feat(mod-queue): add minutes support to alert threshold

src/stores/use-mod-queue-store.ts

@@ -1,21 +1,57 @@
 import { create } from 'zustand';
 import { persist } from 'zustand/middleware';
 
+export type AlertThresholdUnit = 'hours' | 'minutes';
+
 interface ModQueueState {
-  alertThresholdHours: number;
+  alertThresholdValue: number;
+  alertThresholdUnit: AlertThresholdUnit;
   selectedBoardFilter: string | null;
-  setAlertThresholdHours: (hours: number) => void;
+  setAlertThreshold: (value: number, unit: AlertThresholdUnit) => void;
   setSelectedBoardFilter: (boardAddress: string | null) => void;
+  // Helper to get threshold in seconds for calculations
+  getAlertThresholdSeconds: () => number;
 }
 
 const useModQueueStore = create<ModQueueState>()(
   persist(
-    (set) => ({
-      alertThresholdHours: 6,
-      selectedBoardFilter: null,
-      setAlertThresholdHours: (hours) => set({ alertThresholdHours: hours }),
-      setSelectedBoardFilter: (boardAddress) => set({ selectedBoardFilter: boardAddress }),
-    }),
+    (set, get) => {
+      // Migration: Check for old format in localStorage
+      let initialState = { alertThresholdValue: 6, alertThresholdUnit: 'hours' as AlertThresholdUnit };
+      if (typeof window !== 'undefined') {
+        try {
+          const stored = localStorage.getItem('mod-queue-storage');
+          if (stored) {
+            const parsed = JSON.parse(stored);
+            // If old format exists, migrate it
+            if (parsed.state?.alertThresholdHours !== undefined) {
+              initialState = {
+                alertThresholdValue: parsed.state.alertThresholdHours,
+                alertThresholdUnit: 'hours',
+              };
+            } else if (parsed.state?.alertThresholdValue !== undefined) {
+              initialState = {
+                alertThresholdValue: parsed.state.alertThresholdValue,
+                alertThresholdUnit: parsed.state.alertThresholdUnit || 'hours',
+              };
+            }
+          }
+        } catch (e) {
+          // Ignore parse errors, use defaults
+        }
+      }
+
+      return {
+        ...initialState,
+        selectedBoardFilter: null,
+        setAlertThreshold: (value, unit) => set({ alertThresholdValue: value, alertThresholdUnit: unit }),
+        setSelectedBoardFilter: (boardAddress) => set({ selectedBoardFilter: boardAddress }),
+        getAlertThresholdSeconds: () => {
+          const { alertThresholdValue, alertThresholdUnit } = get();
+          return alertThresholdUnit === 'hours' ? alertThresholdValue * 3600 : alertThresholdValue * 60;
+        },
+      };
+    },
     {
       name: 'mod-queue-storage',
     },