huskies: merge 1140 story One-shot project-rebuild chat command: rebuild image, swap container, reconnect, preserve state

server/src/chat/transport/matrix/bot/messages/on_room_message.rs

@@ -225,6 +225,7 @@ pub(in crate::chat::transport::matrix::bot) async fn on_room_message(
             "all_status",
             "new",
             "config",
+            "project-rebuild",
         ];
 
         let stripped = crate::chat::util::strip_bot_mention(
@@ -404,6 +405,46 @@ pub(in crate::chat::transport::matrix::bot) async fn on_room_message(
         return;
     }
 
+    // In gateway mode, handle the `project-rebuild <name>` command to rebuild a
+    // project container and swap it without losing pipeline state.
+    if ctx.is_gateway()
+        && let Some(rebuild_cmd) =
+            super::super::super::project_rebuild::extract_project_rebuild_command(
+                &user_message,
+                &ctx.services.bot_name,
+                ctx.matrix_user_id.as_str(),
+            )
+    {
+        slog!(
+            "[matrix-bot] Handling project-rebuild command from {sender}: name={:?} timeout={}s force={}",
+            rebuild_cmd.name,
+            rebuild_cmd.drain_timeout_secs,
+            rebuild_cmd.force,
+        );
+        let response = if let Some(ref store) = ctx.gateway_projects_store {
+            super::super::super::project_rebuild::handle_project_rebuild(
+                &rebuild_cmd.name,
+                rebuild_cmd.drain_timeout_secs,
+                rebuild_cmd.force,
+                store,
+                &ctx.services.project_root,
+            )
+            .await
+        } else {
+            "Gateway projects store unavailable — cannot rebuild project.".to_string()
+        };
+        let html = markdown_to_html(&response);
+        if let Ok(msg_id) = ctx
+            .transport
+            .send_message(&room_id_str, &response, &html)
+            .await
+            && let Ok(event_id) = msg_id.parse()
+        {
+            ctx.bot_sent_event_ids.lock().await.insert(event_id);
+        }
+        return;
+    }
+
     // Check for bot-level commands (help, status, ambient, …) before invoking
     // the LLM.  All commands are registered in commands.rs — no special-casing
     // needed here.