feat: add pod logs and delete operations

- Add pod logs button with SSE streaming (WIP: SSE connection issues with HTTP/2)
- Add pod delete button with confirmation dialog
- Use existing resp.SSE package for log streaming
- Force HTTP/1.1 for k8s client to avoid stream closing issues
- Update frontend to handle pod actions and dialogs

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frontend/vite.config.ts

@@ -11,6 +11,8 @@ export default defineConfig({
       '/api': {
         target: 'http://127.0.0.1:9119',
         changeOrigin: true,
+        ws: true,
+        timeout: 0,
         // Removed rewrite so /api prefix is preserved for backend route /api/v1/...
       },
     },