Validate special chars when creating a team (#209)

* Add validation for team account names

- Prevent creating teams with reserved names like 'billing' and 'settings'
- Add regex validation to block team names with special characters
- Update localization for new error messages
- Extend E2E tests to cover various invalid team name scenarios

* Enhance team account name validation and slug generation

- Add comprehensive tests for account slug generation in Supabase
- Improve team name validation schema to handle special characters
- Add form validation message display in update team account name form
- Refine slug generation to handle various edge cases like special characters, non-ASCII text, and mixed case

apps/web/supabase/tests/database/account-slug.test.sql

@@ -51,6 +51,78 @@ select throws_ok(
   'duplicate key value violates unique constraint "accounts_slug_key"'
 );
 
+-- Test special characters in the slug
+update public.accounts set slug = 'test-5' where slug = 'test-4[';
+
+select row_eq(
+  $$ select slug from public.accounts where name = 'Test 4' $$,
+  row('test-4'::text),
+  'Updating the name of a team account should update the slug'
+);
+
+-- Test various special characters
+update public.accounts set name = 'Test@Special#Chars$' where slug = 'test-4';
+
+select row_eq(
+  $$ select slug from public.accounts where name = 'Test@Special#Chars$' $$,
+  row('test-special-chars'::text),
+  'Special characters should be removed from slug'
+);
+
+-- Test multiple consecutive special characters
+update public.accounts set name = 'Test!!Multiple---Special$$$Chars' where slug = 'test-special-chars';
+
+select row_eq(
+  $a$ select slug from public.accounts where name = 'Test!!Multiple---Special$$$Chars' $a$,
+  row('test-multiple-special-chars'::text),
+  'Multiple consecutive special characters should be replaced with single hyphen'
+);
+
+-- Test leading and trailing special characters
+update public.accounts set name = '!!!LeadingAndTrailing###' where slug = 'test-multiple-special-chars';
+
+select row_eq(
+  $$ select slug from public.accounts where name = '!!!LeadingAndTrailing###' $$,
+  row('leadingandtrailing'::text),
+  'Leading and trailing special characters should be removed'
+);
+
+-- Test non-ASCII characters
+update public.accounts set name = 'Testéñ中文Русский' where slug = 'leadingandtrailing';
+
+select row_eq(
+  $$ select slug from public.accounts where name = 'Testéñ中文Русский' $$,
+  row('testen'::text),
+  'Non-ASCII characters should be transliterated or removed'
+);
+
+-- Test mixed case with special characters
+update public.accounts set name = 'Test Mixed CASE With Special@Chars!' where slug = 'testen';
+
+select row_eq(
+  $$ select slug from public.accounts where name = 'Test Mixed CASE With Special@Chars!' $$,
+  row('test-mixed-case-with-special-chars'::text),
+  'Mixed case should be converted to lowercase and special chars handled'
+);
+
+-- Test using parentheses
+update public.accounts set name = 'Test (Parentheses)' where slug = 'test-mixed-case-with-special-chars';
+
+select row_eq(
+  $$ select slug from public.accounts where name = 'Test (Parentheses)' $$,
+  row('test-parentheses'::text),
+  'Parentheses should be removed from slug'
+);
+
+-- Test using asterisk
+update public.accounts set name = 'Test * Asterisk' where slug = 'test-parentheses';
+
+select row_eq(
+  $$ select slug from public.accounts where name = 'Test * Asterisk' $$,
+  row('test-asterisk'::text),
+  'Asterisk should be removed from slug'
+);
+
 select * from finish();
 
 ROLLBACK;