jobs:
 
       - name: Restore activity report logs cache
         id: activity_report_logs_cache
-        uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        uses: actions/cache/restore@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
         with:
           path: ./.cache/gh-aw/activity-report-logs
           key: ${{ runner.os }}-activity-report-logs-${{ github.repository }}-${{ github.ref_name }}-${{ github.run_id }}
@@ -387,7 +387,7 @@ jobs:
 
       - name: Save activity report logs cache
         if: ${{ always() }}
-        uses: actions/cache/save@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        uses: actions/cache/save@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
         with:
           path: ./.cache/gh-aw/activity-report-logs
           key: ${{ steps.activity_report_logs_cache.outputs.cache-primary-key }}
@@ -442,7 +442,7 @@ jobs:
       issues: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
 
@@ -468,7 +468,7 @@ jobs:
 
       - name: Restore forecast report logs cache
         id: forecast_report_logs_cache
-        uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        uses: actions/cache/restore@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
         with:
           path: ./.github/aw/logs
           key: ${{ runner.os }}-forecast-report-logs-${{ github.repository }}-${{ github.ref_name }}-${{ github.run_id }}
@@ -514,7 +514,7 @@ jobs:
 
       - name: Save forecast report logs cache
         if: ${{ always() }}
-        uses: actions/cache/save@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        uses: actions/cache/save@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
         with:
           path: ./.github/aw/logs
           key: ${{ runner.os }}-forecast-report-logs-${{ github.repository }}-${{ github.ref_name }}-${{ github.run_id }}
@@ -571,7 +571,7 @@ jobs:
       issues: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/codeowners-folder-validation.yml b/.github/workflows/codeowners-folder-validation.yml
index 26c4fb76d..eab36a6b9 100644
--- a/.github/workflows/codeowners-folder-validation.yml
+++ b/.github/workflows/codeowners-folder-validation.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/evaluation.yml b/.github/workflows/evaluation.yml
index a959ec5c6..23353ca93 100644
--- a/.github/workflows/evaluation.yml
+++ b/.github/workflows/evaluation.yml
@@ -111,7 +111,7 @@ jobs:
       statuses: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
         with:
           fetch-depth: 0
           persist-credentials: false
@@ -176,7 +176,7 @@ jobs:
       statuses: write
     steps:
       - name: Checkout base branch
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
         with:
           ref: ${{ github.event.pull_request.base.sha }}
           fetch-depth: 0
@@ -427,7 +427,7 @@ jobs:
 
       - name: Checkout repository
         if: github.event_name != 'schedule' || steps.check-changes.outputs.has_changes == 'true' || github.event_name == 'workflow_dispatch'
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
         with:
           fetch-depth: 0
           persist-credentials: false
@@ -631,7 +631,7 @@ jobs:
       # changes are tested. For fork PRs (untrusted), always build from the
       # base branch to prevent untrusted code from modifying tooling.
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
         with:
           ref: ${{ needs.gate.outputs.is_fork != 'true' && needs.gate.outputs.head_sha || '' }}
           persist-credentials: false
@@ -642,14 +642,14 @@ jobs:
 
       - name: Cache validator archive
         id: cache-validator
-        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v4
+        uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v4
         with:
           path: skill-validator-dist.tar.gz
           key: ${{ steps.compute-key.outputs.cache-key }}
 
       - name: Setup .NET SDK
         if: steps.cache-validator.outputs.cache-hit != 'true'
-        uses: actions/setup-dotnet@c2fa09f4bde5ebb9d1777cf28262a3eb3db3ced7 # v5
+        uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5
         with:
           global-json-file: global.json
 
@@ -689,19 +689,19 @@ jobs:
 
     steps:
       - name: Checkout skills content
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
         with:
           ref: ${{ needs.gate.outputs.head_sha || '' }}
           persist-credentials: false
 
       - name: Setup .NET SDK
-        uses: actions/setup-dotnet@c2fa09f4bde5ebb9d1777cf28262a3eb3db3ced7 # v5
+        uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5
         with:
           global-json-file: global.json
 
       - name: Restore cached validator
         id: cache-validator
-        uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v4
+        uses: actions/cache/restore@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v4
         with:
           path: skill-validator-dist.tar.gz
           key: ${{ needs.build-validator.outputs.cache-key }}
@@ -890,7 +890,7 @@ jobs:
       - name: Restore cached validator
         if: needs.evaluate.result != 'skipped'
         id: cache-validator
-        uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v4
+        uses: actions/cache/restore@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v4
         with:
           path: skill-validator-dist.tar.gz
           key: ${{ needs.build-validator.outputs.cache-key }}
@@ -1092,7 +1092,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
         with:
           persist-credentials: false
 
@@ -1225,7 +1225,7 @@ jobs:
       cancel-in-progress: false
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
         with:
           persist-credentials: false
 
@@ -1335,7 +1335,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
         with:
           persist-credentials: false
 
@@ -1505,7 +1505,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository (for dashboard UI files)
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
         with:
           persist-credentials: false
 
@@ -1559,7 +1559,7 @@ jobs:
 
       - name: Build AGENTVIZ SPA
         if: steps.check-replay.outputs.skip != 'true'
-        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v4
+        uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v4
         id: agentviz-cache
         with:
           path: /tmp/agentviz-dist
diff --git a/.github/workflows/gh-aw-upgrade.yml b/.github/workflows/gh-aw-upgrade.yml
index 12b9f3b3a..44532e137 100644
--- a/.github/workflows/gh-aw-upgrade.yml
+++ b/.github/workflows/gh-aw-upgrade.yml
@@ -13,7 +13,7 @@ jobs:
   upgrade:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
 
       - name: Install gh-aw CLI
         run: curl -sL https://raw.githubusercontent.com/github/gh-aw/main/install-gh-aw.sh | bash
diff --git a/.github/workflows/markdownlint.yml b/.github/workflows/markdownlint.yml
index aa97b4e5e..cc2d01af3 100644
--- a/.github/workflows/markdownlint.yml
+++ b/.github/workflows/markdownlint.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
         with:
           persist-credentials: false
           fetch-depth: 0
diff --git a/.github/workflows/pr-triage.yml b/.github/workflows/pr-triage.yml
index 80ea0c095..fcf5ecfb7 100644
--- a/.github/workflows/pr-triage.yml
+++ b/.github/workflows/pr-triage.yml
@@ -56,7 +56,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout scripts and CODEOWNERS
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
         with:
           persist-credentials: false
           fetch-depth: 1
diff --git a/.github/workflows/skill-check.yml b/.github/workflows/skill-check.yml
index c44482677..ae4a6b0e3 100644
--- a/.github/workflows/skill-check.yml
+++ b/.github/workflows/skill-check.yml
@@ -15,20 +15,20 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
         with:
           persist-credentials: false
 
       - name: Cache validator archive
         id: cache-validator
-        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v4
+        uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v4
         with:
           path: skill-validator-dist.tar.gz
           key: skill-validator-${{ runner.os }}-${{ hashFiles('eng/skill-validator/src/**', 'eng/skill-validator/Directory.Build.props', 'global.json') }}
 
       - name: Setup .NET SDK
         if: steps.cache-validator.outputs.cache-hit != 'true'
-        uses: actions/setup-dotnet@c2fa09f4bde5ebb9d1777cf28262a3eb3db3ced7 # v5
+        uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5
         with:
           global-json-file: global.json
 
diff --git a/.github/workflows/skill-coverage.yml b/.github/workflows/skill-coverage.yml
index 6c83fa31c..e85f6fd0f 100644
--- a/.github/workflows/skill-coverage.yml
+++ b/.github/workflows/skill-coverage.yml
@@ -112,7 +112,7 @@ jobs:
       # Checkout the default branch for trusted tooling (Measure-SkillCoverage.ps1),
       # then fetch the PR head into a separate worktree so untrusted code is never executed.
       - name: Checkout base branch (trusted tooling)
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/skill-validator.yml b/.github/workflows/skill-validator.yml
index 4a63fb267..77407b2db 100644
--- a/.github/workflows/skill-validator.yml
+++ b/.github/workflows/skill-validator.yml
@@ -26,7 +26,7 @@ jobs:
     outputs:
       has_changes: ${{ steps.check.outputs.has_changes }}
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
         with:
           fetch-depth: 0
 
@@ -73,10 +73,10 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
         with:
           persist-credentials: false
-      - uses: actions/setup-dotnet@c2fa09f4bde5ebb9d1777cf28262a3eb3db3ced7 # v5
+      - uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5
         with:
           global-json-file: global.json
 
@@ -148,7 +148,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
         with:
           persist-credentials: true
 
diff --git a/.github/workflows/vally-evaluation.yml b/.github/workflows/vally-evaluation.yml
index 25ab1e67f..900de80af 100644
--- a/.github/workflows/vally-evaluation.yml
+++ b/.github/workflows/vally-evaluation.yml
@@ -77,7 +77,7 @@ jobs:
 
     steps:
       - name: Checkout skills content
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
         with:
           ref: ${{ inputs.head_sha || '' }}
           persist-credentials: false