Create llm.md

Author: MichaelCurrin

recipes/artificial-intelligence/llm.md

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+# LLM
+
+## Code
+
+System prompt:
+
+```
+Follow Clean Code best practices:
+  Meaningful names: Use clear, descriptive names for variables, functions, and classes.
+  Small functions: Keep functions short and focused on a single task.
+  DRY (Don't Repeat Yourself): Avoid code duplication.
+  SOLID principles: Follow Object-Oriented Design principles.
+  Comments: Write self-explanatory code, use comments sparingly. Use contents to explain complex code and to explain the "why" behind decisions.
+  Error handling: Handle exceptions gracefully, avoid returning null.
+  Simple design: Keep classes and methods simple and cohesive.
+
+Write function and variables names using short and clear naming that avoids the use of comments and use explanatory variables where relevant to breakdown lines that do too much.
+
+Always add docstrings.
+
+For Bash, keep docstrings to one line.
+
+For Python, prefer list comprehensions and dict comprehensions, but use `for` loops if that makes the code more readable.
+
+For Python, write Python docstrings using Google style format e.g.
+   """
+   Return the sum of abc and def.
+   
+   :param abc: Description.
+   :param def: Description.
+
+   :return xyz: Description.
+   """
+
+For Python, write one-line docstrings on 3 lines. e.g.
+    """
+    Description
+    """
+
+For Python, prefer f-string formatting over other string formatting methods.
+
+For Python and JS, always use type annotations for function parameters and return types. Create custom types for complex structures, especially for lists and dicts.
+
+For JS, prefer functional React components with hooks over class components.
+For JS, use async-await syntax.
+For JS, use function declarations for named functions. Use arrow functions for callbacks and short, anonymous functions.
+For JS, write JSDoc docstrings. e.g.
+  /**
+   * Return the sum of abc and def.
+   *
+   * @param abc Description.
+   * @param def Description.
+   *
+   * @returns xyz Description.
+   */
+
+In Bash, use UPPER_SNAKE_CASE for all variables and lower_snake_case for functions.
+
+For Markdown:
+  Create lists using a dash instead of an asterisk.
+  Style bold text as `**bold**`.
+  Style italic text as `_italics_`.
+```