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infospace-bench/workplans/IB-WP-0005-orthogonal-successor-architecture.md
2026-05-14 13:47:36 +02:00

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---
id: IB-WP-0005
type: workplan
title: "Orthogonal Successor Architecture"
domain: markitect
repo: infospace-bench
status: done
owner: markitect
topic_slug: markitect
created: "2026-05-14"
updated: "2026-05-14"
state_hub_workstream_slug: "ib-wp-0005-orthogonal-successor-architecture"
state_hub_workstream_id: "ce26304b-aef2-4e01-926c-0635fc7a0f9b"
---
# IB-WP-0005 — Orthogonal Successor Architecture
## Goal
Establish the explicit architecture and migration map that lets
`infospace-bench`, `markitect-tool`, and `kontextual-engine` replace the useful
parts of `markitect-project` without recreating its mixed responsibilities.
## Context
The three `INTENT.md` files define an orthogonal stack:
- `markitect-tool`: Markdown syntax and transformation foundation
- `kontextual-engine`: persistent, governed, retrievable, operational knowledge
engine
- `infospace-bench`: concrete applied infospaces and evaluation workflows
This workplan creates the durable successor map and keeps future work inside
those boundaries.
## Tasks
### T01 — Feature inventory from legacy `markitect-project`
```task
id: IB-WP-0005-T01
status: done
priority: high
state_hub_task_id: "10b456fa-fc07-43cc-8a83-7382cfab57a9"
```
- Inventory legacy infospace CLI commands, modules, examples, and outputs
- Classify each feature as migrate, delegate, reimplement, defer, or retire
- Record the target repo for each retained feature
### T02 — Boundary and interface map
```task
id: IB-WP-0005-T02
status: done
priority: high
state_hub_task_id: "f5a57259-97a1-4690-b448-c1d15668a1b9"
```
- Define what `infospace-bench` expects from `markitect-tool`
- Define what `infospace-bench` expects from `kontextual-engine`
- Define what remains file-backed inside `infospace-bench`
### T03 — Replacement acceptance matrix
```task
id: IB-WP-0005-T03
status: done
priority: high
state_hub_task_id: "0a4f35b4-377a-421d-8d6e-80dee467e1aa"
```
- Build a matrix mapping old behavior to new behavior
- Include tests, docs, CLI/API expectations, and pilot coverage for each row
- Mark clear non-goals so replacement does not become scope creep
### T04 — State Hub alignment
```task
id: IB-WP-0005-T04
status: done
priority: medium
state_hub_task_id: "5e9f9889-b50c-4353-986f-c5b473fa9fc5"
```
- Register this roadmap as State Hub workstreams
- Link follow-on workplans to this architecture record
- Keep progress events tied to replacement readiness
## Acceptance
- `docs/orthogonal-successor-roadmap.md` is complete enough to guide future work
- Legacy infospace features have a target home or explicit retirement decision
- Follow-on workplans are created and sequenced