feat: phase 2 — coûts par session (stats --costs) + am monitor TUI (closes #49 #50)

src/commands/mod.rs

@@ -20,6 +20,7 @@ pub mod log_cmd;
 pub mod logs_cmd;
 pub mod man_cmd;
 pub mod models_cmd;
+pub mod monitor_cmd;
 pub mod open_cmd;
 pub mod profile_cmd;
 pub mod projects_cmd;
@@ -105,7 +106,12 @@ pub fn execute_command(app: &App, cmd: &Command) -> Result<i32> {
             timeout,
         } => run_cmd::restart(app, start, *force, *timeout),
         Command::Status { agent } => status_cmd::run(app, agent.as_deref()),
-        Command::Stats { agent, period } => stats_cmd::run(app, agent.as_deref(), period.as_deref()),
+        Command::Stats { agent, period, costs } => {
+            stats_cmd::run(app, agent.as_deref(), period.as_deref(), *costs)
+        }
+        Command::Monitor { interval, json } => {
+            monitor_cmd::run(app, *interval, *json)
+        }
         Command::Top { period } => stats_cmd::run_top(app, period.as_deref()),
         Command::Report {
             last_week,