feat: scale guardian pact cost with HP, power, and armor

src/lib/game/data/guardian-data.ts

@@ -17,6 +17,11 @@ function hp(floor: number): number {
   return Math.floor(base * Math.pow(floor / 10, exponent));
 }
 
+// Helper: pact cost scales with guardian HP, power, and armor
+function pactCost(hpVal: number, power: number, armor: number): number {
+  return Math.floor(hpVal * 0.3 + power * 5 + hpVal * armor * 0.5);
+}
+
 // ─── Base Elements (Floors 10–70) ────────────────────────────────────────────
 
 const BASE_GUARDIANS: Record<number, GuardianDef> = {
@@ -28,7 +33,7 @@ const BASE_GUARDIANS: Record<number, GuardianDef> = {
       { type: 'elementalDamage', value: 5, desc: '+5% Fire damage' },
       { type: 'maxMana', value: 50, desc: '+50 max mana' },
     ],
-    pactCost: 500, pactTime: 2,
+    pactCost: pactCost(hp(10), 50, 0.10), pactTime: 2,
     uniquePerk: 'Fire spells cast 10% faster',
     power: 50,
     effects: [{ type: 'burn', value: 0.1 }],
@@ -43,7 +48,7 @@ const BASE_GUARDIANS: Record<number, GuardianDef> = {
       { type: 'elementalDamage', value: 5, desc: '+5% Water damage' },
       { type: 'manaRegen', value: 0.5, desc: '+0.5 mana regen' },
     ],
-    pactCost: 1000, pactTime: 4,
+    pactCost: pactCost(hp(20), 150, 0.15), pactTime: 4,
     uniquePerk: 'Water spells deal +15% damage',
     power: 150,
     effects: [{ type: 'armor_pierce', value: 0.15 }],
@@ -58,7 +63,7 @@ const BASE_GUARDIANS: Record<number, GuardianDef> = {
       { type: 'elementalDamage', value: 5, desc: '+5% Air damage' },
       { type: 'castingSpeed', value: 5, desc: '+5% casting speed' },
     ],
-    pactCost: 2000, pactTime: 6,
+    pactCost: pactCost(hp(30), 300, 0.18), pactTime: 6,
     uniquePerk: 'Air spells have 15% crit chance',
     power: 300,
     effects: [{ type: 'cast_speed', value: 0.05 }],
@@ -73,7 +78,7 @@ const BASE_GUARDIANS: Record<number, GuardianDef> = {
       { type: 'elementalDamage', value: 5, desc: '+5% Earth damage' },
       { type: 'maxMana', value: 100, desc: '+100 max mana' },
     ],
-    pactCost: 4000, pactTime: 8,
+    pactCost: pactCost(hp(40), 500, 0.25), pactTime: 8,
     uniquePerk: 'Earth spells deal +25% damage to guardians',
     power: 500,
     effects: [{ type: 'armor_pierce', value: 0.2 }],
@@ -88,7 +93,7 @@ const BASE_GUARDIANS: Record<number, GuardianDef> = {
       { type: 'elementalDamage', value: 10, desc: '+10% Light damage' },
       { type: 'insightGain', value: 10, desc: '+10% insight gain' },
     ],
-    pactCost: 8000, pactTime: 10,
+    pactCost: pactCost(hp(50), 800, 0.20), pactTime: 10,
     uniquePerk: 'Light spells reveal enemy weaknesses (+20% damage)',
     power: 800,
     effects: [{ type: 'crit_chance', value: 0.1 }],
@@ -103,7 +108,7 @@ const BASE_GUARDIANS: Record<number, GuardianDef> = {
       { type: 'elementalDamage', value: 10, desc: '+10% Dark damage' },
       { type: 'critDamage', value: 15, desc: '+15% crit damage' },
     ],
-    pactCost: 15000, pactTime: 12,
+    pactCost: pactCost(hp(60), 1200, 0.22), pactTime: 12,
     uniquePerk: 'Dark spells deal +25% damage to armored enemies',
     power: 1200,
     effects: [{ type: 'crit_damage', value: 0.15 }],
@@ -118,7 +123,7 @@ const BASE_GUARDIANS: Record<number, GuardianDef> = {
       { type: 'elementalDamage', value: 10, desc: '+10% Death damage' },
       { type: 'rawDamage', value: 10, desc: '+10% raw damage' },
     ],
-    pactCost: 25000, pactTime: 14,
+    pactCost: pactCost(hp(70), 2500, 0.25), pactTime: 14,
     uniquePerk: 'Death spells execute enemies below 20% HP',
     power: 2500,
     effects: [{ type: 'raw_damage', value: 0.1 }],
@@ -135,7 +140,7 @@ const BASE_GUARDIANS: Record<number, GuardianDef> = {
       { type: 'maxMana', value: 150, desc: '+150 max mana' },
       { type: 'manaRegen', value: 1.0, desc: '+1.0 mana regen' },
     ],
-    pactCost: 35000, pactTime: 16,
+    pactCost: pactCost(hp(80), 3500, 0.20), pactTime: 16,
     uniquePerk: 'Transference spells have 25% reduced cost',
     power: 3500,
     effects: [{ type: 'cost_reduction', value: 0.25 }],
@@ -152,7 +157,7 @@ const BASE_GUARDIANS: Record<number, GuardianDef> = {
       { type: 'elementalDamage', value: 15, desc: '+15% Metal damage' },
       { type: 'maxMana', value: 150, desc: '+150 max mana' },
     ],
-    pactCost: 60000, pactTime: 18,
+    pactCost: pactCost(hp(90), 6000, 0.30), pactTime: 18,
     uniquePerk: 'Metal spells pierce 20% armor',
     power: 6000,
     effects: [{ type: 'armor_pierce', value: 0.2 }],
@@ -167,7 +172,7 @@ const BASE_GUARDIANS: Record<number, GuardianDef> = {
       { type: 'elementalDamage', value: 15, desc: '+15% Sand damage' },
       { type: 'manaRegen', value: 1.5, desc: '+1.5 mana regen' },
     ],
-    pactCost: 80000, pactTime: 20,
+    pactCost: pactCost(hp(100), 8000, 0.25), pactTime: 20,
     uniquePerk: 'Sand spells slow enemies by 25%',
     power: 8000,
     effects: [{ type: 'slow', value: 0.25 }],
@@ -182,7 +187,7 @@ const BASE_GUARDIANS: Record<number, GuardianDef> = {
       { type: 'elementalDamage', value: 15, desc: '+15% Lightning damage' },
       { type: 'castingSpeed', value: 15, desc: '+15% casting speed' },
     ],
-    pactCost: 100000, pactTime: 22,
+    pactCost: pactCost(hp(110), 10000, 0.22), pactTime: 22,
     uniquePerk: 'Lightning spells chain to 2 additional targets',
     power: 10000,
     effects: [{ type: 'chain', value: 2 }],
@@ -200,7 +205,7 @@ const BASE_GUARDIANS: Record<number, GuardianDef> = {
       { type: 'maxMana', value: 300, desc: '+300 max mana' },
       { type: 'manaRegen', value: 2, desc: '+2 mana regen' },
     ],
-    pactCost: 150000, pactTime: 26,
+    pactCost: pactCost(hp(120), 15000, 0.35), pactTime: 26,
     uniquePerk: 'Crystal spells reflect 15% damage back to attackers',
     power: 15000,
     effects: [{ type: 'reflect', value: 0.15 }],
@@ -215,7 +220,7 @@ const BASE_GUARDIANS: Record<number, GuardianDef> = {
       { type: 'elementalDamage', value: 25, desc: '+25% Stellar damage' },
       { type: 'insightGain', value: 20, desc: '+20% insight gain' },
     ],
-    pactCost: 200000, pactTime: 30,
+    pactCost: pactCost(hp(130), 20000, 0.30), pactTime: 30,
     uniquePerk: 'Stellar spells deal +30% damage at night',
     power: 20000,
     effects: [{ type: 'night_bonus', value: 0.3 }],
@@ -231,7 +236,7 @@ const BASE_GUARDIANS: Record<number, GuardianDef> = {
       { type: 'rawDamage', value: 15, desc: '+15% raw damage' },
       { type: 'maxMana', value: 400, desc: '+400 max mana' },
     ],
-    pactCost: 300000, pactTime: 34,
+    pactCost: pactCost(hp(140), 30000, 0.35), pactTime: 34,
     uniquePerk: 'Void spells ignore 40% of all resistances',
     power: 30000,
     effects: [{ type: 'resist_ignore', value: 0.4 }],