Fix 3 bugs: equip crash, enchantment not processing, spire spell casting

Bug 1: EquipmentTab handleEquip was passing useCombatStore to equipItem()
which needs the crafting store (has equipmentInstances/equippedInstances).
Fixed by using useCraftingStore instead.

Bug 2: processCraftingTick() from crafting-slice.ts was never called in the
game tick loop. Added call in tick-logic.ts when currentAction is
'design'/'prepare'/'enchant'/'craft' so enchantment progress advances.

Bug 3: equipmentSpellStates was initialized as [] and never populated from
equipped items. Added logic in tick-logic.ts to build equipmentSpellStates
from active equipment spells when climbing (currentAction === 'climb').

docs/project-structure.txt

@@ -5,16 +5,18 @@ Mana-Loop/
 ├── .husky/
 │   ├── scripts/
 │   │   ├── check-file-size.js
+│   │   ├── generate-dependency-graph.js
 │   │   └── generate-project-tree.js
 │   ├── post-merge
 │   └── pre-commit
 ├── db/
 │   └── custom.db
 ├── docs/
+│   ├── strategy/
+│   │   └── overall-remediation-plan.md
 │   ├── GAME_BRIEFING.md
-│   ├── PLAN-SpireTab-refresh.md
-│   ├── SPEC-SpireTab-refresh.md
-│   ├── TASKS-SpireTab-refresh.md
+│   ├── circular-deps.txt
+│   ├── dependency-graph.json
 │   ├── project-structure.txt
 │   └── skills.md
 ├── download/