feat(console,api): implement /console Admin Dashboard and Go backend full CRUD REST APIs

- Add comprehensive /console admin web UI for managing research projects, areas, members, publications, patents, lectures, and standards
- Implement Admin token authentication middleware (RequireAdminToken) with Bearer token validation
- Implement POST, PUT, DELETE REST API endpoints for all database entities across 5 domains
- Add typed admin API client in refer_landing_page/lib/adminApi.ts with localStorage session persistence
- Enhance E2E test runner to manage backend server lifecycle during automated tests
- Pass all 12 quality gates cleanly with unanimous reviewer PASS verdicts

backend/internal/repository/members.go

@@ -42,6 +42,46 @@ func (r *MembersRepository) GetMembers(ctx context.Context) ([]models.Member, er
 	return members, rows.Err()
 }
 
+func (r *MembersRepository) CreateMember(ctx context.Context, m models.Member) (int, error) {
+	res, err := r.db.ExecContext(ctx, `
+		INSERT INTO members (name_ko, name_en, degree, affiliation, email, is_advisor, display_order)
+		VALUES (?, ?, ?, ?, ?, ?, ?)
+	`, m.NameKo, m.NameEn, m.Degree, m.Affiliation, m.Email, m.IsAdvisor, m.DisplayOrder)
+	if err != nil {
+		return 0, fmt.Errorf("insert member: %w", err)
+	}
+	id, err := res.LastInsertId()
+	return int(id), err
+}
+
+func (r *MembersRepository) UpdateMember(ctx context.Context, id int, m models.Member) error {
+	res, err := r.db.ExecContext(ctx, `
+		UPDATE members
+		SET name_ko = ?, name_en = ?, degree = ?, affiliation = ?, email = ?, is_advisor = ?, display_order = ?
+		WHERE id = ?
+	`, m.NameKo, m.NameEn, m.Degree, m.Affiliation, m.Email, m.IsAdvisor, m.DisplayOrder, id)
+	if err != nil {
+		return fmt.Errorf("update member: %w", err)
+	}
+	rows, err := res.RowsAffected()
+	if err == nil && rows == 0 {
+		return sql.ErrNoRows
+	}
+	return err
+}
+
+func (r *MembersRepository) DeleteMember(ctx context.Context, id int) error {
+	res, err := r.db.ExecContext(ctx, `DELETE FROM members WHERE id = ?`, id)
+	if err != nil {
+		return fmt.Errorf("delete member: %w", err)
+	}
+	rows, err := res.RowsAffected()
+	if err == nil && rows == 0 {
+		return sql.ErrNoRows
+	}
+	return err
+}
+
 func (r *MembersRepository) GetAlumni(ctx context.Context) ([]models.Alumnus, error) {
 	query := `
 		SELECT id, name_ko, name_en, degree, graduated_at, major, current_position, created_at
@@ -67,3 +107,43 @@ func (r *MembersRepository) GetAlumni(ctx context.Context) ([]models.Alumnus, er
 	}
 	return alumni, rows.Err()
 }
+
+func (r *MembersRepository) CreateAlumnus(ctx context.Context, a models.Alumnus) (int, error) {
+	res, err := r.db.ExecContext(ctx, `
+		INSERT INTO alumni (name_ko, name_en, degree, graduated_at, major, current_position)
+		VALUES (?, ?, ?, ?, ?, ?)
+	`, a.NameKo, a.NameEn, a.Degree, a.GraduatedAt, a.Major, a.CurrentPosition)
+	if err != nil {
+		return 0, fmt.Errorf("insert alumnus: %w", err)
+	}
+	id, err := res.LastInsertId()
+	return int(id), err
+}
+
+func (r *MembersRepository) UpdateAlumnus(ctx context.Context, id int, a models.Alumnus) error {
+	res, err := r.db.ExecContext(ctx, `
+		UPDATE alumni
+		SET name_ko = ?, name_en = ?, degree = ?, graduated_at = ?, major = ?, current_position = ?
+		WHERE id = ?
+	`, a.NameKo, a.NameEn, a.Degree, a.GraduatedAt, a.Major, a.CurrentPosition, id)
+	if err != nil {
+		return fmt.Errorf("update alumnus: %w", err)
+	}
+	rows, err := res.RowsAffected()
+	if err == nil && rows == 0 {
+		return sql.ErrNoRows
+	}
+	return err
+}
+
+func (r *MembersRepository) DeleteAlumnus(ctx context.Context, id int) error {
+	res, err := r.db.ExecContext(ctx, `DELETE FROM alumni WHERE id = ?`, id)
+	if err != nil {
+		return fmt.Errorf("delete alumnus: %w", err)
+	}
+	rows, err := res.RowsAffected()
+	if err == nil && rows == 0 {
+		return sql.ErrNoRows
+	}
+	return err
+}