diff --git a/.github/workflows/boj-build.yml b/.github/workflows/boj-build.yml
index 6c15cdb..550717b 100644
--- a/.github/workflows/boj-build.yml
+++ b/.github/workflows/boj-build.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # 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 fc4f248..a9ef4f5 100644
--- a/.github/workflows/casket-pages.yml
+++ b/.github/workflows/casket-pages.yml
@@ -20,10 +20,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
 
       - name: Checkout casket-ssg
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
         with:
           repository: hyperpolymath/casket-ssg
           path: .casket-ssg
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index bcc0526..2c23bc9 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -35,15 +35,15 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@99df26d4f13ea111d4ec1a7dddef6063f76b97e9 # v3
+        uses: github/codeql-action/init@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81 # v3
         with:
           languages: ${{ matrix.language }}
           build-mode: ${{ matrix.build-mode }}
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@99df26d4f13ea111d4ec1a7dddef6063f76b97e9 # v3
+        uses: github/codeql-action/analyze@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81 # v3
         with:
           category: "/language:${{ matrix.language }}"
diff --git a/.github/workflows/dogfood-gate.yml b/.github/workflows/dogfood-gate.yml
index a9c9760..8d71e45 100644
--- a/.github/workflows/dogfood-gate.yml
+++ b/.github/workflows/dogfood-gate.yml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Check for A2ML files
         id: detect
@@ -38,7 +38,7 @@ jobs:
 
       - name: Validate A2ML manifests
         if: steps.detect.outputs.count > 0
-        uses: hyperpolymath/a2ml-validate-action@55e8c28bab4e7f2399fdbd57a6da1051369f3847 # main
+        uses: hyperpolymath/a2ml-validate-action@0f8081cdfa293663ec6b204274b4272da302e564 # main
         with:
           path: '.'
           strict: 'false'
@@ -69,7 +69,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Check for K9 files
         id: detect
@@ -86,7 +86,7 @@ jobs:
 
       - name: Validate K9 contracts
         if: steps.detect.outputs.k9_count > 0
-        uses: hyperpolymath/k9-validate-action@7c3c0e9fa5165626e74ecce78109b3295b798b92 # main
+        uses: hyperpolymath/k9-validate-action@b4b4bd64851e55e003fc756ca706c19f3442e999 # main
         with:
           path: '.'
           strict: 'false'
@@ -118,7 +118,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Scan for invisible characters
         id: lint
@@ -182,7 +182,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Check for Groove manifest
         id: groove
@@ -242,7 +242,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Generate dogfooding scorecard
         run: |
diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
old mode 100755
new mode 100644
index c78489a..a1a1aa3
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -19,9 +19,9 @@ 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
@@ -38,7 +38,7 @@ 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:
@@ -51,4 +51,4 @@ 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/php-lint.yml b/.github/workflows/php-lint.yml
index 9c7d1df..cbafcac 100644
--- a/.github/workflows/php-lint.yml
+++ b/.github/workflows/php-lint.yml
@@ -41,7 +41,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Setup PHP
         uses: shivammathur/setup-php@f3e473d116dcccaddc5834248c87452386958240 # v2.37.2
@@ -67,7 +67,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Setup PHP
         uses: shivammathur/setup-php@f3e473d116dcccaddc5834248c87452386958240 # v2.37.2
@@ -91,7 +91,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Setup PHP
         uses: shivammathur/setup-php@f3e473d116dcccaddc5834248c87452386958240 # v2.37.2
@@ -117,7 +117,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Check SPDX headers
         run: |
@@ -144,7 +144,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Check strict_types
         run: |
@@ -171,7 +171,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Check dangerous functions
         run: |
@@ -280,7 +280,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Setup PHP
         uses: shivammathur/setup-php@f3e473d116dcccaddc5834248c87452386958240 # v2.37.2
@@ -307,7 +307,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Setup PHP
         uses: shivammathur/setup-php@f3e473d116dcccaddc5834248c87452386958240 # v2.37.2
@@ -363,7 +363,7 @@ jobs:
         php: ['8.1', '8.2', '8.3', '8.4']
     steps:
       - name: Checkout
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Setup PHP ${{ matrix.php }}
         uses: shivammathur/setup-php@f3e473d116dcccaddc5834248c87452386958240 # v2.37.2
diff --git a/.github/workflows/php-security.yml b/.github/workflows/php-security.yml
index 31dad02..aa0ff42 100644
--- a/.github/workflows/php-security.yml
+++ b/.github/workflows/php-security.yml
@@ -21,7 +21,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: PHP Security Scan
         run: |
           # Check for dangerous functions
diff --git a/.github/workflows/push-email-notify.yml b/.github/workflows/push-email-notify.yml
index 0816771..2a95f5d 100644
--- a/.github/workflows/push-email-notify.yml
+++ b/.github/workflows/push-email-notify.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Send push notification email
-        uses: dawidd6/action-send-mail@c50dc4cc848ade21f848990889906d804fae78c5 # pinned
+        uses: dawidd6/action-send-mail@12335b969ae3fb71bee5f2c6b829744261aec34c # pinned
         with:
           server_address: ${{ secrets.SMTP_HOST }}
           server_port: ${{ secrets.SMTP_PORT }}
diff --git a/.github/workflows/workflow-linter.yml b/.github/workflows/workflow-linter.yml
index 636a055..5844dfb 100644
--- a/.github/workflows/workflow-linter.yml
+++ b/.github/workflows/workflow-linter.yml
@@ -16,7 +16,7 @@ jobs:
   lint-workflows:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
 
       - name: Check SPDX headers
         run: |