chore(main): release 0.54.0 (#823)

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


##
[0.54.0](https://github.com/agentclientprotocol/claude-agent-acp/compare/v0.53.0...v0.54.0)
(2026-06-30)


### Features

* Add Fast mode session config support
([#828](https://github.com/agentclientprotocol/claude-agent-acp/issues/828))
([fa949a2](fa949a20db))
* **deps-dev:** bump prettier from 3.9.1 to 3.9.3 in the minor group
([#821](https://github.com/agentclientprotocol/claude-agent-acp/issues/821))
([b8df8e0](b8df8e0e54))
* **deps:** bump @anthropic-ai/claude-agent-sdk to 0.3.197 for Sonnet 5
([#826](https://github.com/agentclientprotocol/claude-agent-acp/issues/826))
([ef42c46](ef42c46e5a))
* **deps:** bump fast-uri from 3.1.2 to 3.1.3
([#822](https://github.com/agentclientprotocol/claude-agent-acp/issues/822))
([64aa130](64aa130c66))

---
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 @@
 {
-  ".": "0.53.0"
+  ".": "0.54.0"
 }