chore(main): release 0.85.1 (#1213)

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


##
[0.85.1](https://github.com/agentclientprotocol/claude-agent-acp/compare/v0.85.0...v0.85.1)
(2026-10-01)


### Bug Fixes

* answer session/close without waiting for the interrupt reply
([#1216](https://github.com/agentclientprotocol/claude-agent-acp/issues/1216))
([0c862e2](0c862e2949))
* fail turns with unfinished tools
([#1212](https://github.com/agentclientprotocol/claude-agent-acp/issues/1212))
([7f8d547](7f8d5471e2))
* restore background task stops on replay instead of showing them as
prompts
([#1205](https://github.com/agentclientprotocol/claude-agent-acp/issues/1205))
([4ffa625](4ffa625977))

---
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 @@
 {
-  ".": "0.85.0"
+  ".": "0.85.1"
 }