fix: resolve priority 4 issues — discipline mutation, skill→discipline migration, uiStore persistence, game loop interval, toast listener leak, page re-renders

- Issue 70: Fix discipline-slice.ts nested element mutation (use immutable spread)
- Issue 71: Add persist middleware to uiStore for paused/gameOver/victory
- Issue 72: Wire discipline effects into calcDamage (spell-casting, void-manipulation)
- Issue 73: Fix useGameLoop interval recreation (use getState() + empty deps)
- Issue 74: Fix use-toast.ts listener leak (change [state] dep to [])
- Issue 75: Reduce page.tsx re-renders with useShallow for multi-field subscriptions
- Issue 76: Fix createGatherMana hardcoded click mana (use computeClickMana with discipline effects)
- Issue 77: Pass discipline effects to computeMaxMana/computeRegen/calcInsight in tick()
- Export DisciplineBonuses type and useDisciplineStore from barrel exports
- Update tests to match new function signatures

docs/circular-deps.txt

@@ -1,8 +1,8 @@
 # Circular Dependencies
-Generated: 2026-05-19T10:35:03.017Z
+Generated: 2026-05-19T10:51:45.659Z
 Found: 3 circular chain(s) — these MUST be fixed before modifying involved files.
 
-1. Processed 121 files (1.2s) (4 warnings)
+1. Processed 121 files (1.3s) (4 warnings)
 2. 1) data/equipment/index.ts > data/equipment/utils.ts
 3. 2) data/golems/index.ts > data/golems/utils.ts
 

docs/dependency-graph.json

@@ -1,6 +1,6 @@
 {
   "_meta": {
-    "generated": "2026-05-19T10:35:01.630Z",
+    "generated": "2026-05-19T10:51:44.106Z",
     "description": "Import dependency graph for src/lib/game. Keys are files, values are arrays of files they import.",
     "usage": "To find what a file affects, search for its path in the VALUES. To find what a file depends on, look at its KEY entry."
   },