Merge branch 'main' into dependabot/github_actions/actions/github-script-9.0.0

Author: nanasess

.github/dependabot.yml

@@ -8,6 +8,11 @@ updates:
     commit-message:
       prefix: "deps"
       include: "scope"
+    ignore:
+      # PHP 8.1 サポート維持のため phpunit はメジャー更新しない
+      # (phpunit 11=PHP8.2, 12=8.3, 13=8.4 を要求するため)
+      - dependency-name: "phpunit/phpunit"
+        update-types: ["version-update:semver-major"]
 
   - package-ecosystem: "github-actions"
     directory: "/"

.github/workflows/claude-code-review.yml

@@ -12,6 +12,12 @@ on:
 
 jobs:
   claude-review:
+    # Skip on Dependabot PRs: such PRs may modify this workflow file (e.g. bumping
+    # the actions/checkout SHA), which makes claude-code-action's OIDC token exchange
+    # fail with "Workflow validation failed" because the workflow no longer matches the
+    # version on the default branch. Skipping avoids that expected, unavoidable failure.
+    if: github.actor != 'dependabot[bot]'
+
     # Optional: Filter by PR author
     # if: |
     #   github.event.pull_request.user.login == 'external-contributor' ||

tests/BCMathTest.php

@@ -2025,8 +2025,10 @@ public function testRoundingModeEnvironmentDetection(): void
         ];
 
         foreach ($expectedCases as $caseName) {
+            // enum_exists('RoundingMode') は冒頭の markTestSkipped ガードで true 確定済みのため、
+            // ここでは defined() のみ検証する（PHPStan の booleanAnd.leftAlwaysTrue 回避）。
             $this->assertTrue(
-                enum_exists('RoundingMode') && defined("RoundingMode::{$caseName}"),
+                defined("RoundingMode::{$caseName}"),
                 "RoundingMode::{$caseName} should be available"
             );
         }