diff --git a/.github/workflows/actions.lock b/.github/workflows/actions.lock
index fbb3e5b..6081b8f 100644
--- a/.github/workflows/actions.lock
+++ b/.github/workflows/actions.lock
@@ -4,88 +4,73 @@
 version: 'v0.0.2'
 workflows:
     '.github/workflows/boj-build.yml':
-        - 'actions/checkout@v4.1.7'
+        - 'actions/checkout@v7.0.1'
     '.github/workflows/casket-pages.yml':
-        - 'actions/checkout@v4.1.1'
-        - 'actions/configure-pages@v5.0.0'
-        - 'actions/deploy-pages@v4.0.5'
-        - 'actions/upload-pages-artifact@v3.0.1'
+        - 'actions/checkout@v7.0.1'
+        - 'actions/configure-pages@v6.0.0'
+        - 'actions/deploy-pages@v5.0.1'
+        - 'actions/upload-pages-artifact@v5.0.0'
     '.github/workflows/codeql.yml':
-        - 'actions/checkout@v4.1.1'
-        - 'github/codeql-action@v3.37.3'
+        - 'actions/checkout@v7.0.1'
+        - 'github/codeql-action@v4.38.0'
     '.github/workflows/governance.yml': []
     '.github/workflows/hypatia-scan.yml': []
     '.github/workflows/instant-sync.yml':
         - 'peter-evans/repository-dispatch@v4.0.1'
     '.github/workflows/mirror.yml': []
     '.github/workflows/pages.yml':
-        - 'actions/checkout@v4.4.0'
-        - 'actions/deploy-pages@v4.0.5'
-        - 'actions/upload-pages-artifact@v3.0.1'
+        - 'actions/checkout@v7.0.1'
+        - 'actions/deploy-pages@v5.0.1'
+        - 'actions/upload-pages-artifact@v5.0.0'
     '.github/workflows/push-email-notify.yml':
-        - 'hyperpolymath/smtp-notify-action@v0.2.0'
+        - 'hyperpolymath/smtp-notify-action@v0.3.0'
     '.github/workflows/quality-gates.yml':
-        - 'actions/checkout@v4.3.1'
+        - 'actions/checkout@v7.0.1'
         - 'dtolnay/rust-toolchain@v1'
     '.github/workflows/secret-scanner.yml': []
     '.github/workflows/workflow-linter.yml':
-        - 'actions/checkout@v4.1.1'
+        - 'actions/checkout@v7.0.1'
 dependencies:
-    'actions/checkout@v4.1.1':
-        ref: 'v4.1.1'
-        commit: 'sha1-b4ffde65f46336ab88eb53be808477a3936bae11'
+    'actions/checkout@v7.0.1':
+        ref: 'v7.0.1'
+        commit: 'sha1-3d3c42e5aac5ba805825da76410c181273ba90b1'
         owner_id: 44036562
         repo_id: 197814629
-    'actions/checkout@v4.1.7':
-        ref: 'v4.1.7'
-        commit: 'sha1-692973e3d937129bcbf40652eb9f2f61becf3332'
-        owner_id: 44036562
-        repo_id: 197814629
-    'actions/checkout@v4.3.1':
-        ref: 'v4.3.1'
-        commit: 'sha1-34e114876b0b11c390a56381ad16ebd13914f8d5'
-        owner_id: 44036562
-        repo_id: 197814629
-    'actions/checkout@v4.4.0':
-        ref: 'v4.4.0'
-        commit: 'sha1-11d5960a326750d5838078e36cf38b85af677262'
-        owner_id: 44036562
-        repo_id: 197814629
-    'actions/configure-pages@v5.0.0':
-        ref: 'v5.0.0'
-        commit: 'sha1-983d7736d9b0ae728b81ab479565c72886d7745b'
+    'actions/configure-pages@v6.0.0':
+        ref: 'v6.0.0'
+        commit: 'sha1-45bfe0192ca1faeb007ade9deae92b16b8254a0d'
         owner_id: 44036562
         repo_id: 513659658
-    'actions/deploy-pages@v4.0.5':
-        ref: 'v4.0.5'
-        commit: 'sha1-d6db90164ac5ed86f2b6aed7e0febac5b3c0c03e'
+    'actions/deploy-pages@v5.0.1':
+        ref: 'v5.0.1'
+        commit: 'sha1-368f82528645a54fb793d4d04e342629a3f51346'
         owner_id: 44036562
         repo_id: 438112499
-    'actions/upload-artifact@v4':
-        ref: 'v4'
-        commit: 'sha1-ea165f8d65b6e75b540449e92b4886f43607fa02'
+    'actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f':
+        ref: 'v7.0.0'
+        commit: 'sha1-bbbca2ddaa5d8feaa63e36b76fdaad77386f024f'
         owner_id: 44036562
         repo_id: 192625955
-    'actions/upload-pages-artifact@v3.0.1':
-        ref: 'v3.0.1'
-        commit: 'sha1-56afc609e74202658d3ffba0e8f6dda462b719fa'
+    'actions/upload-pages-artifact@v5.0.0':
+        ref: 'v5.0.0'
+        commit: 'sha1-fc324d3547104276b827a68afc52ff2a11cc49c9'
         owner_id: 44036562
         repo_id: 496012378
         uses:
-            - 'actions/upload-artifact@v4'
+            - 'actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f'
     'dtolnay/rust-toolchain@v1':
         ref: 'v1'
-        commit: 'sha1-6c977a6ca4077a0ceb28ffbe03f59d46e9ac8772'
+        commit: 'sha1-02cb101ec7c40f2c49e1d9714d64511d8e1b74de'
         owner_id: 1940490
         repo_id: 260749683
-    'github/codeql-action@v3.37.3':
-        ref: 'v3.37.3'
-        commit: 'sha1-4187e74d05793876e9989daffde9c3e66b4acd07'
+    'github/codeql-action@v4.38.0':
+        ref: 'v4.38.0'
+        commit: 'sha1-b96794f015dfd88f77b49b1c93e0fa7110f94c63'
         owner_id: 9919
         repo_id: 259445878
-    'hyperpolymath/smtp-notify-action@v0.2.0':
-        ref: 'v0.2.0'
-        commit: 'sha1-ede1191ef6ff3ac02c4f4d9efdf837ee517e11d7'
+    'hyperpolymath/smtp-notify-action@v0.3.0':
+        ref: 'v0.3.0'
+        commit: 'sha1-22e7bdb322c430c1d0dac6b3bb307f4bb139d0be'
         owner_id: 6759885
         repo_id: 1352485172
     'peter-evans/repository-dispatch@v4.0.1':
diff --git a/.github/workflows/boj-build.yml b/.github/workflows/boj-build.yml
index aa2e1d0..47ae046 100644
--- a/.github/workflows/boj-build.yml
+++ b/.github/workflows/boj-build.yml
@@ -1,3 +1,4 @@
+# This workflow is managed by gh actions-lock.
 # SPDX-License-Identifier: MPL-2.0
 name: BoJ Server Build Trigger
 on:
@@ -10,7 +11,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Checkout
-        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+        uses: actions/checkout@v7.0.1
       - name: Trigger BoJ Server (Casket/ssg-mcp)
         run: |
           # Send a secure trigger to boj-server to build this repository
diff --git a/.github/workflows/casket-pages.yml b/.github/workflows/casket-pages.yml
index bfb6ac3..583c1f8 100644
--- a/.github/workflows/casket-pages.yml
+++ b/.github/workflows/casket-pages.yml
@@ -1,3 +1,4 @@
+# This workflow is managed by gh actions-lock.
 # SPDX-License-Identifier: MPL-2.0
 #
 # Deploys the prebuilt static site committed under site/ — CI deliberately
@@ -28,13 +29,13 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Checkout
-        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+        uses: actions/checkout@v7.0.1
       - name: Setup Pages
-        uses: actions/configure-pages@45bfe0192ca1faeb007ade9deae92b16b8254a0d  # v6.0.0
+        uses: actions/configure-pages@v6.0.0
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@fc324d3547104276b827a68afc52ff2a11cc49c9  # v5.0.0
+        uses: actions/upload-pages-artifact@v5.0.0
         with:
           path: 'site'
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@368f82528645a54fb793d4d04e342629a3f51346  # v5.0.1
+        uses: actions/deploy-pages@v5.0.1
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index df8a5ff..4c54d14 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -1,3 +1,4 @@
+# This workflow is managed by gh actions-lock.
 # SPDX-License-Identifier: MPL-2.0
 name: CodeQL
 
@@ -30,16 +31,16 @@ jobs:
             build-mode: none
     steps:
       - name: Checkout repository
-        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+        uses: actions/checkout@v7.0.1
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@b96794f015dfd88f77b49b1c93e0fa7110f94c63  # v4.38.0
+        uses: github/codeql-action/init@v4.38.0
         with:
           languages: ${{ matrix.language }}
           build-mode: ${{ matrix.build-mode }}
 
       - name: Autobuild
-        uses: github/codeql-action/autobuild@b96794f015dfd88f77b49b1c93e0fa7110f94c63  # v4.38.0
+        uses: github/codeql-action/autobuild@v4.38.0
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@b96794f015dfd88f77b49b1c93e0fa7110f94c63  # v4.38.0
+        uses: github/codeql-action/analyze@v4.38.0
diff --git a/.github/workflows/governance.yml b/.github/workflows/governance.yml
index 931cef9..82c3a76 100644
--- a/.github/workflows/governance.yml
+++ b/.github/workflows/governance.yml
@@ -1,3 +1,4 @@
+# This workflow is managed by gh actions-lock.
 # SPDX-License-Identifier: MPL-2.0
 name: Governance
 
diff --git a/.github/workflows/hypatia-scan.yml b/.github/workflows/hypatia-scan.yml
index 3c08e0a..7af51a9 100644
--- a/.github/workflows/hypatia-scan.yml
+++ b/.github/workflows/hypatia-scan.yml
@@ -1,3 +1,4 @@
+# This workflow is managed by gh actions-lock.
 # SPDX-License-Identifier: MPL-2.0
 name: Hypatia Security Scan
 
diff --git a/.github/workflows/instant-sync.yml b/.github/workflows/instant-sync.yml
index 75ff2a3..8e6971a 100644
--- a/.github/workflows/instant-sync.yml
+++ b/.github/workflows/instant-sync.yml
@@ -1,3 +1,4 @@
+# This workflow is managed by gh actions-lock.
 # SPDX-License-Identifier: MPL-2.0
 # Instant Forge Sync - Triggers propagation to all forges on push/release
 name: Instant Sync
@@ -18,7 +19,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Trigger Propagation
-        uses: peter-evans/repository-dispatch@28959ce8df70de7be546dd1250a005dd32156697  # v4.0.1
+        uses: peter-evans/repository-dispatch@v4.0.1
         with:
           token: ${{ secrets.FARM_DISPATCH_TOKEN }}
           repository: hyperpolymath/.git-private-farm
diff --git a/.github/workflows/label-triage.yml b/.github/workflows/label-triage.yml
index 9886e92..814a192 100644
--- a/.github/workflows/label-triage.yml
+++ b/.github/workflows/label-triage.yml
@@ -1,3 +1,4 @@
+# This workflow is managed by gh actions-lock.
 # SPDX-License-Identifier: MPL-2.0
 name: Label Triage
 
diff --git a/.github/workflows/labels.yml b/.github/workflows/labels.yml
index c80b676..83ab941 100644
--- a/.github/workflows/labels.yml
+++ b/.github/workflows/labels.yml
@@ -1,3 +1,4 @@
+# This workflow is managed by gh actions-lock.
 # SPDX-License-Identifier: MPL-2.0
 name: Labels
 
diff --git a/.github/workflows/mirror.yml b/.github/workflows/mirror.yml
index bcbe82a..9570b4a 100644
--- a/.github/workflows/mirror.yml
+++ b/.github/workflows/mirror.yml
@@ -1,3 +1,4 @@
+# This workflow is managed by gh actions-lock.
 # SPDX-License-Identifier: MPL-2.0
 name: Mirror to Git Forges
 on:
diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index a881d1e..71d0e28 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -1,3 +1,4 @@
+# This workflow is managed by gh actions-lock.
 # SPDX-License-Identifier: MPL-2.0
 name: GitHub Pages (Ddraig SSG)
 on:
@@ -20,9 +21,9 @@ jobs:
       image: ghcr.io/stefan-hoeck/idris2-pack@sha256:f0758996a931fb35d9ecb1de273c4d59dabe2a09b433afc7e357f65a08b7e1ff
     steps:
       - name: Checkout Site
-        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+        uses: actions/checkout@v7.0.1
       - name: Checkout Ddraig SSG
-        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+        uses: actions/checkout@v7.0.1
         with:
           repository: hyperpolymath/ddraig-ssg
           path: .ddraig-ssg
@@ -39,7 +40,7 @@ jobs:
           fi
           ./.ddraig-ssg/build/exec/ddraig build src _site https://hyperpolymath.github.io/${GITHUB_REPOSITORY#*/}
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@fc324d3547104276b827a68afc52ff2a11cc49c9  # v5.0.0
+        uses: actions/upload-pages-artifact@v5.0.0
         with:
           path: '_site'
   deploy:
@@ -52,4 +53,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@368f82528645a54fb793d4d04e342629a3f51346  # v5.0.1
+        uses: actions/deploy-pages@v5.0.1
diff --git a/.github/workflows/push-email-notify.yml b/.github/workflows/push-email-notify.yml
index 521f1e5..8a96bf9 100644
--- a/.github/workflows/push-email-notify.yml
+++ b/.github/workflows/push-email-notify.yml
@@ -1,3 +1,4 @@
+# This workflow is managed by gh actions-lock.
 # SPDX-License-Identifier: MPL-2.0
 # This workflow is managed by gh actions-lock.
 # Dormant push-email notification. ARMED by setting the repo variable
@@ -40,7 +41,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Send push notification email
-        uses: hyperpolymath/smtp-notify-action@22e7bdb322c430c1d0dac6b3bb307f4bb139d0be  # NOSONAR — pin authority is actions.lock (sha1-ede1191ef6ff3ac02c4f4d9efdf837ee517e11d7)
+        uses: hyperpolymath/smtp-notify-action@v0.3.0
         with:
           server_address: ${{ secrets.SMTP_HOST }}
           server_port: ${{ secrets.SMTP_PORT }}
diff --git a/.github/workflows/quality-gates.yml b/.github/workflows/quality-gates.yml
index dce9de7..fe449eb 100644
--- a/.github/workflows/quality-gates.yml
+++ b/.github/workflows/quality-gates.yml
@@ -1,3 +1,4 @@
+# This workflow is managed by gh actions-lock.
 # SPDX-License-Identifier: MPL-2.0
 name: Quality Gates
 permissions:
@@ -14,7 +15,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Checkout
-        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+        uses: actions/checkout@v7.0.1
       - name: Install system dependencies
         run: |
           sudo apt-get update
@@ -28,13 +29,13 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Checkout
-        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+        uses: actions/checkout@v7.0.1
       - name: Install Rust toolchain
         # v1 tag, not a SHA: dtolnay force-moves toolchain branches, so no
         # symbolic ref contains the old pin and lockfile generation refuses it.
         # The actions.lock records the resolved SHA; the toolchain must be an
         # explicit input because the ref no longer selects it.
-        uses: dtolnay/rust-toolchain@02cb101ec7c40f2c49e1d9714d64511d8e1b74de  # v1
+        uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: v1
         with:
diff --git a/.github/workflows/secret-scanner.yml b/.github/workflows/secret-scanner.yml
index 3b6e339..8e4582a 100644
--- a/.github/workflows/secret-scanner.yml
+++ b/.github/workflows/secret-scanner.yml
@@ -1,3 +1,4 @@
+# This workflow is managed by gh actions-lock.
 # SPDX-License-Identifier: MPL-2.0
 name: Secret Scanner
 on:
diff --git a/.github/workflows/workflow-linter.yml b/.github/workflows/workflow-linter.yml
index 0ba8bd8..41cb7bd 100644
--- a/.github/workflows/workflow-linter.yml
+++ b/.github/workflows/workflow-linter.yml
@@ -1,3 +1,4 @@
+# This workflow is managed by gh actions-lock.
 # SPDX-License-Identifier: MPL-2.0
 # Prevention workflow - validates all workflows have proper security config
 name: Workflow Security Linter
@@ -14,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+      - uses: actions/checkout@v7.0.1
       - name: Check SPDX headers
         run: |
           errors=0