Improves the quality and relevance of research-backed AI operations: - Tweaks Perplexity AI calls to use max input tokens (8700), temperature 0.1, high context size, and day-fresh search recency. - Adds a system prompt to guide Perplexity research output. Docs: - Updates CLI examples in taskmaster.mdc to use ANSI-C quoting ($'...') for multi-line prompts, ensuring they work correctly in bash/zsh.