refactor: kebab-tui crate + tui 서브커맨드 제거 (UI=CLI/MCP)

crates/kebab-cli/src/main.rs

@@ -333,10 +333,6 @@ enum Cmd {
     /// Print introspection report (wire schemas, capabilities, model versions, stats).
     Schema,
 
-    /// Launch the Ratatui shell (P9-1 — Library pane only; search /
-    /// ask / inspect panes land with p9-2 / p9-3 / p9-4).
-    Tui,
-
     /// Eval suite (placeholder; lands in P9).
     Eval {
         #[command(subcommand)]
@@ -1400,17 +1396,6 @@ fn run(cli: &Cli) -> anyhow::Result<()> {
             Ok(())
         }
 
-        Cmd::Tui => {
-            // P9-1: Ratatui shell with Library pane. Search / Ask /
-            // Inspect panes land in p9-2 / p9-3 / p9-4.
-            let config = match cli.config.as_deref() {
-                Some(path) => kebab_config::Config::load(Some(path))?,
-                None => kebab_config::Config::load(None)?,
-            };
-            let mut app = kebab_tui::App::new(config)?;
-            app.run()
-        }
-
         Cmd::Eval { what } => {
             let cfg = kebab_config::Config::load(cli.config.as_deref())?;
             match what {