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 1f42441..2dee90c 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/cflite_batch.yml b/.github/workflows/cflite_batch.yml
index 95ce394..3f1f9dd 100644
--- a/.github/workflows/cflite_batch.yml
+++ b/.github/workflows/cflite_batch.yml
@@ -6,6 +6,7 @@ on:
   workflow_dispatch:
 
 permissions:
+  actions: read
   contents: read
 
 defaults:
diff --git a/.github/workflows/cflite_pr.yml b/.github/workflows/cflite_pr.yml
index 43a7f8a..d4743fc 100644
--- a/.github/workflows/cflite_pr.yml
+++ b/.github/workflows/cflite_pr.yml
@@ -7,6 +7,7 @@ on:
       - 'wasm/**'
 
 permissions:
+  actions: read
   contents: read
 
 defaults:
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8ef0167..659d80c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,6 +9,7 @@ on:
 
 # Restrict permissions to minimum required (security best practice)
 permissions:
+  actions: read
   contents: read
 
 jobs:
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index c475caf..7282f84 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -18,6 +18,7 @@ concurrency:
   cancel-in-progress: true
 
 permissions:
+  actions: read
   contents: read
 
 jobs:
diff --git a/.github/workflows/dependabot-automerge.yml b/.github/workflows/dependabot-automerge.yml
index 92b5254..df25cd2 100644
--- a/.github/workflows/dependabot-automerge.yml
+++ b/.github/workflows/dependabot-automerge.yml
@@ -41,6 +41,7 @@ on:
     types: [opened, reopened, synchronize]
 
 permissions:
+  actions: read
   contents: write        # needed to enable auto-merge
   pull-requests: write   # needed to approve
   # NB: keep narrow — do NOT add secrets: read or id-token: write here.
diff --git a/.github/workflows/dogfood-gate.yml b/.github/workflows/dogfood-gate.yml
index b0ef40e..4940ed2 100644
--- a/.github/workflows/dogfood-gate.yml
+++ b/.github/workflows/dogfood-gate.yml
@@ -13,6 +13,7 @@ on:
     branches: [main, master]
 
 permissions:
+  actions: read
   contents: read
 
 jobs:
diff --git a/.github/workflows/finishingbot.yml b/.github/workflows/finishingbot.yml
index 2bfc38d..7f090f4 100644
--- a/.github/workflows/finishingbot.yml
+++ b/.github/workflows/finishingbot.yml
@@ -5,6 +5,7 @@
 name: Finishingbot Release Check
 
 permissions:
+  actions: read
   contents: read
 
 on:
diff --git a/.github/workflows/glambot.yml b/.github/workflows/glambot.yml
index 54622fe..33c1b69 100644
--- a/.github/workflows/glambot.yml
+++ b/.github/workflows/glambot.yml
@@ -6,6 +6,7 @@
 name: Glambot Presentation Quality
 
 permissions:
+  actions: read
   contents: read
 
 on:
diff --git a/.github/workflows/governance.yml b/.github/workflows/governance.yml
index 8776de0..aad0d03 100644
--- a/.github/workflows/governance.yml
+++ b/.github/workflows/governance.yml
@@ -9,8 +9,9 @@ on:
   workflow_dispatch:
 
 permissions:
+  actions: read
   contents: read
 
 jobs:
   governance:
-    uses: hyperpolymath/standards/.github/workflows/governance-reusable.yml@81dbf2dd854b1444fd6236fa2352474383b2c2b9
\ No newline at end of file
+    uses: hyperpolymath/standards/.github/workflows/governance-reusable.yml@7fdc2705df74b4e352d2a1cde3e87a5923fdf329
\ No newline at end of file
diff --git a/.github/workflows/hypatia-scan.yml b/.github/workflows/hypatia-scan.yml
index 9dde27a..1f8c940 100644
--- a/.github/workflows/hypatia-scan.yml
+++ b/.github/workflows/hypatia-scan.yml
@@ -11,9 +11,10 @@ on:
   workflow_dispatch:
 
 permissions:
+  actions: read
   contents: read
   security-events: write
 
 jobs:
   scan:
-    uses: hyperpolymath/standards/.github/workflows/hypatia-scan-reusable.yml@81dbf2dd854b1444fd6236fa2352474383b2c2b9
\ No newline at end of file
+    uses: hyperpolymath/standards/.github/workflows/hypatia-scan-reusable.yml@7fdc2705df74b4e352d2a1cde3e87a5923fdf329
\ No newline at end of file
diff --git a/.github/workflows/instant-sync.yml b/.github/workflows/instant-sync.yml
index 00f9d6b..4281b57 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/mirror.yml b/.github/workflows/mirror.yml
index 81e9903..72824fb 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@7fdc2705df74b4e352d2a1cde3e87a5923fdf329
     secrets: inherit
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/rescript-deno-ci.yml b/.github/workflows/rescript-deno-ci.yml
index d3c1850..bd72be6 100644
--- a/.github/workflows/rescript-deno-ci.yml
+++ b/.github/workflows/rescript-deno-ci.yml
@@ -12,6 +12,7 @@ concurrency:
   cancel-in-progress: true
 
 permissions:
+  actions: read
   contents: read
 
 jobs:
diff --git a/.github/workflows/rhodibot.yml b/.github/workflows/rhodibot.yml
index 0fdea64..e10a4d3 100644
--- a/.github/workflows/rhodibot.yml
+++ b/.github/workflows/rhodibot.yml
@@ -5,6 +5,7 @@
 name: Rhodibot RSR Compliance
 
 permissions:
+  actions: read
   contents: read
 
 on:
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index b97e2cb..03413b9 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -9,11 +9,12 @@ on:
   workflow_dispatch:
 
 permissions:
+  actions: read
   contents: read
 
 jobs:
   scorecard:
-    uses: hyperpolymath/standards/.github/workflows/scorecard-reusable.yml@81dbf2dd854b1444fd6236fa2352474383b2c2b9
+    uses: hyperpolymath/standards/.github/workflows/scorecard-reusable.yml@7fdc2705df74b4e352d2a1cde3e87a5923fdf329
     permissions:
       contents: read
       security-events: write
diff --git a/.github/workflows/seambot.yml b/.github/workflows/seambot.yml
index e26b18b..0c09c9c 100644
--- a/.github/workflows/seambot.yml
+++ b/.github/workflows/seambot.yml
@@ -5,6 +5,7 @@
 name: Seambot Integration Health
 
 permissions:
+  actions: read
   contents: read
 
 on:
diff --git a/.github/workflows/secret-scanner.yml b/.github/workflows/secret-scanner.yml
index 5db9390..4be82fb 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:
@@ -20,5 +21,5 @@ jobs:
     # caller must grant at least that or the run startup-fails.
     permissions:
       contents: read
-    uses: hyperpolymath/standards/.github/workflows/secret-scanner-reusable.yml@c65436ee3351cd6b0fa14b142938b195efc77586
+    uses: hyperpolymath/standards/.github/workflows/secret-scanner-reusable.yml@7fdc2705df74b4e352d2a1cde3e87a5923fdf329
     secrets: inherit
diff --git a/.github/workflows/spark-theatre-gate.yml b/.github/workflows/spark-theatre-gate.yml
index a6030a9..6449e46 100644
--- a/.github/workflows/spark-theatre-gate.yml
+++ b/.github/workflows/spark-theatre-gate.yml
@@ -11,11 +11,12 @@ on:
     branches: [main, master]
 
 permissions:
+  actions: read
   contents: read
 
 jobs:
   spark-theatre-gate:
-    uses: hyperpolymath/standards/.github/workflows/spark-theatre-gate.yml@d135b05bfc647d0c0fbfedc7e80f37ea50f49236
+    uses: hyperpolymath/standards/.github/workflows/spark-theatre-gate.yml@7fdc2705df74b4e352d2a1cde3e87a5923fdf329
     with:
       paths: "."
       enforce_zero_contract: false
diff --git a/.github/workflows/workflow-linter.yml b/.github/workflows/workflow-linter.yml
index 3bed9c5..57c5029 100644
--- a/.github/workflows/workflow-linter.yml
+++ b/.github/workflows/workflow-linter.yml
@@ -11,6 +11,7 @@ on:
       - '.github/workflows/**'
 
 permissions: read-all
+  actions: read
 
 jobs:
   lint-workflows:
diff --git a/guix.scm b/guix.scm
deleted file mode 100644
index 57026a0..0000000
--- a/guix.scm
+++ /dev/null
@@ -1,25 +0,0 @@
-;; UbiCity - Guix Package Definition
-;; Run: guix shell -D -f guix.scm
-
-(use-modules (guix packages)
-             (guix gexp)
-             (guix git-download)
-             (guix build-system node)
-             ((guix licenses) #:prefix license:)
-             (gnu packages base))
-
-(define-public ubicity
-  (package
-    (name "UbiCity")
-    (version "0.1.0")
-    (source (local-file "." "UbiCity-checkout"
-                        #:recursive? #t
-                        #:select? (git-predicate ".")))
-    (build-system node-build-system)
-    (synopsis "ReScript application")
-    (description "ReScript application - part of the RSR ecosystem.")
-    (home-page "https://github.com/hyperpolymath/UbiCity")
-    (license license:mpl2.0)))
-
-;; Return package for guix shell
-ubicity