projects : am projects (agregats par depot depuis le journal) + profils de projet dans la config (issue #29) - agent dominant, sessions, durees, cache projects.json rafraichi par doctor --fix

src/repl.rs

@@ -62,6 +62,7 @@ const COMMAND_DESCRIPTIONS: &[(&str, &str)] = &[
     ("status", "show agent state"),
     ("sessions", "list agent sessions"),
     ("stats", "usage statistics"),
+    ("projects", "project activity"),
     ("log", "read the event journal"),
     ("logs", "tail an agent log"),
     ("history", "search command history"),
@@ -144,7 +145,7 @@ impl AmCompleter {
         Self {
             theme: std::cell::Cell::new(crate::theme::default_theme()),
             commands: vec![
-                "list", "status", "sessions", "stats", "log", "logs", "history", "init", "alias", "open", "search", "info", "install", "uninstall", "update",
+                "list", "status", "sessions", "stats", "projects", "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",
@@ -1255,6 +1256,9 @@ fn handle_line(
             agent: rest.first().cloned(),
             period: opt_value("--period"),
         },
+        "projects" => Command::Projects {
+            name: rest.first().cloned(),
+        },
         "log" => Command::Log {
             agent: rest.first().cloned(),
             kind: opt_value("--kind"),
@@ -1378,6 +1382,7 @@ fn is_am_command(word: &str) -> bool {
             | "status"
             | "sessions"
             | "stats"
+            | "projects"
             | "log"
             | "logs"
             | "history"