feat(wrapped): 年度总结支持目录/单卡片接口，新增卡片#0/#2

- 新增 /api/wrapped/annual/meta 与 /api/wrapped/annual/cards/{card_id}，用于前端懒加载单页卡片
- 增加卡片 manifest / 缓存版本控制 / 并发锁，避免重复计算与旧缓存串数据
- 新增 Card#0「年度全局概览」：活跃天数、top 联系人/群、常用表达/金句/表情等汇总
- 新增 Card#2「年度消息字数」：收发字数统计 + 类比呈现 + 键盘敲击统计
- 完善 Card#1 赛博作息表：支持更快的索引计算与更丰富的叙事文案

uv.lock

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+version = "0.55.0"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/b4/a4/784cf98c09e0dc22776b0d7d8a4a5b761218bcae4608c2416ce1e167c8af/pypinyin-0.55.0.tar.gz", hash = "sha256:b5711b3a0c6f76e67408ec6b2e3c4987a3a806b7c528076e7c7b86fcf0eaa66b", size = 839836, upload-time = "2025-07-20T12:01:50.657Z" }
+wheels = [
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 [[package]]
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@@ -839,6 +848,7 @@ dependencies = [
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     { name = "psutil" },
     { name = "pycryptodome" },
+    { name = "pypinyin" },
     { name = "python-multipart" },
     { name = "pywin32", marker = "sys_platform == 'win32'" },
     { name = "requests" },
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     { name = "pyinstaller", marker = "extra == 'build'", specifier = ">=6.0.0" },
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