Update UI and migrations, fix dockerfile

src/vk_parser_app/text_utils.py

@@ -11,6 +11,34 @@ def normalize_hash_tag(value: str, fallback: str = "source") -> str:
     return tag or fallback
 
 
+def strip_trailing_hashtag_line(text: str) -> str:
+    lines = str(text or "").rstrip().splitlines()
+    while lines and not lines[-1].strip():
+        lines.pop()
+    if not lines:
+        return ""
+    parts = lines[-1].split()
+    if parts and all(part.startswith("#") and normalize_hash_tag(part, "") for part in parts):
+        lines.pop()
+    return "\n".join(lines).rstrip()
+
+
+def publication_hashtags(category_tag: str, source_tag: str) -> str:
+    tags = [
+        normalize_hash_tag(category_tag, "category"),
+        normalize_hash_tag(source_tag, "source"),
+    ]
+    return " ".join(f"#{tag}" for tag in tags if tag)
+
+
+def build_publication_text(text: str, category_tag: str, source_tag: str) -> str:
+    base = strip_trailing_hashtag_line(text)
+    hashtags = publication_hashtags(category_tag, source_tag)
+    if not hashtags:
+        return base
+    return f"{base}\n\n{hashtags}" if base else hashtags
+
+
 def parse_categories(value: object) -> list[str]:
     if isinstance(value, list):
         raw_items = [str(item) for item in value]