Crafting Custom Post Type Strategies for Business Growth

I need a comprehensive strategy for using Custom Post Types in WordPress to better manage my company's diverse content. Our main content types include blog posts, case studies, product documentation, and customer testimonials. Our primary goal is to improve website organization, enhance SEO, and streamline content creation workflows. Can you provide a detailed plan that includes defining the necessary Custom Post Types, outlining the fields for each type, and suggesting plugins or code snippets for implementation? Also provide a brief guide on how to migrate existing content to the new structure. Furthermore, include SEO best practices tailored for each custom post type, as well as recommendations for user roles and permissions to manage content effectively.

Develop a detailed guide for implementing Custom Post Types on a WordPress website, specifically focusing on showcasing client projects for a web design agency. The guide should cover the entire process, from defining the 'Project' Custom Post Type with relevant metadata fields (e.g., project title, description, images, client name, website URL, technologies used) to creating custom templates for displaying projects in an attractive and user-friendly manner. Provide example code snippets for registering the Custom Post Type and creating the associated templates. Additionally, address SEO considerations, such as optimizing permalinks and utilizing schema markup for rich snippets. Include recommendations for plugins that can enhance the functionality of the Custom Post Type, such as those for managing custom fields or creating advanced search filters. The overall goal is to create a professional portfolio section that effectively showcases the agency's work and attracts new clients. Explain the process of creating archives pages based on CPT taxonomies.