feat: add bulk delete for session manager (#1693)

* feat: add bulk delete for session manager

* fix: address batch delete review issues

* fix: keep session list in sync after batch delete

src/lib/api/sessions.ts

@@ -7,6 +7,11 @@ export interface DeleteSessionOptions {
   sourcePath: string;
 }
 
+export interface DeleteSessionResult extends DeleteSessionOptions {
+  success: boolean;
+  error?: string;
+}
+
 export const sessionsApi = {
   async list(): Promise<SessionMeta[]> {
     return await invoke("list_sessions");
@@ -28,6 +33,12 @@ export const sessionsApi = {
     });
   },
 
+  async deleteMany(
+    items: DeleteSessionOptions[],
+  ): Promise<DeleteSessionResult[]> {
+    return await invoke("delete_sessions", { items });
+  },
+
   async launchTerminal(options: {
     command: string;
     cwd?: string | null;