daemon: add run-agent RPC for queuing agent jobs

Adds `poc-memory daemon run-agent <type> <count>` CLI command that
sends an RPC to the daemon to queue agent runs, instead of spawning
separate processes.

Co-Authored-By: Kent Overstreet <kent.overstreet@linux.dev>

poc-memory/src/agents/daemon.rs

@@ -1277,6 +1277,17 @@ pub fn rpc_consolidate() -> Result<(), String> {
     }
 }
 
+pub fn rpc_run_agent(agent: &str, count: usize) -> Result<(), String> {
+    let cmd = format!("run-agent {} {}", agent, count);
+    match send_rpc(&cmd) {
+        Some(resp) => {
+            println!("{}", resp.trim());
+            Ok(())
+        }
+        None => Err("Daemon not running.".into()),
+    }
+}
+
 fn read_status_socket() -> Option<DaemonStatus> {
     use std::io::Read as _;
     use std::os::unix::net::UnixStream;

poc-memory/src/main.rs

@@ -2423,6 +2423,11 @@ fn cmd_daemon(sub: Option<&str>, args: &[String]) -> Result<(), String> {
         }
         Some("install") => daemon::install_service(),
         Some("consolidate") => daemon::rpc_consolidate(),
+        Some("run-agent") | Some("run") => {
+            let agent = args.first().map(|s| s.as_str()).unwrap_or("replay");
+            let count: usize = args.get(1).and_then(|s| s.parse().ok()).unwrap_or(1);
+            daemon::rpc_run_agent(agent, count)
+        }
         Some("tui") => tui::run_tui(),
         Some(other) => Err(format!("unknown daemon subcommand: {}", other)),
     }