fix: child tabs now show correct key/model in Model Choice view

Include keyId and modelId in the tab-created WebSocket event so child
agent tabs inherit the parent's model selection on the frontend.

2 files changed, 15 insertions, 4 deletions

diff --git a/packages/frontend/src/lib/tabs.svelte.ts b/packages/frontend/src/lib/tabs.svelte.ts
index 119df2d..9615c3d 100644
--- a/packages/frontend/src/lib/tabs.svelte.ts
+++ b/packages/frontend/src/lib/tabs.svelte.ts
@@ -334,7 +334,12 @@ function createTabStore() {
 				break;
 			}
 			case "tab-created": {
-				const newTabEvent = event as AgentEvent & { id: string; title: string };
+				const newTabEvent = event as AgentEvent & {
+					id: string;
+					title: string;
+					keyId: string | null;
+					modelId: string | null;
+				};
 				// Only add if we don't already have this tab
 				if (!getTabById(newTabEvent.id)) {
 					const tab: Tab = {
@@ -342,8 +347,8 @@ function createTabStore() {
 						title: newTabEvent.title,
 						messages: [],
 						agentStatus: "running",
-						keyId: null,
-						modelId: null,
+						keyId: newTabEvent.keyId ?? null,
+						modelId: newTabEvent.modelId ?? null,
 						reasoningEffort: "max",
 						currentAssistantId: null,
 						tasks: [],
diff --git a/packages/frontend/src/lib/types.ts b/packages/frontend/src/lib/types.ts
index a1ec24b..e810864 100644
--- a/packages/frontend/src/lib/types.ts
+++ b/packages/frontend/src/lib/types.ts
@@ -64,7 +64,13 @@ export type AgentEvent =
 	  }
 	| { type: "permission-prompt"; pending: PermissionPrompt[] }
 	| { type: "shell-output"; data: string; stream: "stdout" | "stderr" }
-	| { type: "tab-created"; id: string; title: string };
+	| {
+			type: "tab-created";
+			id: string;
+			title: string;
+			keyId: string | null;
+			modelId: string | null;
+	  };
 
 export interface TaskItem {
 	id: string;