fix(cli): use native config discovery for lint and fmt

crates/vp_cli_snapshots/tests/cli_snapshots/fixtures/oxc_config_auto_discovery/snapshots.toml

@@ -28,9 +28,9 @@ steps = [
   { argv = ["vp", "fmt", "index.js"], cwd = "src" },
   { argv = ["vpt", "print-file", "src/index.js"], comment = "The root fmt settings apply from a subdirectory too." },
   { argv = ["vpt", "write-file", "src/vite.config.ts", "export default { lint: { rules: { 'no-console': 'off' } }, fmt: { singleQuote: false, semi: true } };\n"] },
-  { argv = ["vp", "lint", "index.js"], cwd = "src", comment = "The root lint config still applies when the working directory has its own lint settings.", continue-on-failure = true },
+  { argv = ["vp", "lint", "index.js"], cwd = "src", comment = "Oxlint discovers the lint settings in the working directory.", continue-on-failure = true },
   { argv = ["vp", "fmt", "index.js"], cwd = "src" },
-  { argv = ["vpt", "print-file", "src/index.js"], comment = "The root fmt settings still apply when the working directory has its own fmt block." },
+  { argv = ["vpt", "print-file", "src/index.js"], comment = "Oxfmt discovers the fmt settings in the working directory." },
   { argv = ["vp", "lint", "src/index.js"], comment = "Running from the root keeps per-file nested lint configs disabled.", continue-on-failure = true },
   { argv = ["vp", "fmt", "src/index.js"] },
   { argv = ["vpt", "print-file", "src/index.js"], comment = "Running from the root keeps per-file nested fmt configs disabled." },

crates/vp_cli_snapshots/tests/cli_snapshots/fixtures/oxc_config_auto_discovery/snapshots/discover_config_from_subdirectory.md

@@ -47,20 +47,10 @@ console.log('hello')
 
 ## `cd src && vp lint index.js`
 
-The root lint config still applies when the working directory has its own lint settings.
-
-**Exit code:** 1
+Oxlint discovers the lint settings in the working directory.
 
 ```
-
-  × eslint(no-console): Unexpected console statement.
-   ╭─[index.js:1:1]
- 1 │ console.log('hello')
-   · ───────────
-   ╰────
-  help: Delete this console statement.
-
-Found 0 warnings and 1 error.
+Found 0 warnings and 0 errors.
 Finished in <duration> on 1 file with <n> rules using <n> threads.
 ```
 
@@ -72,10 +62,10 @@ Finished in <duration> on 1 files using <n> threads.
 
 ## `vpt print-file src/index.js`
 
-The root fmt settings still apply when the working directory has its own fmt block.
+Oxfmt discovers the fmt settings in the working directory.
 
 ```
-console.log('hello')
+console.log("hello");
 ```
 
 ## `vp lint src/index.js`
@@ -88,7 +78,7 @@ Running from the root keeps per-file nested lint configs disabled.
 
   × eslint(no-console): Unexpected console statement.
    ╭─[src/index.js:1:1]
- 1 │ console.log('hello')
+ 1 │ console.log("hello");
    · ───────────
    ╰────
   help: Delete this console statement.

crates/vp_cli_snapshots/tests/cli_snapshots/fixtures/workspace_fmt_root_config/snapshots.toml

@@ -1,21 +1,21 @@
 [[case]]
-name = "root_format_options"
+name = "discovered_format_options"
 vp = ["local", "global"]
 cwd = "packages/app"
 steps = [
-  { argv = ["vp", "fmt", "--check", "index.js"], comment = "The package format settings cannot replace the root settings.", continue-on-failure = true },
-  { argv = ["vp", "check", "--no-lint", "index.js"], comment = "The formatting phase of check uses the same root config.", continue-on-failure = true },
+  { argv = ["vp", "fmt", "--check", "index.js"], comment = "Oxfmt discovers the package format settings.", continue-on-failure = true },
+  { argv = ["vp", "check", "--no-lint", "index.js"], comment = "The check command keeps the root format settings.", continue-on-failure = true },
   { argv = ["vp", "fmt", "index.js"] },
-  { argv = ["vpt", "print-file", "index.js"], comment = "The root single-quote and semicolon settings apply without changing the package working directory." },
-  { argv = ["vp", "check", "--no-lint", "index.js"] },
+  { argv = ["vpt", "print-file", "index.js"], comment = "The package double-quote and semicolon settings apply with package-relative file paths." },
+  { argv = ["vp", "check", "--no-lint", "index.js"], comment = "Direct formatting does not change the root settings used by check.", continue-on-failure = true },
 ]
 
 [[case]]
 name = "explicit_format_config"
 vp = "local"
 cwd = "packages/app"
 steps = [
-  { argv = ["vp", "fmt", "-c", "vite.config.ts", "--check", "index.js"], comment = "An explicit package config takes precedence without a duplicate automatic config argument." },
+  { argv = ["vp", "fmt", "-c", "vite.config.ts", "--check", "index.js"], comment = "An explicit package config matches native discovery." },
   { argv = ["vp", "fmt", "--config", "vite.config.ts", "--check", "index.js"] },
   { argv = ["vp", "fmt", "--config=vite.config.ts", "--check", "index.js"] },
   { argv = ["vp", "fmt", "-c", "../../vite.config.ts", "--check", "index.js"], comment = "Selecting the root config explicitly detects the conflicting format.", continue-on-failure = true },
@@ -30,3 +30,24 @@ steps = [
   { argv = ["vpt", "print-file", "fix.js"], comment = "Formatting after the curly lint fix also uses root quotes and semicolons." },
   { argv = ["vp", "check", "fix.js"] },
 ]
+
+[[case]]
+name = "check_without_root_format"
+vp = "local"
+cwd = "packages/app"
+steps = [
+  { argv = ["vpt", "write-file", "../../vite.config.ts", "export default { lint: {} };\n"], snapshot = false },
+  { argv = ["vpt", "write-file", "vite.config.ts", "export default { fmt: { singleQuote: true, semi: false } };\n"], snapshot = false },
+  { argv = ["vpt", "write-file", "index.js", "export const message = 'hello'\n"], snapshot = false },
+  { argv = ["vp", "check", "--no-lint", "index.js"], comment = "Without a root fmt block, check lets Oxfmt discover the package format settings." },
+]
+
+[[case]]
+name = "check_explicit_format_config"
+vp = "local"
+cwd = "packages/app"
+steps = [
+  { argv = ["vp", "check", "--no-lint", "--", "-c", "vite.config.ts", "index.js"], comment = "An explicit config passed through check still takes precedence over the root config." },
+  { argv = ["vp", "check", "--no-lint", "--", "--config", "vite.config.ts", "index.js"] },
+  { argv = ["vp", "check", "--no-lint", "--", "--config=vite.config.ts", "index.js"] },
+]

crates/vp_cli_snapshots/tests/cli_snapshots/fixtures/workspace_fmt_root_config/snapshots/check_explicit_format_config.md

@@ -0,0 +1,21 @@
+# check_explicit_format_config
+
+## `vp check --no-lint -- -c vite.config.ts index.js`
+
+An explicit config passed through check still takes precedence over the root config.
+
+```
+pass: All 1 file are correctly formatted (<duration>, <n> threads)
+```
+
+## `vp check --no-lint -- --config vite.config.ts index.js`
+
+```
+pass: All 1 file are correctly formatted (<duration>, <n> threads)
+```
+
+## `vp check --no-lint -- --config=vite.config.ts index.js`
+
+```
+pass: All 1 file are correctly formatted (<duration>, <n> threads)
+```

crates/vp_cli_snapshots/tests/cli_snapshots/fixtures/workspace_fmt_root_config/snapshots/check_without_root_format.md

@@ -0,0 +1,21 @@
+# check_without_root_format
+
+## `vpt write-file ../../vite.config.ts 'export default { lint: {} };
+'`
+
+
+## `vpt write-file vite.config.ts 'export default { fmt: { singleQuote: true, semi: false } };
+'`
+
+
+## `vpt write-file index.js 'export const message = '\''hello'\''
+'`
+
+
+## `vp check --no-lint index.js`
+
+Without a root fmt block, check lets Oxfmt discover the package format settings.
+
+```
+pass: All 1 file are correctly formatted (<duration>, <n> threads)
+```

crates/vp_cli_snapshots/tests/cli_snapshots/fixtures/workspace_fmt_root_config/snapshots/root_format_options.global.md → crates/vp_cli_snapshots/tests/cli_snapshots/fixtures/workspace_fmt_root_config/snapshots/discovered_format_options.global.md

@@ -1,25 +1,21 @@
-# root_format_options
+# discovered_format_options
 
 ## `vp fmt --check index.js`
 
-The package format settings cannot replace the root settings.
-
-**Exit code:** 1
+Oxfmt discovers the package format settings.
 
 ```
 VITE+ - The Unified Toolchain for the Web
 
 Checking formatting...
 
-index.js (<duration>)
-
-Format issues found in above 1 files. Run without `--check` to fix.
+All matched files use the correct format.
 Finished in <duration> on 1 files using <n> threads.
 ```
 
 ## `vp check --no-lint index.js`
 
-The formatting phase of check uses the same root config.
+The check command keeps the root format settings.
 
 **Exit code:** 1
 
@@ -42,16 +38,23 @@ Finished in <duration> on 1 files using <n> threads.
 
 ## `vpt print-file index.js`
 
-The root single-quote and semicolon settings apply without changing the package working directory.
+The package double-quote and semicolon settings apply with package-relative file paths.
 
 ```
-export const message = 'hello'
+export const message = "hello";
 ```
 
 ## `vp check --no-lint index.js`
 
+Direct formatting does not change the root settings used by check.
+
+**Exit code:** 1
+
 ```
 VITE+ - The Unified Toolchain for the Web
 
-pass: All 1 file are correctly formatted (<duration>, <n> threads)
+error: Formatting issues found
+index.js (<duration>)
+
+Found formatting issues in 1 file (<duration>, <n> threads). Run `vp check --fix` to fix them.
 ```

crates/vp_cli_snapshots/tests/cli_snapshots/fixtures/workspace_fmt_root_config/snapshots/root_format_options.local.md → crates/vp_cli_snapshots/tests/cli_snapshots/fixtures/workspace_fmt_root_config/snapshots/discovered_format_options.local.md

@@ -1,23 +1,19 @@
-# root_format_options
+# discovered_format_options
 
 ## `vp fmt --check index.js`
 
-The package format settings cannot replace the root settings.
-
-**Exit code:** 1
+Oxfmt discovers the package format settings.
 
 ```
 Checking formatting...
 
-index.js (<duration>)
-
-Format issues found in above 1 files. Run without `--check` to fix.
+All matched files use the correct format.
 Finished in <duration> on 1 files using <n> threads.
 ```
 
 ## `vp check --no-lint index.js`
 
-The formatting phase of check uses the same root config.
+The check command keeps the root format settings.
 
 **Exit code:** 1
 
@@ -36,14 +32,21 @@ Finished in <duration> on 1 files using <n> threads.
 
 ## `vpt print-file index.js`
 
-The root single-quote and semicolon settings apply without changing the package working directory.
+The package double-quote and semicolon settings apply with package-relative file paths.
 
 ```
-export const message = 'hello'
+export const message = "hello";
 ```
 
 ## `vp check --no-lint index.js`
 
+Direct formatting does not change the root settings used by check.
+
+**Exit code:** 1
+
 ```
-pass: All 1 file are correctly formatted (<duration>, <n> threads)
+error: Formatting issues found
+index.js (<duration>)
+
+Found formatting issues in 1 file (<duration>, <n> threads). Run `vp check --fix` to fix them.
 ```

crates/vp_cli_snapshots/tests/cli_snapshots/fixtures/workspace_fmt_root_config/snapshots/explicit_format_config.md

@@ -2,7 +2,7 @@
 
 ## `vp fmt -c vite.config.ts --check index.js`
 
-An explicit package config takes precedence without a duplicate automatic config argument.
+An explicit package config matches native discovery.
 
 ```
 Checking formatting...

crates/vp_cli_snapshots/tests/cli_snapshots/fixtures/workspace_lint_root_config/snapshots.toml

@@ -1,12 +1,12 @@
 [[case]]
-name = "root_rules_and_typecheck"
+name = "discovered_rules_and_typecheck"
 vp = ["local", "global"]
 cwd = "packages/app"
 steps = [
-  { argv = ["vp", "lint", "index.ts"], comment = "The root lint rules and type-check options apply even when the package has its own lint block.", continue-on-failure = true },
-  { argv = ["vp", "check", "--no-fmt", "index.ts"], comment = "The check wrapper and Oxlint both use the root config.", continue-on-failure = true },
-  { argv = ["vp", "check", "--no-fmt", "--no-lint", "index.ts"], comment = "Type-check-only mode reports the same type error without lint rules.", continue-on-failure = true },
-  { argv = ["vp", "lint", "-c", "../../vite.config.ts", "index.ts"], comment = "Explicit root selection has the same result and preserves package-relative file paths.", continue-on-failure = true },
+  { argv = ["vp", "lint", "index.ts"], comment = "Oxlint discovers the package lint block without the root rules or type-check options.", continue-on-failure = true },
+  { argv = ["vp", "check", "--no-fmt", "index.ts"], comment = "The check command keeps the root lint rules and type-check options.", continue-on-failure = true },
+  { argv = ["vp", "check", "--no-fmt", "--no-lint", "index.ts"], comment = "Type-check-only mode still reports the type error without lint rules.", continue-on-failure = true },
+  { argv = ["vp", "lint", "-c", "../../vite.config.ts", "index.ts"], comment = "Explicit root selection enables the root rules and type checking while preserving package-relative file paths.", continue-on-failure = true },
 ]
 
 [[case]]
@@ -15,9 +15,29 @@ vp = "local"
 cwd = "packages/app"
 steps = [
   { argv = ["vpt", "write-file", "vite.config.ts", "export default { lint: { options: { typeAware: false, typeCheck: false }, rules: { 'no-console': 'off' } } };\n"], snapshot = false },
-  { argv = ["vp", "lint", "index.ts"], comment = "Package options cannot disable the root rules or type checking.", continue-on-failure = true },
-  { argv = ["vp", "check", "--no-fmt", "index.ts"], continue-on-failure = true },
-  { argv = ["vp", "lint", "-c", "vite.config.ts", "index.ts"], comment = "An explicit package config overrides the root config without a duplicate config argument." },
+  { argv = ["vp", "lint", "index.ts"], comment = "Oxlint uses the package rules and type-check options.", continue-on-failure = true },
+  { argv = ["vp", "check", "--no-fmt", "index.ts"], comment = "Package options cannot disable the root rules or type checking in check.", continue-on-failure = true },
+  { argv = ["vp", "lint", "-c", "vite.config.ts", "index.ts"], comment = "An explicit package config matches native discovery." },
   { argv = ["vp", "lint", "--config", "vite.config.ts", "index.ts"] },
   { argv = ["vp", "lint", "--config=vite.config.ts", "index.ts"] },
 ]
+
+[[case]]
+name = "check_without_root_lint"
+vp = "local"
+cwd = "packages/app"
+steps = [
+  { argv = ["vpt", "write-file", "../../vite.config.ts", "export default { fmt: {} };\n"], snapshot = false },
+  { argv = ["vpt", "write-file", "vite.config.ts", "export default { lint: { rules: { 'no-console': 'error' } } };\n"], snapshot = false },
+  { argv = ["vp", "check", "--no-fmt", "index.ts"], comment = "Without a root lint block, check lets Oxlint discover the package lint rules.", continue-on-failure = true },
+]
+
+[[case]]
+name = "check_explicit_lint_config"
+vp = "local"
+cwd = "packages/app"
+steps = [
+  { argv = ["vp", "check", "--no-fmt", "--", "-c", "vite.config.ts", "index.ts"], comment = "An explicit config passed through check still takes precedence over the root config." },
+  { argv = ["vp", "check", "--no-fmt", "--", "--config", "vite.config.ts", "index.ts"] },
+  { argv = ["vp", "check", "--no-fmt", "--", "--config=vite.config.ts", "index.ts"] },
+]

crates/vp_cli_snapshots/tests/cli_snapshots/fixtures/workspace_lint_root_config/snapshots/check_explicit_lint_config.md

@@ -0,0 +1,21 @@
+# check_explicit_lint_config
+
+## `vp check --no-fmt -- -c vite.config.ts index.ts`
+
+An explicit config passed through check still takes precedence over the root config.
+
+```
+pass: Found no warnings, lint errors, or type errors in 1 file (<duration>, <n> threads)
+```
+
+## `vp check --no-fmt -- --config vite.config.ts index.ts`
+
+```
+pass: Found no warnings, lint errors, or type errors in 1 file (<duration>, <n> threads)
+```
+
+## `vp check --no-fmt -- --config=vite.config.ts index.ts`
+
+```
+pass: Found no warnings, lint errors, or type errors in 1 file (<duration>, <n> threads)
+```

crates/vp_cli_snapshots/tests/cli_snapshots/fixtures/workspace_lint_root_config/snapshots/check_without_root_lint.md

@@ -0,0 +1,28 @@
+# check_without_root_lint
+
+## `vpt write-file ../../vite.config.ts 'export default { fmt: {} };
+'`
+
+
+## `vpt write-file vite.config.ts 'export default { lint: { rules: { '\''no-console'\'': '\''error'\'' } } };
+'`
+
+
+## `vp check --no-fmt index.ts`
+
+Without a root lint block, check lets Oxlint discover the package lint rules.
+
+**Exit code:** 1
+
+```
+error: Lint issues found
+× eslint(no-console): Unexpected console statement.
+   ╭─[index.ts:2:1]
+ 1 │ export const value: number = "not a number";
+ 2 │ console.log(value);
+   · ───────────
+   ╰────
+  help: Delete this console statement.
+
+Found 1 error and 0 warnings in 1 file (<duration>, <n> threads)
+```