feat: add asset preferences, video research, and Remotion ad assets

- Add thumbs-down feedback modal and preference API endpoint
- Add AI UGC video platforms research doc
- Add ReflectAd Remotion composition with public flow assets
- Add gemini-ad-designer and poster-ad-designer pipeline skills
- Add research_reflect_v1.1 pipeline script

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

app/api/assets/[id]/repurpose/route.ts

@@ -1,6 +1,10 @@
 import { auth } from "@/lib/auth";
 import { prisma } from "@/lib/prisma";
 import { repurposeImage, retoneCaption, getAvailableFormats } from "@/lib/repurpose";
+import { existsSync } from "fs";
+import path from "path";
+
+const PIPELINE_ROOT = process.env.PIPELINE_ROOT || path.join(process.cwd(), "pipeline");
 
 export async function GET(
   _request: Request,
@@ -36,44 +40,57 @@ export async function POST(
   }
 
   const outputDir = `outputs/repurposed_${id.slice(0, 8)}`;
-  const resized = await repurposeImage(asset.filePath, targetFormats, outputDir);
-  const results = [];
 
-  for (const file of resized) {
-    const originalMeta = asset.metadata ? JSON.parse(asset.metadata) : {};
-    let newMeta = { ...originalMeta };
+  // Launch async — Gemini generation takes time
+  (async () => {
+    try {
+      const expectedFiles = await repurposeImage(
+        asset.filePath,
+        asset.dimensions,
+        targetFormats,
+        outputDir
+      );
 
-    // Re-tone caption if platform changed and caption exists
-    if (originalMeta.caption && asset.platform && file.platform !== asset.platform) {
-      try {
-        const newCaption = await retoneCaption(
-          originalMeta.caption,
-          asset.platform,
-          file.platform
-        );
-        newMeta = { ...newMeta, caption: newCaption, originalCaption: originalMeta.caption };
-      } catch {
-        // Keep original caption if re-toning fails
+      // Create DB records for files that were actually generated
+      for (const file of expectedFiles) {
+        const fullPath = path.join(PIPELINE_ROOT, file.filePath);
+        if (!existsSync(fullPath)) continue;
+
+        const originalMeta = asset.metadata ? JSON.parse(asset.metadata) : {};
+        let newMeta = { ...originalMeta };
+
+        if (originalMeta.caption && asset.platform && file.platform !== asset.platform) {
+          try {
+            const newCaption = await retoneCaption(
+              originalMeta.caption,
+              asset.platform,
+              file.platform
+            );
+            newMeta = { ...newMeta, caption: newCaption, originalCaption: originalMeta.caption };
+          } catch {
+            // Keep original caption
+          }
+        }
+
+        await prisma.asset.create({
+          data: {
+            campaignId: asset.campaignId,
+            type: "image",
+            platform: file.platform,
+            format: "png",
+            filePath: file.filePath,
+            fileName: file.fileName,
+            dimensions: file.dimensions,
+            metadata: JSON.stringify(newMeta),
+            status: "draft",
+            parentAssetId: asset.id,
+          },
+        });
       }
+    } catch (err) {
+      console.error(`Repurpose failed for asset ${id}:`, err);
     }
+  })();
 
-    const newAsset = await prisma.asset.create({
-      data: {
-        campaignId: asset.campaignId,
-        type: "image",
-        platform: file.platform,
-        format: "png",
-        filePath: file.filePath,
-        fileName: file.fileName,
-        dimensions: file.dimensions,
-        metadata: JSON.stringify(newMeta),
-        status: "draft",
-        parentAssetId: asset.id,
-      },
-    });
-
-    results.push(newAsset);
-  }
-
-  return Response.json({ created: results.length, assets: results });
+  return Response.json({ status: "repurposing", formats: targetFormats });
 }