chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

tests/e2e/repo-collab.test.ts

@@ -0,0 +1,24 @@
+import {env} from 'node:process';
+import {test, expect} from '@playwright/test';
+import {apiCreateRepo, apiCreateUser, login, randomString} from './utils.ts';
+
+test('add collaborator search', async ({page, request}) => {
+  const userName = `repo-collab-${randomString(8)}`;
+  const repoName = `repo-collab-${randomString(8)}`;
+
+  await Promise.all([
+    apiCreateUser(request, userName),
+    apiCreateRepo(request, {name: repoName, autoInit: false}),
+    login(page),
+  ]);
+
+  await page.goto(`/${env.GITEA_TEST_E2E_USER}/${repoName}/settings/collaboration`);
+  const input = page.locator('#search-user-box input.prompt');
+  await input.fill(userName.slice(-6));
+  const result = page.locator('#search-user-box .results .result').first();
+  await expect(result).toContainText(userName);
+  await result.click();
+  await expect(input).toHaveValue(userName);
+  await page.getByRole('button', {name: 'Add Collaborator'}).click();
+  await expect(page.locator('body')).toContainText(userName);
+});