chore: import upstream snapshot with attribution

apps/webapp/app/utils/branches.ts

@@ -0,0 +1,24 @@
+import { GitMeta } from "@trigger.dev/core/v3";
+import { z } from "zod";
+
+/** Search/filter params for the branches list pages. */
+export const BranchesOptions = z.object({
+  search: z.string().optional(),
+  showArchived: z.preprocess((val) => val === "true" || val === true, z.boolean()).optional(),
+  page: z.preprocess((val) => Number(val), z.number()).optional(),
+});
+
+/** Payload accepted by the create-branch service/action. */
+export const CreateBranchOptions = z.object({
+  projectId: z.string(),
+  env: z.enum(["preview", "development"]),
+  branchName: z.string().min(1),
+  git: GitMeta.optional(),
+});
+
+/** The create-branch form schema (payload + the form's failure redirect path). */
+export const CreateBranchFormSchema = CreateBranchOptions.and(
+  z.object({
+    failurePath: z.string(),
+  })
+);