Slice 1: combat readability + HUD declutter (DR-038)

Four playtest do-now wins:
- Enemy health bars: pooled world-space Canvas, on-damage-sticky + fade,
  always-on <25% HP (CombatFeedbackSystem; no new replication).
- Telegraph fix: new baked client-safe EnemyTelegraph sizes the danger-cone ramp
  per enemy (0->1 ending at impact, fixes the Charger plateau); windup 18->22;
  a windup scale-pulse.
- Build-mode toggle: BuildPaletteState.PaletteOpen hides the palette by default,
  Tab / gamepad-Y toggles, with a discovery chip (HudSystem/BuildSendSystem).
- Charger committed-lunge tell: [GhostEnabledBit] IsLunging derived once/tick from
  LungeState (the Dead idiom); the danger cone persists through the lunge.

345/345 EditMode (+3 IsLunging derive tests); Play-validated: ghost-hash change
did not break the handshake, bake correct (telegraph on all enemies, IsLunging
baked-disabled on the Charger, replicated to client), no runtime errors.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Assets/_Project/Scripts/Simulation/Tuning.cs

@@ -48,8 +48,9 @@ namespace ProjectM.Simulation
 
         // ---- Husk attack telegraph (EnemyAISystem 2-phase strike; client cue in CombatFeedbackSystem) ----
 
-        /// <summary>Wind-up ticks before a Husk strike lands (~0.3s @ 60 ticks/sec). 0/1 = near-instant (legacy behaviour).</summary>
-        public const int AttackWindupTicks = 18;
+        /// <summary>Wind-up ticks before a Husk strike lands (~0.37s @ 60 ticks/sec) — sized for a fair tell
+        /// under interp lag (>= ~250ms reaction + interp buffer; Slice 1 readability). 0/1 = near-instant (legacy).</summary>
+        public const int AttackWindupTicks = 22;
 
         // ---- Production / automation (M7: Harvester/Conveyor/Fabricator) ----