diff --git a/hydra-gates/scripts/lib/test_check_coding_standard_adoption.sh b/hydra-gates/scripts/lib/test_check_coding_standard_adoption.sh
index 31e889f7..7c236bdf 100755
--- a/hydra-gates/scripts/lib/test_check_coding_standard_adoption.sh
+++ b/hydra-gates/scripts/lib/test_check_coding_standard_adoption.sh
@@ -132,7 +132,10 @@ probe() {
     local name="$1" expect="$2"; shift 2
     local d="$WORK/$name"
     rm -rf "$d"; scaffold "$d"
-    ( cd "$d" && eval "$@" )
+    # Every probe below passes its defect as ONE shell string (quoted sed/rm
+    # commands), so the string form is what this has always meant. eval "$@"
+    # only looked array-shaped — SC2294.
+    ( cd "$d" && eval "$*" )
     local o; o="$(run "$d")"
     if printf '%s' "$o" | grep -q "FAIL ${expect}:"; then
         ok "detects ${name} (${expect})"
diff --git a/hydra-gates/scripts/lib/test_gate_license_triangle_scope.sh b/hydra-gates/scripts/lib/test_gate_license_triangle_scope.sh
index 94bd07ba..edbb71c1 100755
--- a/hydra-gates/scripts/lib/test_gate_license_triangle_scope.sh
+++ b/hydra-gates/scripts/lib/test_gate_license_triangle_scope.sh
@@ -97,7 +97,26 @@ _mkrepo() {
         git config user.email "ci@example.invalid"
         git config user.name "gate28 test"
         printf '<?xml version="1.0"?>\n<info><id>fixture</id><version>1.0.0</version></info>\n' > appinfo/info.xml
-        printf '{\n  "name": "conduction/fixture",\n  "license": "EUPL-1.2"\n}\n' > composer.json
+        # gate-65 (coding-standard-adoption) is deliberately NOT diff-scoped:
+        # it judges the repo's standing configuration, so it fires on this
+        # fixture too. Two assertions below require the whole run to end
+        # GREEN, and a fixture that has not adopted the shared standard cannot
+        # produce that — the arm would be measuring gate-65 instead of gate-28.
+        # So the fixture adopts it, mirroring the compliant scaffold in
+        # test_check_coding_standard_adoption.sh.
+        printf '{\n  "name": "conduction/fixture",\n  "license": "EUPL-1.2",\n  "require-dev": {\n    "conduction/coding-standard": "^1.0"\n  },\n  "scripts": {\n    "cs:check": "php-cs-fixer fix --dry-run --diff",\n    "cs:fix": "php-cs-fixer fix"\n  }\n}\n' > composer.json
+        # Quoted heredoc, not printf: the body is PHP and contains `$config`,
+        # which printf-with-single-quotes makes ShellCheck read as a shell
+        # expansion that will not expand (SC2016). <<'PHP' says "verbatim" to
+        # the shell and to the reader at once.
+        cat > .php-cs-fixer.dist.php <<'PHP'
+<?php
+require_once __DIR__ . '/vendor/autoload.php';
+$config = new Conduction\CodingStandard\Config();
+$config->getFinder()->in(__DIR__ . '/lib');
+return $config;
+PHP
+        printf 'root = true\n\n[*]\nindent_style = tab\n' > .editorconfig
         printf 'name: ci\non: push\njobs:\n  a:\n    runs-on: ubuntu-latest\n    steps:\n      - run: echo base\n' > .github/workflows/ci.yml
         if [ "${_withlib}" = "yes" ]; then
             mkdir -p lib
@@ -379,8 +398,14 @@ fi
 #        (composer-audit) applicable, and it fails on a fixture with no vendor
 #        tree — `_FAILED` becomes 1 and the coverage sentence is unreachable
 #        again. The diff must contain the lib PHP file and nothing else.
+#        For the same reason the rewrite below drops ONLY the licence field and
+#        keeps the coding-standard wiring: rewriting composer.json down to a
+#        bare name also un-adopts the shared standard, gate-65 fails, `_FAILED`
+#        is 1 again and the coverage sentence this control reads is never
+#        reached — the control would report the coverage requirement inert when
+#        it is simply never consulted.
 _mkrepo scope-nolicense-fullcov yes
-printf '{\n  "name": "conduction/fixture"\n}\n' > "${_REPO}/composer.json"
+printf '{\n  "name": "conduction/fixture",\n  "require-dev": {\n    "conduction/coding-standard": "^1.0"\n  },\n  "scripts": {\n    "cs:check": "php-cs-fixer fix --dry-run --diff",\n    "cs:fix": "php-cs-fixer fix"\n  }\n}\n' > "${_REPO}/composer.json"
 git -C "${_REPO}" add -A >/dev/null 2>&1
 git -C "${_REPO}" commit -qm "drop the composer license field" >/dev/null 2>&1
 _BASE="$(git -C "${_REPO}" rev-parse HEAD)"
diff --git a/hydra-gates/scripts/test-fixtures/gate-acceptance/COVERED-ELSEWHERE.md b/hydra-gates/scripts/test-fixtures/gate-acceptance/COVERED-ELSEWHERE.md
index eec51705..c0bc3f2e 100644
--- a/hydra-gates/scripts/test-fixtures/gate-acceptance/COVERED-ELSEWHERE.md
+++ b/hydra-gates/scripts/test-fixtures/gate-acceptance/COVERED-ELSEWHERE.md
@@ -32,3 +32,4 @@ identically to `UNCOVERED.md`.
 | gate-32 | semantic-controls | `test_gates_23_33_never_green_over_nothing.sh` | `test-fixtures/gates-23-33/{planted,clean}` |
 | gate-33 | axe-core | `test_gates_23_33_never_green_over_nothing.sh` | `test-fixtures/gates-23-33/{planted,clean}` |
 | gate-61 | listener-work-placement | `test_gate_scope_matrix.sh` | `test-fixtures/scope-matrix/app` — push / full / diff matrix, `.github#347` |
+| gate-65 | coding-standard-adoption | `test_check_coding_standard_adoption.sh` | scaffolded in-suite — 15 planted single-defect probes (one rule each) plus a negative control that fails if a broadened rule starts matching the compliant scaffold, and a wiring assertion that the checker printed its terminal `checked N rule(s)` summary |