ci: fix macOS artifact extraction - run cleanup before download

Move the cleanup step to run BEFORE artifact download instead of after,
to properly clear existing files before tar extraction on macOS.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: ersinkoc

.github/workflows/ci.yml

@@ -118,16 +118,16 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Clear existing assets before extraction (macOS fix)
+        if: runner.os == 'macOS'
+        run: rm -rf internal/webui/assets internal/webui/index.html internal/webui/favicon.svg 2>/dev/null || true
+
       - name: Download frontend artifacts
         uses: actions/download-artifact@v8
         with:
           name: frontend-assets
           path: internal/webui/
 
-      - name: Clear existing assets before extraction (macOS fix)
-        if: runner.os == 'macOS'
-        run: rm -rf internal/webui/assets internal/webui/index.html internal/webui/favicon.svg 2>/dev/null || true
-
       - name: Setup Go
         uses: actions/setup-go@v6
         with:
@@ -203,16 +203,16 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Clear existing assets before extraction (macOS fix)
+        if: runner.os == 'macOS'
+        run: rm -rf internal/webui/assets internal/webui/index.html internal/webui/favicon.svg 2>/dev/null || true
+
       - name: Download frontend artifacts
         uses: actions/download-artifact@v8
         with:
           name: frontend-assets
           path: internal/webui/
 
-      - name: Clear existing assets before extraction (macOS fix)
-        if: runner.os == 'macOS'
-        run: rm -rf internal/webui/assets internal/webui/index.html internal/webui/favicon.svg 2>/dev/null || true
-
       - name: Setup Go
         uses: actions/setup-go@v6
         with:
@@ -241,16 +241,16 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Clear existing assets before extraction (macOS fix)
+        if: runner.os == 'macOS'
+        run: rm -rf internal/webui/assets internal/webui/index.html internal/webui/favicon.svg 2>/dev/null || true
+
       - name: Download frontend artifacts
         uses: actions/download-artifact@v8
         with:
           name: frontend-assets
           path: internal/webui/
 
-      - name: Clear existing assets before extraction (macOS fix)
-        if: runner.os == 'macOS'
-        run: rm -rf internal/webui/assets internal/webui/index.html internal/webui/favicon.svg 2>/dev/null || true
-
       - name: Setup Go
         uses: actions/setup-go@v6
         with: