docs: run vp without the ne prefix

notes/design.md

@@ -3364,13 +3364,13 @@ oxlint はスレッド 1 本につき約 6.4 GB のアドレス空間を予約
 
 ### 14.10 テストの穴、2026-09-08 棚卸し
 
-**検証方法を先に。** カバレッジ率ではなく**変異テスト**で見る。ソースの一箇所を壊し、`ne vp test
+**検証方法を先に。** カバレッジ率ではなく**変異テスト**で見る。ソースの一箇所を壊し、`vp test
 tests/lint` が落ちるかを確かめる。落ちなければ、そこはテストが 1 行も守っていない。
 
 ```sh
 cp src/lint/rules/equals/paths.ts /tmp/m.bak
 perl -0pi -e 's/const found = \[path\];/const found = [path];\n  return found;/' src/lint/rules/equals/paths.ts
-ne vp test tests/lint    # 通ってしまうなら未カバー
+vp test tests/lint    # 通ってしまうなら未カバー
 cp /tmp/m.bak src/lint/rules/equals/paths.ts
 ```
 

skills/proofread/SKILL.md

@@ -110,8 +110,8 @@ git diff -U0 HEAD -- '*.md' | grep -nE 'is yours|are yours|yours to|hands? back|
 
 ## 4. Let the sample carry the claim
 
-A claim that fits a sample belongs in a fenced block, where `ne vp test docs/tools/twoslash` checks
-it on every run. A negative claim fits too: declare the error code the reader would hit, as
+A claim that fits a sample belongs in a fenced block, where `vp test docs/tools/twoslash` checks it
+on every run. A negative claim fits too: declare the error code the reader would hit, as
 `// @errors: 2339`. A code declared and never raised fails the test.
 
 Use a throwaway probe only where the claim stays in prose, or is about something the book does not
@@ -130,6 +130,6 @@ Say plainly where a sentence's intent is unclear rather than guessing at a rewri
 Then run `vp fmt` on what changed, and the docs typecheck when a fenced sample moved:
 
 ```sh
-ne vp fmt <files>
-ne vp test docs/tools/twoslash
+vp fmt <files>
+vp test docs/tools/twoslash
 ```

skills/test-audit/SKILL.md

@@ -72,7 +72,7 @@ A test that passes whatever the source does. Break the source it covers, run it,
 red:
 
 ```sh
-ne vp test tests/val.test.ts
+vp test tests/val.test.ts
 ```
 
 What to look for first: