Make the pink weapons throw themselves, and let the big bodies soak

Oliver's playtest of the barrel weapons. Four notes, all four real defects.

"The bigger guys were way too easy to kill at the beginning." A bug, and an old
one. The ball-vs-body chain handled boss, g/m, s, f and a/b, and everything NOT
named in it fell through to "splat-quality kills outright" -- so the STEWARD has
died to one serve since the day he shipped with stewardHp 5 and a comment calling
it a brute's worth of hp, and the three new bodies inherited that the moment they
existed. Pellets and melee always read hp; only the ball skipped it. One generic
hpMax > 1 branch now, and measured after: shambler 2, steward 5, brute 5, ball
boy 3, bouncer 5, roller man 7 -- each exactly its hp.

"I have seen all of them by round 10." The new three move 3/8/15 -> 5/12/20. The
original four keep their gates: that curve was already tuned through game 12.

"The laser fired only when I tapped, that was confusing." The whole tap-per-round
kind is gone. A barrel weapon is now either the normal ball gesture made
spectacular or something that fires itself -- nothing waits for a tap.
 - laser is a serve, and the RAY is the weapon: no ball anywhere in it. The
   preview IS the wedge, it leaves the RACKET rather than lying on the grass, the
   release erases the plane along its own path behind a bright front, and the
   edges are hairlines instead of the heaviest lines on the court.
 - beacon and rocket are LOBBED bursts -- `arc` turns a flat pellet into a thrown
   one, solved onto the nearest body ahead, and landing is itself a hit so a
   rocket that misses still goes off where it lands. The beacon changes colour
   every ball and drags that colour behind it.
 - flamer got "way more pronounced": 30 rounds/s, a ~10 m cone, embers.

"I got the laser almost every time." A flat 1-in-4 over four items does not feel
uniform. BARREL_WEAPONS carries weight and a `from` gate now, never repeats twice
running, and the beacon is what you meet first. Measured: laser 16-28%, rocket
unlocked at game 12 so it is genuinely a late find.

And the barrel keeps its pink halo -- that was always procedural, painted by
drawBarrel, and never went near the chroma key. Three rings and a pool on the
lawn now, because one flat disc read as a smudge.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

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