fix: ignore comment blocks in discussion parsing

automation/workflow.py

@@ -46,11 +46,21 @@ def extract_structured_basic(text: str) -> dict[str, list]:
     mentions: list[dict[str, str]] = []
     timeline_data: dict[str, str] | None = None
 
+    in_comment = False
+
     for line in text.splitlines():
         participant, remainder = _extract_participant(line)
         stripped = line.strip()
         if not stripped:
             continue
+        if stripped.startswith("<!--"):
+            if not stripped.endswith("-->"):
+                in_comment = True
+            continue
+        if in_comment:
+            if stripped.endswith("-->"):
+                in_comment = False
+            continue
         if stripped.startswith("#"):
             continue
         analysis = remainder.strip() if participant else stripped