/remember

Remember a code pattern for future enforcement

Remember a code pattern for future enforcement.

Behavior:

- If the user provides arguments (e.g., `/remember Use composition instead of inheritance`), use that as the note
- If the user is discussing code in context, infer what they want to remember from the conversation
- Only prompt for clarification if there's not enough context to understand what should be remembered
- Automatically detect the relevant code selection, file path, and line range from the current context

Steps:

1. Determine the note from command arguments or conversation context
2. Identify the code to remember (from s...