Fix: Update cache key to include Cargo.toml hash

This forces cache invalidation when version changes

🤖 Generated with [Claude Code](https://claude.ai/code)

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

.github/workflows/cloudflare-pages.yml

@@ -56,9 +56,9 @@ jobs:
         uses: actions/cache@v4
         with:
           path: ./bin
-          key: ailog-bin-${{ runner.os }}
+          key: ailog-bin-${{ runner.os }}-v${{ hashFiles('Cargo.toml') }}
           restore-keys: |
-            ailog-bin-${{ runner.os }}
+            ailog-bin-${{ runner.os }}-v
             
       - name: Setup ailog binary
         run: |