fix: all CLI script resolution uses bundled-first resolveTool() (#362)

packages/cli/src/commands/launch.ts

@@ -68,7 +68,7 @@ function checkSoul(): void {
     }
 
     // Fallback: legacy bash mosaic-init
-    const initBin = join(MOSAIC_HOME, 'tools', '_scripts', 'mosaic-init');
+    const initBin = fwScript('mosaic-init');
     if (existsSync(initBin)) {
       spawnSync(initBin, [], { stdio: 'inherit' });
     } else {
@@ -79,7 +79,7 @@ function checkSoul(): void {
 }
 
 function checkSequentialThinking(runtime: string): void {
-  const checker = join(MOSAIC_HOME, 'tools', '_scripts', 'mosaic-ensure-sequential-thinking');
+  const checker = fwScript('mosaic-ensure-sequential-thinking');
   if (!existsSync(checker)) return; // Skip if checker doesn't exist
   const result = spawnSync(checker, ['--check', '--runtime', runtime], { stdio: 'ignore' });
   if (result.status !== 0) {
@@ -493,24 +493,28 @@ function delegateToScript(scriptPath: string, args: string[], env?: Record<strin
 }
 
 /**
- * Resolve a framework script path. Prefers the version bundled in the
- * @mosaic/mosaic npm package (always matches the installed CLI version)
- * over the deployed copy in ~/.config/mosaic/ (may be stale).
+ * Resolve a path under the framework tools directory. Prefers the version
+ * bundled in the @mosaic/mosaic npm package (always matches the installed
+ * CLI version) over the deployed copy in ~/.config/mosaic/ (may be stale).
  */
-function fwScript(name: string): string {
+function resolveTool(...segments: string[]): string {
   try {
-    const require = createRequire(import.meta.url);
-    const mosaicPkg = dirname(require.resolve('@mosaic/mosaic/package.json'));
-    const bundled = join(mosaicPkg, 'framework', 'tools', '_scripts', name);
+    const req = createRequire(import.meta.url);
+    const mosaicPkg = dirname(req.resolve('@mosaic/mosaic/package.json'));
+    const bundled = join(mosaicPkg, 'framework', 'tools', ...segments);
     if (existsSync(bundled)) return bundled;
   } catch {
     // Fall through to deployed copy
   }
-  return join(MOSAIC_HOME, 'tools', '_scripts', name);
+  return join(MOSAIC_HOME, 'tools', ...segments);
+}
+
+function fwScript(name: string): string {
+  return resolveTool('_scripts', name);
 }
 
 function toolScript(toolDir: string, name: string): string {
-  return join(MOSAIC_HOME, 'tools', toolDir, name);
+  return resolveTool(toolDir, name);
 }
 
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