markdown fix but introduces a regresssion...

src/markdown_helper.py

@@ -134,9 +134,9 @@ class MarkdownRenderer:
    if md_buf:
     chunk = "".join(md_buf)
     if chunk.strip():
-     imgui_md.render(chunk)
-     imgui.spacing()
+     self._render_md_no_bullet_overlap(chunk)
     md_buf.clear()
+
   def flush_code() -> None:
    nonlocal block_idx
    if code_buf:
@@ -182,6 +182,41 @@ class MarkdownRenderer:
 
   flush_md()
   flush_code()
+
+ def _render_md_no_bullet_overlap(self, chunk: str) -> None:
+  """Render markdown, but split out bulleted-list sections and render them
+  as plain text via imgui.text to avoid imgui_md's known bullet-overlap bug.
+  """
+  import re
+  list_pattern = re.compile(r"^(?P<indent>[ \t]*)(?:[-*+])\s+", re.MULTILINE)
+  current_pos = 0
+  for m in list_pattern.finditer(chunk):
+   if m.start() > current_pos:
+    pre = chunk[current_pos:m.start()]
+    if pre.strip(): imgui_md.render(pre)
+   list_start = m.start()
+   indent_len = len(m.group("indent"))
+   i = list_start
+   while i < len(chunk):
+    line_end = chunk.find("\n", i)
+    if line_end == -1: line_end = len(chunk)
+    line = chunk[i:line_end]
+    stripped = line.lstrip(" \t")
+    leading_ws = len(line) - len(stripped)
+    if leading_ws == indent_len and (stripped.startswith(("- ", "* ", "+ ")) or stripped == ""):
+     i = line_end + 1
+     continue
+    if leading_ws < indent_len:
+     break
+    i = line_end + 1
+   list_block = chunk[list_start:i]
+   for line in list_block.splitlines():
+    imgui.text(line) if line.strip() else imgui.spacing()
+   current_pos = i
+  if current_pos < len(chunk):
+   tail = chunk[current_pos:]
+   if tail.strip(): imgui_md.render(tail)
+
  def render_unindented(self, text: str) -> None:
   """Render Markdown text with automatic unindentation."""
   imgui_md.render_unindented(text)