PHASE 1: VISUAL DECONSTRUCTION - **Fabric Physics:** The source garment appears to be a textured, crinkled cotton or linen blend. It has a matte finish with low specular reflection. The simulation must render this as a lightweight, semi-structured material that holds the "puff" shape in the sleeves but drapes softly below the bust line. - **Key Features:** The vertical crinkle texture is essential for realism. Must preserve the V-neckline with delicate crochet/lace trim, the central column of covered buttons, the empire-waist seam under the bust, and the gathered pleating at the shoulders and sleeve cuffs. PHASE 2: FIT & DRAPE SIMULATION - **Body Mapping:** Due to the user's "hands-on-hips" pose (akimbo), the garment sleeves must bunch and wrinkle significantly at the inner elbow and armpit. The shoulders of the garment must lift slightly to accommodate the raised clavicle position. The peplum flare (bottom of the blouse) should naturally drape over the waistband of the user's black skirt, following the outward curve of her hips. - **Occlusion Handling:** The user's hands and wrist accessories (bracelets on both arms) are positioned against the body. The virtual garment must pass *behind* the hands and wrists. The existing neck-scarf/tie on the user must be digitally removed (inpainted) to reveal the skin required for the V-neck cut of the new blouse. PHASE 3: ENVIRONMENT & LIGHTING - **Light Match:** The user image uses a hard, direct light source (camera flash) in a nighttime environment, creating high contrast. The source garment's soft studio lighting must be replaced with a harsh, frontal illumination. Highlights on the white fabric should be concentrated centrally, with rapid fall-off into deep shadows at the sides and under the bust/arms. - **Color Calibration:** The source garment is a warm cream/off-white. To match the user's flash photography, the white point must be cooled slightly to align with the flash temperature, ensuring the white blouse doesn't look artificially yellow against the user's skin tone. PHASE 4: IDENTITY PROTECTION - **Facial Lock:** Absolute freeze on the user's facial geometry, expression (closed eyes/smile), and the hairline. The specific lighting on the face must not be altered by the garment transfer. - **Body Integrity:** Strict prohibition on warping the user's underlying skeletal structure. The arm volume and waist circumference must remain consistent with the original image; the garment must fit *around* her actual dimensions, not resize her body to fit the clothing model's proportions.