fix: resolve bugs #118 #119 #120 #123 and refactor craftingStore init

src/lib/game/stores/discipline-slice.ts

@@ -52,19 +52,29 @@ export const useDisciplineStore = create<DisciplineStore>()(
         set((s) => {
           const def = DISCIPLINE_MAP[id];
           if (!def) return s;
-          if (s.activeIds.includes(id)) return s;
+
+          // Allow re-activation if discipline exists but is paused
+          const existing = s.disciplines[id];
+          if (s.activeIds.includes(id)) {
+            // If already active and paused, un-pause it
+            if (existing?.paused) {
+              return {
+                disciplines: { ...s.disciplines, [id]: { ...existing, paused: false } },
+              };
+            }
+            return s;
+          }
 
           const nonPaused = s.activeIds.filter((aid) => {
             const d = s.disciplines[aid];
             return d && !d.paused;
           }).length;
           if (nonPaused >= s.concurrentLimit) return s;
-          const discState = s.disciplines[id];
-          if (!canProceedDiscipline(def, discState, gameState)) return s;
+          if (!canProceedDiscipline(def, existing, gameState)) return s;
 
-          const existing = s.disciplines[id] || { id, xp: 0, paused: false };
+          const discState = existing || { id, xp: 0, paused: false };
           return {
-            disciplines: { ...s.disciplines, [id]: { ...existing, paused: false } },
+            disciplines: { ...s.disciplines, [id]: { ...discState, paused: false } },
             activeIds: [...s.activeIds, id],
           };
         });
@@ -73,6 +83,9 @@ export const useDisciplineStore = create<DisciplineStore>()(
       deactivate(id) {
         set((s) => ({
           activeIds: s.activeIds.filter((aid) => aid !== id),
+          disciplines: s.disciplines[id]
+            ? { ...s.disciplines, [id]: { ...s.disciplines[id], paused: true } }
+            : s.disciplines,
         }));
       },