feat: 新增NPC与外交逻辑，优化UI组件结构

重构并精简了部分UI组件，移除冗余弹窗与详情组件，新增NPC相关逻辑（npcBehaviorLogic、npcGrowthLogic、npcStore等）及外交逻辑（diplomaticLogic、DiplomacyView）。完善分页、标签、复选框等通用UI组件。优化战报弹窗，调整README下载链接为相对路径，修复部分国际化内容。

src/components/ui/pagination/PaginationFirst.vue

@@ -0,0 +1,38 @@
+<template>
+  <PaginationFirst
+    data-slot="pagination-first"
+    :class="cn(buttonVariants({ variant: 'ghost', size }), 'gap-1 px-2.5 sm:pr-2.5', props.class)"
+    v-bind="forwarded"
+  >
+    <slot>
+      <ChevronLeftIcon />
+      <span class="hidden sm:block">First</span>
+    </slot>
+  </PaginationFirst>
+</template>
+
+<script setup lang="ts">
+  import type { PaginationFirstProps } from 'reka-ui'
+  import type { HTMLAttributes } from 'vue'
+  import type { ButtonVariants } from '@/components/ui/button'
+  import { reactiveOmit } from '@vueuse/core'
+  import { ChevronLeftIcon } from 'lucide-vue-next'
+  import { PaginationFirst, useForwardProps } from 'reka-ui'
+  import { cn } from '@/lib/utils'
+  import { buttonVariants } from '@/components/ui/button'
+
+  const props = withDefaults(
+    defineProps<
+      PaginationFirstProps & {
+        size?: ButtonVariants['size']
+        class?: HTMLAttributes['class']
+      }
+    >(),
+    {
+      size: 'default'
+    }
+  )
+
+  const delegatedProps = reactiveOmit(props, 'class', 'size')
+  const forwarded = useForwardProps(delegatedProps)
+</script>