fix: fetch OpenAPI doc from browser to avoid Docker network isolation, add Swagger 2.0 support

packages/web/src/pages/ImportDialog.tsx

@@ -31,14 +31,20 @@ export default function ImportDialog({ onClose }: { onClose: () => void }) {
     setLoading(true);
     setError('');
     try {
-      let body: Record<string, unknown>;
+      let spec: unknown;
+
       if (mode === 'url') {
-        body = { specUrl: url };
+        // Fetch from browser (can access local network) instead of letting server fetch
+        const res = await fetch(url);
+        if (!res.ok) throw new Error(`Failed to fetch: ${res.status} ${res.statusText}`);
+        const text = await res.text();
+        try { spec = JSON.parse(text); } catch { spec = text; }
       } else {
-        try { body = { spec: JSON.parse(fileContent) }; } catch { body = { spec: fileContent }; }
+        try { spec = JSON.parse(fileContent); } catch { spec = fileContent; }
       }
+
       const data = await apiFetch<ImportResult>('/projects', {
-        method: 'POST', body: JSON.stringify(body),
+        method: 'POST', body: JSON.stringify({ spec }),
       });
       setResult(data);
       queryClient.invalidateQueries({ queryKey: ['projects'] });