Migrate video metadata to PostgreSQL for improved data management

Introduces a new video migration service to transfer video metadata from Bunny.net to PostgreSQL. Updates storage logic to prioritize PostgreSQL, removes redundant fields from the video schema, and adds database migration functionality to the server startup.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: d7424866-83d1-4486-a212-ac12b4c7becf
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/8cc42625-c1f5-4e43-99bd-77f2c4dedee2/d7424866-83d1-4486-a212-ac12b4c7becf/i1Fg8VZ

shared/schema.ts

@@ -8,10 +8,7 @@ export const videos = pgTable("videos", {
   title: text("title").notNull(),
   description: text("description").default("").notNull(),
   thumbnailUrl: text("thumbnail_url").notNull(),
-  customThumbnailUrl: text("custom_thumbnail_url"),
   videoUrl: text("video_url").notNull(),
-  videoUrlMp4: text("video_url_mp4"),
-  videoUrlIframe: text("video_url_iframe"),
   duration: integer("duration").notNull(), // in seconds
   views: integer("views").notNull().default(0),
   category: text("category").default("").notNull(),
@@ -19,14 +16,6 @@ export const videos = pgTable("videos", {
   isPublic: boolean("is_public").default(true).notNull(),
   uploadStatus: text("upload_status").default("completed").notNull(), // pending, processing, completed, failed
   originalFileName: text("original_file_name"),
-  fileSize: integer("file_size"), // in bytes
-  bitrate: integer("bitrate"), // in kbps
-  resolution: text("resolution"), // e.g., "1920x1080"
-  format: text("format"), // e.g., "mp4", "avi", "mov"
-  encoding: text("encoding"), // e.g., "h264", "h265"
-  bunnyId: varchar("bunny_id"), // Original Bunny.net video ID
-  bunnyLibraryId: varchar("bunny_library_id"), // Bunny.net library ID
-  source: text("source").default("bunny").notNull(), // bunny, upload, manual
   createdAt: timestamp("created_at").notNull().default(sql`CURRENT_TIMESTAMP`),
   updatedAt: timestamp("updated_at").notNull().default(sql`CURRENT_TIMESTAMP`),
 });