feat(sonarr): Add Season Pack CF using ReleaseType Condition (#1825)

Co-authored-by: owine <owine@users.noreply.github.com>

docs/Sonarr/sonarr-collection-of-custom-formats.md

@@ -1187,8 +1187,7 @@ We've made 3 guides related to this.
 
     - Give it a score of `10` if you prefer a season pack.
     - Give it a score of `-10000` if you prefer to not download season packs.
-    - `/\bS\d+\b(?!E\d+\b)/i` season packs are preferred: however, given the folder name is ignored the error/warning/issue occurs as the file names would not be a season pack.
-    - Keep in mind this is the only way to prefer season packs. If you have preferred words, due to a long standing bug => Preferred Words overrule season pack preference [Sonarr/Sonarr#3562](https://github.com/Sonarr/Sonarr/issues/3562){:target="_blank" rel="noopener noreferrer"}
+    - `/\bS\d+\b(?!E\d+\b)/i` season packs are preferred: however, given the folder name is ignored the issue occurs as the file names would not be a season pack.
 
     !!! danger "WARNING"
         - This Custom Format could result in a download loop :bangbang:
@@ -1204,6 +1203,36 @@ We've made 3 guides related to this.
 
 ---
 
+### Season Pack (New "Release Type" Handling, Sonarr v4.0.2.1262+ only)
+
+!!! danger "WARNING"
+
+    - This CF utilizes functionality only available starting in Sonarr v4.0.2.1262.
+    - This CF is currently "Guides Only" and does not have a `trash_id` for sync tools.
+    - This CF is currently "Guides Only" and does not yet have a `trash_id` for sync tools pending ReleaseType being released as stable / Sonarr `main`
+
+??? question "Season Pack - [Click to show/hide]"
+    This Custom Format can be used to prefer or exclude season packs
+
+    - Give it a score of `10` if you prefer a season pack.
+    - Give it a score of `-10000` if you prefer to not download season packs.
+    - Utilizing the "Release Type" custom format setting added in v4.0.2.1262, Season Pack source status is now persistently stored alongside episodes.
+
+    !!! info
+        - This Custom Format could previously result in download loops. The new "Release Type" CF now prevents this undesired behavior. :bangbang:
+        - This Custom Format will replace the current Season Pack Custom Format as a drop in replacement when the functionality reaches a full release version of Sonarr.
+        - This will upgrade your already downloaded single episodes :bangbang:
+
+??? example "JSON - [Click to show/hide]"
+
+    ```json
+    [[% filter indent(width=4) %]][[% include 'json/sonarr/cf/season-pack-spec.json' %]][[% endfilter %]]
+    ```
+
+<sub><sup>[TOP](#index)</sup>
+
+---
+
 ### x265 (no HDR/DV)
 
 ??? question "x265 (no HDR/DV) - [Click to show/hide]"

docs/json/sonarr/cf/season-pack-spec.json

@@ -0,0 +1,15 @@
+{
+  "name": "Season Pack",
+  "includeCustomFormatWhenRenaming": false,
+  "specifications": [
+    {
+      "name": "Season Packs",
+      "implementation": "ReleaseTypeSpecification",
+      "negate": false,
+      "required": false,
+      "fields": {
+        "value": 3
+      }
+    }
+  ]
+}