refactor: Move utility services to a dedicated 'services' module

- Updated import paths for LLM, connector, query, and streaming services to reflect their new location in the 'services' module.
- Removed obsolete utility service files that have been migrated.

surfsense_backend/app/tasks/background_tasks.py

@@ -7,7 +7,7 @@ from app.schemas import ExtensionDocumentContent
 from app.config import config
 from app.prompts import SUMMARY_PROMPT_TEMPLATE
 from app.utils.document_converters import convert_document_to_markdown, generate_content_hash
-from app.utils.llm_service import get_user_long_context_llm
+from app.services.llm_service import get_user_long_context_llm
 from langchain_core.documents import Document as LangChainDocument
 from langchain_community.document_loaders import FireCrawlLoader, AsyncChromiumLoader
 from langchain_community.document_transformers import MarkdownifyTransformer

surfsense_backend/app/tasks/connectors_indexing_tasks.py

@@ -6,7 +6,7 @@ from datetime import datetime, timedelta, timezone
 from app.db import Document, DocumentType, Chunk, SearchSourceConnector, SearchSourceConnectorType, SearchSpace
 from app.config import config
 from app.prompts import SUMMARY_PROMPT_TEMPLATE
-from app.utils.llm_service import get_user_long_context_llm
+from app.services.llm_service import get_user_long_context_llm
 from app.connectors.slack_history import SlackHistory
 from app.connectors.notion_history import NotionHistoryConnector
 from app.connectors.github_connector import GitHubConnector

surfsense_backend/app/tasks/stream_connector_search_results.py

@@ -3,7 +3,7 @@ from uuid import UUID
 
 from app.agents.researcher.graph import graph as researcher_graph
 from app.agents.researcher.state import State
-from app.utils.streaming_service import StreamingService
+from app.services.streaming_service import StreamingService
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.agents.researcher.configuration import SearchMode