Revert "feat: integrate Claude Code SDK to replace process spawning (#327)" (#335)

* Revert "feat: integrate Claude Code SDK to replace process spawning (#327)"

This reverts commit 204266ca45.

* 1.0.59

base-action/package.json

@@ -10,8 +10,7 @@
     "typecheck": "tsc --noEmit"
   },
   "dependencies": {
-    "@actions/core": "^1.10.1",
-    "@anthropic-ai/claude-code": "1.0.59"
+    "@actions/core": "^1.10.1"
   },
   "devDependencies": {
     "@types/bun": "^1.2.12",