Use poster token for VK source resolve fallback

src/vk_parser_app/admin.py

@@ -952,7 +952,8 @@ async def build_sources_preview(lines_text: str, default_active: bool = True) ->
 
     seen: set[str] = set()
     seen_tags: set[str] = set()
-    async with VKAPIClient(rps=2, timeout_total_sec=12, timeout_connect_sec=5, retry_attempts=2) as client:
+    resolve_token = await vk_resolve_token()
+    async with VKAPIClient(token=resolve_token, rps=2, timeout_total_sec=12, timeout_connect_sec=5, retry_attempts=2) as client:
         preview = []
         for idx, item in enumerate(parsed, start=1):
             url = item.get("url") or ""
@@ -997,6 +998,14 @@ async def build_sources_preview(lines_text: str, default_active: bool = True) ->
     return preview
 
 
+async def vk_resolve_token() -> str:
+    return (
+        settings.vk_access_token.strip()
+        or str(await fetch_setting("vk_poster_access_token", "") or "").strip()
+        or settings.vk_group_access_token.strip()
+    )
+
+
 def pipeline_stage(post: dict[str, Any]) -> dict[str, str]:
     status = str(post.get("status") or "")
     qualification_status = str(post.get("qualification_status") or "").strip().lower()
@@ -2317,7 +2326,7 @@ async def source_create(
     status_msg = None
     if platform == PLATFORM_VK and external_id:
         try:
-            async with VKAPIClient(rps=2, timeout_total_sec=12, timeout_connect_sec=5, retry_attempts=2) as client:
+            async with VKAPIClient(token=await vk_resolve_token(), rps=2, timeout_total_sec=12, timeout_connect_sec=5, retry_attempts=2) as client:
                 screen_name, owner_id, vk_name = await client.resolve_group(url)
             external_id = screen_name
             external_owner_id = owner_id