PRDA
Pre-Response Discernment Architecture — a prior decision architecture for justified progression in AI systems.
PRDA is a pre-response AI governance architecture. It determines whether an AI system should proceed at all, and under what conditions, before response generation, tool use, memory access, or action execution.
As AI systems move beyond text output into tools, memory, and operational behavior, governance can no longer begin only after an output is produced. PRDA introduces a prior decision layer centered on admissibility, scope, authority, conditions, and escalation.
What PRDA is
PRDA begins from a prior governance question: whether a system should be allowed to proceed at all, under what conditions, within what scope, and with what level of authority before response generation, tool use, memory access, or action execution.
It is designed for AI systems that increasingly move beyond simple output generation into tools, memory, and operational decisions.
Why PRDA now
- AI systems increasingly operate through tools, memory, and action pathways rather than text output alone.
- Output review begins too late for many high-consequence decisions.
- PRDA proposes a governance layer that starts before progression, not only after output.
How PRDA differs
PRDA does not begin from output review, runtime monitoring, or post-hoc auditability. It begins earlier: at the point of admissibility and justified progression.
- Beyond pre-deployment governance: PRDA addresses whether a system should be permitted to progress in a specific case.
- Beyond output validation: it does not ask only whether an output is acceptable, but whether the system should have reached that stage at all.
- Beyond action gating: it governs response generation, tool use, memory access, and action execution under the same prior decision logic.
- Beyond generic governance-by-design: it defines an explicit layer centered on admissibility, conditions, scope, authority, and escalation.
What PRDA is not
PRDA is not a content moderation layer, a post-hoc audit tool, or a substitute for human oversight. It is a prior governance architecture for determining whether and how a system should be permitted to proceed.
Public references
Zenodo publication
Public archived paper and versioned reference record.
https://doi.org/10.5281/zenodo.19371813GitHub public reference demo
Minimal public-facing reference demo for practical exploration.
github.com/DimitraStAthanasopoulouhub/prda-open-reference-demoContact and feedback
For written communication, research contact, or relevant governance discussion:
research@dimitraathanasopoulou.com