fix(acp): Correct protocol version

Author: CSRessel

.claude/skills/pty-tui-testing/SKILL.md

@@ -93,6 +93,9 @@ CHANGELOG.ignore.md
 .worktree/
 .worktrees/
 /codex-rs/tui/target/
-/nori-cli
 /target
 
+# Local code/doc references for ACP work
+/agent-client-protocol
+/zed
+

.gitignore

@@ -138,7 +138,7 @@ impl AgentProcess {
         debug!("Initializing ACP agent");
 
         let request = InitializeRequest {
-            protocol_version: agent_client_protocol::V0, // Gemini uses protocol version 0
+            protocol_version: agent_client_protocol::V1,
             client_capabilities: serde_json::from_value(client_capabilities.clone())
                 .context("Invalid client capabilities")?,
             client_info: None,