fix(#165,#166,#167,#168,#169,#171,#172): resolve 7 open bug issues

#172 - Grimoire tab: removed dead 'loaded' state guard that permanently showed loading
#169 - Transference Mana Flow: added elements param to checkDisciplinePrerequisites so mana type unlocks are verified
#168 - Perk descriptions: wired 4 broken perks (enchant-2, channel-1, golem-2, efficiency-1) with actual bonus effects; fixed enchant-1 interval (5→50); fixed study-mana-enchantments stat (maxMana→maxManaBonus)
#171 - Shields: removed all shield equipment (4 types), recipes, category, slot mappings; added 'shields' to AGENTS.md banned list
#166 - regenMultiplier: merged disciplineEffects.multipliers.regenMultiplier into computeAllEffects()
#165 - Meditation cap: added meditationCap display to ManaStatsSection UI; updated perk description
#167 - XP accumulation: added Meditative Mastery base discipline with disciplineXpBonus stat; wired into tick pipeline

src/lib/game/effects/discipline-effects.ts

@@ -22,9 +22,14 @@ const KNOWN_BONUS_STATS = new Set([
   'clickManaBonus',
   'baseDamageBonus',
   'elementCapBonus',
+  'elementCap_lightning',
   'meditationCapBonus',
   'pactAffinityBonus',
   'guardianBoonMultiplier',
+  'enchantPower',
+  'golemCapacity',
+  'craftingCostReduction',
+  'disciplineXpBonus',
 ]);
 
 export interface DisciplineEffectsResult {