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Ecosystem Ownership Matrix

Status: Draft Owner Model: temporary four-party operating model Parties: User, Codex, Windsurf, Cursor Purpose: Clarify who owns what for ecosystem planning, implementation, review, and tracking.

1. Current Operating Reality

For now, the ecosystem is effectively operated by four parties:

  1. You Product owner, final technical decider, integration sponsor, and release authority.
  2. Codex High-power architecture and implementation driver for complex cross-repo work.
  3. Windsurf Medium-power execution partner for bounded implementation, iterative follow-through, and repo-local work.
  4. Cursor Lower-power execution and assistance layer for narrower or more guided tasks.

This document assumes no larger team structure exists yet.

2. Role Definitions

You

Own:

  • final priorities
  • architectural direction approval
  • repo strategy decisions
  • acceptance of cross-product behavior changes
  • release/push/go-live calls

Codex

Own:

  • ecosystem architecture
  • shared-contract definition
  • cross-repo sequencing
  • difficult implementation plans
  • higher-risk refactors and integration strategy
  • documentation system-of-record quality

Windsurf

Own:

  • bounded implementation chunks
  • repo-local follow-through
  • structured doc updates
  • medium-complexity verification and completion loops

Cursor

Own:

  • smaller scoped implementation assistance
  • local productivity tasks
  • narrow edits under strong guidance
  • low-risk follow-up changes

3. Responsibility Matrix

Work Type You Codex Windsurf Cursor
ecosystem strategy A R C C
shared contracts A R C C
cross-repo implementation planning A R C C
high-complexity integration work A R C I
medium repo-local implementation C C R I
low-risk guided edits C C C R
tracker and commit-link hygiene A R C C
final push/go-live decision A C I I

Legend:

  • A = accountable
  • R = responsible
  • C = consulted
  • I = informed

4. Repo Ownership Bias

This is not exclusive ownership. It is the default lead bias.

Repo Area Default Lead
learning_ai_common_plat/docs/ecosystem/ Codex
shared contract docs Codex
implementation tracker updates Codex
product-local adoption docs Windsurf or Cursor under guidance
final prioritization and acceptance You

5. Practical Rules

  1. If a change affects more than one repo or defines a shared contract, Codex should lead.
  2. If a change is bounded to one repo and the contract is already clear, Windsurf can lead.
  3. Cursor should be used only for narrower, strongly-scoped work until the ecosystem contracts harden further.
  4. You remain the final authority on tradeoffs and sequencing.
  5. Every major ecosystem task should be visible in the tracker with one clear owner.

6. Implementation Checklist

  • confirm this temporary four-party ownership model
  • add repo adoption owners as work expands
  • add handoff conventions between Codex, Windsurf, and Cursor
  • revise this doc if the team structure changes

Commits:

  • initial draft: pending