fix(sdk): handle Windows opencode spawn and shutdown (#20772)

package.json

@@ -27,6 +27,7 @@
     "catalog": {
       "@effect/platform-node": "4.0.0-beta.43",
       "@types/bun": "1.3.11",
+      "@types/cross-spawn": "6.0.6",
       "@octokit/rest": "22.0.0",
       "@hono/zod-validator": "0.4.2",
       "ulid": "3.0.1",
@@ -47,6 +48,7 @@
       "drizzle-orm": "1.0.0-beta.19-d95b7a4",
       "effect": "4.0.0-beta.43",
       "ai": "6.0.138",
+      "cross-spawn": "7.0.6",
       "hono": "4.10.7",
       "hono-openapi": "1.1.2",
       "fuzzysort": "3.1.0",