fix: ensure blank line break after bold title when stripping separator lines

src/vk_parser_app/text_utils.py

@@ -44,16 +44,25 @@ def build_publication_text(
     base = strip_trailing_hashtag_line(text)
     lines = base.splitlines()
     sep_pattern = re.compile(r"^\s*[━—─\-=\*\#_]{2,}\s*$")
-    filtered_lines = [line for line in lines if not sep_pattern.match(line)]
-    if not filtered_lines:
-        return publication_hashtags(category_tag, source_tag)
+    
+    cleaned_lines = []
+    for line in lines:
+        if sep_pattern.match(line):
+            cleaned_lines.append("")
+        else:
+            cleaned_lines.append(line)
+            
     title_idx = None
-    for idx, line in enumerate(filtered_lines):
+    for idx, line in enumerate(cleaned_lines):
         if line.strip():
             title_idx = idx
             break
+
+    if title_idx is None:
+        return publication_hashtags(category_tag, source_tag)
+
     formatted_lines = []
-    for idx, line in enumerate(filtered_lines):
+    for idx, line in enumerate(cleaned_lines):
         if idx == title_idx and format_title:
             if parse_mode == "html":
                 escaped_title = html.escape(line.strip())
@@ -62,16 +71,23 @@ def build_publication_text(
                 formatted_lines.append(f"**{line.strip()}**")
             else:
                 formatted_lines.append(line.strip())
+            
+            # Ensure a newline break (blank line) after the bold title
+            if idx + 1 < len(cleaned_lines) and cleaned_lines[idx + 1].strip() != "":
+                formatted_lines.append("")
         else:
             if parse_mode == "html":
                 formatted_lines.append(html.escape(line))
             else:
                 formatted_lines.append(line)
-    body = "\n".join(formatted_lines).strip()
+
+    raw_body = "\n".join(formatted_lines)
+    # Collapse multiple consecutive blank lines to at most two newlines (\n\n)
+    normalized_body = re.sub(r"\n{3,}", "\n\n", raw_body).strip()
     hashtags = publication_hashtags(category_tag, source_tag)
     if hashtags:
-        return f"{body}\n\n{hashtags}" if body else hashtags
-    return body
+        return f"{normalized_body}\n\n{hashtags}" if normalized_body else hashtags
+    return normalized_body
 
 
 def parse_categories(value: object) -> list[str]: