refactor: enhance routing and state management in CoopBuilder, add migration checks on startup, and update Tailwind configuration for improved component styling

composables/useRunway.ts

@@ -1,13 +1,49 @@
+import { monthlyPayroll } from '~/types/members'
+
 /**
  * Computes months of runway from cash, reserves, and burn rate
  * Formula: (cash + savings) ÷ average monthly burn in scenario
  */
 export const useRunway = () => {
+  const membersStore = useMembersStore()
+  const policiesStore = usePoliciesStore()
+  const budgetStore = useBudgetStore()
+  
   const calculateRunway = (cash: number, savings: number, monthlyBurn: number): number => {
     if (monthlyBurn <= 0) return Infinity
     return (cash + savings) / monthlyBurn
   }
   
+  // Calculate monthly burn based on operating mode
+  const getMonthlyBurn = (mode?: 'minimum' | 'target') => {
+    const operatingMode = mode || policiesStore.operatingMode || 'minimum'
+    
+    // Get payroll costs based on mode
+    const payrollCost = monthlyPayroll(membersStore.members, operatingMode)
+    
+    // Add oncosts
+    const oncostPct = policiesStore.payrollOncostPct || 0
+    const totalPayroll = payrollCost * (1 + oncostPct / 100)
+    
+    // Add overhead costs
+    const overheadCost = budgetStore.overheadCosts.reduce((sum, cost) => sum + (cost.amount || 0), 0)
+    
+    return totalPayroll + overheadCost
+  }
+  
+  // Calculate runway for both modes
+  const getDualModeRunway = (cash: number, savings: number) => {
+    const minBurn = getMonthlyBurn('minimum')
+    const targetBurn = getMonthlyBurn('target')
+    
+    return {
+      minimum: calculateRunway(cash, savings, minBurn),
+      target: calculateRunway(cash, savings, targetBurn),
+      minBurn,
+      targetBurn
+    }
+  }
+  
   const getRunwayStatus = (months: number): 'green' | 'yellow' | 'red' => {
     if (months >= 3) return 'green'
     if (months >= 2) return 'yellow'
@@ -22,6 +58,8 @@ export const useRunway = () => {
   return {
     calculateRunway,
     getRunwayStatus,
-    formatRunway
+    formatRunway,
+    getMonthlyBurn,
+    getDualModeRunway
   }
 }