diff --git a/.github/workflows/actions.lock b/.github/workflows/actions.lock
new file mode 100644
index 0000000..9a5ace2
--- /dev/null
+++ b/.github/workflows/actions.lock
@@ -0,0 +1,72 @@
+# 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/codeql.yml':
+        - 'actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1'
+        - 'github/codeql-action@b96794f015dfd88f77b49b1c93e0fa7110f94c63'
+    '.github/workflows/main-estate-audit.yml':
+        - 'actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1'
+        - 'hyperpolymath/cicd-suite@5a10b72e574ef63855fafd4568a4c178657f3294'
+    '.github/workflows/pages.yml':
+        - 'actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1'
+        - 'actions/deploy-pages@368f82528645a54fb793d4d04e342629a3f51346'
+        - 'actions/upload-pages-artifact@fc324d3547104276b827a68afc52ff2a11cc49c9'
+    '.github/workflows/proof-corpus.yml':
+        - 'actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1'
+    '.github/workflows/push-email-notify.yml':
+        - 'hyperpolymath/smtp-notify-action@22e7bdb322c430c1d0dac6b3bb307f4bb139d0be'
+    '.github/workflows/rust-ci.yml':
+        - 'actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1'
+dependencies:
+    'actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1':
+        ref: 'v7.0.1'
+        commit: 'sha1-3d3c42e5aac5ba805825da76410c181273ba90b1'
+        owner_id: 44036562
+        repo_id: 197814629
+    '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'
+    'github/codeql-action@b96794f015dfd88f77b49b1c93e0fa7110f94c63':
+        ref: 'v4.38.0'
+        commit: 'sha1-b96794f015dfd88f77b49b1c93e0fa7110f94c63'
+        owner_id: 9919
+        repo_id: 259445878
+    'hyperpolymath/cicd-suite@5a10b72e574ef63855fafd4568a4c178657f3294':
+        ref: 'main'
+        commit: 'sha1-5a10b72e574ef63855fafd4568a4c178657f3294'
+        owner_id: 6759885
+        repo_id: 1326697643
+        uses:
+            - 'hyperpolymath/deed-ecosystem@f9d999b60cb5f383679ea19912bcdc49c944973a'
+            - 'hyperpolymath/k9-ecosystem@2155aa26a21758f2ba119f61bc7e0e1981c106fb'
+    'hyperpolymath/deed-ecosystem@f9d999b60cb5f383679ea19912bcdc49c944973a':
+        ref: 'main'
+        commit: 'sha1-f9d999b60cb5f383679ea19912bcdc49c944973a'
+        owner_id: 6759885
+        repo_id: 1275649586
+    'hyperpolymath/k9-ecosystem@2155aa26a21758f2ba119f61bc7e0e1981c106fb':
+        ref: 'main'
+        commit: 'sha1-2155aa26a21758f2ba119f61bc7e0e1981c106fb'
+        owner_id: 6759885
+        repo_id: 1275650185
+    'hyperpolymath/smtp-notify-action@22e7bdb322c430c1d0dac6b3bb307f4bb139d0be':
+        ref: 'v0.3.0'
+        commit: 'sha1-22e7bdb322c430c1d0dac6b3bb307f4bb139d0be'
+        owner_id: 6759885
+        repo_id: 1352485172
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index a65af84..b3cd52c 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
 
 on:
diff --git a/.github/workflows/governance.yml b/.github/workflows/governance.yml
index 89ee17c..a299ac1 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 cc02c30..2938538 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.
 # Thin wrapper around hyperpolymath/standards hypatia-scan-reusable.yml.
 # See standards#191 for the reusable's purpose and design.
 
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/main-estate-audit.yml b/.github/workflows/main-estate-audit.yml
index 310b13e..4296074 100644
--- a/.github/workflows/main-estate-audit.yml
+++ b/.github/workflows/main-estate-audit.yml
@@ -1,3 +1,5 @@
+# This workflow is managed by gh actions-lock.
+
 name: Central Estate CI/CD Audit
 
 on:
diff --git a/.github/workflows/mirror.yml b/.github/workflows/mirror.yml
index 07f0d6a..709fc91 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 9503727..4cd33cc 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:
diff --git a/.github/workflows/proof-corpus.yml b/.github/workflows/proof-corpus.yml
index e28b75f..ef228c2 100644
--- a/.github/workflows/proof-corpus.yml
+++ b/.github/workflows/proof-corpus.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>
 #
 # proof-corpus.yml — machine-checks the git-reticulator Idris2 proof corpus.
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 53ac973..5a70c61 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 d9d4219..0c1916a 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 0f2cd44..99e419a 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:
diff --git a/.github/workflows/spark-theatre-gate.yml b/.github/workflows/spark-theatre-gate.yml
index f1f9fa7..944b4c6 100644
--- a/.github/workflows/spark-theatre-gate.yml
+++ b/.github/workflows/spark-theatre-gate.yml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# This workflow is managed by gh actions-lock.
 # Estate SPARK Theatre Gate — thin caller of the reusable workflow in
 # hyperpolymath/standards (#135 / #141). Pinned by commit SHA per the
 # estate action-pinning policy. Regenerate the pin only when the reusable