fix(telegram): preserve numbering with malformed nested lists (#202)

tests/test_rendering.py

@@ -1,3 +1,5 @@
+import re
+
 from takopi.telegram.render import render_markdown, split_markdown_body
 
 
@@ -20,6 +22,34 @@ def test_render_markdown_code_fence_language_is_string() -> None:
     assert any(e.get("type") == "code" for e in entities)
 
 
+def test_render_markdown_keeps_ordered_numbering_with_unindented_sub_bullets() -> None:
+    md = (
+        "1. Tune maker\n"
+        "- Sweep\n"
+        "- Keep data\n"
+        "1. Increase\n"
+        "- Raise target\n"
+        "- Keep\n"
+        "1. Train\n"
+        "- Start\n"
+        "1. Add\n"
+        "- Keep exposure\n"
+        "1. Run\n"
+        "- Target pnl\n"
+    )
+
+    text, _ = render_markdown(md)
+    numbered = [line for line in text.splitlines() if re.match(r"^\d+\.\s", line)]
+
+    assert numbered == [
+        "1. Tune maker",
+        "2. Increase",
+        "3. Train",
+        "4. Add",
+        "5. Run",
+    ]
+
+
 def test_split_markdown_body_closes_and_reopens_fence() -> None:
     body = "```py\n" + ("line\n" * 10) + "```\n\npost"