ci: bump actions/upload-artifact from 4 to 7

.github/workflows/ci.yml

@@ -193,7 +193,7 @@ jobs:
           JEST_TIMEOUT: 30000
 
       - name: Upload backend coverage
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: matrix.node-version == 24
         with:
           name: backend-coverage
@@ -203,7 +203,7 @@ jobs:
 
       - name: Upload test results
         if: always()
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: backend-test-results-node-${{ matrix.node-version }}
           path: |
@@ -250,7 +250,7 @@ jobs:
           NODE_ENV: test
 
       - name: Upload webapp coverage
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: matrix.node-version == 24
         with:
           name: webapp-coverage
@@ -457,7 +457,7 @@ jobs:
         run: npm run build:backend
 
       - name: Upload backend build artifacts
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: matrix.node-version == 24
         with:
           name: backend-dist
@@ -480,7 +480,7 @@ jobs:
           NEXT_PUBLIC_RPC_URL: ${{ secrets.NEXT_PUBLIC_RPC_URL || 'https://api.mainnet-beta.solana.com' }}
 
       - name: Upload webapp build artifacts
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: matrix.node-version == 24
         with:
           name: webapp-build

.github/workflows/complete-production-pipeline.yml

@@ -128,7 +128,7 @@ jobs:
 
       - name: Upload artifacts
         if: matrix.retry == 1
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: build-artifacts
           path: |
@@ -252,7 +252,7 @@ jobs:
         run: npm run setup-monitoring
 
       - name: Upload monitoring configs
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: monitoring-configs
           path: monitoring/

.github/workflows/gxq-deploy-production.yml

@@ -52,14 +52,14 @@ jobs:
         run: bash scripts/validate-build.sh
 
       - name: Upload backend artifacts
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: backend-dist
           path: dist/
           retention-days: 1
 
       - name: Upload webapp artifacts
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: webapp-build
           path: webapp/.next/

.github/workflows/gxq-master-ci.yml

@@ -158,7 +158,7 @@ jobs:
         run: npm run build:backend
 
       - name: Upload backend artifacts
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: backend-dist
           path: dist/
@@ -196,7 +196,7 @@ jobs:
           NEXT_PUBLIC_RPC_URL: https://api.mainnet-beta.solana.com
 
       - name: Upload webapp artifacts
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: webapp-build
           path: webapp/.next/

.github/workflows/powershell-merge-automation.yml

@@ -139,7 +139,7 @@ jobs:
 
       - name: Upload Merge Logs
         if: always()
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: merge-logs-${{ github.run_number }}-${{ github.run_attempt }}
           path: scripts/merge-log-*.txt

.github/workflows/self-optimize.yml

@@ -492,7 +492,7 @@ jobs:
             }
 
       - name: Upload analysis artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         if: always()
         with:
           name: self-optimization-reports