feat: F014 compare view — side-by-side decision table with AI summary

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/stores/compareStore.ts

@@ -1,27 +1,28 @@
 import { create } from 'zustand'
+import type { UnifiedMatchResult } from '../domain/unifiedResult'
 
-const MAX_COMPARE_ITEMS = 3
+const MAX_COMPARE_ITEMS = 4
 
 interface CompareState {
-  compareTray: string[]
-  addToCompare: (propertyId: string) => void
-  removeFromCompare: (propertyId: string) => void
+  compareItems: UnifiedMatchResult[]
+  addToCompare: (result: UnifiedMatchResult) => void
+  removeFromCompare: (matchId: string) => void
   clearCompare: () => void
-  isInCompare: (propertyId: string) => boolean
+  isInCompare: (matchId: string) => boolean
   isFull: () => boolean
 }
 
 export const useCompareStore = create<CompareState>((set, get) => ({
-  compareTray: [],
-  addToCompare: (propertyId) =>
+  compareItems: [],
+  addToCompare: (result) =>
     set((state) => {
-      if (state.compareTray.length >= MAX_COMPARE_ITEMS) return state
-      if (state.compareTray.includes(propertyId)) return state
-      return { compareTray: [...state.compareTray, propertyId] }
+      if (state.compareItems.length >= MAX_COMPARE_ITEMS) return state
+      if (state.compareItems.some(i => i.matchId === result.matchId)) return state
+      return { compareItems: [...state.compareItems, result] }
     }),
-  removeFromCompare: (propertyId) =>
-    set((state) => ({ compareTray: state.compareTray.filter(id => id !== propertyId) })),
-  clearCompare: () => set({ compareTray: [] }),
-  isInCompare: (propertyId) => get().compareTray.includes(propertyId),
-  isFull: () => get().compareTray.length >= MAX_COMPARE_ITEMS,
+  removeFromCompare: (matchId) =>
+    set((state) => ({ compareItems: state.compareItems.filter(i => i.matchId !== matchId) })),
+  clearCompare: () => set({ compareItems: [] }),
+  isInCompare: (matchId) => get().compareItems.some(i => i.matchId === matchId),
+  isFull: () => get().compareItems.length >= MAX_COMPARE_ITEMS,
 }))