feat: add equipment set bonuses and boss bounty runestones

- Define EquipmentSet type + computeSetBonuses utility in packages/types
- Add setId field to Equipment type and assign sets to 27 equipment items
- Create 9 named equipment sets (Iron Vanguard → Eternal Throne) with 2pc/3pc bonuses
- Apply set combat multiplier in boss route
- Apply set gold/click multipliers in tick engine and click handler
- Include set bonuses in anti-cheat delta validation
- Show active set bonus strip + set badge per card in EquipmentPanel
- Add boss first-kill bounty runestones (scaling 1–10 per boss tier)
- Update AboutPanel and IDEAS.md

apps/web/src/data/equipmentSets.ts

@@ -0,0 +1,94 @@
+import type { EquipmentSet } from "@elysium/types";
+
+export const EQUIPMENT_SETS: EquipmentSet[] = [
+  {
+    id: "iron_vanguard",
+    name: "Iron Vanguard",
+    description: "The armaments of a seasoned guild soldier — proven steel, reliable gold.",
+    pieces: ["iron_sword", "chainmail", "mages_focus"],
+    bonuses: {
+      2: { goldMultiplier: 1.1 },
+      3: { combatMultiplier: 1.1 },
+    },
+  },
+  {
+    id: "shadow_infiltrator",
+    name: "Shadow Infiltrator",
+    description: "Gear forged from the Shadow Marshes themselves — unseen, unstoppable.",
+    pieces: ["shadow_dagger", "void_shroud", "void_compass"],
+    bonuses: {
+      2: { goldMultiplier: 1.15 },
+      3: { clickMultiplier: 1.2 },
+    },
+  },
+  {
+    id: "volcanic_forger",
+    name: "Volcanic Forger",
+    description: "Weapons and armour tempered in the depths of the Volcanic Reaches.",
+    pieces: ["flame_lance", "volcanic_plate", "crystal_shard"],
+    bonuses: {
+      2: { combatMultiplier: 1.15 },
+      3: { goldMultiplier: 1.15 },
+    },
+  },
+  {
+    id: "celestial_guardian",
+    name: "Celestial Guardian",
+    description: "Relics of the Celestial Reaches — divine power made manifest.",
+    pieces: ["seraph_wing", "celestial_armour", "angels_halo"],
+    bonuses: {
+      2: { combatMultiplier: 1.2 },
+      3: { goldMultiplier: 1.2 },
+    },
+  },
+  {
+    id: "abyssal_predator",
+    name: "Abyssal Predator",
+    description: "Trophies reclaimed from the deepest trenches of the Abyssal Reaches.",
+    pieces: ["depth_blade", "pressure_plate", "leviathan_eye"],
+    bonuses: {
+      2: { goldMultiplier: 1.2 },
+      3: { clickMultiplier: 1.25 },
+    },
+  },
+  {
+    id: "infernal_conqueror",
+    name: "Infernal Conqueror",
+    description: "Forged in the heart of the Infernal Court from the essence of the defeated.",
+    pieces: ["hellfire_edge", "demon_hide", "soul_gem"],
+    bonuses: {
+      2: { combatMultiplier: 1.25 },
+      3: { goldMultiplier: 1.25 },
+    },
+  },
+  {
+    id: "crystal_domain",
+    name: "Crystal Domain",
+    description: "Instruments of the Crystalline Spire — reality refracted into absolute efficiency.",
+    pieces: ["prism_blade", "faceted_armour", "prism_eye"],
+    bonuses: {
+      2: { clickMultiplier: 1.25 },
+      3: { goldMultiplier: 1.25 },
+    },
+  },
+  {
+    id: "void_emperor",
+    name: "Void Emperor",
+    description: "The regalia of the Void Sanctum's lord — power carved from absolute nothingness.",
+    pieces: ["void_annihilator", "eternal_shroud", "void_heart_gem"],
+    bonuses: {
+      2: { goldMultiplier: 1.3 },
+      3: { combatMultiplier: 1.3 },
+    },
+  },
+  {
+    id: "eternal_throne",
+    name: "Eternal Throne",
+    description: "The armaments of the Eternal Throne — weapons and armour that have endured all of time.",
+    pieces: ["throne_blade", "eternal_armour", "eternity_stone"],
+    bonuses: {
+      2: { combatMultiplier: 1.35, goldMultiplier: 1.25 },
+      3: { clickMultiplier: 1.35 },
+    },
+  },
+];