Clean up DEFAULTS: remove unused settings, add end_frame and transition

Removed steps, cfg, sampler_name, scheduler, denoise, model_name, and
vae_name that were showing as custom parameters. Added end_frame (0)
and transition (1-2) with VACE Settings widgets. Set default
general_negative prompt.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

utils.py

@@ -23,26 +23,21 @@ logger = logging.getLogger(__name__)
 
 # Default structure for new files
 DEFAULTS = {
-    # --- Standard Keys for your Restored Single Tab ---
-    "general_prompt": "",       # Global positive
-    "general_negative": "",     # Global negative
-    "current_prompt": "",       # Specific positive
-    "negative": "",             # Specific negative
+    # --- Prompts ---
+    "general_prompt": "",
+    "general_negative": "Vivid tones, overexposed, static, blurry details, subtitles, style, artwork, painting, picture, still image, overall gray, worst quality, low quality, JPEG compression artifacts, ugly, deformed, extra fingers, poorly drawn hands, poorly drawn face, distorted, disfigured, malformed limbs, fused fingers, unmoving frame, cluttered background, three legs",
+    "current_prompt": "",
+    "negative": "",
     "seed": -1,
-    
+
     # --- Settings ---
     "camera": "static",
     "flf": 0.0,
-    "steps": 20,
-    "cfg": 7.0,
-    "sampler_name": "euler",
-    "scheduler": "normal",
-    "denoise": 1.0,
-    "model_name": "v1-5-pruned-emaonly.ckpt",
-    "vae_name": "vae-ft-mse-840000-ema-pruned.ckpt",
 
     # --- I2V / VACE Specifics ---
     "frame_to_skip": 81,
+    "end_frame": 0,
+    "transition": "1-2",
     "vace schedule": 1,
     "input_a_frames": 0,
     "input_b_frames": 0,
@@ -51,7 +46,7 @@ DEFAULTS = {
     "reference image path": "",
     "reference path": "",
     "flf image path": "",
-    
+
     # --- LoRAs ---
     "lora 1 high": "", "lora 1 low": "",
     "lora 2 high": "", "lora 2 low": "",