chore: update skills package manager

Author: SoonIter

.agents/skills/add-doc-anchor-ids/SKILL.md

@@ -3,7 +3,7 @@ name: add-doc-anchor-ids
 description: Align Rspress heading anchor IDs between English and Chinese docs. Use for MDX `\{#...}` anchors, shortened hashes, redundant anchors, or dead links.
 ---
 
-# Add Doc Anchor IDs
+# Add doc anchor IDs
 
 Use this skill for Rspress docs mirrored under `website/docs/en` and `website/docs/zh`.
 
@@ -80,7 +80,7 @@ Use this skill for Rspress docs mirrored under `website/docs/en` and `website/do
 
 8. If there is an existing repository command for docs link checking or docs build, run it. Otherwise, inspect changed hashes with `rg` and verify each target heading exists in the target file.
 
-## Rspress Anchor Notes
+## Rspress anchor notes
 
 - Rspress/GitHub-style anchors lowercase headings and remove punctuation such as `.` from API names; verify these IDs instead of guessing.
 - Some characters are preserved by the actual Rspress slugger, such as underscores in `BASE_URL`; avoid guessing when a link already works.

.agents/skills/create-draft-release-notes/SKILL.md

@@ -3,7 +3,7 @@ name: docs-en-improvement
 description: Improve English documentation under `website/docs/en` by rewriting unnatural translated sentences into clear, professional English while preserving meaning. Use when editing or polishing English docs.
 ---
 
-# Docs En Improvement
+# Docs en improvement
 
 ## Steps
 

.agents/skills/create-draft-release-notes/scripts/create-draft-release-notes.mjs

@@ -3,7 +3,7 @@ name: release-core
 description: Use when asked to release `@rsbuild/core` for a specific version.
 ---
 
-# Release Core
+# Release core
 
 ## Input