diff --git a/.github/workflows/boj-build.yml b/.github/workflows/boj-build.yml
index e56ba74..9cc17b8 100644
--- a/.github/workflows/boj-build.yml
+++ b/.github/workflows/boj-build.yml
@@ -20,7 +20,7 @@ jobs:
     if: ${{ vars.BOJ_SERVER_URL != '' || secrets.BOJ_SERVER_URL != '' }}
     steps:
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Trigger BoJ Server (Casket/ssg-mcp)
         env:
           BOJ_URL: ${{ secrets.BOJ_SERVER_URL || vars.BOJ_SERVER_URL }}
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index f6e4036..8462a8a 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -31,13 +31,13 @@ jobs:
             build-mode: none
     steps:
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@0d579ffd059c29b07949a3cce3983f0780820c98 # v3
+        uses: github/codeql-action/init@f205ea1c3313d32999d8d6a48b4f6530d4437b38 # v3
         with:
           languages: ${{ matrix.language }}
           build-mode: ${{ matrix.build-mode }}
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@0d579ffd059c29b07949a3cce3983f0780820c98 # v3
+        uses: github/codeql-action/analyze@f205ea1c3313d32999d8d6a48b4f6530d4437b38 # v3
         with:
           category: "/language:${{ matrix.language }}"
diff --git a/.github/workflows/dependabot-automerge.yml b/.github/workflows/dependabot-automerge.yml
index e520ce0..96baf45 100644
--- a/.github/workflows/dependabot-automerge.yml
+++ b/.github/workflows/dependabot-automerge.yml
@@ -52,7 +52,7 @@ jobs:
     steps:
       - name: Fetch Dependabot metadata
         id: meta
-        uses: dependabot/fetch-metadata@dbb049abf0d677abbd7f7eee0375145b417fdd34 # v2.2.0
+        uses: dependabot/fetch-metadata@25dd0e34f4fe68f24cc83900b1fe3fe149efef98 # v3.1.0
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
       # --- Policy gate -------------------------------------------------------
diff --git a/.github/workflows/dogfood-gate.yml b/.github/workflows/dogfood-gate.yml
index 0deb44e..ff5941c 100644
--- a/.github/workflows/dogfood-gate.yml
+++ b/.github/workflows/dogfood-gate.yml
@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
 
       - name: Check for A2ML files
         id: detect
@@ -68,7 +68,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
 
       - name: Check for K9 files
         id: detect
@@ -114,7 +114,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
 
       - name: Scan for invisible characters
         id: lint
@@ -179,7 +179,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
 
       - name: Check for Groove manifest
         id: groove
@@ -238,7 +238,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
 
       - name: Check and validate eclexiaiser manifest
         id: eclex
@@ -304,7 +304,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
 
       - name: Generate dogfooding scorecard
         run: |
diff --git a/.github/workflows/estate-rules.yml b/.github/workflows/estate-rules.yml
index d334ae3..ffd9134 100644
--- a/.github/workflows/estate-rules.yml
+++ b/.github/workflows/estate-rules.yml
@@ -23,7 +23,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Root shape allowlist
         run: bash scripts/check-root-shape.sh .
       - name: AsciiDoc by default (no .md under docs/)
diff --git a/.github/workflows/guix-nix-policy.yml b/.github/workflows/guix-nix-policy.yml
index 9542e68..11d7363 100644
--- a/.github/workflows/guix-nix-policy.yml
+++ b/.github/workflows/guix-nix-policy.yml
@@ -21,7 +21,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Enforce Guix primary / Nix fallback
         run: |
           # Check for package manager files
diff --git a/.github/workflows/openssf-compliance.yml b/.github/workflows/openssf-compliance.yml
index c9794be..ec1aa1a 100644
--- a/.github/workflows/openssf-compliance.yml
+++ b/.github/workflows/openssf-compliance.yml
@@ -18,7 +18,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
         with:
           persist-credentials: false
       - name: Check SECURITY.md exists and has substance
diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
old mode 100755
new mode 100644
index 0273437..31f3ddc
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -20,9 +20,9 @@ jobs:
       image: ghcr.io/stefan-hoeck/idris2-pack@sha256:f0758996a931fb35d9ecb1de273c4d59dabe2a09b433afc7e357f65a08b7e1ff
     steps:
       - name: Checkout Site
-        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Checkout Ddraig SSG
-        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           repository: hyperpolymath/ddraig-ssg
           path: .ddraig-ssg
@@ -39,7 +39,7 @@ jobs:
           fi
           ./.ddraig-ssg/build/exec/ddraig build src _site https://hyperpolymath.github.io/${GITHUB_REPOSITORY#*/}
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@56afc609e74202658d3ffba0e8f6dda462b719fa # v3
+        uses: actions/upload-pages-artifact@fc324d3547104276b827a68afc52ff2a11cc49c9 # v5.0.0
         with:
           path: '_site'
   deploy:
@@ -52,4 +52,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@d6db90164ac5ed86f2b6aed7e0febac5b3c0c03e # v4
+        uses: actions/deploy-pages@cd2ce8fcbc39b97be8ca5fce6e763baed58fa128 # v5.0.0
diff --git a/.github/workflows/push-email-notify.yml b/.github/workflows/push-email-notify.yml
index 112afd1..f0e4545 100644
--- a/.github/workflows/push-email-notify.yml
+++ b/.github/workflows/push-email-notify.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Send push notification email
-        uses: dawidd6/action-send-mail@6e502825a508b867ab2954ad6343b68787624c01 # pinned
+        uses: dawidd6/action-send-mail@2e600f3776677e493bf0da7aaec39a586d19a5ed # pinned
         with:
           server_address: ${{ secrets.SMTP_HOST }}
           server_port: ${{ secrets.SMTP_PORT }}
diff --git a/.github/workflows/quality.yml b/.github/workflows/quality.yml
index 955eae2..a8a9675 100644
--- a/.github/workflows/quality.yml
+++ b/.github/workflows/quality.yml
@@ -22,12 +22,12 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Check file permissions
         run: |
           find . -type f -perm /111 -name "*.sh" | head -10 || true
       - name: Check for secrets
-        uses: trufflesecurity/trufflehog@6c05c4a00b91aa542267d8e32a8254774799d68d # v3.93.3
+        uses: trufflesecurity/trufflehog@6f3c981e7b77f235fd2702dd74af25fc4b72bf11 # v3.93.3
         with:
           path: ./
           base: ${{ github.event.pull_request.base.sha || github.event.before }}
@@ -41,7 +41,7 @@ jobs:
         run: |
           find . -type f -size +1M -not -path "./.git/*" | head -10 || echo "No large files"
       - name: EditorConfig check
-        uses: editorconfig-checker/action-editorconfig-checker@4b6cd6190d435e7e084fb35e36a096e98506f7b9 # v2.1.0
+        uses: editorconfig-checker/action-editorconfig-checker@840e866d93b8e032123c23bac69dece044d4d84c # v2.2.0
         continue-on-error: true
   docs:
     runs-on: ubuntu-latest
@@ -49,7 +49,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Check documentation
         run: |
           MISSING=""
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e675c5d..b5b9720 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -20,7 +20,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Detect project type and build
         id: build
         run: |
@@ -81,7 +81,7 @@ jobs:
       changelog: ${{ steps.cliff.outputs.content }}
       version: ${{ steps.version.outputs.version }}
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           fetch-depth: 0
       - name: Extract version from tag
@@ -106,7 +106,7 @@ jobs:
         run: |
           git cliff --output CHANGELOG.md
       - name: Upload updated CHANGELOG.md
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: changelog
           path: CHANGELOG.md
@@ -119,14 +119,14 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       # TODO: Download build artifacts if uploading to the release
       # - uses: actions/download-artifact@v4
       #   with:
       #     name: release-artifacts
       #     path: artifacts/
       - name: Create GitHub Release
-        uses: softprops/action-gh-release@a06a81a03ee405af7f2048a818ed3f03bbf83c7b # v2
+        uses: softprops/action-gh-release@3d0d9888cb7fd7b750713d6e236d1fcb99157228 # v2
         with:
           body: ${{ needs.changelog.outputs.changelog }}
           draft: false
diff --git a/.github/workflows/rhodibot.yml b/.github/workflows/rhodibot.yml
index 15b299e..05e63a5 100644
--- a/.github/workflows/rhodibot.yml
+++ b/.github/workflows/rhodibot.yml
@@ -28,7 +28,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Checkout
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
         with:
           fetch-depth: 1
       - name: Rhodibot — Scan and Fix
diff --git a/.github/workflows/runtime-policy.yml b/.github/workflows/runtime-policy.yml
index a376c70..8727561 100644
--- a/.github/workflows/runtime-policy.yml
+++ b/.github/workflows/runtime-policy.yml
@@ -36,7 +36,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Report runtime tier and reject mixed toolchains
         run: |
diff --git a/.github/workflows/security-policy.yml b/.github/workflows/security-policy.yml
index d6e4a1d..57ffa67 100644
--- a/.github/workflows/security-policy.yml
+++ b/.github/workflows/security-policy.yml
@@ -21,7 +21,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Security checks
         run: |
           FAILED=false
diff --git a/.github/workflows/static-analysis-gate.yml b/.github/workflows/static-analysis-gate.yml
index 766d714..9d18436 100644
--- a/.github/workflows/static-analysis-gate.yml
+++ b/.github/workflows/static-analysis-gate.yml
@@ -20,7 +20,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           fetch-depth: 0
       - name: Install panic-attack (if available)
@@ -97,7 +97,7 @@ jobs:
           echo "" >> "$GITHUB_STEP_SUMMARY"
           echo "Skipped: panic-attack not available in this environment." >> "$GITHUB_STEP_SUMMARY"
       - name: Upload panic-attack findings
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: panic-attack-findings
           path: panic-attack-findings.json
@@ -116,13 +116,13 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           fetch-depth: 0
       - name: Setup Elixir for Hypatia scanner
         id: beam
         continue-on-error: true
-        uses: erlef/setup-beam@e6d7c94229049569db56a7ad5a540c051a010af9 # v1.18.2
+        uses: erlef/setup-beam@54075bcc5e249e4758d363f27d099f55d843f124 # v1.18.2
         with:
           elixir-version: '1.19.4'
           otp-version: '28.3'
@@ -201,7 +201,7 @@ jobs:
           echo "" >> "$GITHUB_STEP_SUMMARY"
           echo "Skipped: Hypatia scanner not available in this environment." >> "$GITHUB_STEP_SUMMARY"
       - name: Upload hypatia findings
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: hypatia-findings
           path: hypatia-findings.json
@@ -220,7 +220,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           fetch-depth: 0
       - name: Install panic-attack (if available)
@@ -282,7 +282,7 @@ jobs:
           echo "" >> "$GITHUB_STEP_SUMMARY"
           echo "Skipped: panic-attack not available in this environment." >> "$GITHUB_STEP_SUMMARY"
       - name: Upload bridge report
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: bridge-report
           path: bridge-report.json
@@ -304,17 +304,17 @@ jobs:
     if: always()
     steps:
       - name: Download panic-attack findings
-        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v4
         with:
           name: panic-attack-findings
           path: findings/
       - name: Download hypatia findings
-        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v4
         with:
           name: hypatia-findings
           path: findings/
       - name: Download bridge report
-        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v4
         with:
           name: bridge-report
           path: findings/
@@ -374,7 +374,7 @@ jobs:
           echo "medium=$MEDIUM"     >> "$GITHUB_OUTPUT"
           echo "low=$LOW"           >> "$GITHUB_OUTPUT"
       - name: Upload unified findings (fleet scanner picks these up)
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: unified-findings
           path: findings/unified-findings.json
diff --git a/.github/workflows/wellknown-enforcement.yml b/.github/workflows/wellknown-enforcement.yml
index f9988c1..49fa4dc 100644
--- a/.github/workflows/wellknown-enforcement.yml
+++ b/.github/workflows/wellknown-enforcement.yml
@@ -23,7 +23,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: RFC 9116 security.txt validation
         run: |
           SECTXT=""
diff --git a/.github/workflows/workflow-linter.yml b/.github/workflows/workflow-linter.yml
index 641decc..58d6918 100644
--- a/.github/workflows/workflow-linter.yml
+++ b/.github/workflows/workflow-linter.yml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Check SPDX Headers
         run: |
@@ -75,7 +75,7 @@ jobs:
             echo "$unpinned"
             echo ""
             echo "Replace version tags with SHA pins, e.g.:"
-            echo "  uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.1"
+            echo "  uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v6.0.1"
             exit 1
           fi
           echo "All actions are SHA-pinned"