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THE HUMAN–AGENT EXPERIENCE LAYER

Designing steerable interfaces, deterministic boundaries and trust protocols for enterprise AI adoption.

Human–Agent Interaction

2026

Case Study

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THE PROBLEM

The blocker is steerability, not model capability

Enterprise AI adoption stalls less often on model capability than on an interface and steerability crisis. When teams integrate LLMs and autonomous agents into production workflows, three failure modes recur.

Opaque execution

Non-technical domain experts — designers, PMs, ops leads — lack real-time visibility into agent reasoning, which breeds distrust.

Brittle context

Unconstrained agents generate code or content that breaks architectural patterns and violates brand design tokens.

All-or-nothing autonomy

Systems force a false binary between manual labor and unmonitored autonomous execution.

A dark steerable-interface screen: a glowing cluster map beside a selected-cluster panel, an action preview, and an Explore, Inspect, Adjust, Continue step list

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RESEARCH SCOPE

Twelve months,
three axes

Over 12 months across production client deployments at VML Middle East, enterprise MarOps projects at Hovi Digital Lab / GrowerAI, and self-directed R&D.

The investigation covered human-agent interaction patterns across three axes: steerability protocols (how operators guide agent state without manual code rewriting), deterministic verification (combining LLM output with static AST/schema validation), and visual inspection (real-time feedback for high-dimensional model output).

A three-stage deterministic-boundary diagram: a design contract of tokens, structure and constraints, feeding validation checks, feeding a human-ready steerable artifact, with a review loop above

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THREE FINDINGS

Three findings

Interactive checkpoints outperform post-hoc audits

Human-in-the-loop steering measured 4x more effective when applied at decision checkpoints during agent execution than when reviewing completed output after the fact.

Schema-constrained protocols eliminate the majority of regressions

Enforcing explicit, machine-readable UI contracts at the tool boundary — the approach shipped as cox-protocol — eliminated 80% of the regressions caused by agent context drift and design-token violations.

Structured visual inspection builds operational trust

Live diff previews and activation maps (the approach behind nebulai’s interpretability visualizer) turn agent behavior from an unpredictable black box into something a non-technical reviewer can actually inspect.

A laptop showing an interpretability semantic map as a bright particle cluster, beside three numbered cards reading Inspect, Steer and Validate

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REFERENCE
IMPLEMENTATIONS

Three shipped artifacts carry the argument — each one built, not proposed

cox-protocol

Architected the npm CLI and JSON Schema validator for agentic UI generation. Built with TypeScript, Node.js, JSON Schema.

84% adoption across 35+ engineers and designers at VML Middle East; 40% reduction in visual regression bugs.

nebulai

Built the real-time WebGPU visualization engine for token / SAE feature activations. Built with Python, WebGPU/WGSL, React, UMAP.

Renders 50,000+ active nodes at 60 FPS for interactive interpretability.

career-ops

Implemented the multi-agent pipeline engine for document parsing and match evaluation. Built with Go, JavaScript, Claude Code CLI.

10x speedup in automated workflow execution and template rendering.

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WHY IT MATTERS

Months to days,
and a trail to show for it

Guardrailed interaction patterns cut enterprise AI onboarding from months to days. Deterministic schema enforcement ahead of the API call removes the repetitive agent retry loops that burn tokens without producing usable output. And an immutable trail of human approvals and steering decisions is what emerging AI-safety disclosure requirements — the EU AI Act among them — actually ask for.

A three-step review trail: a proposed change with its model rationale, a human before-and-after diff with an intent, changes and decision checklist, and an approved, applied change
NEXT PROJECT

The Grower AI

AI Product