agent_action: Prompt-lab work item started
agent_action: Pinned repository checkout verified
agent_action: I'll research the repository structure first, then evaluate web-search providers ag...
agent_action: Read backend/services/llm_service.py
agent_action: Read backend/api/v1/endpoints.py
agent_action: Read backend/config.py
command: find /home/user/worktrees/attempt-89e051c9-f099-4b7b-8195-22b2d1f348f7-cap-1 -type f -name "*.py" | head -30
agent_action: Read backend/api/v1/endpoints.py
agent_action: Glob **/kb_retrieval_service.py
agent_action: Glob **/kb_service.py
command: find /home/user/worktrees/attempt-89e051c9-f099-4b7b-8195-22b2d1f348f7-cap-1 -type f -name "*retrieval*" -o -name "*kb*service*"
agent_action: Read backend/services/kb_retrieval_service.py
agent_action: Read backend/services/kb_service.py
agent_action: Grep scrapling|scraping
agent_action: Read backend/services/scrapling_client.py
agent_action: Read backend/services/scraper.py
agent_action: Read backend/core/encryption.py
agent_action: Read backend/api/v1/endpoints.py
command: grep -n "def chat\|def stream\|sources\|retrieval" /home/user/worktrees/attempt-89e051c9-f099-4b7b-8195-22b2d1f348f7-cap-1/backend/api/v1/endpoints.py | head -50
command: grep -n "sse_event\|yield\|ChatResponse" /home/user/worktrees/attempt-89e051c9-f099-4b7b-8195-22b2d1f348f7-cap-1/backend/api/v1/endpoints.py | head -50
agent_action: Read backend/api/v1/endpoints.py
agent_action: Read backend/api/v1/sse_utils.py
command: grep -n "def chat_stream\|async def chat_stream" /home/user/worktrees/attempt-89e051c9-f099-4b7b-8195-22b2d1f348f7-cap-1/backend/api/v1/endpoints.py
agent_action: Read backend/services/scraping_provider.py
command: grep -n "httpx\|timeout\|retry\|AsyncClient" /home/user/worktrees/attempt-89e051c9-f099-4b7b-8195-22b2d1f348f7-cap-1/backend/services/*.py | head -60
agent_action: Read backend/services/document_parser.py
command: grep -n "embed\|API_KEY\|api_key\|provider" /home/user/worktrees/attempt-89e051c9-f099-4b7b-8195-22b2d1f348f7-cap-1/backend/services/document_parser.py | head -40
agent_action: Read backend/api/v1/endpoints.py
command: grep -n "class ChatMessage\|sources" /home/user/worktrees/attempt-89e051c9-f099-4b7b-8195-22b2d1f348f7-cap-1/backend/models.py | head -30
agent_action: Read backend/models.py
command: find /home/user/worktrees/attempt-89e051c9-f099-4b7b-8195-22b2d1f348f7-cap-1 -type f -name "requirements*.txt" | head -5
agent_action: Read backend/requirements.txt
command: grep -i "httpx\|aiohttp\|requests\|pydantic\|fastapi" /home/user/worktrees/attempt-89e051c9-f099-4b7b-8195-22b2d1f348f7-cap-1/backend/requirements.txt | head -20
command: grep -n "get_embedding_api_key" /home/user/worktrees/attempt-89e051c9-f099-4b7b-8195-22b2d1f348f7-cap-1/backend/services/kb_document_processor.py | head -5
agent_action: Read backend/services/kb_document_processor.py
agent_action: Now let me research the actual provider documentation. Loading web tools.
agent_action: Let me consult the actual provider documentation for the top candidates in parallel.
url: https://docs.exa.ai/reference/getting-started
url: https://docs.tavily.com/welcome
url: https://api-docs.linkup.so/docs/get-started
agent_action: I'll retry the Exa redirect and Linkup, plus check Brave and Tavily's response format.
url: https://exa.ai/docs/reference/getting-started
url: https://docs.tavily.com/documentation/api-reference/endpoint/search
search: Linkup search API SimpleQA benchmark accuracy sourcedAnswer citations
agent_action: One more comparison to ground the accuracy ranking across providers.
search: web search API for RAG comparison Exa Tavily Brave hallucination accuracy citations...
agent_action: ## Recommendation: Linkup For a product that cannot tolerate hallucination, the dec...
result: Selected openai