diff --git a/.github/workflows/actions.lock b/.github/workflows/actions.lock
new file mode 100644
index 0000000..3860c87
--- /dev/null
+++ b/.github/workflows/actions.lock
@@ -0,0 +1,76 @@
+# This file is machine-generated by `gh actions-lock`.
+# Do not edit by hand; run `gh actions-lock` to update.
+# Docs: https://gh.io/actions-lockfile
+version: 'v0.0.2'
+workflows:
+    '.github/workflows/agda.yml':
+        - 'actions/cache@v6.1.0'
+        - 'actions/checkout@v7.0.1'
+    '.github/workflows/codeql.yml':
+        - 'actions/checkout@v7.0.1'
+        - 'github/codeql-action@v4.37.3'
+    '.github/workflows/hypatia-scan.yml':
+        - 'actions/checkout@v7.0.1'
+        - 'actions/github-script@v9.0.0'
+        - 'actions/upload-artifact@v7.0.1'
+        - 'erlef/setup-beam@v1.24.1'
+        - 'github/codeql-action@v4.37.3'
+    '.github/workflows/pages.yml':
+        - 'actions/checkout@v7.0.1'
+        - 'actions/deploy-pages@v5.0.0'
+        - 'actions/upload-pages-artifact@v5.0.0'
+    '.github/workflows/push-email-notify.yml':
+        - 'dawidd6/action-send-mail@v3.12.0'
+dependencies:
+    'actions/cache@v6.1.0':
+        ref: 'v6.1.0'
+        commit: 'sha1-55cc8345863c7cc4c66a329aec7e433d2d1c52a9'
+        owner_id: 44036562
+        repo_id: 215566462
+    'actions/checkout@v7.0.1':
+        ref: 'v7.0.1'
+        commit: 'sha1-3d3c42e5aac5ba805825da76410c181273ba90b1'
+        owner_id: 44036562
+        repo_id: 197814629
+    'actions/deploy-pages@v5.0.0':
+        ref: 'v5.0.0'
+        commit: 'sha1-cd2ce8fcbc39b97be8ca5fce6e763baed58fa128'
+        owner_id: 44036562
+        repo_id: 438112499
+    'actions/github-script@v9.0.0':
+        ref: 'v9.0.0'
+        commit: 'sha1-3a2844b7e9c422d3c10d287c895573f7108da1b3'
+        owner_id: 44036562
+        repo_id: 205262760
+    'actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f':
+        ref: 'v7.0.0'
+        commit: 'sha1-bbbca2ddaa5d8feaa63e36b76fdaad77386f024f'
+        owner_id: 44036562
+        repo_id: 192625955
+    'actions/upload-artifact@v7.0.1':
+        ref: 'v7.0.1'
+        commit: 'sha1-043fb46d1a93c77aae656e7c1c64a875d1fc6a0a'
+        owner_id: 44036562
+        repo_id: 192625955
+    'actions/upload-pages-artifact@v5.0.0':
+        ref: 'v5.0.0'
+        commit: 'sha1-fc324d3547104276b827a68afc52ff2a11cc49c9'
+        owner_id: 44036562
+        repo_id: 496012378
+        uses:
+            - 'actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f'
+    'dawidd6/action-send-mail@v3.12.0':
+        ref: 'v3.12.0'
+        commit: 'sha1-2e600f3776677e493bf0da7aaec39a586d19a5ed'
+        owner_id: 9713907
+        repo_id: 222439721
+    'erlef/setup-beam@v1.24.1':
+        ref: 'v1.24.1'
+        commit: 'sha1-54075bcc5e249e4758d363f27d099f55d843f124'
+        owner_id: 47606891
+        repo_id: 331103973
+    'github/codeql-action@v4.37.3':
+        ref: 'v4.37.3'
+        commit: 'sha1-e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81'
+        owner_id: 9919
+        repo_id: 259445878
diff --git a/.github/workflows/agda.yml b/.github/workflows/agda.yml
index 435b18c..3421efd 100644
--- a/.github/workflows/agda.yml
+++ b/.github/workflows/agda.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 # (MPL-2.0 is automatic legal fallback until PMPL is formally recognised)
 
 name: Agda
@@ -33,7 +34,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - name: Checkout
-        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+        uses: actions/checkout@v7.0.1
 
       # Fast static gate (no Agda): enforce the EchoKernel funext-free
       # certificate and that every Echo*.agda is classified in
@@ -119,7 +120,7 @@ jobs:
       # source change or absolute-zero bump; restore-keys give a warm
       # partial cache even when it does.
       - name: Cache Agda interface files
-        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
+        uses: actions/cache@v6.1.0
         with:
           path: |
             ~/agda-stdlib/**/*.agdai
@@ -165,7 +166,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - name: Checkout
-        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+        uses: actions/checkout@v7.0.1
 
       - name: Install Agda
         run: |
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index a1dabab..c8afd4f 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 name: CodeQL Security Analysis
 
 on:
@@ -41,15 +42,15 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+        uses: actions/checkout@v7.0.1
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81 # v3
+        uses: github/codeql-action/init@v4.37.3
         with:
           languages: ${{ matrix.language }}
           build-mode: ${{ matrix.build-mode }}
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81 # v3
+        uses: github/codeql-action/analyze@v4.37.3
         with:
           category: "/language:${{ matrix.language }}"
diff --git a/.github/workflows/governance.yml b/.github/workflows/governance.yml
index 08d42cf..c2675b3 100644
--- a/.github/workflows/governance.yml
+++ b/.github/workflows/governance.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 # governance.yml — single wrapper calling the shared estate governance bundle
 # in hyperpolymath/standards instead of carrying per-repo copies.
 #
diff --git a/.github/workflows/hypatia-scan.yml b/.github/workflows/hypatia-scan.yml
index 5619ff5..b1c02f7 100644
--- a/.github/workflows/hypatia-scan.yml
+++ b/.github/workflows/hypatia-scan.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 # Hypatia Neurosymbolic CI/CD Security Scan
 name: Hypatia Security Scan
 
@@ -49,12 +50,12 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+        uses: actions/checkout@v7.0.1
         with:
           fetch-depth: 0  # Full history for better pattern analysis
 
       - name: Setup Elixir for Hypatia scanner
-        uses: erlef/setup-beam@54075bcc5e249e4758d363f27d099f55d843f124 # v1.18.2
+        uses: erlef/setup-beam@v1.24.1
         with:
           elixir-version: '1.18'
           otp-version: '27'
@@ -108,7 +109,7 @@ jobs:
           echo "- Medium: $MEDIUM" >> $GITHUB_STEP_SUMMARY
 
       - name: Upload findings artifact
-        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
+        uses: actions/upload-artifact@v7.0.1
         with:
           name: hypatia-findings
           path: hypatia-findings.json
@@ -244,7 +245,7 @@ jobs:
           always() &&
           (github.event_name != 'pull_request' ||
            github.event.pull_request.head.repo.fork != true)
-        uses: github/codeql-action/upload-sarif@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81 # v3.28.1
+        uses: github/codeql-action/upload-sarif@v4.37.3
         with:
           sarif_file: hypatia.sarif
           # Distinct category so Hypatia results coexist with CodeQL's
@@ -384,7 +385,7 @@ jobs:
         # the pull-requests: write permission above: a token/API hiccup or
         # a fork PR (read-only token) skips the comment, not the check.
         continue-on-error: true
-        uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v7
+        uses: actions/github-script@v9.0.0
         with:
           script: |
             const fs = require('fs');
diff --git a/.github/workflows/mirror.yml b/.github/workflows/mirror.yml
index 81e9903..548569b 100644
--- a/.github/workflows/mirror.yml
+++ b/.github/workflows/mirror.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 name: Mirror to Git Forges
 
 on:
diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index a1a1aa3..3be681d 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 name: GitHub Pages (Ddraig SSG)
 on:
   push:
@@ -19,9 +20,9 @@ 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
@@ -38,7 +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@fc324d3547104276b827a68afc52ff2a11cc49c9 # v5.0.0
+        uses: actions/upload-pages-artifact@v5.0.0
         with:
           path: '_site'
   deploy:
@@ -51,4 +52,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@cd2ce8fcbc39b97be8ca5fce6e763baed58fa128 # v5.0.0
+        uses: actions/deploy-pages@v5.0.0
diff --git a/.github/workflows/push-email-notify.yml b/.github/workflows/push-email-notify.yml
index 3421edd..b69c87f 100644
--- a/.github/workflows/push-email-notify.yml
+++ b/.github/workflows/push-email-notify.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 # Dormant push-email notification. ARMED by setting the repo variable
 # PUSH_EMAIL_ENABLED=true (the single on/off switch). Addresses are pre-filled;
 # sending needs the org SMTP secrets (SMTP_HOST/PORT/USER/PASS). Inherited by
@@ -15,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Send push notification email
-        uses: dawidd6/action-send-mail@2e600f3776677e493bf0da7aaec39a586d19a5ed # pinned
+        uses: dawidd6/action-send-mail@v3.12.0
         with:
           server_address: ${{ secrets.SMTP_HOST }}
           server_port: ${{ secrets.SMTP_PORT }}
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index f0761d7..1d4afce 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 name: Scorecards supply-chain security
 
 on:
diff --git a/.github/workflows/secret-scanner.yml b/.github/workflows/secret-scanner.yml
index 9ed74ef..60edc15 100644
--- a/.github/workflows/secret-scanner.yml
+++ b/.github/workflows/secret-scanner.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 name: Secret Scanner
 
 on: