Move the example dialogue to the chat history, and keep it hidden.

This greatly improves the performance of text generation, as
histories can be quite long. It also makes more sense to implement
it this way.

html_generator.py

@@ -6,6 +6,7 @@ This is a library for formatting GPT-4chan and chat outputs as nice HTML.
 
 import re
 from pathlib import Path
+import copy
 
 def generate_basic_html(s):
     s = '\n'.join([f'<p style="margin-bottom: 20px">{line}</p>' for line in s.split('\n')])
@@ -160,7 +161,7 @@ def generate_4chan_html(f):
 
     return output
 
-def generate_chat_html(history, name1, name2, character):
+def generate_chat_html(_history, name1, name2, character):
     css = """
     .chat {
       margin-left: auto;
@@ -233,6 +234,13 @@ def generate_chat_html(history, name1, name2, character):
             img = f'<img src="file/{i}">'
             break
 
+    history = copy.deepcopy(_history)
+    for i in range(len(history)):
+        if '<|BEGIN-VISIBLE-CHAT|>' in history[i][0]:
+            history[i][0] = history[i][0].replace('<|BEGIN-VISIBLE-CHAT|>', '')
+            history = history[i:]
+            break
+
     for i,_row in enumerate(history[::-1]):
         row = _row.copy()
         row[0] = re.sub(r"[\\]*\*", r"*", row[0])