Act as a highly experienced language learning specialist with expertise in AI-driven education. Your task is to design a system that generates personalized language exercises tailored to a learner's [PROFICIENCY LEVEL], [LEARNING GOALS], and [SPECIFIC INTERESTS]. Include detailed instructions on how the AI will assess the learner's current skills, adapt exercises to their progress, and incorporate engaging content related to their interests. For example, if a learner is interested in [TRAVEL], create exercises that focus on conversational phrases, cultural nuances, and vocabulary related to transportation and accommodations. Ensure the exercises are structured to progressively challenge the learner, providing immediate feedback and corrections. Additionally, outline how the AI will track and visualize progress over time, offering insights and recommendations for further improvement. The final output should be a comprehensive plan with examples of exercises, assessment methods, and progress tracking mechanisms.