diff --git a/.mokogitea/workflows/ci-platform.yml b/.mokogitea/workflows/ci-platform.yml
index 47e3ead..1585aa4 100644
--- a/.mokogitea/workflows/ci-platform.yml
+++ b/.mokogitea/workflows/ci-platform.yml
@@ -124,16 +124,16 @@ jobs:
           echo "### PHPCS" >> $GITHUB_STEP_SUMMARY
           echo "PSR-12 compliance: passed" >> $GITHUB_STEP_SUMMARY
 
-      - name: "PHPStan (Level 2)"
-        continue-on-error: true
+      - name: "PHPStan (Level 6)"
         run: |
-          vendor/bin/phpstan analyse -c phpstan.neon --no-progress --error-format=github 2>&1 || {
-            echo "::warning::PHPStan found type errors (advisory)"
+          vendor/bin/phpstan analyse -c phpstan.neon --no-progress --memory-limit=512M --error-format=github 2>&1 || {
+            echo "::error::PHPStan found type errors"
             echo "### PHPStan" >> $GITHUB_STEP_SUMMARY
             echo "Static analysis errors detected. Run \`composer phpstan\` locally." >> $GITHUB_STEP_SUMMARY
+            exit 1
           }
           echo "### PHPStan" >> $GITHUB_STEP_SUMMARY
-          echo "Static analysis: advisory (level 0)" >> $GITHUB_STEP_SUMMARY
+          echo "Static analysis (level 6): passed" >> $GITHUB_STEP_SUMMARY
 
       - name: "Psalm"
         continue-on-error: true
@@ -177,11 +177,14 @@ jobs:
 
       - name: "PHPUnit (PHP ${{ matrix.php }})"
         run: |
-          vendor/bin/phpunit --testdox 2>&1
-          {
-            echo "### PHPUnit (PHP ${{ matrix.php }})"
-            echo "All tests passed."
-          } >> $GITHUB_STEP_SUMMARY
+          vendor/bin/phpunit --testdox 2>&1 || {
+            echo "::error::PHPUnit tests failed"
+            echo "### PHPUnit (PHP ${{ matrix.php }})" >> $GITHUB_STEP_SUMMARY
+            echo "Tests failed. Run \`vendor/bin/phpunit --testdox\` locally." >> $GITHUB_STEP_SUMMARY
+            exit 1
+          }
+          echo "### PHPUnit (PHP ${{ matrix.php }})" >> $GITHUB_STEP_SUMMARY
+          echo "All tests passed." >> $GITHUB_STEP_SUMMARY
 
   # ═══════════════════════════════════════════════════════════════════════
   # Gate 3 — Self-Health (Dogfood)