Fix event initialization issues

- Remove None assignment for download_progress event in AniworldLoader
- Remove None assignments for download_status and scan_status events in SeriesApp
- Events library requires events to not be initialized to None
- Verified logging configuration is properly set to INFO level

data/config.json

@@ -17,7 +17,7 @@
     "keep_days": 30
   },
   "other": {
-    "master_password_hash": "$pbkdf2-sha256$29000$kxLi/J9zTukdA6BUitHa.w$tLseUX7kHXkjl3N9pFAd2Y.dzveyx0buInX7Wu9MHLg",
+    "master_password_hash": "$pbkdf2-sha256$29000$HoPQujcmhFCqdY6RkvI.Rw$YphPCe3vAewoVMlzHgaoX7uarFx0GVSQaplb0KYvIFI",
     "anime_directory": "/mnt/server/serien/Serien/"
   },
   "version": "1.0.0"

data/config_backups/config_backup_20260103_205109.json

@@ -1,24 +0,0 @@
-{
-  "name": "Aniworld",
-  "data_dir": "data",
-  "scheduler": {
-    "enabled": true,
-    "interval_minutes": 60
-  },
-  "logging": {
-    "level": "INFO",
-    "file": null,
-    "max_bytes": null,
-    "backup_count": 3
-  },
-  "backup": {
-    "enabled": false,
-    "path": "data/backups",
-    "keep_days": 30
-  },
-  "other": {
-    "master_password_hash": "$pbkdf2-sha256$29000$X4uRMibE.N.bM.acs1ZKSQ$88em69lhlaLiS6vcF9oqf4pCC8KBbIj/O3h4cQFwM.I",
-    "anime_directory": "/mnt/server/serien/Serien/"
-  },
-  "version": "1.0.0"
-}

data/config_backups/config_backup_20260103_205117.json

@@ -1,24 +0,0 @@
-{
-  "name": "Aniworld",
-  "data_dir": "data",
-  "scheduler": {
-    "enabled": true,
-    "interval_minutes": 60
-  },
-  "logging": {
-    "level": "INFO",
-    "file": null,
-    "max_bytes": null,
-    "backup_count": 3
-  },
-  "backup": {
-    "enabled": false,
-    "path": "data/backups",
-    "keep_days": 30
-  },
-  "other": {
-    "master_password_hash": "$pbkdf2-sha256$29000$TQlBSOndm1MKAWAMoTRGKA$a/q5miowGpjWSc71WDvqBpL9JJmuAO1FrZlCi3qwp2E",
-    "anime_directory": "/mnt/server/serien/Serien/"
-  },
-  "version": "1.0.0"
-}