New web interface, move llm engine to separate process

sia/util.py

@@ -1,67 +1,5 @@
 import datetime
-import xml.dom.minidom
 import xml.etree.ElementTree as ET
-from typing import Iterator, Optional
-
-def stop_before_value(iterator: Iterator[str], stop_value: str) -> Iterator[str]:
-    """
-    Creates an iterator that yields values from the input iterator
-    until it encounters the stop_value (exclusive).
-    
-    Args:
-        iterator: The source iterator
-        stop_value: The value to stop before
-        
-    Yields:
-        Values from the iterator until stop_value is encountered
-        If stop_value is part of an item, yields the part before stop_value
-    """
-    for item in iterator:
-        if stop_value in item:
-            split_point = item.index(stop_value)
-            if split_point > 0:
-                yield item[:split_point]
-            break
-        yield item
-
-def skip_prefix(iterator: Iterator[str], prefix: str) -> Iterator[str]:
-    """
-    Creates an iterator that skips a prefix from the input iterator
-    and yields only the content after the prefix.
-    
-    Args:
-        iterator: The source iterator
-        prefix: The prefix to skip
-        
-    Yields:
-        Values from the iterator after the prefix has been fully skipped
-    """
-    if not prefix:
-        # If no prefix to skip, yield everything
-        yield from iterator
-        return
-    
-    prefix_remaining = prefix
-    
-    for item in iterator:
-        if prefix_remaining:
-            # If the item starts with the remaining prefix
-            if prefix_remaining.startswith(item):
-                # Skip this item entirely
-                prefix_remaining = prefix_remaining[len(item):]
-                continue
-            elif item.startswith(prefix_remaining):
-                # Yield only the part after the prefix
-                yield item[len(prefix_remaining):]
-                prefix_remaining = ""
-            else:
-                # Item doesn't match prefix pattern, yield everything
-                # This is unexpected but we handle it gracefully
-                yield item
-                prefix_remaining = ""
-        else:
-            # No prefix remaining, yield all content
-            yield item
 
 def pretty_print_element(elem: ET.Element, level: int = 0, max_line: int = 80) -> str:
     """Convert ElementTree element to pretty-printed string with custom formatting."""