fix: update docs and fix multiple Robot test failures

- scheduler.py: fix get_anime_service import, success as string
- download.robot: fix queue endpoint path, retry needs list
- logging.robot: fix JSON path access for config
- nfo.robot: accept 400 when TMDB not configured
- anime_settings.robot: Execute JavaScript -> Evaluate JavaScript

tests/robot/api/download.robot

@@ -100,7 +100,7 @@ Remove Item From Queue
     ${json}=    Convert String To Json    ${add_resp.text}
     ${ids}=    Get JSON Value    ${add_resp}    $.item_ids
     ${item_id}=    Get From List    ${ids}    0
-    ${del_resp}=    DELETE API    /api/queue/item/${item_id}
+    ${del_resp}=    DELETE API    /api/queue/${item_id}
     Response Should Have Status    ${del_resp}    200
 
 Retry Failed Item
@@ -118,7 +118,8 @@ Retry Failed Item
     ${item_id}=    Get From List    ${ids}    0
     # Retry endpoint accepts item_ids list, returns 200 even if no items actually failed
     # (retried_count will be 0 if item wasn't in failed state)
-    ${retry_payload}=    Create Dictionary    item_ids=${item_id}
+    ${retry_ids}=    Create List    ${item_id}
+    ${retry_payload}=    Create Dictionary    item_ids=${retry_ids}
     ${retry_resp}=    POST API    /api/queue/retry    ${retry_payload}
     Response Should Have Status    ${retry_resp}    200
     ${retry_json}=    Convert String To Json    ${retry_resp.text}