docs(character): 90s-spoof tone direction + v2 wardrobe + 12-beat storyboard

- Voice guide + bible gain the comedic north star: loving spoof of Clippy +
  Mr. DNA with Weird Al 'White & Nerdy' energy — Clippy's charm, never his
  intrusiveness.
- Record v2 wardrobe (bow tie, googly eyes, askew mortarboard, pointer stick),
  render incoming; v1 model sheet relabeled.
- Add drflask-storyboard.webp (12-beat sequence) + document its panel->script map.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

docs/brand/brand-kit.md

@@ -32,6 +32,14 @@ condescending.
 
 **Voice:** playful, clear, confident, with controlled bursts of nerdy enthusiasm.
 
+**Comedic north star:** a loving spoof of the 90s helper-mascot era — Microsoft's
+Clippy and Jurassic Park's Mr. DNA — with Weird Al "White & Nerdy" energy:
+proudly, self-awarely nerdy, always in on the joke. **The crucial distinction:**
+he channels Clippy's *charm*, never Clippy's *intrusiveness*. Dr. Flask is the
+helper mascot we actually wanted — opt-in, dismissible, fun. We borrow the era's
+vibe, not its sins. (This is why the intro video is click-to-play in a
+dismissible lightbox, never an autoplay nuisance.)
+
 **Character rule (the formula):** explain the complex server operation in plain
 English first, *then* add **one** delightful chemistry wink at the end. One. Not
 every sentence.