G6+G4: Cone damage-at-contact + zone fill telegraph (ZoneEffect GhostFields) + co-op saturation budget

Cone/SpecialSlam damage lands at its visual contact via ConeContactPending (knob 32, 0=legacy;
early-flush + resolve re-validate; death + BOTH class-swap paths drop armed pendings — fixes the
shipped melee death-strand in the same stroke). Zones: [GhostField] Caster/Radius/NextTick +
ZoneTelegraphSystem (Geyser latch contract on InterpolationTick; rim = true radius; arm grows,
persistent phase drains). Cone cues latch to contact (FireStartRaw, C14); TuningConfig.Defaults()
fallback at client cue sites (release-build timing fix). G4: SaturationMath ally-FX degrade
(living-enemy census, solo-exempt; enemy telegraphs structurally exempt) + CombatStressDebug +
overlay saturation rows. Reviews wf_98bf1268 (13 confirmed folded) / wf_9757d214 (5 confirmed fixed).

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

Assets/_Project/Scripts/Simulation/Combat/SparkEffectComponents.cs

@@ -1,32 +1,42 @@
 using Unity.Entities;
+using Unity.NetCode;
 
 namespace ProjectM.Simulation
 {
     /// <summary>
-    /// SERVER-ONLY periodic-AoE state on a player-cast zone ghost (Vortex / LightZone) — the LANTERN Aoe/zone
-    /// archetype. NOT a <c>[GhostField]</c>: the zone is a server-spawned INTERPOLATED ownerless ghost whose
-    /// position replicates via the stock LocalTransform variant; only its damage schedule lives here, server-side.
-    /// <c>ZonePulseSystem</c> borrows the <c>GeyserEruptSystem</c> skeleton (the INVERTED invalid-tick guard so a
-    /// born-0 tick never storm-fires + the <c>= now + period</c> reschedule) but is ENEMY-ONLY (no friendly fire),
-    /// stamps <see cref="DamageEvent.SourceNetworkId"/> = <see cref="CasterNetworkId"/> (kills credit the caster,
-    /// feeding KillRewardSystem — NOT the -1 environment convention), and has NO region gate (a no-world gym).
-    /// DestroyEntity when <see cref="ExpireTick"/> elapses.
+    /// Periodic-AoE state on a player-cast zone ghost (Vortex / LightZone) — the LANTERN Aoe/zone archetype.
+    /// The zone is a server-spawned INTERPOLATED ownerless ghost; position replicates via the stock LocalTransform
+    /// variant. 07-21 G6 (design review wf_98bf1268): THREE fields are now <c>[GhostField]</c> so the client can
+    /// draw an HONEST fill telegraph (ZoneTelegraphSystem): <see cref="CasterNetworkId"/> (G3 ownership tint),
+    /// <see cref="Radius"/> (rim = the TRUE folded damage radius) and <see cref="NextTick"/> (fill arrival = the
+    /// damage moment — server mutations propagate to all clients on an ownerless ghost). Damage schedule/amount
+    /// stay server-only. <c>ZonePulseSystem</c> borrows the <c>GeyserEruptSystem</c> skeleton (the INVERTED
+    /// invalid-tick guard so a born-0 tick never storm-fires + the <c>= now + period</c> reschedule) but is
+    /// ENEMY-ONLY (no friendly fire), stamps <see cref="DamageEvent.SourceNetworkId"/> = <see cref="CasterNetworkId"/>
+    /// (kills credit the caster, feeding KillRewardSystem — NOT the -1 environment convention), and has NO region
+    /// gate (a no-world gym). DestroyEntity when <see cref="ExpireTick"/> elapses.
     /// </summary>
     public struct ZoneEffect : IComponentData
     {
-        /// <summary>NetworkId of the casting player (damage/kill attribution).</summary>
-        public int CasterNetworkId;
+        /// <summary>Pulse cadence in ticks — single source for ZonePulseSystem (damage) and ZoneTelegraphSystem
+        /// (the client fill window). Hoisted 07-21 G6 (was ZonePulseSystem.k_PulsePeriodTicks).</summary>
+        public const uint PulsePeriodTicks = 30;
 
-        /// <summary>Planar (XZ) damage radius, world units.</summary>
-        public float Radius;
+        /// <summary>NetworkId of the casting player (damage/kill attribution + the client's mine-vs-ally tint).</summary>
+        [GhostField] public int CasterNetworkId;
 
-        /// <summary>Damage dealt to each living enemy in radius per pulse.</summary>
+        /// <summary>Planar (XZ) damage radius, world units. Replicated so the drawn rim is the TRUE folded radius.</summary>
+        [GhostField(Quantization = 100)] public float Radius;
+
+        /// <summary>Raw next-pulse tick (NonZero). <c>0</c> = unscheduled → lazy-stamped born-correct (GeyserErupt H2
+        /// rule, never storm-fires). Replicated for the client fill: ride the ABSOLUTE tick + a value-latch + a
+        /// was-counting-down arm-guard (the Geyser ★ rule — never edge-detect the re-stamp).</summary>
+        [GhostField] public uint NextTick;
+
+        /// <summary>Damage dealt to each living enemy in radius per pulse. Server-only.</summary>
         public float DamagePerPulse;
 
-        /// <summary>Raw next-pulse tick (NonZero). <c>0</c> = unscheduled → lazy-stamped born-correct (GeyserErupt H2 rule, never storm-fires).</summary>
-        public uint NextTick;
-
-        /// <summary>Raw tick the zone despawns (NonZero). Active while .IsNewerThan(serverTick).</summary>
+        /// <summary>Raw tick the zone despawns (NonZero). Active while .IsNewerThan(serverTick). Server-only.</summary>
         public uint ExpireTick;
 
         /// <summary>See <see cref="ZoneEffectFlag"/>. bit0 = Vortex (also pull enemies toward the zone center each pulse).</summary>