Release v1.3.0: Multi-source downloads, audio analyzer resilience, mobile improvements

Major Features:
- Multi-source download system (Soulseek/Lidarr with fallback)
- Configurable enrichment speed control (1-5x)
- Mobile touch drag support for seek sliders
- iOS PWA media controls (Control Center, Lock Screen)
- Artist name alias resolution via Last.fm
- Circuit breaker pattern for audio analysis

Critical Fixes:
- Audio analyzer stability (non-ASCII, BrokenProcessPool, OOM)
- Discovery system race conditions and import failures
- Radio decade categorization using originalYear
- LastFM API response normalization
- Mood bucket infinite loop prevention

Security:
- Bull Board admin authentication
- Lidarr webhook signature verification
- JWT token expiration and refresh
- Encryption key validation on startup

Closes #2, #6, #9, #13, #21, #26, #31, #34, #35, #37, #40, #43

backend/package.json

@@ -1,6 +1,6 @@
 {
     "name": "lidify-backend",
-    "version": "1.2.0",
+    "version": "1.3.0",
     "description": "Lidify backend API server",
     "license": "GPL-3.0",
     "repository": {
@@ -46,6 +46,7 @@
         "jsonwebtoken": "^9.0.2",
         "music-metadata": "^11.10.0",
         "node-cron": "^4.2.1",
+        "p-limit": "^7.2.0",
         "p-queue": "^9.0.0",
         "podcast-index-api": "^1.1.10",
         "qrcode": "^1.5.4",
@@ -60,6 +61,7 @@
     },
     "devDependencies": {
         "@types/bcrypt": "^5.0.2",
+        "@types/cors": "^2.8.19",
         "@types/express": "^4.17.21",
         "@types/express-session": "^1.17.10",
         "@types/jsonwebtoken": "^9.0.10",