test(check): add snap tests for --type-check-only

Five local cases cover the new flag's behaviors, plus the global
`vp check -h` snap is refreshed to include the new flag row:

- pass: no type errors with typeCheck enabled ("Found no type errors")
- fail: type error with typeCheck enabled surfaces TS2322 via tsgolint
- no-typecheck-config: `lint.options.typeCheck: false` does not suppress
  type errors when the flag is set
- conflict-fix: `--type-check-only --fix` rejected with a clear message
- conflict-no-lint: `--type-check-only --no-lint` rejected likewise

oxlint's `--type-check-only` output uses the same
"Found N error and M warning ... Finished in ..." summary that the
existing analyze_lint_output parser handles, so no parser changes are
needed.

Author: jong-kyung

packages/cli/snap-tests-global/command-check-help/snap.txt

@@ -6,10 +6,11 @@ Usage: vp check [OPTIONS] [PATHS]...
 Run format, lint, and type checks.
 
 Options:
-  --fix       Auto-fix format and lint issues
-  --no-fmt    Skip format check
-  --no-lint   Skip lint check
-  -h, --help  Print help
+  --fix              Auto-fix format and lint issues
+  --no-fmt           Skip format check
+  --no-lint          Skip lint check
+  --type-check-only  Run only type checking, skipping format and lint rules
+  -h, --help         Print help
 
 Examples:
   vp check
@@ -27,10 +28,11 @@ Usage: vp check [OPTIONS] [PATHS]...
 Run format, lint, and type checks.
 
 Options:
-  --fix       Auto-fix format and lint issues
-  --no-fmt    Skip format check
-  --no-lint   Skip lint check
-  -h, --help  Print help
+  --fix              Auto-fix format and lint issues
+  --no-fmt           Skip format check
+  --no-lint          Skip lint check
+  --type-check-only  Run only type checking, skipping format and lint rules
+  -h, --help         Print help
 
 Examples:
   vp check
@@ -48,10 +50,11 @@ Usage: vp check [OPTIONS] [PATHS]...
 Run format, lint, and type checks.
 
 Options:
-  --fix       Auto-fix format and lint issues
-  --no-fmt    Skip format check
-  --no-lint   Skip lint check
-  -h, --help  Print help
+  --fix              Auto-fix format and lint issues
+  --no-fmt           Skip format check
+  --no-lint          Skip lint check
+  --type-check-only  Run only type checking, skipping format and lint rules
+  -h, --help         Print help
 
 Examples:
   vp check

packages/cli/snap-tests/check-type-check-only-conflict-fix/package.json

@@ -0,0 +1,5 @@
+{
+  "name": "check-type-check-only-conflict-fix",
+  "version": "0.0.0",
+  "private": true
+}

packages/cli/snap-tests/check-type-check-only-conflict-fix/snap.txt

@@ -0,0 +1,4 @@
+[1]> vp check --type-check-only --fix
+error: Conflicting flags
+
+`vp check --type-check-only` cannot be used with `--fix`

packages/cli/snap-tests/check-type-check-only-conflict-fix/steps.json

@@ -0,0 +1,6 @@
+{
+  "env": {
+    "VITE_DISABLE_AUTO_INSTALL": "1"
+  },
+  "commands": ["vp check --type-check-only --fix"]
+}

packages/cli/snap-tests/check-type-check-only-conflict-no-lint/package.json

@@ -0,0 +1,5 @@
+{
+  "name": "check-type-check-only-conflict-no-lint",
+  "version": "0.0.0",
+  "private": true
+}

packages/cli/snap-tests/check-type-check-only-conflict-no-lint/snap.txt

@@ -0,0 +1,4 @@
+[1]> vp check --type-check-only --no-lint
+error: Conflicting flags
+
+`vp check --type-check-only` cannot be used with `--no-lint`

packages/cli/snap-tests/check-type-check-only-conflict-no-lint/steps.json

@@ -0,0 +1,6 @@
+{
+  "env": {
+    "VITE_DISABLE_AUTO_INSTALL": "1"
+  },
+  "commands": ["vp check --type-check-only --no-lint"]
+}

packages/cli/snap-tests/check-type-check-only-fail/package.json

@@ -0,0 +1,5 @@
+{
+  "name": "check-type-check-only-fail",
+  "version": "0.0.0",
+  "private": true
+}

packages/cli/snap-tests/check-type-check-only-fail/snap.txt

@@ -0,0 +1,11 @@
+[1]> vp check --type-check-only
+error: Type errors found
+× typescript(TS2322): Type 'string' is not assignable to type 'number'.
+   ╭─[src/index.ts:2:9]
+ 1 │ export function hello(): number {
+ 2 │   const value: number = "not a number";
+   ·         ─────
+ 3 │   return value;
+   ╰────
+
+Found 1 error and 0 warnings in 2 files (<variable>ms, <variable> threads)

packages/cli/snap-tests/check-type-check-only-fail/src/index.ts

@@ -0,0 +1,4 @@
+export function hello(): number {
+  const value: number = "not a number";
+  return value;
+}