feat: Integrated Stream asset and Kai animation system

scripts/clean_pipe_stream_grabcut.py

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+import cv2
+import numpy as np
+import os
+
+def clean_pipe_stream_aggressive():
+    src_path = '/Users/davidkotnik/.gemini/antigravity/brain/07019d04-a214-43ab-9565-86f4e8f17e5b/uploaded_media_1769607894587.jpg'
+    
+    print(f"Loading {src_path}")
+    img_bgr = cv2.imread(src_path)
+    if img_bgr is None:
+        print("Failed to load")
+        return
+
+    # Convert to HSV for better segmentation
+    hsv = cv2.cvtColor(img_bgr, cv2.COLOR_BGR2HSV)
+    
+    # The background is a "neutral gray".
+    # Gray means LOW Saturation.
+    # Light Gray means HIGH Value.
+    
+    # Let's define "Background" as:
+    # Saturation < 20 (very gray)
+    # Value > 200 (very bright)
+    # But wait, the pipe is also gray! We risk deleting the pipe.
+    
+    # Plan B: GrabCut.
+    # We initialize a mask where the center is "Probable Foreground" and edges are "Background".
+    mask = np.zeros(img_bgr.shape[:2], np.uint8)
+    
+    bgdModel = np.zeros((1,65),np.float64)
+    fgdModel = np.zeros((1,65),np.float64)
+    
+    h, w = img_bgr.shape[:2]
+    
+    # Define rectangle: Cut off 10px from edges as "Definite Background"
+    # Everything else is "Probable Foreground"
+    rect = (10, 10, w-20, h-20)
+    
+    print("Running GrabCut (this might take a second)...")
+    cv2.grabCut(img_bgr, mask, rect, bgdModel, fgdModel, 5, cv2.GC_INIT_WITH_RECT)
+    
+    # Mask values: 0=BG, 1=FG, 2=Prob BG, 3=Prob FG
+    # We take 1 and 3 as mask
+    mask2 = np.where((mask==2)|(mask==0),0,1).astype('uint8')
+    
+    img_bgr = img_bgr * mask2[:,:,np.newaxis]
+    
+    # Now create Alpha channel
+    b, g, r = cv2.split(img_bgr)
+    alpha = mask2 * 255
+    img_rgba = cv2.merge([b, g, r, alpha])
+    
+    # Crop to content
+    coords = cv2.findNonZero(alpha)
+    if coords is not None:
+        x, y, cw, ch = cv2.boundingRect(coords)
+        print(f"Cropping to: {x},{y} {cw}x{ch}")
+        img_rgba = img_rgba[y:y+ch, x:x+cw]
+    
+    # Save
+    targets = [
+        '/Users/davidkotnik/repos/novafarma/main/assets/stream_pipe.png',
+        '/Users/davidkotnik/repos/novafarma/assets/DEMO_FAZA1/Environment/stream_pipe.png'
+    ]
+    
+    for t in targets:
+        cv2.imwrite(t, img_rgba)
+        print(f"Saved to {t}")
+
+if __name__ == "__main__":
+    clean_pipe_stream_aggressive()