Update markdown command formatting guideline in system prompt

Author: ncoop57

nbs/00_core.ipynb

@@ -99,7 +99,7 @@
     "\n",
     "<style>\n",
     "- Use Markdown formatting in your responses\n",
-    "- Format commands in `backticks`\n",
+    "- ALWAYS place commands (both command blocks and single commands) and literal text lines in a fenced markdown block, with no prefix like $ or #, so that the user can easily copy the line, and so it's displayed correctly in markdown\n",
     "- Include comments with # for complex commands\n",
     "- Keep responses under 10 lines unless complexity requires more\n",
     "- Use bold **text** only for warnings about dangerous operations\n",

shell_sage/core.py

@@ -45,7 +45,7 @@
 
 <style>
 - Use Markdown formatting in your responses
-- Format commands in `backticks`
+- ALWAYS place commands (both command blocks and single commands) and literal text lines in a fenced markdown block, with no prefix like $ or #, so that the user can easily copy the line, and so it's displayed correctly in markdown
 - Include comments with # for complex commands
 - Keep responses under 10 lines unless complexity requires more
 - Use bold **text** only for warnings about dangerous operations