docs: 修正技能数与包数为实测值（671 技能 / 47 包）

- README.md / README.en.md：460+ → 670+ 技能，42 → 47 个包
  （stars 描述保留不动，与技能数区分开）
- PROVENANCE.md：619 → 671（与包级表格实测合计一致）

实测口径：47 个包的 skills/*/SKILL.md 合计 671 个。

PROVENANCE.md

@@ -52,7 +52,7 @@ are attributed in [`THIRD-PARTY-NOTICES.md`](THIRD-PARTY-NOTICES.md).
 
 ## 3. Skill-level license exceptions
 
-Most of the 619 skills in the collection are Apache-2.0. The following skills carry
+Most of the 671 skills in the collection are Apache-2.0. The following skills carry
 a **different** license and must be treated accordingly.
 
 ### 3.1 Third-party MIT skills (retain original copyright)
@@ -109,7 +109,7 @@ link to the upstream documentation as the source of truth.
 
 ## 4. Package inventory
 
-47 packages, 619 skills. Each is an independent repository under the
+47 packages, 671 skills. Each is an independent repository under the
 `full-stack-skills` GitHub organization.
 
 | Package | Skills | License | Repo |

README.en.md

@@ -2,7 +2,7 @@
 
 # Full Stack Skills
 
-**460+ Agent Skills. 40+ Skills Packages. One Ecosystem.**
+**670+ Agent Skills. 47 Skills Packages. One Ecosystem.**
 
 *Frontend · Backend · Mobile · DevOps · AI Design Tools — production-ready, independently installable.*
 
@@ -26,7 +26,7 @@
 
 ## Introduction
 
-**Full Stack Skills** is the navigation hub for the most comprehensive collection of Agent Skills for AI coding agents. Originally a monorepo with 460+ stars, we've split into **42 independently installable packages** under the [full-stack-skills](https://github.com/full-stack-skills) GitHub organization.
+**Full Stack Skills** is the navigation hub for the most comprehensive collection of Agent Skills for AI coding agents. Originally a monorepo with 460+ stars, we've split into **47 independently installable packages** under the [full-stack-skills](https://github.com/full-stack-skills) GitHub organization.
 
 Each package provides specialized knowledge, workflows, and reference materials that AI agents load on-demand — keeping context footprint minimal while delivering deep domain expertise when needed.
 

README.md

@@ -2,7 +2,7 @@
 
 # Full Stack Skills
 
-**460+ 个 Agent Skills。42+ 个技能包。一个统一生态。**
+**670+ 个 Agent Skills。47 个技能包。一个统一生态。**
 
 *前端 · 后端 · 移动端 · DevOps · AI 设计工具 — 生产级品质，独立安装。*
 
@@ -26,7 +26,7 @@
 
 ## 简介
 
-**Full Stack Skills** 是面向 AI 编码智能体的最全面 Agent Skills 集合的导航站。原为 460+ stars 的 monorepo，现已拆分为 [full-stack-skills](https://github.com/full-stack-skills) GitHub 组织下的 **42 个可独立安装的包**。
+**Full Stack Skills** 是面向 AI 编码智能体的最全面 Agent Skills 集合的导航站。原为 460+ stars 的 monorepo，现已拆分为 [full-stack-skills](https://github.com/full-stack-skills) GitHub 组织下的 **47 个可独立安装的包**。
 
 每个包提供专业知识、工作流和参考资料，AI 智能体按需加载 — 保持上下文占用最小化，同时在需要时提供深度领域专业知识。