feat(product-suite): add direct job state machine

app/ai.py

@@ -2776,7 +2776,19 @@ def _save_jpeg(image_bytes, out_path, resolution, jpg_quality):
 
 
 def _resolution_size(resolution):
-    return _RESOLUTION_SIZES.get(str(resolution))
+    text = str(resolution or "").strip().lower()
+    mapped = _RESOLUTION_SIZES.get(text)
+    if mapped:
+        return mapped
+    if "x" in text:
+        width, height = text.split("x", 1)
+        try:
+            width, height = int(width), int(height)
+        except (TypeError, ValueError):
+            return None
+        if width > 0 and height > 0:
+            return width, height
+    return None
 
 
 def _resolution_size_text(resolution):