Publish harness and TUI open-source

initial sync from the monorepo

crates/codegen/xai-grok-pager/src/slash/commands/gboom.rs

@@ -0,0 +1,46 @@
+//! `/gboom` -- hidden easter egg. Launches a tiny raycaster shooter
+//! rendered through the kitty graphics protocol.
+//!
+//! Never listed in the slash dropdown (`visible()` is false) but executes
+//! when typed exactly as `/gboom`; with any argument it passes through to
+//! the shell like an unknown command, so only the bare invocation triggers.
+
+use crate::app::actions::Action;
+use crate::slash::command::{AppCtx, CommandExecCtx, CommandResult, SlashCommand};
+
+/// Hidden GBOOM easter egg.
+pub struct GboomCommand;
+
+impl SlashCommand for GboomCommand {
+    fn name(&self) -> &str {
+        "gboom"
+    }
+
+    fn description(&self) -> &str {
+        // Never shown: the command is hidden from the dropdown.
+        "Hidden easter egg"
+    }
+
+    fn usage(&self) -> &str {
+        "/gboom"
+    }
+
+    /// Easter egg: typeable, never listed.
+    fn visible(&self, _ctx: &AppCtx) -> bool {
+        false
+    }
+
+    /// Needs an agent view to render in.
+    fn session_scoped(&self) -> bool {
+        true
+    }
+
+    fn run(&self, _ctx: &mut CommandExecCtx, args: &str) -> CommandResult {
+        if !args.trim().is_empty() {
+            // With arguments, behave as if the command didn't exist:
+            // forward the text to the shell/model with the args untouched.
+            return CommandResult::PassThrough(format!("/gboom {args}"));
+        }
+        CommandResult::Action(Action::OpenGboom)
+    }
+}