fix(cli): read version from file

src/lib/version.ts

@@ -0,0 +1,45 @@
+import { readFileSync } from 'node:fs';
+import { dirname, join } from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+function readPackageVersionFromJsonFile(path: string): string | undefined {
+  try {
+    const raw = readFileSync(path, 'utf8');
+    const parsed = JSON.parse(raw) as { version?: unknown };
+    return typeof parsed.version === 'string' ? parsed.version : undefined;
+  } catch {
+    return undefined;
+  }
+}
+
+function readVersionFromTextFile(path: string): string | undefined {
+  try {
+    const raw = readFileSync(path, 'utf8').trim();
+    return raw.length > 0 ? raw : undefined;
+  } catch {
+    return undefined;
+  }
+}
+
+function tryReadVersionFromImportMeta(): string | undefined {
+  try {
+    const thisFile = fileURLToPath(import.meta.url);
+    const baseDir = join(dirname(thisFile), '..', '..');
+    return (
+      readPackageVersionFromJsonFile(join(baseDir, 'package.json')) ?? readVersionFromTextFile(join(baseDir, 'VERSION'))
+    );
+  } catch {
+    return undefined;
+  }
+}
+
+function tryReadVersionNextToExecutable(): string | undefined {
+  const execDir = dirname(process.argv[0] ?? process.execPath);
+  return (
+    readPackageVersionFromJsonFile(join(execDir, 'package.json')) ?? readVersionFromTextFile(join(execDir, 'VERSION'))
+  );
+}
+
+export function getCliVersion(): string {
+  return tryReadVersionFromImportMeta() ?? tryReadVersionNextToExecutable() ?? 'unknown';
+}