fix: make 360p/480p video preset labels adaptive with legacy alias support

latent_utils.py

@@ -10,13 +10,19 @@ IMAGE_PRESETS = {
 }
 
 VIDEO_PRESETS = {
-    "360p (640x360)": 640,
-    "480p (854x480)": 854,
+    "360p (adaptive)": 640,
+    "480p (adaptive)": 854,
     "520p (960x520)": 960,
     "720p (1280x720)": 1280,
     "1080p (1920x1080) - Premium": 1920,
 }
 
+# Backward-compat for old labels that implied fixed WxH.
+LEGACY_VIDEO_PRESET_ALIASES = {
+    "360p (640x360)": "360p (adaptive)",
+    "480p (854x480)": "480p (adaptive)",
+}
+
 MULTIPLE_PROFILES = {
     "Auto (Image=64, Video=32)": "auto",
     "Flux / SDXL (64)": 64,
@@ -105,6 +111,9 @@ def parse_mode_presets(mode, image_preset, video_preset, multiple_profile, resol
         else:
             image_preset = nearest_image_preset(legacy_long)
 
+    # Migrate old video preset labels to new adaptive labels.
+    video_preset = LEGACY_VIDEO_PRESET_ALIASES.get(video_preset, video_preset)
+
     if image_preset not in IMAGE_PRESETS:
         image_preset = "1K (1024)"
     if video_preset not in VIDEO_PRESETS: