agent_action: Prompt-lab work item started
agent_action: Pinned repository checkout verified
agent_action: I’ll inspect the repo guidance and the agent/LLM flow first, then verify current pr...
command: /bin/bash -lc "pwd && rg --files -g 'AGENTS.md' -g 'CLAUDE.md' -g 'README.md' -g 'README.*'"
command: /bin/bash -lc "pwd && rg --files -g 'AGENTS.md' -g 'CLAUDE.md' -g 'README.md' -g 'README.*'"
command: /bin/bash -lc 'rg -n "web|search|retrieval|ground|citation|source|SSE|llm|provider|agent" backend frontend-nextjs widget README.md CLAUDE.md AGENTS.md 2>/dev/null'
command: /bin/bash -lc 'rg -n "web|search|retrieval|ground|citation|source|SSE|llm|provider|agent" backend frontend-nextjs widget README.md CLAUDE.md AGENTS.md 2>/dev/null'
agent_action: `rg` is not installed in this workspace, so I’m falling back to `find` and `grep`. ...
command: /bin/bash -lc "find . -name AGENTS.md -o -name CLAUDE.md -o -iname 'README*' | sort"
command: /bin/bash -lc "find . -name AGENTS.md -o -name CLAUDE.md -o -iname 'README*' | sort"
command: /bin/bash -lc 'grep -RInE "web|search|retrieval|ground|citation|source|SSE|llm|provider|agent" backend frontend-nextjs widget README.md CLAUDE.md AGENTS.md 2>/dev/null | head -n 300'
command: /bin/bash -lc 'grep -RInE "web|search|retrieval|ground|citation|source|SSE|llm|provider|agent" backend frontend-nextjs widget README.md CLAUDE.md AGENTS.md 2>/dev/null | head -n 300'
agent_action: I’ve found the relevant chat path: the backend already builds `sources`, emits them...
command: /bin/bash -lc "sed -n '1,240p' CLAUDE.md"
command: /bin/bash -lc "sed -n '1,240p' CLAUDE.md"
command: /bin/bash -lc "sed -n '480,940p' backend/api/v1/endpoints.py"
command: /bin/bash -lc "sed -n '480,940p' backend/api/v1/endpoints.py"
command: /bin/bash -lc "sed -n '1,280p' backend/services/llm_service.py"
command: /bin/bash -lc "sed -n '1,280p' backend/services/llm_service.py"
command: /bin/bash -lc "sed -n '1,260p' README.md"
command: /bin/bash -lc "sed -n '1,260p' README.md"
command: /bin/bash -lc "sed -n '1,260p' backend/services/kb_retrieval_service.py"
command: /bin/bash -lc "sed -n '1,260p' backend/services/kb_retrieval_service.py"
agent_action: The codebase has a good insertion point: `prepare_chat_request` retrieves tenant KB...
command: /bin/bash -lc 'grep -RInE "provider_type|class .*LLM|OpenAI|Anthropic|Google|Gemini|DeepSeek|get_llm_service|sources" backend/models.py backend/schemas.py backend/config.py backend/services/llm_service.py backend/tests 2>/dev/null | head -n 400'
command: /bin/bash -lc 'grep -RInE "provider_type|class .*LLM|OpenAI|Anthropic|Google|Gemini|DeepSeek|get_llm_service|sources" backend/models.py backend/schemas.py backend/config.py backend/services/llm_service.py backend/tests 2>/dev/null | head -n 400'
command: /bin/bash -lc "sed -n '280,760p' backend/services/llm_service.py"
command: /bin/bash -lc "sed -n '280,760p' backend/services/llm_service.py"
command: /bin/bash -lc 'grep -RInE "sources|#source|citation|snippet|stream.*sources" frontend-nextjs/src widget/src backend/tests 2>/dev/null | head -n 300'
command: /bin/bash -lc 'grep -RInE "sources|#source|citation|snippet|stream.*sources" frontend-nextjs/src widget/src backend/tests 2>/dev/null | head -n 300'
search: OpenAI Responses API web search tool citations documentation official
search: Perplexity Sonar API citations search domain filter documentation official
url: https://platform.openai.com/docs/guides/tools-web-search?api-mode=responses
search: 'allowed_domains' in https://platform.openai.com/docs/guides/tools-web-search?api-m...
url: https://docs.tavily.com/documentation/api-reference/endpoint/search
url: https://help.tavily.com/articles/3960993389-does-tavily-search-api-provide-citations-for-its-results
search: site:docs.perplexity.ai API reference chat completions citations Perplexity Sonar s...
agent_action: Provider-wise, the main architectural tradeoff is now clear: model-coupled web tool...
command: /bin/bash -lc "nl -ba backend/api/v1/endpoints.py | sed -n '489,535p;865,924p;1288,1302p;1378,1392p'"
command: /bin/bash -lc "nl -ba backend/api/v1/endpoints.py | sed -n '489,535p;865,924p;1288,1302p;1378,1392p'"
command: /bin/bash -lc "nl -ba widget/src/BasjooWidget.tsx | sed -n '28,40p;1646,1655p'"
command: /bin/bash -lc "nl -ba widget/src/BasjooWidget.tsx | sed -n '28,40p;1646,1655p'"
command: /bin/bash -lc "nl -ba backend/services/llm_service.py | sed -n '751,887p'"
command: /bin/bash -lc "nl -ba backend/services/llm_service.py | sed -n '751,887p'"
command: /bin/bash -lc "nl -ba frontend-nextjs/src/services/api.ts | sed -n '20,48p;420,436p'"
command: /bin/bash -lc "nl -ba frontend-nextjs/src/services/api.ts | sed -n '20,48p;420,436p'"
url: https://docs.perplexity.ai/docs/sonar/quickstart
search: 'Search results and metadata are delivered' in https://docs.perplexity.ai/docs/sona...
url: https://docs.perplexity.ai/docs/grounded-llm/chat-completions/filters/context-size
url: https://docs.tavily.com/documentation/api-reference/endpoint/search
agent_action: **Recommendation** Use **Tavily Search API**, as a retrieval-only layer, not its ge...
result: Selected unknown