huskies: merge 558_story_matrix_bot_can_run_on_the_gateway_to_manage_multiple_projects_from_one_chat

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

@@ -450,6 +450,47 @@ pub(super) async fn on_room_message(
         return;
     }
 
+    // In gateway mode, handle the "switch <project>" command to change the
+    // active project without invoking the LLM.
+    if let Some(ref active_project) = ctx.gateway_active_project {
+        let stripped = crate::chat::util::strip_bot_mention(
+            &user_message,
+            &ctx.bot_name,
+            ctx.bot_user_id.as_str(),
+        )
+        .trim()
+        .trim_start_matches(|c: char| !c.is_alphanumeric())
+        .to_string();
+
+        let (cmd, arg) = match stripped.split_once(char::is_whitespace) {
+            Some((c, a)) => (c.to_string(), a.trim().to_string()),
+            None => (stripped.clone(), String::new()),
+        };
+
+        if cmd.eq_ignore_ascii_case("switch") {
+            let response = if arg.is_empty() {
+                let available = ctx.gateway_projects.join(", ");
+                format!("Usage: `switch <project>`. Available projects: {available}")
+            } else if ctx.gateway_projects.iter().any(|p| p == &arg) {
+                *active_project.write().await = arg.clone();
+                format!("Switched to project **{arg}**.")
+            } else {
+                let available = ctx.gateway_projects.join(", ");
+                format!("Unknown project `{arg}`. Available: {available}")
+            };
+            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 the timer command, which requires async file I/O and cannot
     // be handled by the sync command registry.
     if let Some(timer_cmd) = crate::chat::timer::extract_timer_command(
@@ -501,8 +542,14 @@ pub(super) async fn handle_message(
     // The prompt is just the current message with sender attribution.
     // Prior conversation context is carried by the Claude Code session.
     let bot_name = &ctx.bot_name;
+    let active_project_ctx = if let Some(ref ap) = ctx.gateway_active_project {
+        let name = ap.read().await.clone();
+        format!("[Active project: {name}]\n")
+    } else {
+        String::new()
+    };
     let prompt = format!(
-        "[Your name is {bot_name}. Refer to yourself as {bot_name}, not Claude.]\n\n{}",
+        "[Your name is {bot_name}. Refer to yourself as {bot_name}, not Claude.]\n{active_project_ctx}\n{}",
         format_user_prompt(&sender, &user_message)
     );