Fix source import parsing and AI settings UI

src/vk_parser_app/admin.py

@@ -897,6 +897,22 @@ def parse_source_line(line: str) -> dict[str, str]:
     raw = (line or "").strip()
     if not raw:
         return {"name": "", "tag": "", "url": "", "error": "Пустая строка"}
+    delimiter = next((sep for sep in ("\t", "|", ";") if sep in raw), "")
+    if delimiter:
+        fields = [part.strip() for part in raw.split(delimiter)]
+        fields = [part for part in fields if part]
+        if len(fields) == 2:
+            name, url = fields
+            tag = name
+        elif len(fields) == 3:
+            name, tag, url = fields
+        else:
+            return {"name": "", "tag": "", "url": "", "error": "Формат: Название | тэг | ссылка"}
+        if url.startswith(("vk.com/", "vk.ru/", "m.vk.com/")):
+            url = f"https://{url}"
+        url = url.replace("https://vk.ru/", "https://vk.com/", 1).replace("https://m.vk.com/", "https://vk.com/", 1)
+        return {"name": name, "tag": normalize_hash_tag(tag, ""), "url": url, "error": ""}
+
     parts = re.split(r"\s+", raw)
     url_index = next(
         (