refactor(#2581): carve per-agent mcp.sock protocol into hive-agent-sock crate

hive-agent-wake/Cargo.toml

@@ -13,7 +13,7 @@ workspace = true
 [dependencies]
 anyhow.workspace = true
 clap.workspace = true
-hive-sh4re.workspace = true
+hive-agent-sock.workspace = true
 serde.workspace = true
 serde_json.workspace = true
 tokio.workspace = true

hive-agent-wake/src/main.rs

@@ -13,7 +13,7 @@ use std::path::PathBuf;
 
 use anyhow::Result;
 use clap::Parser;
-use hive_sh4re::{AgentRequest, AgentResponse};
+use hive_agent_sock::{AgentRequest, AgentResponse};
 
 /// Per-agent MCP socket, bind-mounted from the host into every container.
 const DEFAULT_SOCKET: &str = "/run/hive/mcp.sock";