ARTICLENOTEBOOKMARKKNOWLEDGE INDEXpgvector / hybrid searchGROUNDED ANSWER[1] [2] [3] sourcesEXTRACT → ANALYZE → EMBEDARCHITECTURE ILLUSTRATION
01 / AI knowledge base · Web + Android

Social Brain

Saved content needs to become useful knowledge. That means extracting, organizing, and retrieving it without making people wait for each AI operation to finish.

TypeScriptNext.js 15React NativePostgreSQL / pgvectorClaude APIBullMQRedisTurborepo
Web + AndroidOne shared codebase
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10,000+DOCUMENTSRERANK01020392%ANSWER RELEVANCEevaluated with RAGASHYBRID RETRIEVAL / CROSS-ENCODER RERANKINGARCHITECTURE ILLUSTRATION
02 / Retrieval · Evaluation

Enterprise RAG

A large document collection is only useful if an assistant can retrieve the right context and keep answer quality measurable as the system changes.

PythonLangChainPineconeOpenAINext.jsDeepEvalRAGAS
92%Answer relevance · RAGAS
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STATEFULMEMORYAGENT 01tool handoffAGENT 02tool handoffAGENT 03tool handoffHUMAN APPROVALLANGGRAPH + CREWAI / ORCHESTRATED DOCUMENT PROCESSINGARCHITECTURE ILLUSTRATION
03 / Agent orchestration · Automation

Agent Workflows

Manual document processing slows a workflow down. Automating it requires coordinated tool use, retained context, and a way for people to approve key steps.

PythonLangGraphCrewAIFastAPIReactAWS
70%Less processing time
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A CONVERSATION, WITH CONTEXT.WHISPERspeech to textGPT-4o + MEMORYpersistent vector storeELEVENLABStext to speechCALENDAR / CRM / SEARCH<1.5sLATENCYARCHITECTURE ILLUSTRATION
04 / Voice AI · Realtime systems

Voice & Memory

A useful voice agent needs to respond quickly, retain context, and take action through external tools within the same interaction.

PythonWhisperGPT-4oElevenLabsLangChainGoogle Cloud Run
<1.5sLatency via async streaming
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