Add debugging steps to build workflow

.github/workflows/build-opencode-cli-docker.yml

@@ -51,6 +51,21 @@ jobs:
         run: bun install
         working-directory: opencode
 
+      - name: Debug - Check directory structure
+        run: |
+          pwd
+          ls -la
+          ls -la packages/opencode/
+        working-directory: opencode
+        
+      - name: Debug - Test bun script execution
+        run: |
+          echo "Testing bun..."
+          bun --version
+          echo "Testing script import..."
+          bun run -e "try { const { Script } = await import('@opencode-ai/script'); console.log('Script imported:', Script.version); } catch(e) { console.error('Import failed:', e); process.exit(1); }"
+        working-directory: opencode
+
       - name: Build CLI
         run: bun run ./packages/opencode/script/build.ts --single
         working-directory: opencode