feat: Wire FormatProfile.outputTemplate into DownloadService with conte…

- "src/services/download.ts"
- "src/services/file-organizer.ts"

GSD-Task: S02/T03

src/services/download.ts

@@ -73,11 +73,17 @@ export class DownloadService {
       await this.rateLimiter.acquire(platform as Platform);
 
       // Build yt-dlp args
+      const template = formatProfile?.outputTemplate ?? undefined;
       const outputTemplate = this.fileOrganizer.buildOutputPath(
         platform,
         channelName,
         contentItem.title,
-        this.guessExtension(contentItem.contentType, formatProfile)
+        this.guessExtension(contentItem.contentType, formatProfile),
+        template,
+        {
+          contentType: contentItem.contentType,
+          id: contentItem.platformContentId,
+        }
       );
       const args = this.buildYtDlpArgs(
         contentItem,

src/services/file-organizer.ts

@@ -78,7 +78,8 @@ export class FileOrganizer {
     channelName: string,
     title: string,
     ext: string,
-    template?: string
+    template?: string,
+    extra?: { contentType?: string; id?: string }
   ): string {
     const safeExt = ext.startsWith('.') ? ext.slice(1) : ext;
     const now = new Date();
@@ -91,6 +92,8 @@ export class FileOrganizer {
       date: now.toISOString().slice(0, 10),        // YYYY-MM-DD
       year: String(now.getFullYear()),
       month: String(now.getMonth() + 1).padStart(2, '0'),
+      ...(extra?.contentType != null ? { contentType: extra.contentType } : {}),
+      ...(extra?.id != null ? { id: extra.id } : {}),
     };
 
     const resolved = this.resolveTemplate(template ?? DEFAULT_OUTPUT_TEMPLATE, vars);