新增得獎更新、刪除的功能

contexts/competition-context.tsx

@@ -65,6 +65,8 @@ interface CompetitionContextType {
   loadingAwards: boolean
   loadAwards: () => Promise<void>
   addAward: (award: Omit<Award, "id">) => void
+  updateAward: (award: Award) => void
+  deleteAward: (awardId: string) => void
   getAwardsByYear: (year: number) => Award[]
   getAwardsByMonth: (year: number, month: number) => Award[]
   getAvailableYears: () => number[]
@@ -571,6 +573,34 @@ export function CompetitionProvider({ children }: { children: ReactNode }) {
     })
   }
 
+  const updateAward = (award: Award) => {
+    setAwards((prev) => {
+      const index = prev.findIndex((existingAward) => existingAward.id === award.id)
+      if (index === -1) {
+        console.log('⚠️ 找不到要更新的獎項:', award.id)
+        return prev
+      }
+      
+      console.log('✅ 更新獎項:', award)
+      const updated = [...prev]
+      updated[index] = award
+      return updated
+    })
+  }
+
+  const deleteAward = (awardId: string) => {
+    setAwards((prev) => {
+      const filtered = prev.filter((award) => award.id !== awardId)
+      if (filtered.length === prev.length) {
+        console.log('⚠️ 找不到要刪除的獎項:', awardId)
+        return prev
+      }
+      
+      console.log('✅ 刪除獎項:', awardId)
+      return filtered
+    })
+  }
+
   const getAwardsByYear = (year: number): Award[] => {
     return awards.filter((award) => award.year === year)
   }
@@ -843,6 +873,8 @@ export function CompetitionProvider({ children }: { children: ReactNode }) {
         loadingAwards,
         loadAwards,
         addAward,
+        updateAward,
+        deleteAward,
         getAwardsByYear,
         getAwardsByMonth,
         getAvailableYears,