- Logo: modulate 78 brightness / 88 saturation on the v3 whale source.
Verified clean (no line artifacts on black-flatten). Regenerated
logo.png, favicon.png, apple-touch-icon.png, and embed.png from it.
- Username input placeholder: 'e.g. Aarav Sharma' -> 'e.g. Nikhil The Great'.
- logo.png: user's whale (1024px JPEG) with background flood-filled to
transparent at fuzz 3 (preserves white belly details), alpha
thresholded to kill JPEG-noise halos, trimmed and centered on
720px canvas. v3 verified clean: no streaks, no box lines, no fringe.
- favicon.png (32px) and apple-touch-icon.png (180px) regenerated
from the same source.
- embed.png (1200x630) rebuilt: whale at 440px left, no overlap with
the WhalePrep title text.
- views.rs: nav brand now references logo.png instead of logo.svg.
