frame allocs (25.2): ludic.anim's quaternion scratch in its state's defaults, its skeleton scratch and missing-bone line declared; ludic.fishing's fact records made at the start (64) as the others'

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

packages/ludic.anim/bones.ludic

@@ -2,6 +2,7 @@
 # with the same bone names, and skin_find's first hit in the file belongs to whichever came first
 export function skin_joint(sk: Skin, name: string) -> int {
   let i = skin_joint_quiet(sk, name)
+  @alloc_ok("a line for a bone the rig does not have: a fault to fix, said as it happens")
   if i < 0 { print(`skin: no joint {name} in this skin`) }
   return i
 }

packages/ludic.anim/clip.ludic

@@ -19,9 +19,9 @@ export property Clip {
 export state AnimState {
   clips: []Clip = new []Clip
   positions: bool = false
-  q_a: floats = null
-  q_b: floats = null
-  q_cur: floats = null
+  q_a: floats = floats(4)
+  q_b: floats = floats(4)
+  q_cur: floats = floats(4)
   parts: []floats = null
   rot_s: floats = null
   pos_s: floats = null

packages/ludic.anim/mix.ludic

@@ -4,11 +4,6 @@
 
 export function anim_mix(anim_st: mut AnimState, c: Clip, sk: Skin, t: float, w: float, rot: floats, pos: floats, hit: words) -> void {
   if c == null or sk == null { return }
-  if anim_st.q_a == null {
-    anim_st.q_a = floats(4)
-    anim_st.q_b = floats(4)
-    anim_st.q_cur = floats(4)
-  }
   var tt = t
   if c.dur > 0.0 { tt = t % c.dur }
   for ch in 0 .. c.n {

packages/ludic.anim/pose.ludic

@@ -49,6 +49,7 @@ export function anim_to_pose(anim_st: mut AnimState, sk: Skin, rot: floats, pos:
 }
 
 # The scratch is made ONCE and grown, never allocated per call: a call is per actor per frame.
+@alloc_ok("grown once to the largest skeleton posed, kept after")
 function scratch(anim_st: mut AnimState, n: int) -> void {
   if anim_st.cap >= n { return }
   anim_st.rot_s = floats(n * 4)