feat: phase 2 — am web : dashboard web local + API JSON (contrats --json, 127.0.0.1, tiny_http, frontend embarqué) (closes #54)

src/cli.rs

@@ -273,6 +273,8 @@ pub enum Command {
         #[arg(long, action = ArgAction::SetTrue)]
         json: bool,
     },
+    /// Local read-only web dashboard with charts (issue #54)
+    Web(WebArgs),
     /// Push the state into the configured git repository (issue #66)
     Sync {
         /// Commit message (default: "am sync — state update")
@@ -606,6 +608,17 @@ pub struct PluginsArgs {
     pub test: Option<String>,
 }
 
+/// Arguments of the web command (issue #54).
+#[derive(Args, Debug, Clone, Default)]
+pub struct WebArgs {
+    /// Port to listen on (default 7878)
+    #[arg(long, value_name = "PORT")]
+    pub port: Option<u16>,
+    /// Do not open the browser automatically
+    #[arg(long, action = ArgAction::SetTrue)]
+    pub no_open: bool,
+}
+
 /// Remote catalog subcommands (issues #60 #67).
 #[derive(Subcommand, Debug, Clone)]
 pub enum CatalogCmd {