diff --git a/.github/workflows/actions.lock b/.github/workflows/actions.lock
new file mode 100644
index 0000000..015aff6
--- /dev/null
+++ b/.github/workflows/actions.lock
@@ -0,0 +1,137 @@
+# 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/boj-build.yml':
+        - 'actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1'
+    '.github/workflows/cargo-audit.yml':
+        - 'actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1'
+    '.github/workflows/casket-pages.yml':
+        - 'actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9'
+        - 'actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1'
+        - 'actions/configure-pages@45bfe0192ca1faeb007ade9deae92b16b8254a0d'
+        - 'actions/deploy-pages@368f82528645a54fb793d4d04e342629a3f51346'
+        - 'actions/upload-pages-artifact@fc324d3547104276b827a68afc52ff2a11cc49c9'
+        - 'haskell-actions/setup@0f8e8c99d88aeb3fbfd523f1ef2c6f762d10d64d'
+    '.github/workflows/cflite_batch.yml':
+        - 'google/clusterfuzzlite@884713a6c30a92e5e8544c39945cd7cb630abcd1'
+    '.github/workflows/cflite_pr.yml':
+        - 'google/clusterfuzzlite@884713a6c30a92e5e8544c39945cd7cb630abcd1'
+    '.github/workflows/codeql.yml':
+        - 'actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1'
+        - 'github/codeql-action@2892aa5e19bbd11bc0cff5427e3b750a04d9e3c2'
+    '.github/workflows/dependabot-automerge.yml':
+        - 'dependabot/fetch-metadata@25dd0e34f4fe68f24cc83900b1fe3fe149efef98'
+    '.github/workflows/dogfood-gate.yml':
+        - 'actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1'
+        - 'hyperpolymath/deed-ecosystem@aa4b836bd969df2bc58128cb8e3d20bbc88d5e79'
+        - 'hyperpolymath/k9-ecosystem@89f3c2702f4f650a92aa7411502f38da06abd562'
+    '.github/workflows/ghcr-publish.yml':
+        - 'actions/attest-build-provenance@4d101475d8b20a2381f78447822ac1eab6504dd8'
+        - 'actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1'
+    '.github/workflows/instant-sync.yml':
+        - 'peter-evans/repository-dispatch@28959ce8df70de7be546dd1250a005dd32156697'
+    '.github/workflows/push-email-notify.yml':
+        - 'hyperpolymath/smtp-notify-action@22e7bdb322c430c1d0dac6b3bb307f4bb139d0be'
+    '.github/workflows/secret-scanner.yml':
+        - 'actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1'
+        - 'gitleaks/gitleaks-action@e0c47f4f8be36e29cdc102c57e68cb5cbf0e8d1e'
+        - 'trufflesecurity/trufflehog@4dd8831c5f12599465d4d45c3c447b4018a34c85'
+    '.github/workflows/workflow-linter.yml':
+        - 'actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1'
+dependencies:
+    'actions/attest-build-provenance@4d101475d8b20a2381f78447822ac1eab6504dd8':
+        ref: 'v4.2.2'
+        commit: 'sha1-4d101475d8b20a2381f78447822ac1eab6504dd8'
+        owner_id: 44036562
+        repo_id: 760702757
+        uses:
+            - 'actions/attest@508db95dd578ae2727ebd6217d5ba78e4fbda05d'
+    'actions/attest@508db95dd578ae2727ebd6217d5ba78e4fbda05d':
+        ref: 'v4.2.1'
+        commit: 'sha1-508db95dd578ae2727ebd6217d5ba78e4fbda05d'
+        owner_id: 44036562
+        repo_id: 760701061
+    'actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9':
+        ref: 'v6.1.0'
+        commit: 'sha1-55cc8345863c7cc4c66a329aec7e433d2d1c52a9'
+        owner_id: 44036562
+        repo_id: 215566462
+    'actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1':
+        ref: 'v7.0.1'
+        commit: 'sha1-3d3c42e5aac5ba805825da76410c181273ba90b1'
+        owner_id: 44036562
+        repo_id: 197814629
+    'actions/configure-pages@45bfe0192ca1faeb007ade9deae92b16b8254a0d':
+        ref: 'v6.0.0'
+        commit: 'sha1-45bfe0192ca1faeb007ade9deae92b16b8254a0d'
+        owner_id: 44036562
+        repo_id: 513659658
+    'actions/deploy-pages@368f82528645a54fb793d4d04e342629a3f51346':
+        ref: 'v5.0.1'
+        commit: 'sha1-368f82528645a54fb793d4d04e342629a3f51346'
+        owner_id: 44036562
+        repo_id: 438112499
+    'actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f':
+        ref: 'v7.0.0'
+        commit: 'sha1-bbbca2ddaa5d8feaa63e36b76fdaad77386f024f'
+        owner_id: 44036562
+        repo_id: 192625955
+    'actions/upload-pages-artifact@fc324d3547104276b827a68afc52ff2a11cc49c9':
+        ref: 'v5.0.0'
+        commit: 'sha1-fc324d3547104276b827a68afc52ff2a11cc49c9'
+        owner_id: 44036562
+        repo_id: 496012378
+        uses:
+            - 'actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f'
+    'dependabot/fetch-metadata@25dd0e34f4fe68f24cc83900b1fe3fe149efef98':
+        ref: 'v3.1.0'
+        commit: 'sha1-25dd0e34f4fe68f24cc83900b1fe3fe149efef98'
+        owner_id: 27347476
+        repo_id: 371068214
+    'github/codeql-action@2892aa5e19bbd11bc0cff5427e3b750a04d9e3c2':
+        ref: 'v4.38.2'
+        commit: 'sha1-2892aa5e19bbd11bc0cff5427e3b750a04d9e3c2'
+        owner_id: 9919
+        repo_id: 259445878
+    'gitleaks/gitleaks-action@e0c47f4f8be36e29cdc102c57e68cb5cbf0e8d1e':
+        ref: 'v3.0.0'
+        commit: 'sha1-e0c47f4f8be36e29cdc102c57e68cb5cbf0e8d1e'
+        owner_id: 90395851
+        repo_id: 242854909
+    'google/clusterfuzzlite@884713a6c30a92e5e8544c39945cd7cb630abcd1':
+        ref: 'v1'
+        commit: 'sha1-884713a6c30a92e5e8544c39945cd7cb630abcd1'
+        owner_id: 1342004
+        repo_id: 400046858
+    'haskell-actions/setup@0f8e8c99d88aeb3fbfd523f1ef2c6f762d10d64d':
+        ref: 'v2.12.1'
+        commit: 'sha1-0f8e8c99d88aeb3fbfd523f1ef2c6f762d10d64d'
+        owner_id: 75048950
+        repo_id: 623796603
+    'hyperpolymath/deed-ecosystem@aa4b836bd969df2bc58128cb8e3d20bbc88d5e79':
+        ref: 'main'
+        commit: 'sha1-aa4b836bd969df2bc58128cb8e3d20bbc88d5e79'
+        owner_id: 6759885
+        repo_id: 1275649586
+    'hyperpolymath/k9-ecosystem@89f3c2702f4f650a92aa7411502f38da06abd562':
+        ref: 'main'
+        commit: 'sha1-89f3c2702f4f650a92aa7411502f38da06abd562'
+        owner_id: 6759885
+        repo_id: 1275650185
+    'hyperpolymath/smtp-notify-action@22e7bdb322c430c1d0dac6b3bb307f4bb139d0be':
+        ref: 'v0.3.0'
+        commit: 'sha1-22e7bdb322c430c1d0dac6b3bb307f4bb139d0be'
+        owner_id: 6759885
+        repo_id: 1352485172
+    'peter-evans/repository-dispatch@28959ce8df70de7be546dd1250a005dd32156697':
+        ref: 'v4.0.1'
+        commit: 'sha1-28959ce8df70de7be546dd1250a005dd32156697'
+        owner_id: 18365890
+        repo_id: 220359305
+    'trufflesecurity/trufflehog@4dd8831c5f12599465d4d45c3c447b4018a34c85':
+        ref: 'v3.97.9'
+        commit: 'sha1-4dd8831c5f12599465d4d45c3c447b4018a34c85'
+        owner_id: 79229934
+        repo_id: 77726177
diff --git a/.github/workflows/boj-build.yml b/.github/workflows/boj-build.yml
index 6c50439..5621e04 100644
--- a/.github/workflows/boj-build.yml
+++ b/.github/workflows/boj-build.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 name: BoJ Server Build Trigger
 on:
   push:
diff --git a/.github/workflows/cargo-audit.yml b/.github/workflows/cargo-audit.yml
index cdbf289..e63a107 100644
--- a/.github/workflows/cargo-audit.yml
+++ b/.github/workflows/cargo-audit.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 # Prevention workflow - audits Rust dependencies for vulnerabilities
 name: Cargo Audit
 
diff --git a/.github/workflows/casket-pages.yml b/.github/workflows/casket-pages.yml
index 96650f7..684651b 100644
--- a/.github/workflows/casket-pages.yml
+++ b/.github/workflows/casket-pages.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 name: GitHub Pages
 
 on:
diff --git a/.github/workflows/cflite_batch.yml b/.github/workflows/cflite_batch.yml
index 09cd0f0..4053290 100644
--- a/.github/workflows/cflite_batch.yml
+++ b/.github/workflows/cflite_batch.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 name: ClusterFuzzLite batch fuzzing
 on:
   schedule:
diff --git a/.github/workflows/cflite_pr.yml b/.github/workflows/cflite_pr.yml
index 06ade1e..32a1467 100644
--- a/.github/workflows/cflite_pr.yml
+++ b/.github/workflows/cflite_pr.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 name: ClusterFuzzLite PR fuzzing
 on:
   pull_request:
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index c89c8d0..27fb824 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:
diff --git a/.github/workflows/dependabot-automerge.yml b/.github/workflows/dependabot-automerge.yml
index d0a7783..32743ab 100644
--- a/.github/workflows/dependabot-automerge.yml
+++ b/.github/workflows/dependabot-automerge.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 #
 # dependabot-automerge.yml — enable GitHub's native auto-merge on
 # Dependabot pull requests that match a declared severity / ecosystem
diff --git a/.github/workflows/dogfood-gate.yml b/.github/workflows/dogfood-gate.yml
index 3eabe8d..4a380e7 100644
--- a/.github/workflows/dogfood-gate.yml
+++ b/.github/workflows/dogfood-gate.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 # Copyright (c) 2026 Jonathan D.A. Jewell (hyperpolymath) <j.d.a.jewell@open.ac.uk>
 #
 # dogfood-gate.yml — Hyperpolymath Dogfooding Quality Gate
diff --git a/.github/workflows/ghcr-publish.yml b/.github/workflows/ghcr-publish.yml
index 0ce44f9..60dde01 100644
--- a/.github/workflows/ghcr-publish.yml
+++ b/.github/workflows/ghcr-publish.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 name: Publish to GHCR
 
 permissions:
diff --git a/.github/workflows/governance.yml b/.github/workflows/governance.yml
index 80ad396..bf5aae0 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.
 name: Governance
 
 on:
diff --git a/.github/workflows/hypatia-scan.yml b/.github/workflows/hypatia-scan.yml
index f31f35d..db83654 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.
 name: Hypatia Security Scan
 
 on:
diff --git a/.github/workflows/instant-sync.yml b/.github/workflows/instant-sync.yml
index 6eb80e0..db75969 100644
--- a/.github/workflows/instant-sync.yml
+++ b/.github/workflows/instant-sync.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 # Instant Forge Sync - Triggers propagation to all forges on push/release
 name: Instant Sync
 
diff --git a/.github/workflows/label-triage.yml b/.github/workflows/label-triage.yml
index 9886e92..fc79947 100644
--- a/.github/workflows/label-triage.yml
+++ b/.github/workflows/label-triage.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 name: Label Triage
 
 # Classify newly-filed issues against the estate label taxonomy.
diff --git a/.github/workflows/labels.yml b/.github/workflows/labels.yml
index c80b676..af34c6b 100644
--- a/.github/workflows/labels.yml
+++ b/.github/workflows/labels.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 name: Labels
 
 # Applies the canonical estate label set from .github/labels.json.
diff --git a/.github/workflows/mirror.yml b/.github/workflows/mirror.yml
index cde47d6..ca54d84 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/push-email-notify.yml b/.github/workflows/push-email-notify.yml
index 7946625..341ba65 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
diff --git a/.github/workflows/rust-ci.yml b/.github/workflows/rust-ci.yml
index a880b5d..f4234f8 100644
--- a/.github/workflows/rust-ci.yml
+++ b/.github/workflows/rust-ci.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 # Rust CI — thin wrapper calling the shared estate reusable in
 # hyperpolymath/standards. Configure once, propagate everywhere.
 # See: docs/CI-REUSABLE-WORKFLOWS.adoc in standards.
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index 0d547a5..6c99d3f 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: OSSF Scorecard
 
 on:
diff --git a/.github/workflows/workflow-linter.yml b/.github/workflows/workflow-linter.yml
index 5844dfb..916e6b7 100644
--- a/.github/workflows/workflow-linter.yml
+++ b/.github/workflows/workflow-linter.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 # Prevention workflow - validates all workflows have proper security config
 name: Workflow Security Linter