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Aegis-Forge — Sanitized Case Study

Summary

Aegis-Forge is a private self-hosted AI engineering control-plane project focused on giving an operator controlled visibility over multi-agent AI-assisted development workflows.

The project explores how to run AI agents under explicit policy, governance, observability, and human approval boundaries.

This public note describes the architecture intent and operational principles only. It does not expose source code, endpoints, internal topology, credentials, private prompts, implementation details, or product roadmap internals.

Problem

AI agent execution becomes risky when model calls, tool usage, approvals, audit trails, and runtime behavior are spread across disconnected tools.

Common failure modes include:

  • invisible tool execution
  • unclear provenance
  • uncontrolled cost growth
  • weak approval boundaries
  • missing runtime health visibility
  • no consistent policy enforcement
  • unreviewed autonomous changes
  • poor auditability across multi-agent runs

Goal

Design a private control-plane that makes AI-assisted engineering workflows:

  • observable
  • policy-aware
  • operator-controlled
  • self-hosted
  • auditable
  • reversible where possible
  • safe for staged adoption

High-level architecture

Operator UI
   |
   v
Control Plane
   |
   +--> Run Queue
   +--> Agent Profiles
   +--> Model Gateway
   +--> Tool Runtime Layer
   +--> Knowledge Plane
   +--> Policy Engine
   +--> Audit Log
   |
   v
Human Approval / Rejection Boundary

Core concepts

Operator control

The operator should be able to inspect:

  • active runs
  • pending approvals
  • failed runs
  • denied tool calls
  • model/provider used
  • stage-level provenance
  • cost and usage signals
  • runtime health

Model gateway

The model gateway abstracts access to multiple model providers and local runtimes.

Public documentation intentionally avoids exact provider routing rules, credentials, usage data, and private budget policy details.

Agent profiles

Agent profiles separate responsibilities such as:

  • planning
  • implementation
  • review
  • operations
  • documentation

The goal is not full autonomy. The goal is controlled delegation with visible review boundaries.

Tool runtime layer

Tool runtimes should be treated as operational dependencies, not invisible extensions.

Relevant concerns:

  • installation state
  • version pinning
  • auth readiness
  • rollback path
  • disabled/degraded states
  • operator-approved execution

Policy engine

Tool calls should be evaluated against explicit policies before execution.

Policy examples:

  • allowed working directory scope
  • allowed tool categories
  • blocked destructive actions
  • credential-related action gates
  • production-change gates
  • deny-over-allow precedence

Knowledge plane

A private knowledge layer can reduce repeated context loading and improve consistency.

The public note intentionally avoids internal schemas, indexes, private documents, or retrieval implementation details.

Governance signals

A useful control-plane should expose:

  • run ID
  • workspace
  • initiating user/operator
  • selected agent profile
  • selected model/provider
  • tools requested
  • tools allowed or denied
  • approval decisions
  • retry count
  • failure reason
  • estimated usage/cost
  • final output state

Safety model

The project assumes that agentic execution should be staged:

Read-only research
   |
   v
Draft-only generation
   |
   v
Workspace-limited edits
   |
   v
Pull request generation
   |
   v
Human-reviewed merge

Agent merge authority is intentionally excluded from the safe default model.

What is intentionally excluded

This public note does not include:

  • source code
  • real endpoints
  • internal service names
  • private deployment configuration
  • exact database schema
  • exact model routing rules
  • private policy engine code
  • budget ledger details
  • production credentials
  • roadmap implementation details

Current status

Private R&D. Public documentation is limited to sanitized architecture notes, risk framing, and operating principles.