feat: 新增多语言README并优化文档结构

新增德语、俄语、韩语、繁体中文多语言README，英文与简体中文README同步优化，统一下载链接与徽章样式，完善多语言入口。提升国际化支持与文档可读性。

src/logic/unlockLogic.ts

@@ -0,0 +1,135 @@
+/**
+ * 解锁检查逻辑
+ * 用于检测建筑/科技完成后新解锁的内容
+ */
+
+import { BuildingType, TechnologyType, type Planet } from '@/types/game'
+import { BUILDINGS, TECHNOLOGIES } from '@/config/gameConfig'
+import * as buildingLogic from './buildingLogic'
+import * as researchLogic from './researchLogic'
+
+export interface UnlockedItem {
+  type: 'building' | 'technology'
+  id: BuildingType | TechnologyType
+  name: string
+}
+
+/**
+ * 检查哪些建筑在完成建筑/科技后被新解锁
+ */
+export const checkNewlyUnlockedBuildings = (
+  planet: Planet,
+  technologies: Partial<Record<TechnologyType, number>>,
+  previousBuildings: Partial<Record<BuildingType, number>>,
+  previousTechnologies: Partial<Record<TechnologyType, number>>
+): UnlockedItem[] => {
+  const newlyUnlocked: UnlockedItem[] = []
+
+  // 遍历所有建筑类型
+  for (const buildingType of Object.values(BuildingType)) {
+    const config = BUILDINGS[buildingType]
+    if (!config) continue
+
+    // 跳过已经建造过的建筑（等级 > 0）
+    if ((planet.buildings[buildingType] || 0) > 0) continue
+
+    // 检查之前是否已解锁
+    const wasUnlockedBefore = checkBuildingRequirementsWith(buildingType, previousBuildings, previousTechnologies)
+
+    // 检查现在是否解锁
+    const isUnlockedNow = buildingLogic.checkBuildingRequirements(buildingType, planet, technologies)
+
+    // 如果之前未解锁，现在解锁了，则是新解锁
+    if (!wasUnlockedBefore && isUnlockedNow) {
+      newlyUnlocked.push({
+        type: 'building',
+        id: buildingType,
+        name: config.name
+      })
+    }
+  }
+
+  return newlyUnlocked
+}
+
+/**
+ * 检查哪些科技在完成建筑/科技后被新解锁
+ */
+export const checkNewlyUnlockedTechnologies = (
+  buildings: Partial<Record<BuildingType, number>>,
+  technologies: Partial<Record<TechnologyType, number>>,
+  previousBuildings: Partial<Record<BuildingType, number>>,
+  previousTechnologies: Partial<Record<TechnologyType, number>>
+): UnlockedItem[] => {
+  const newlyUnlocked: UnlockedItem[] = []
+
+  // 遍历所有科技类型
+  for (const techType of Object.values(TechnologyType)) {
+    const config = TECHNOLOGIES[techType]
+    if (!config) continue
+
+    // 跳过已经研究过的科技（等级 > 0）
+    if ((technologies[techType] || 0) > 0) continue
+
+    // 检查之前是否已解锁
+    const wasUnlockedBefore = researchLogic.checkTechnologyRequirements(techType, previousBuildings, previousTechnologies)
+
+    // 检查现在是否解锁
+    const isUnlockedNow = researchLogic.checkTechnologyRequirements(techType, buildings, technologies)
+
+    // 如果之前未解锁，现在解锁了，则是新解锁
+    if (!wasUnlockedBefore && isUnlockedNow) {
+      newlyUnlocked.push({
+        type: 'technology',
+        id: techType,
+        name: config.name
+      })
+    }
+  }
+
+  return newlyUnlocked
+}
+
+/**
+ * 使用指定的建筑和科技等级检查建筑需求
+ * （用于与之前状态比较）
+ */
+const checkBuildingRequirementsWith = (
+  buildingType: BuildingType,
+  buildings: Partial<Record<BuildingType, number>>,
+  technologies: Partial<Record<TechnologyType, number>>
+): boolean => {
+  const config = BUILDINGS[buildingType]
+  const requirements = (config as any).requirements
+  if (!requirements) return true
+
+  for (const [key, level] of Object.entries(requirements)) {
+    const requiredLevel = level as number
+    if (Object.values(BuildingType).includes(key as BuildingType)) {
+      if ((buildings[key as BuildingType] || 0) < requiredLevel) {
+        return false
+      }
+    } else if (Object.values(TechnologyType).includes(key as TechnologyType)) {
+      if ((technologies[key as TechnologyType] || 0) < requiredLevel) {
+        return false
+      }
+    }
+  }
+  return true
+}
+
+/**
+ * 检查所有新解锁的内容（建筑 + 科技）
+ */
+export const checkAllNewlyUnlocked = (
+  planet: Planet,
+  technologies: Partial<Record<TechnologyType, number>>,
+  previousBuildings: Partial<Record<BuildingType, number>>,
+  previousTechnologies: Partial<Record<TechnologyType, number>>
+): UnlockedItem[] => {
+  const unlockedBuildings = checkNewlyUnlockedBuildings(planet, technologies, previousBuildings, previousTechnologies)
+
+  const unlockedTechnologies = checkNewlyUnlockedTechnologies(planet.buildings, technologies, previousBuildings, previousTechnologies)
+
+  return [...unlockedBuildings, ...unlockedTechnologies]
+}