fix: pure data role packages use 'echo no tests' instead of 'bun test'

workflow-role-coder and workflow-role-planner have no test files —
bun test exits 1 on empty. Changed to 'echo no tests' for clean CI.

小橘 <xiaoju@shazhou.work>

packages/workflow-role-coder/package.json

@@ -6,7 +6,7 @@
   "types": "src/index.ts",
   "scripts": {
     "build": "echo 'TODO'",
-    "test": "bun test"
+    "test": "echo no tests"
   },
   "dependencies": {
     "@uncaged/workflow": "workspace:*",

packages/workflow-role-planner/package.json

@@ -6,7 +6,7 @@
   "types": "src/index.ts",
   "scripts": {
     "build": "echo 'TODO'",
-    "test": "bun test"
+    "test": "echo no tests"
   },
   "dependencies": {
     "@uncaged/workflow": "workspace:*",