fix: WebDAV 配置激活后 isActive 字段未同步，导致自动备份校验失败

[lostiv]

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• src/store/useAppStore.ts

🚧 Files skipped from review as they are similar to previous changes (1)

• src/store/useAppStore.ts

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📝 Walkthrough

Summary by CodeRabbit

• Bug修复
  • 优化了 WebDAV 配置的持久化与恢复流程：重建时会恢复每项配置的激活标记，并在引用的配置不存在时将激活项清空，避免错误状态。
  • 调整了切换激活配置的行为：设置激活项时会同步更新所有配置，确保只有选中的配置被标记为激活。

Walkthrough

补水时重建并校验 webdavConfigs 的 isActive 标志；激活操作在一次状态更新中同时设置 activeWebDAVConfig 并在 webdavConfigs 中同步 isActive。

变更清单

WebDAV配置状态同步

层 / 文件	摘要
状态补水中的isActive标志重构 src/store/useAppStore.ts	normalizePersistedState 遍历持久化的 webdavConfigs，为每个配置注入 isActive 布尔值（基于 ID 与 activeWebDAVConfig 的匹配），并在引用 ID 不存在时将 activeWebDAVConfig 规范化为 null。
活跃配置更新中的isActive同步 src/store/useAppStore.ts	setActiveWebDAVConfig 动作现在在一次更新中同步修改 webdavConfigs 数组中所有配置的 isActive 状态（匹配的为 true，其他为 false），同时更新 activeWebDAVConfig 字段。

代码审查重点

1. 状态一致性：补水逻辑与激活逻辑的 isActive 计算是否完全一致。
2. 空安全：当 webdavConfigs 或 activeWebDAVConfig 为空/缺失时行为是否明确（返回空数组或 null）。
3. 原子性与响应性：一次性更新多个字段时 Zustand 的订阅/渲染行为是否满足预期。
4. 性能：在大量配置时对数组的每次遍历开销及是否需要优化（节流/增量更新）。

可能相关的PR

• fix: 自动备份400错误修复及配置切换调度缺陷 #18：与活跃 WebDAV 配置变更相关的备份触发逻辑。

建议标签

bug, frontend

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🚥 Pre-merge checks | ✅ 3 | ❌ 1

❌ Failed checks (1 inconclusive)

Check name	Status	Explanation	Resolution
Description check	❓ Inconclusive	PR 描述为空，无法验证其与变更集的相关性。	建议添加 PR 描述，说明问题背景、解决方案和测试验证情况，便于代码审查。

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	PR标题遵循 Conventional Commits 格式 (type: description)，清晰描述了 WebDAV 配置的 isActive 字段同步问题。
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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Actionable comments posted: 1

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Inline comments:
In `@src/store/useAppStore.ts`:
- Around line 358-360: The persisted webdavConfigs mapping sets per-config
isActive but does not validate or normalize safePersisted.activeWebDAVConfig,
which can leave activeWebDAVConfig pointing at a deleted id; update the
initialization to compute the normalized active id by mapping
safePersisted.webdavConfigs to include isActive and then set activeWebDAVConfig
to the id of the matched active config (or null) in the same atomic step so
state is consistent—use the same variables (safePersisted, webdavConfigs,
activeWebDAVConfig) and ensure activeWebDAVConfig is cleared or replaced when no
config matches.

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• src/store/useAppStore.ts

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src/store/**

⚙️ CodeRabbit configuration file

src/store/**: Zustand 状态管理。审查时请关注： 1. 持久化存储（IndexedDB）的数据结构和版本迁移 2. Selector 的细粒度订阅（避免不必要的重渲染） 3. 敏感数据是否被持久化到客户端 4. 状态更新的原子性和一致性

Files:

• src/store/useAppStore.ts

🔇 Additional comments (1)

src/store/useAppStore.ts (1)

895-898: setActiveWebDAVConfig 的原子更新实现正确

同一次 set 内同步更新 activeWebDAVConfig 与每个配置的 isActive，能有效避免激活状态分裂，方向正确。

As per coding guidelines src/store/**: “状态更新的原子性和一致性”。