Task 1: Add Hybrid Skills - Pact-Weaving, Guardian Constructs, Enchanted Golemancy

- Implement Pact-Weaving (Invoker + Enchanter) hybrid skill
  * Paths: The Weaver, The Warp, The World-Weaver
  * Weave Guardian essence into weapon enchantments/world-effects
  * Requires: Invoker 5+, Enchanter 5+

- Implement Guardian Constructs (Fabricator + Invoker) hybrid skill
  * Paths: The Architect, The Monumentalist, The Eternal
  * Only 1 active at a time, vastly more durable
  * Requires: Fabricator 5+, Invoker 5+

- Implement Enchanted Golemancy (Fabricator + Enchanter) hybrid skill
  * Paths: The Battle-Smith, The Enchanter-Smith, The Spell-Smith
  * Imbue golems with elemental spell logic
  * Requires: Fabricator 5+, Enchanter 5+

- All 512 tests passing

src/lib/game/constants.ts

@@ -1222,6 +1222,43 @@ export const SKILLS_DEF: Record<string, SkillDef> = {
   // Advanced Golemancy
   advancedGolemancy: { name: "Advanced Golemancy", desc: "Unlock hybrid golem recipes", cat: "golemancy", max: 1, base: 800, studyTime: 16, req: { golemMastery: 1 }, attunementReq: { fabricator: 5 } },
   golemResonance:    { name: "Golem Resonance", desc: "+1 golem slot at Fabricator 10", cat: "golemancy", max: 1, base: 1200, studyTime: 24, req: { golemMastery: 1 }, attunementReq: { fabricator: 8 } },
+  
+  // ═══════════════════════════════════════════════════════════════════════════
+  // HYBRID SKILLS - Require TWO attunements at level 5+
+  // ═══════════════════════════════════════════════════════════════════════════
+  
+  // Pact-Weaving (Invoker + Enchanter)
+  pactWeaving: {
+    name: "Pact-Weaving",
+    desc: "Weave Guardian essence into weapon enchantments OR world-effects",
+    cat: "hybrid",
+    max: 10,
+    base: 750,
+    studyTime: 15,
+    attunementReq: { invoker: 5, enchanter: 5 }
+  },
+  
+  // Guardian Constructs (Fabricator + Invoker)
+  guardianConstructs: {
+    name: "Guardian Constructs",
+    desc: "Build monumental, singular golems. Only 1 active at a time, vastly more durable, costs less maintenance.",
+    cat: "hybrid",
+    max: 10,
+    base: 800,
+    studyTime: 18,
+    attunementReq: { fabricator: 5, invoker: 5 }
+  },
+  
+  // Enchanted Golemancy (Fabricator + Enchanter)
+  enchantedGolemancy: {
+    name: "Enchanted Golemancy",
+    desc: "Imbuing golems with elemental spell logic",
+    cat: "hybrid",
+    max: 10,
+    base: 850,
+    studyTime: 20,
+    attunementReq: { fabricator: 5, enchanter: 5 }
+  },
 };
 
 // ─── Prestige Upgrades ────────────────────────────────────────────────────────