chore(main): release 0.42.0 (#745)

🤖 I have created a release *beep* *boop*
---


##
[0.42.0](https://github.com/agentclientprotocol/claude-agent-acp/compare/v0.41.0...v0.42.0)
(2026-06-05)


### Features

* **deps-dev:** bump obug from 2.1.1 to 2.1.2 in the minor group
([#743](https://github.com/agentclientprotocol/claude-agent-acp/issues/743))
([7ffb78c](7ffb78c572))
* Send message ids for assistant and user messages
([#750](https://github.com/agentclientprotocol/claude-agent-acp/issues/750))
([18516a3](18516a3088))
* Update Claude Agent SDK to 0.3.165
([#746](https://github.com/agentclientprotocol/claude-agent-acp/issues/746))
([23cbe6f](23cbe6f58f))


### Bug Fixes

* Prevent cross-family model matching in resolveModelPreference
([#731](https://github.com/agentclientprotocol/claude-agent-acp/issues/731))
([f4704c1](f4704c168f))
* Prune tool cache per session after results
([#748](https://github.com/agentclientprotocol/claude-agent-acp/issues/748))
([ec14211](ec14211056))
* Update to better utilize existing SDK data
([#747](https://github.com/agentclientprotocol/claude-agent-acp/issues/747))
([398f763](398f763f71))

---
This PR was generated with [Release
Please](https://github.com/googleapis/release-please). See
[documentation](https://github.com/googleapis/release-please#release-please).

Co-authored-by: acp-release-bot[bot] <246668977+acp-release-bot[bot]@users.noreply.github.com>

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "0.41.0"
+  ".": "0.42.0"
 }

CHANGELOG.md

@@ -1,5 +1,21 @@
 # Changelog
 
+## [0.42.0](https://github.com/agentclientprotocol/claude-agent-acp/compare/v0.41.0...v0.42.0) (2026-06-05)
+
+
+### Features
+
+* **deps-dev:** bump obug from 2.1.1 to 2.1.2 in the minor group ([#743](https://github.com/agentclientprotocol/claude-agent-acp/issues/743)) ([7ffb78c](https://github.com/agentclientprotocol/claude-agent-acp/commit/7ffb78c57280fc32af77862896c0035ce0e690b7))
+* Send message ids for assistant and user messages ([#750](https://github.com/agentclientprotocol/claude-agent-acp/issues/750)) ([18516a3](https://github.com/agentclientprotocol/claude-agent-acp/commit/18516a3088f847a38f5eee0fe81ad5ca3e2a751c))
+* Update Claude Agent SDK to 0.3.165 ([#746](https://github.com/agentclientprotocol/claude-agent-acp/issues/746)) ([23cbe6f](https://github.com/agentclientprotocol/claude-agent-acp/commit/23cbe6f58fa9e10ad736f664c4cf94dbd1c6ad65))
+
+
+### Bug Fixes
+
+* Prevent cross-family model matching in resolveModelPreference ([#731](https://github.com/agentclientprotocol/claude-agent-acp/issues/731)) ([f4704c1](https://github.com/agentclientprotocol/claude-agent-acp/commit/f4704c168f917e6710f2b3cd49e1fef49613a469))
+* Prune tool cache per session after results ([#748](https://github.com/agentclientprotocol/claude-agent-acp/issues/748)) ([ec14211](https://github.com/agentclientprotocol/claude-agent-acp/commit/ec142110561f680330c6976783805685c5c069ec))
+* Update to better utilize existing SDK data ([#747](https://github.com/agentclientprotocol/claude-agent-acp/issues/747)) ([398f763](https://github.com/agentclientprotocol/claude-agent-acp/commit/398f763f71bd2fe2ca9e8269de120d26a744b7a8))
+
 ## [0.41.0](https://github.com/agentclientprotocol/claude-agent-acp/compare/v0.40.0...v0.41.0) (2026-06-04)
 
 

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "@agentclientprotocol/claude-agent-acp",
-  "version": "0.41.0",
+  "version": "0.42.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@agentclientprotocol/claude-agent-acp",
-      "version": "0.41.0",
+      "version": "0.42.0",
       "license": "Apache-2.0",
       "dependencies": {
         "@agentclientprotocol/sdk": "0.24.0",

package.json

@@ -3,7 +3,7 @@
   "publishConfig": {
     "access": "public"
   },
-  "version": "0.41.0",
+  "version": "0.42.0",
   "description": "An ACP-compatible coding agent powered by the Claude Agent SDK (TypeScript)",
   "main": "dist/lib.js",
   "types": "dist/lib.d.ts",