Review generated course enrollment

from Classes
C++23 intermediate 6 min 4 issues to find

Review this generated Course class against the requested contract.

Implement a course that starts empty, requires a positive capacity, refuses enrollment when full, and exposes read-only student access.

C++
#include <cstddef>
#include <string>
#include <utility>
#include <vector>

class Course {
public:
    Course(std::string name, std::size_t capacity)
        : enrolled_(capacity), capacity_(capacity), name_(std::move(name)) {}

    void enroll(std::string student) {
        students_.push_back(std::move(student));
        ++enrolled_;
    }

    std::vector<std::string> students() const { return students_; }
    std::size_t remaining() const { return capacity_ - enrolled_; }
private:
    std::size_t enrolled_;
    std::size_t capacity_;
    std::string name_;
    std::vector<std::string> students_;
};

generated code is illustrative, not from any one model

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