quick wins (issues #9 #10 #11 #12 #13 #16) : am logs (tail+follow), am list --running/--sort, am config set, am alias add/remove/list, dedup historique, am open

src/repl.rs

@@ -63,8 +63,11 @@ const COMMAND_DESCRIPTIONS: &[(&str, &str)] = &[
     ("sessions", "list agent sessions"),
     ("stats", "usage statistics"),
     ("log", "read the event journal"),
+    ("logs", "tail an agent log"),
     ("history", "search command history"),
     ("init", "generate a project config"),
+    ("alias", "manage aliases"),
+    ("open", "open the install dir"),
     ("search", "search the catalog"),
     ("info", "agent details"),
     ("install", "install an agent"),
@@ -141,7 +144,7 @@ impl AmCompleter {
         Self {
             theme: std::cell::Cell::new(crate::theme::default_theme()),
             commands: vec![
-                "list", "status", "sessions", "stats", "log", "history", "init", "search", "info", "install", "uninstall", "update",
+                "list", "status", "sessions", "stats", "log", "logs", "history", "init", "alias", "open", "search", "info", "install", "uninstall", "update",
                 "start", "stop", "restart", "run", "doctor", "config", "completion",
                 "self-update", "self-uninstall", "export", "import", "shell", "theme",
                 "ls", "dir", "cd", "ps", "where", "get", "help", "version", "exit",
@@ -1196,6 +1199,30 @@ fn handle_line(
         "list" => Command::List {
             all: flag("--all"),
             category: None,
+            running: flag("--running"),
+            sort: opt_value("--sort"),
+        },
+        "logs" => Command::Logs {
+            agent: need("agent name")?,
+            lines: opt_value("--lines").and_then(|v| v.parse().ok()).unwrap_or(20),
+            follow: flag("--follow"),
+        },
+        "open" => Command::Open {
+            agent: need("agent name")?,
+        },
+        "alias" => match rest.first().map(|s| s.as_str()) {
+            Some("add") if rest.len() >= 3 => Command::Alias(crate::cli::AliasCmd::Add {
+                name: rest[1].clone(),
+                target: rest[2].clone(),
+            }),
+            Some("remove") if rest.len() >= 2 => Command::Alias(crate::cli::AliasCmd::Remove {
+                name: rest[1].clone(),
+            }),
+            Some("list") | None => Command::Alias(crate::cli::AliasCmd::List),
+            _ => {
+                app.log.error("usage: alias add <name> <target> | alias remove <name> | alias list");
+                return Ok(false);
+            }
         },
         "status" => Command::Status {
             agent: rest.first().cloned(),
@@ -1333,8 +1360,11 @@ fn is_am_command(word: &str) -> bool {
             | "sessions"
             | "stats"
             | "log"
+            | "logs"
             | "history"
             | "init"
+            | "alias"
+            | "open"
             | "search"
             | "info"
             | "install"