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/cli.rs

@@ -68,7 +68,32 @@ pub enum Command {
         /// Only show agents of this category
         #[arg(long, value_name = "CATEGORY")]
         category: Option<String>,
+        /// Only show running agents
+        #[arg(long)]
+        running: bool,
+        /// Sort by name, version or status (default: name)
+        #[arg(long, value_name = "KEY")]
+        sort: Option<String>,
     },
+    /// Tail the log file of an agent (--follow for a live view)
+    Logs {
+        /// Agent name or alias
+        agent: String,
+        /// Number of lines to show (default: 20)
+        #[arg(long, value_name = "N", default_value = "20")]
+        lines: usize,
+        /// Follow the log as it grows
+        #[arg(long)]
+        follow: bool,
+    },
+    /// Open an agent's installation directory in the file manager
+    Open {
+        /// Agent name or alias
+        agent: String,
+    },
+    /// Manage command aliases (cc -> claude-code)
+    #[command(subcommand)]
+    Alias(AliasCmd),
     /// Start an agent (foreground by default, or detached with --background)
     Start(StartArgs),
     /// Stop a background agent (SIGTERM, then SIGKILL after the timeout)
@@ -284,6 +309,25 @@ pub struct StartArgs {
     pub notify: bool,
 }
 
+/// Alias management subcommands.
+#[derive(Subcommand, Debug, Clone)]
+pub enum AliasCmd {
+    /// Add an alias (am alias add cc claude-code)
+    Add {
+        /// Short name of the alias
+        name: String,
+        /// Agent name (or another alias) it points to
+        target: String,
+    },
+    /// Remove an alias
+    Remove {
+        /// Alias to remove
+        name: String,
+    },
+    /// List every alias
+    List,
+}
+
 /// Configuration management subcommands.
 #[derive(Subcommand, Debug, Clone)]
 pub enum ConfigCmd {
@@ -300,4 +344,11 @@ pub enum ConfigCmd {
         /// YAML (or JSON) file defining agents to include
         file: PathBuf,
     },
+    /// Set one configuration key without an editor (config set settings.default_shell pwsh)
+    Set {
+        /// Dotted key path, e.g. settings.default_shell
+        key: String,
+        /// New value (booleans and integers keep their type)
+        value: String,
+    },
 }