WIP: frontend clone_mode removal in create form and API

- Remove clone_mode/branch/new_branch from createInstance API helper
- Remove clone mode UI and branch fields from CreateSessionForm

Remaining: wire workspace_id in form/tool-starter, remove session-card badge, tests

apps/web/src/api/sessions.ts

@@ -31,8 +31,6 @@ export interface Session {
 	url: string | null;
 	container_status?: string;
 	probe_status?: string;
-	clone_mode?: string;
-	branch?: string | null;
 	created_at?: string;
 }
 
@@ -51,12 +49,9 @@ export async function createInstance(
 	repoId: string,
 	toolTypeId: string,
 	displayName?: string,
-	cloneMode?: string,
-	branch?: string,
-	newBranch?: string,
+	workspaceId?: string,
 	configProfileId?: string,
 	sshKeyIds?: string[],
-	workspaceId?: string,
 ): Promise<ToolInstance> {
 	const response = await apiClient.post(
 		`/projects/${projectId}/repositories/${repoId}/instances`,
@@ -64,9 +59,6 @@ export async function createInstance(
 			tool_type_id: toolTypeId,
 			display_name: displayName,
 			workspace_id: workspaceId || undefined,
-			clone_mode: cloneMode || "mount",
-			branch: branch || undefined,
-			new_branch: newBranch || undefined,
 			config_profile_id: configProfileId,
 			ssh_key_ids: sshKeyIds || [],
 		},