feat: add mobile Remotion video generator with image, text, audio, and Facebook publishing features.

client/src/pages/mobile/remotion-video.tsx

@@ -131,6 +131,8 @@ export default function MobileRemotionVideoPage() {
       if (!response.ok) { const e = await response.json().catch(() => ({})); throw new Error(e.error || "Erreur"); }
       const data = await response.json();
       setVideoUrl(data.url);
+      // Pre-fill description with overlay text so it appears in the Facebook post
+      if (overlayText && !publishDescription) setPublishDescription(overlayText);
       toast({ title: "Vidéo générée !" });
     } catch (err: any) {
       toast({ title: "Erreur", description: err.message, variant: "destructive" });

client/src/pages/remotion-video.tsx

@@ -115,6 +115,8 @@ export default function RemotionVideoPage() {
       if (!response.ok) { const e = await response.json().catch(() => ({})); throw new Error(e.error || "Erreur"); }
       const data = await response.json();
       setVideoUrl(data.url);
+      // Pre-fill description with overlay text so it appears in the Facebook post
+      if (overlayText && !publishDescription) setPublishDescription(overlayText);
       toast({ title: "Vidéo générée !", description: "Votre vidéo est prête à publier." });
     } catch (err: any) {
       toast({ title: "Erreur", description: err.message || "Impossible de créer la vidéo.", variant: "destructive" });

server/routes/remotion.ts

@@ -6,7 +6,7 @@ import { bundle } from "@remotion/bundler";
 import { renderMedia, selectComposition } from "@remotion/renderer";
 import { ffmpegService } from "../services/ffmpeg";
 import { storage as dbStorage } from "../storage";
-import { minioService as cloudinaryService, buildMinioUrl, resolvePublicUrl } from "../services/minio";
+import { minioService as cloudinaryService, buildMinioUrl } from "../services/minio";
 import { facebookService } from "../services/facebook";
 import * as musicMetadata from "music-metadata";
 
@@ -371,8 +371,11 @@ remotionRouter.post("/publish", async (req, res) => {
         });
 
         if (!scheduledFor) {
-          console.log(`🚀 Publishing to ${page.pageName}...`);
-          const reelId = await facebookService.publishReel(page, resolvePublicUrl(cloudinaryResult.originalUrl), description || "");
+          console.log(`🚀 Publishing to ${page.pageName} (direct binary upload)...`);
+          // Upload video bytes directly — Facebook cannot access local URLs
+          const videoBuffer = await fs.promises.readFile(localPath);
+          const arrayBuffer = videoBuffer.buffer.slice(videoBuffer.byteOffset, videoBuffer.byteOffset + videoBuffer.byteLength) as ArrayBuffer;
+          const reelId = await facebookService.publishReelFromBuffer(page, arrayBuffer, description || "");
           await dbStorage.updateScheduledPost(scheduledPost.id, { publishedAt: new Date(), externalPostId: reelId });
           results.push({ pageId, success: true, reelId });
         } else {

server/services/facebook.ts

@@ -1,3 +1,5 @@
+import fs from 'fs';
+import path from 'path';
 import { storage } from '../storage';
 import type { Post, SocialPage, Media } from '@shared/schema';
 import { imageProcessor } from './imageProcessor';
@@ -71,7 +73,13 @@ export class FacebookService {
         throw new Error('Reels require a video media');
       }
 
-      return await this.publishReel(page, resolvePublicUrl(videoMedia.originalUrl), post.content);
+      // Upload video bytes directly — Facebook cannot fetch local/Docker URLs
+      const localPath = videoMedia.originalUrl.startsWith('/')
+        ? path.join(process.cwd(), videoMedia.originalUrl)
+        : videoMedia.originalUrl;
+      const nodeBuffer = await fs.promises.readFile(localPath);
+      const arrayBuffer = nodeBuffer.buffer.slice(nodeBuffer.byteOffset, nodeBuffer.byteOffset + nodeBuffer.byteLength) as ArrayBuffer;
+      return await this.publishReelFromBuffer(page, arrayBuffer, post.content);
     } else {
       // Default to feed
       const imageMedia = mediaList.filter(m => m.type === 'image');