diff --git a/.github/workflows/boj-build.yml b/.github/workflows/boj-build.yml
index dba7fc8..786b8fb 100644
--- a/.github/workflows/boj-build.yml
+++ b/.github/workflows/boj-build.yml
@@ -16,4 +16,5 @@ jobs:
           curl -X POST "http://boj-server.local:7700/cartridges/ssg-mcp/invoke"             -H "Content-Type: application/json"             -d "{\"repo\": \"${{ github.repository }}\", \"branch\": \"${{ github.ref_name }}\", \"engine\": \"casket\\"}"}
         continue-on-error: true
 permissions:
+  actions: read
   contents: read
diff --git a/.github/workflows/casket-pages.yml b/.github/workflows/casket-pages.yml
index ad8fd14..b625074 100644
--- a/.github/workflows/casket-pages.yml
+++ b/.github/workflows/casket-pages.yml
@@ -7,6 +7,7 @@ on:
   workflow_dispatch:
 
 permissions:
+  actions: read
   contents: read
   pages: write
   id-token: write
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b0bf679..faaa1ca 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,6 +1,7 @@
 # SPDX-License-Identifier: MPL-2.0
 name: CI
 permissions:
+  actions: read
   contents: read
 
 on:
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 29799e0..0e1b204 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -9,6 +9,7 @@ concurrency:
   cancel-in-progress: true
 
 permissions:
+  actions: read
   contents: read
 # to commit it to your repository.
 #
diff --git a/.github/workflows/governance.yml b/.github/workflows/governance.yml
index 62bbc98..906741d 100644
--- a/.github/workflows/governance.yml
+++ b/.github/workflows/governance.yml
@@ -27,6 +27,7 @@ concurrency:
   cancel-in-progress: true
 
 permissions:
+  actions: read
   contents: read
 
 jobs:
diff --git a/.github/workflows/hypatia-scan.yml b/.github/workflows/hypatia-scan.yml
index dfacf3b..bcea7df 100644
--- a/.github/workflows/hypatia-scan.yml
+++ b/.github/workflows/hypatia-scan.yml
@@ -18,6 +18,7 @@ concurrency:
   cancel-in-progress: true
 
 permissions:
+  actions: read
   contents: read
   # security-events: write serves two purposes (write implies read):
   #   1. read — lets the built-in GITHUB_TOKEN query this repo's own
diff --git a/.github/workflows/instant-sync.yml b/.github/workflows/instant-sync.yml
index 9aeabde..e60afd0 100644
--- a/.github/workflows/instant-sync.yml
+++ b/.github/workflows/instant-sync.yml
@@ -9,6 +9,7 @@ on:
     types: [published]
 
 permissions:
+  actions: read
   contents: read
 
 jobs:
diff --git a/.github/workflows/main-estate-audit.yml b/.github/workflows/main-estate-audit.yml
new file mode 100755
index 0000000..b602e97
--- /dev/null
+++ b/.github/workflows/main-estate-audit.yml
@@ -0,0 +1,91 @@
+name: Central Estate CI/CD Audit
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  estate-audit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      
+      - name: Required Files Gate
+        uses: hyperpolymath/cicd-suite/actions/required-files-check@main
+        
+      - name: Code Hygiene Gate
+        uses: hyperpolymath/cicd-suite/actions/code-hygiene-check@main
+        
+      - name: Manifest Validation Gate
+        uses: hyperpolymath/cicd-suite/actions/manifest-check@main
+        
+      - name: Idris2 ABI Purity Gate
+        uses: hyperpolymath/cicd-suite/actions/idris2-abi-check@main
+        
+      - name: Zig Hexadeca API Gate
+        uses: hyperpolymath/cicd-suite/actions/zig-hexadeca-check@main
+        
+      - name: Contractile Validation Gate
+        uses: hyperpolymath/cicd-suite/actions/contractile-validation-check@main
+        
+      - name: Recipes Set Validation Gate
+        uses: hyperpolymath/cicd-suite/actions/recipes-set-check@main
+        
+      - name: Affirmation Document Gate
+        uses: hyperpolymath/cicd-suite/actions/affirmation-check@main
+        
+      - name: Academic Referencing Gate
+        uses: hyperpolymath/cicd-suite/actions/referencing-check@main
+        
+      - name: Semantic Audit Gate
+        uses: hyperpolymath/cicd-suite/actions/semantic-audit-check@main
+        
+      - name: SPDX License Gate
+        uses: hyperpolymath/cicd-suite/actions/spdx-license-check@main
+        
+      - name: Proof Runner Gate
+        uses: hyperpolymath/cicd-suite/actions/proof-runner-check@main
+        
+      - name: PRAT Testing Gate
+        uses: hyperpolymath/cicd-suite/actions/prat-check@main
+        
+      - name: Panic Attack & Pons Gate
+        uses: hyperpolymath/cicd-suite/actions/custom-tools-check@main
+        
+      - name: WWW & Well-Known Compliance Gate
+        uses: hyperpolymath/cicd-suite/actions/www-compliance-check@main
+        
+      - name: BoJ Cartridge Validation Gate
+        uses: hyperpolymath/cicd-suite/actions/boj-cartridge-check@main
+        
+      - name: Formatting Validation Gate
+        uses: hyperpolymath/cicd-suite/actions/formatting-check@main
+        
+      - name: Accreditations & Badges Gate
+        uses: hyperpolymath/cicd-suite/actions/badges-check@main
+        
+      - name: Metrics Extraction Gate
+        uses: hyperpolymath/cicd-suite/actions/metrics-check@main
+        
+      - name: Linguist & Banned Languages Gate
+        uses: hyperpolymath/cicd-suite/actions/linguist-check@main
+        
+      - name: Test & Benchmarks Dashboard Gate
+        uses: hyperpolymath/cicd-suite/actions/tests-benches-check@main
+        
+      - name: Hosting & Site Status Gate
+        uses: hyperpolymath/cicd-suite/actions/hosting-check@main
+        
+      - name: Git-Sea Analytics Gate
+        uses: hyperpolymath/cicd-suite/actions/gitsea-check@main
+        
+      - name: Trust & Humans Validation Gate
+        uses: hyperpolymath/cicd-suite/actions/trust-humans-check@main
+        
+      - name: Are We UnAPI Gate (Secret Scanning)
+        uses: hyperpolymath/cicd-suite/actions/secrets-check@main
+        
+      - name: Reasonably Good Token Validation Gate
+        uses: hyperpolymath/cicd-suite/actions/vaulted-tokens-check@main
diff --git a/.github/workflows/mirror.yml b/.github/workflows/mirror.yml
index 81e9903..c6d5ebd 100644
--- a/.github/workflows/mirror.yml
+++ b/.github/workflows/mirror.yml
@@ -7,9 +7,10 @@ on:
   workflow_dispatch:
 
 permissions:
+  actions: read
   contents: read
 
 jobs:
   mirror:
-    uses: hyperpolymath/standards/.github/workflows/mirror-reusable.yml@d135b05bfc647d0c0fbfedc7e80f37ea50f49236
+    uses: hyperpolymath/standards/.github/workflows/mirror-reusable.yml@892497fe373744874316710966b81ae6f0ea9e66
     secrets: inherit
diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index c78489a..0273437 100755
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -5,6 +5,7 @@ on:
     branches: [main, master]
   workflow_dispatch:
 permissions:
+  actions: read
   contents: read
   pages: write
   id-token: write
diff --git a/.github/workflows/push-email-notify.yml b/.github/workflows/push-email-notify.yml
index 4b4e754..112afd1 100644
--- a/.github/workflows/push-email-notify.yml
+++ b/.github/workflows/push-email-notify.yml
@@ -7,6 +7,7 @@ name: Push email notification
 on:
   push: {}
 permissions:
+  actions: read
   contents: read
 jobs:
   notify:
diff --git a/.github/workflows/secret-scanner.yml b/.github/workflows/secret-scanner.yml
index b3486fc..4839d60 100644
--- a/.github/workflows/secret-scanner.yml
+++ b/.github/workflows/secret-scanner.yml
@@ -11,6 +11,7 @@ concurrency:
   cancel-in-progress: true
 
 permissions:
+  actions: read
   contents: read
 
 jobs:
diff --git a/guix.scm b/guix.scm
index 9e85d55..c6dd7be 100644
--- a/guix.scm
+++ b/guix.scm
@@ -1,5 +1,5 @@
 ; SPDX-License-Identifier: MPL-2.0
-;; guix.scm — GNU Guix package definition for blocky-writer
+;; guix.scm — GNU Guix package definition for squisher-corpus
 ;; Usage: guix shell -f guix.scm
 
 (use-modules (guix packages)
@@ -7,12 +7,12 @@
              (guix licenses))
 
 (package
-  (name "blocky-writer")
+  (name "squisher-corpus")
   (version "0.1.0")
   (source #f)
   (build-system gnu-build-system)
-  (synopsis "blocky-writer")
-  (description "blocky-writer — part of the hyperpolymath ecosystem.")
-  (home-page "https://github.com/hyperpolymath/blocky-writer")
-  (license ((@@ (guix licenses) license) "MPL-2.0"
+  (synopsis "squisher-corpus")
+  (description "squisher-corpus — part of the hyperpolymath ecosystem.")
+  (home-page "https://github.com/hyperpolymath/squisher-corpus")
+  (license ((@@ (guix licenses) license) "PMPL-1.0-or-later"
              "https://github.com/hyperpolymath/palimpsest-license")))