huskies: merge 1137 story First-run project init flow — walk through config instead of leaving defaults silently

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

@@ -217,8 +217,15 @@ pub(in crate::chat::transport::matrix::bot) async fn on_room_message(
     // endpoint.  Only a small set of gateway-local commands are handled here.
     if ctx.is_gateway() {
         // Commands that are meaningful on the gateway itself (no project state needed).
-        const GATEWAY_LOCAL_COMMANDS: &[&str] =
-            &["help", "ambient", "reset", "switch", "all_status", "new"];
+        const GATEWAY_LOCAL_COMMANDS: &[&str] = &[
+            "help",
+            "ambient",
+            "reset",
+            "switch",
+            "all_status",
+            "new",
+            "config",
+        ];
 
         let stripped = crate::chat::util::strip_bot_mention(
             &user_message,
@@ -293,6 +300,63 @@ pub(in crate::chat::transport::matrix::bot) async fn on_room_message(
             return;
         }
 
+        // `config <project> <key>=<value>` — override an agent or project setting.
+        if cmd == "config" {
+            let response = if let Some(ref store) = ctx.gateway_projects_store {
+                // Parse: "<project> <key>=<value>"
+                let mut parts = args.splitn(2, char::is_whitespace);
+                let project = parts.next().unwrap_or("").trim();
+                let setting = parts.next().unwrap_or("").trim();
+                if project.is_empty() || setting.is_empty() {
+                    "Usage: `config <project> <key>=<value>`\n\
+                     Examples:\n\
+                     - `config myapp coder.model=opus`\n\
+                     - `config myapp default_qa=human`"
+                        .to_string()
+                } else {
+                    match setting.split_once('=') {
+                        None => {
+                            "Usage: setting must be in `key=value` form, e.g. `coder.model=opus`"
+                                .to_string()
+                        }
+                        Some((key, value)) => {
+                            let host_path_opt = {
+                                let projects = store.read().await;
+                                projects.get(project).and_then(|e| e.host_path.clone())
+                            };
+                            match host_path_opt {
+                                None => format!(
+                                    "Project `{project}` not found or has no host path configured."
+                                ),
+                                Some(path) => {
+                                    match super::super::super::new_project::apply_project_config(
+                                        std::path::Path::new(&path),
+                                        key.trim(),
+                                        value.trim(),
+                                    ) {
+                                        Ok(msg) => msg,
+                                        Err(e) => format!("Config error: {e}"),
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            } else {
+                "Gateway projects store unavailable.".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;
+        }
+
         // Gateway-local commands and freeform text fall through to normal handling below.
     }
 
@@ -320,6 +384,7 @@ pub(in crate::chat::transport::matrix::bot) async fn on_room_message(
                 cmd.git_token.as_deref(),
                 cmd.host_path.as_deref(),
                 cmd.adopt_path.as_deref(),
+                cmd.skip_config,
                 store,
                 &ctx.services.project_root,
             )