Fix lint debt from admin overhaul; make check/lint/test/build green

- Scope @typescript-eslint/no-explicit-any off for *.spec.ts test doubles
- Type enhance() submit callbacks with SubmitFunction in api-keys page
- Drop as-any casts in proclamations upsert by using typed form data
- Fix useless regex escapes in profiles phone validation
- Remove unused locals param from api-keys load
- Use resolve() for admin nav/error links; store literal hrefs in adminModels
- Update README admin section and ADMIN_OVERHAUL lint caveat

src/routes/(protected)/admin/profiles/+page.server.ts

@@ -10,7 +10,7 @@ const email = z.string().email('Invalid email address');
 const phone = z
 	.string()
 	.min(10, 'Phone number must be at least 10 digits')
-	.regex(/^[\d\-\+\(\) ]+$/, 'Invalid phone number format');
+	.regex(/^[\d\-+() ]+$/, 'Invalid phone number format');
 const name = z.string().min(1, 'Required').max(100, 'Too long');
 
 const ProfileSchema = z.object({