fix(content): address Gemini review — error checks, auth consistency

7 fixes from code review:
- Add image download error checks in haiper/leonardo/ideogram handlers
- Add audio download error checks in suno/udio handlers
- Use providerConfig.statusUrl for suno polling (not hardcoded URL)
- Fix suno authType to "cookie" in providerRegistry

Co-Authored-By: OpenClaude (mimo-v2.5-pro) <openclaude@gitlawb.com>

open-sse/config/providerRegistry.ts

@@ -1986,7 +1986,7 @@ export const REGISTRY: Record<string, RegistryEntry> = {
     format: "openai",
     executor: "default",
     baseUrl: "https://studio-api.suno.ai/api/generate/v2/",
-    authType: "apikey",
+    authType: "cookie",
     authHeader: "cookie",
     models: [
       { id: "chirp-v3-5", name: "Chirp V3.5" },

open-sse/handlers/imageGeneration.ts

@@ -3018,7 +3018,7 @@ async function handleHaiperImageGeneration({
     const res = await fetch(providerConfig.baseUrl, {
       method: "POST",
       headers: { "Content-Type": "application/json", HAIPER_KEY: token },
-      body: JSON.stringify({ prompt, aspect_ratio: "16:9" }),
+      body: JSON.stringify({ prompt, aspect_ratio: body.aspect_ratio || "16:9" }),
     });
     if (!res.ok) {
       const errorText = await res.text();
@@ -3045,6 +3045,13 @@ async function handleHaiperImageGeneration({
         const imgUrl = status.creation_url || status.output?.image_url;
         if (imgUrl) {
           const imgRes = await fetch(imgUrl);
+          if (!imgRes.ok) {
+            return {
+              success: false,
+              status: imgRes.status,
+              error: `Failed to download image: ${imgRes.status}`,
+            };
+          }
           const buf = await imgRes.arrayBuffer();
           saveCallLog({
             method: "POST",
@@ -3166,6 +3173,13 @@ async function handleLeonardoImageGeneration({
         const imgUrl = gen.generated_images?.[0]?.url;
         if (imgUrl) {
           const imgRes = await fetch(imgUrl);
+          if (!imgRes.ok) {
+            return {
+              success: false,
+              status: imgRes.status,
+              error: `Failed to download image: ${imgRes.status}`,
+            };
+          }
           const buf = await imgRes.arrayBuffer();
           saveCallLog({
             method: "POST",
@@ -3259,6 +3273,13 @@ async function handleIdeogramImageGeneration({
     if (data.data && data.data.length > 0) {
       const imgUrl = data.data[0].url;
       const imgRes = await fetch(imgUrl);
+      if (!imgRes.ok) {
+        return {
+          success: false,
+          status: imgRes.status,
+          error: `Failed to download image: ${imgRes.status}`,
+        };
+      }
       const buf = await imgRes.arrayBuffer();
       saveCallLog({
         method: "POST",

open-sse/handlers/musicGeneration.ts

@@ -434,13 +434,20 @@ async function handleSunoMusicGeneration({
     const deadline = Date.now() + 300000;
     while (Date.now() < deadline) {
       await new Promise((r) => setTimeout(r, 5000));
-      const feedRes = await fetch(`https://studio-api.suno.ai/api/feed/?ids=${ids.join(",")}`, {
+      const feedRes = await fetch(`${providerConfig.statusUrl}?ids=${ids.join(",")}`, {
         headers: { Cookie: cookie },
       });
       const songs = await feedRes.json();
       const ready = songs.filter((s) => s.audio_url);
       if (ready.length > 0) {
         const audioRes = await fetch(ready[0].audio_url);
+        if (!audioRes.ok) {
+          return {
+            success: false,
+            status: audioRes.status,
+            error: `Failed to download audio: ${audioRes.status}`,
+          };
+        }
         const buf = await audioRes.arrayBuffer();
         saveCallLog({
           method: "POST",
@@ -545,6 +552,13 @@ async function handleUdioMusicGeneration({
       const ready = songs.filter((s) => s.finished && s.song_path);
       if (ready.length > 0) {
         const audioRes = await fetch(ready[0].song_path);
+        if (!audioRes.ok) {
+          return {
+            success: false,
+            status: audioRes.status,
+            error: `Failed to download audio: ${audioRes.status}`,
+          };
+        }
         const buf = await audioRes.arrayBuffer();
         saveCallLog({
           method: "POST",