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Remove external reference points so the intent stands on its own at the
abstract, stable level. The IAM profile this repo implements is described
as a versioned profile contract rather than attributed to an external
owner, and the heavier comparison mode is described generically instead of
by product name. All of KeyCape's own substance is preserved — purpose,
primary utility, intended users, strategic role and boundaries, design
principles, maturity target, and stability note.

Relationships to other systems belong in interface contracts and the
orchestration responsibility map, not in intent.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

2026-05-21 01:50:08 +02:00

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INTENT

Purpose

This repository exists to provide a lightweight, profile-conformant identity and access management (IAM) system.

It ensures that applications can rely on a stable, versioned authentication contract independent of the underlying IAM implementation.

Primary Utility

The repository provides an implementation of a versioned IAM profile that:

Delivers OIDC/PKCE-based authentication with strong security constraints
Normalizes identity data across heterogeneous backend systems
Enforces strict adherence to the defined IAM contract
Enables seamless migration between lightweight and expanded IAM modes

It transforms IAM from a system dependency into a replaceable, contract-driven capability.

Intended Users

Application developers integrating against the IAM profile
Infrastructure operators (adm) deploying IAM in constrained environments
Automation systems (atm) managing identity, migration, and validation workflows
LLM agents (agt) interacting with authenticated services

Strategic Role in the System

This repository serves as the lightweight IAM layer:

It provides a resource-efficient implementation of the IAM profile for environments with limited resources
It anchors IAM around a profile contract rather than a specific implementation
It enables a two-mode architecture:
- Lightweight mode (this implementation)
- Expanded mode (a heavier, full-featured implementation)

The profile ensures that both modes are interchangeable without application changes.

Strategic Boundaries

This repository is not intended to:

Become a full-featured, general-purpose IAM platform
Extend beyond the defined IAM profile
Support features that weaken security guarantees (e.g., implicit flow, wildcard redirects)
Replace or wrap the heavier expanded-mode implementation

Its responsibility is limited to strict, secure, and transparent profile implementation.

Design Principles

Contract over implementation Applications depend on the IAM profile, not on KeyCape internals
Security through constraint Only explicitly allowed features are supported; unsafe patterns are rejected
Explicitness over convenience Unsupported features must fail clearly and predictably
Replaceability by design The system must be swappable with a heavier profile implementation without breaking integrations
Canonical identity model Identity data must be normalized and consistent across all backends

Maturity Target

A mature version of this repository should:

Fully implement and enforce the IAM profile with zero ambiguity
Provide complete migration pathways between lightweight and expanded modes
Offer deterministic and testable behavior across all supported scenarios
Act as a reference implementation of the IAM profile
Enable IAM deployments that are minimal, secure, and operationally efficient

Stability Note

Changes to this file represent a deliberate shift in the IAM contract, scope, or architectural role of this repository.

Such changes must be made with explicit intent, as they directly affect all dependent applications.

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