Implement fx parity endpoints + seed/reset

[aryeko]

Story

• fx Parity-Capable App #72

Motivation

fx target must participate in matrix with parity correctness.

Scope

In:

• fx users API and seed behavior

Out:

• Policy checks

Requirements

• Implement fixture-compliant behaviors

Acceptance criteria

• fx parity scenarios pass

Verification

Commands:

• PARITY_TARGET=http://localhost:3005 make parity-check

CI checks:

• (none)

Evidence:

• fx parity output

Artifacts

• apps/fx/main.go

Spec reference

• .sisyphus/plans/apps-implementation-roadmap.md
• Section: T-031
• Quote: Implement fx parity endpoints

Dependencies

Blocked by:

• Spec design for fx parity implementation #98

[github-actions]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed in 14 days if no further activity occurs. If this issue is still relevant, please comment or remove the stale label.