feat(skills): support conversion without ChatLab CLI

scripts/build-chatlab-skill-validator.mjs

@@ -0,0 +1,115 @@
+import { execFileSync } from 'node:child_process'
+import { copyFileSync, mkdirSync, mkdtempSync, rmSync, writeFileSync } from 'node:fs'
+import { tmpdir } from 'node:os'
+import path from 'node:path'
+import { fileURLToPath } from 'node:url'
+
+const rootDir = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '..')
+const tempDir = mkdtempSync(path.join(tmpdir(), 'chatlab-skill-validator-'))
+const entryPath = path.join(tempDir, 'entry.ts')
+const outputPath = path.join(tempDir, 'validate-chatlab.mjs')
+const validatorPath = path.join(rootDir, 'packages/parser/src/chatlab-validator.ts')
+
+const entrySource = `
+import { existsSync } from 'node:fs'
+import path from 'node:path'
+import { validateChatLabFile } from ${JSON.stringify(validatorPath)}
+
+const input = process.argv[2]
+
+function write(envelope: unknown): void {
+  process.stdout.write(\`${'${JSON.stringify(envelope)}'}\\n\`)
+}
+
+if (!input) {
+  write({
+    ok: false,
+    command: 'validate',
+    error: {
+      code: 'MISSING_FILE',
+      message: 'Usage: node validate-chatlab.mjs <file>',
+    },
+    meta: { apiVersion: 1, standalone: true },
+  })
+  process.exitCode = 2
+} else {
+  const file = path.resolve(input)
+  if (!existsSync(file)) {
+    write({
+      ok: false,
+      command: 'validate',
+      error: {
+        code: 'FILE_NOT_FOUND',
+        message: \`File not found: ${'${file}'}\`,
+        hint: 'Pass an absolute path or a path relative to the current working directory.',
+      },
+      meta: { apiVersion: 1, standalone: true },
+    })
+    process.exitCode = 3
+  } else {
+    try {
+      const report = await validateChatLabFile(file)
+      write(
+        report.valid
+          ? {
+              ok: true,
+              command: 'validate',
+              data: report,
+              meta: { apiVersion: 1, standalone: true },
+            }
+          : {
+              ok: false,
+              command: 'validate',
+              data: report,
+              error: {
+                code: 'INVALID_CHATLAB_FORMAT',
+                message: \`Validation found ${'${report.errorCount}'} error(s).\`,
+                hint: 'Fix every error before importing the file into ChatLab.',
+              },
+              meta: { apiVersion: 1, standalone: true },
+            }
+      )
+      if (!report.valid) process.exitCode = 1
+    } catch (error) {
+      write({
+        ok: false,
+        command: 'validate',
+        error: {
+          code: 'VALIDATION_FAILED',
+          message: error instanceof Error ? error.message : String(error),
+        },
+        meta: { apiVersion: 1, standalone: true },
+      })
+      process.exitCode = 1
+    }
+  }
+}
+`
+
+try {
+  writeFileSync(entryPath, entrySource)
+  execFileSync(
+    'pnpm',
+    [
+      'exec',
+      'esbuild',
+      entryPath,
+      '--bundle',
+      '--platform=node',
+      '--format=esm',
+      '--target=node20',
+      '--minify',
+      `--outfile=${outputPath}`,
+      '--banner:js=#!/usr/bin/env node\n// Generated from the canonical ChatLab validator. Do not edit directly.',
+    ],
+    { cwd: rootDir, stdio: 'inherit' }
+  )
+
+  for (const skillName of ['chatlab-convert', 'chatlab-convert-cn']) {
+    const scriptsDir = path.join(rootDir, 'skills', skillName, 'scripts')
+    mkdirSync(scriptsDir, { recursive: true })
+    copyFileSync(outputPath, path.join(scriptsDir, 'validate-chatlab.mjs'))
+  }
+} finally {
+  rmSync(tempDir, { recursive: true, force: true })
+}