[REVERT] Adding extra data model because retry() logic is working

app/src/main/java/ink/trmnl/android/work/ImageUpdateResult.kt

@@ -1,47 +0,0 @@
-package ink.trmnl.android.work
-
-import androidx.annotation.Keep
-import ink.trmnl.android.data.ImageMetadata
-
-/**
- * Sealed class representing the result of an image update operation.
- *
- * This provides a type-safe way to handle different outcomes of image refresh operations:
- * - [Success]: New image was successfully fetched and should be displayed
- * - [RateLimited]: Rate limit encountered, keep showing current image with notification
- * - [Error]: Fatal error occurred, display error state
- */
-@Keep
-sealed class ImageUpdateResult {
-    /**
-     * Successfully fetched a new image to display.
-     *
-     * @param metadata The metadata for the new image including URL and refresh interval
-     */
-    data class Success(
-        val metadata: ImageMetadata,
-    ) : ImageUpdateResult()
-
-    /**
-     * Rate limit encountered (HTTP 429).
-     * Keep showing the current image and notify the user.
-     *
-     * NOTE: This usually happens for current display API. See details below:
-     * - https://discord.com/channels/1281055965508141100/1336424981495676978/1429827943902744618
-     *
-     * @param message User-friendly message to display (e.g., "Rate limit (10s cooldown)")
-     */
-    data class RateLimited(
-        val message: String,
-    ) : ImageUpdateResult()
-
-    /**
-     * Fatal error occurred during image fetch.
-     * Display error state to the user.
-     *
-     * @param message Error message to display to the user
-     */
-    data class Error(
-        val message: String,
-    ) : ImageUpdateResult()
-}

app/src/main/java/ink/trmnl/android/work/RefreshWorkResult.kt

@@ -9,5 +9,4 @@ import androidx.annotation.Keep
 enum class RefreshWorkResult {
     SUCCESS,
     FAILURE,
-    RATE_LIMITED,
 }

app/src/main/java/ink/trmnl/android/work/TrmnlImageRefreshWorker.kt

@@ -87,6 +87,8 @@ class TrmnlImageRefreshWorker(
 
         // Check for rate limit errors (HTTP 429) - should retry with exponential backoff
         if (trmnlDisplayInfo.status.isRateLimitError()) {
+            // NOTE: This usually happens for current display API. See details below:
+            // - https://discord.com/channels/1281055965508141100/1336424981495676978/1429827943902744618
             Timber.tag(TAG).w("Rate limit exceeded (HTTP 429), will retry with exponential backoff")
             refreshLogManager.addFailureLog(
                 error = "Rate limit exceeded (HTTP 429) - Too many requests. Will retry automatically.",