Refactor: Frontend UI consistency

API.md

@@ -19,7 +19,6 @@ WatchState HTTP API reference. Examples use the default `/v1/api` prefix.
       - [GET|POST /v1/api/backends/users/{type}](#getpost-v1apibackendsuserstype)
       - [GET|POST /v1/api/backends/discover/{type}](#getpost-v1apibackendsdiscovertype)
       - [POST /v1/api/backends/accesstoken/{type}](#post-v1apibackendsaccesstokentype)
-      - [POST /v1/api/backends/validate/token/{type}](#post-v1apibackendsvalidatetokentype)
       - [POST /v1/api/backends/plex/generate](#post-v1apibackendsplexgenerate)
       - [POST /v1/api/backends/plex/check](#post-v1apibackendsplexcheck)
     - [Configured Backend Endpoints](#configured-backend-endpoints)
@@ -455,35 +454,6 @@ Generates a Jellyfin or Emby access token using username/password credentials.
 
 ---
 
-#### POST /v1/api/backends/validate/token/{type}
-Validates a Plex token.
-
-**Path**:
-- `type`: Must resolve to the Plex client.
-
-**Body**:
-```json
-{
-  "token": "plex-token"
-}
-```
-
-**Response**:
-```json
-{
-  "info": {
-    "code": 200,
-    "message": "Token is valid."
-  }
-}
-```
-
-**Errors**:
-- `400 Bad Request` if the endpoint is used with a non-Plex backend or if `token` is missing.
-- `401 Unauthorized` if the token is rejected.
-
----
-
 #### POST /v1/api/backends/plex/generate
 Starts the Plex PIN flow used for browser/device login.
 
@@ -2729,12 +2699,63 @@ Restarts the task scheduler.
 ---
 
 #### GET /v1/api/system/report
-Returns the output of the `system:report` command.
+Returns a structured diagnostic report.
 
 **Response**:
 ```json
 {
-  "...": "report payload"
+  "generated_at": "2024-01-01T12:00:00+00:00",
+  "system": {
+    "version": "v1.0.0",
+    "php_version": "8.4.0",
+    "sapi": "cli",
+    "timezone": "UTC",
+    "data_path": "/config",
+    "temp_path": "/tmp",
+    "database_migrated": true,
+    "env_file_exists": true,
+    "scheduler_running": true,
+    "scheduler_message": "OK",
+    "in_container": true
+  },
+  "users": ["main"],
+  "backends": [
+    {
+      "name": "plex_server",
+      "user": "main",
+      "type": "plex",
+      "version": "1.40.1",
+      "https": true,
+      "has_uuid": true,
+      "has_user": true,
+      "export": { "enabled": true, "last_sync": 1704110400, "playlist_last_sync": null },
+      "import": { "enabled": true, "metadata_refresh": true, "last_sync": 1704110400, "playlist_last_sync": null },
+      "options": {}
+    }
+  ],
+  "suppression": {
+    "file_exists": false,
+    "rules": null,
+    "error": null
+  },
+  "tasks": [
+    {
+      "name": "import",
+      "enabled": true,
+      "args": "-v",
+      "timer": "5 * * * *",
+      "next_run": "2024-01-01T13:00:00+00:00",
+      "error": null
+    }
+  ],
+  "logs": [
+    {
+      "type": "app",
+      "entries": [
+        { "datetime": "2024-01-01T12:00:00+00:00", "level": "INFO", "logger": "main", "message": "Application started" }
+      ]
+    }
+  ]
 }
 ```
 

FAQ.md

@@ -454,7 +454,7 @@ the issue. Please enable webhooks for your jellyfin backend to avoid this issue.
 
 We have added an experimental workaround for this issue in the `state:import` command. To enable it, add the env `WS_CLIENTS_JELLYFIN_FIX_PLAYED` via the `Configuration > Environment` page. It's turned off by default as it may cause some issues as it's untested in production, so please use it with caution and report any issues you find.
 
-## CODE: DM001 - Item queued for re-processing.
+## DM001 (`error: dm001_stale_date`) - Item queued for re-processing.
 
 This warning appears when the backend reports an older item state than the last recorded sync point. This usually
 shows up in edge cases and can often be resolved by forcing a state export to the backend.