* swapping out hardcoded str for prefix (forgot to include in #569)
* add extra failout when the summarizer tries to run on a single message
* added function response validation code, currently will truncate responses based on character count
* added return type hints (functions/tools should either return strings or None)
* discuss function output length in custom function section
* made the truncation more informative
* partial
* working schema builder, tested that it matches the hand-written schemas
* correct another schema diff
* refactor
* basic working test
* refactored preset creation to use yaml files
* added docstring-parser
* add code for dynamic function linking in agent loading
* pretty schema diff printer
* support pulling from ~/.memgpt/functions/*.py
* clean
* allow looking for system prompts in ~/.memgpt/system_prompts
* create ~/.memgpt/system_prompts if it doesn't exist
* pull presets from ~/.memgpt/presets in addition to examples folder
* add support for loading agent configs that have additional keys
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Co-authored-by: Sarah Wooders <sarahwooders@gmail.com>
