Building Auditable AI DecisionOps for Investment ApprovalsBuilding Auditable AI DecisionOps for Investment Approvals
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What happens between an AI recommendation and an approved action? Most AI demos stop at generating a signal, ignoring the operational gap where production risks actually live.
I built Investment DecisionOps AI to engineer that workflow from the ground up—focusing on auditability, strict permission boundaries, and deterministic replay rather than autonomous execution.
Key architectural choices behind the system: • Read-Only Agent Boundaries: CrewAI agents research documents and portfolio context via a stdio MCP tool server restricted strictly to read and compute tools. Agents can analyze and propose, never approve or trade. • Tamper-Evident Evidence Logs: Decision contexts are frozen with per-item SHA-256 hashes so historical replays never drift when underlying data changes. • Payload-Bound Approval Gates: Orders require previewing, step-up re-authentication tied to the exact payload hash, and broker reconciliation. • Lean Modular Monolith: Built with React, FastAPI, Docker, Ollama (qwen3:4b), and PostgreSQL 18 + pgvector handling relational state, vectors, full-text search, and FOR UPDATE SKIP LOCKED background jobs without Redis or Kubernetes bloat.
Designing the brakes takes just as much thought as designing the agents. How do you enforce hard boundaries between AI outputs and state-mutating actions?
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