huskies: merge 1144 story Gateway trampoline-restart: detached helper survives the gateway's own death

server/src/main.rs

@@ -51,6 +51,8 @@ pub mod sled_uplink;
 mod startup;
 mod state;
 mod store;
+/// Detached trampoline — kills the running gateway and starts the new binary.
+pub mod trampoline;
 /// In-container binary self-update — fetch, atomic replace, and re-exec.
 pub mod upgrade;
 /// Validated input layer — transport-agnostic newtypes and request structs for all MCP write tools.
@@ -162,6 +164,11 @@ async fn main() -> Result<(), std::io::Error> {
         }
     }
 
+    // ── Trampoline mode: kill old gateway, start new one ─────────────────────
+    if let Some(ref job_path) = cli.trampoline {
+        trampoline::run_trampoline(std::path::Path::new(job_path)).await;
+    }
+
     // ── Upgrade mode: fetch new binary, replace, exit ───────────────────────
     if cli.upgrade {
         let source = cli
@@ -414,6 +421,7 @@ async fn main() -> Result<(), std::io::Error> {
             None,
             timer_store_for_bot,
             None,
+            None,
         );
     } else {
         drop(matrix_shutdown_rx);