fix(practice): allow teachers to create student profiles

Teachers were only able to add students via family code (EnrollChildModal).
This change shows the full AddStudentModal which allows both creating new
student profiles and adding existing students via code.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/web/src/app/practice/PracticeClient.tsx

@@ -297,14 +297,10 @@ export function PracticeClient({ initialPlayers, viewerId, userId }: PracticeCli
     }
   }, [promptEligibleIds, bulkEntryPrompt, showSuccess, showError])
 
-  // Handle add student - different modal for teachers vs parents
+  // Handle add student - show create modal for both teachers and parents
   const handleAddStudent = useCallback(() => {
-    if (isTeacher) {
-      setShowAddByFamilyCode(true)
-    } else {
-      setShowAddModal(true)
-    }
-  }, [isTeacher])
+    setShowAddModal(true)
+  }, [])
 
   const handleCloseAddModal = useCallback(() => {
     setShowAddModal(false)