fix: improve subtitle download reliability

- Use --write-sub --write-auto-sub combination for better subtitle support
- Simplify subtitle download logic to handle both regular and auto-generated subtitles
- Add debug logging for better troubleshooting
- Filter only .srt files as final output
- Bump version to 0.6.20

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@kevinwatt/yt-dlp-mcp",
-  "version": "0.6.19",
+  "version": "0.6.20",
   "description": "yt-dlp MCP Server - Download video content via Model Context Protocol",
   "keywords": [
     "mcp",

src/index.mts

@@ -14,7 +14,7 @@ import * as path from "path";
 import { spawnPromise } from "spawn-rx";
 import { rimraf } from "rimraf";
 
-const VERSION = '0.6.19';
+const VERSION = '0.6.20';
 
 /**
  * System Configuration