Blender-authored clips: real death fall, fire thrust, dash lean, hit-react (Phase 1 anim triage)

Four clips authored programmatically in Blender on the PolygonSyntyCharacter
skeleton (full-body keys per pose, numeric world-space verification of the
fall: hips 0.88->0.14m) and exported per-action FBX (Key All Bones, Force
Start/End Keying, FBX Units Scale). Imported as HUMANOID - the project's
pipeline is Human rigs (CharactersAvatar isHuman=true; CLAUDE.md's 'Generic'
note was stale), so muscle-space retargeting plays these on the player AND
every monster rig with zero bone-path matching. CopyFromOther failed on the
Blender-added 'Armature' node (hierarchy mismatch) -> CreateFromThisModel;
root motion fully baked into pose (the CC owns the transform).

- A_Death_FallBack (0.90s = exactly the 54-tick corpse window): recoil ->
  fall -> flat on the back -> settle. Wired as the Death state on BOTH
  controllers, replacing the crouch-idle placeholder.
- A_Fire_OneHand (0.4s): new IsFiring param + Fire state on the player
  controller; PlayerAnimationDriveSystem routes FireActive to it (melee owns
  IsAttacking again).
- A_Dash_Lean (0.33s): new IsDashing param + Dash state; driven from the
  local player's predicted DashState window (not replicated -> remotes skip).
- A_HitReact (0.27s): imported + avatar'd, wiring deferred (needs a
  replicated hit-tick source; body flash covers the read today).

456/456 EditMode; Play-validated: forced IsDead renders the soldier flat on
the ground in-game (Blender->FBX->Humanoid->Rukhanka chain proven), Fire
state enters and plays; console clean.

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

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