Bump sdk + changelog

Author: jahooma

sdk/CHANGELOG.md

@@ -2,6 +2,12 @@
 
 All notable changes to the @codebuff/sdk package will be documented in this file.
 
+## [0.1.20]
+
+- You can now retrieve the output of an agent in `result.output` if result is the output of an awaited `client.run(...)` call.
+- cwd is optional in the CodebuffClient constructor.
+- You can pass in `extraToolResults` into a run() call to include more info to the agent.
+
 ## [0.1.17]
 
 ### Added

sdk/package.json

@@ -2,7 +2,7 @@
   "name": "@codebuff/sdk",
   "private": false,
   "access": "public",
-  "version": "0.1.19",
+  "version": "0.1.20",
   "description": "Official SDK for Codebuff — AI coding agent & framework",
   "license": "Apache-2.0",
   "type": "module",