fix: CI e2e跑全部spec，超时加到5分钟，启用内存优化

- timeout 180→300秒，job timeout 5→8分钟
- experimentalMemoryManagement + numTestsKeptInMemory=0 防内存爆
- 不限制spec，全部跑

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.gitea/workflows/test.yml

@@ -12,7 +12,7 @@ jobs:
   e2e-test:
     runs-on: test
     needs: unit-test
-    timeout-minutes: 5
+    timeout-minutes: 8
     steps:
       - uses: actions/checkout@v4
 
@@ -58,17 +58,10 @@ jobs:
             exit 1
           fi
 
-          # Run core cypress specs with hard 3-minute timeout
+          # Run all specs with memory optimization
           cd frontend
-          timeout 180 npx cypress run --spec "\
-          cypress/e2e/recipe-detail.cy.js,\
-          cypress/e2e/oil-reference.cy.js,\
-          cypress/e2e/oil-data-integrity.cy.js,\
-          cypress/e2e/recipe-cost-parity.cy.js,\
-          cypress/e2e/category-modules.cy.js,\
-          cypress/e2e/notification-flow.cy.js,\
-          cypress/e2e/registration-flow.cy.js\
-          " --config "video=false,defaultCommandTimeout=5000,pageLoadTimeout=10000,requestTimeout=5000,responseTimeout=10000,baseUrl=http://localhost:$FE_PORT"
+          timeout 300 npx cypress run \
+            --config "video=false,defaultCommandTimeout=5000,pageLoadTimeout=10000,requestTimeout=5000,responseTimeout=10000,baseUrl=http://localhost:$FE_PORT,experimentalMemoryManagement=true,numTestsKeptInMemory=0"
           EXIT_CODE=$?
 
           # Cleanup
@@ -76,7 +69,7 @@ jobs:
           pkill -f "Cypress" 2>/dev/null || true
           rm -f "$DB_FILE"
           if [ $EXIT_CODE -eq 124 ]; then
-            echo "ERROR: Cypress timed out after 3 minutes"
+            echo "ERROR: Cypress timed out after 5 minutes"
             exit 1
           fi
           exit $EXIT_CODE