[Program Epic] EPIC-04 Test, Coverage, and Release Quality

[ErenAri]

Epic ID

EPIC-04

Owner role

qa-release

Current status

in_progress

Target outcome

• Coverage and release quality remain stable with no flaky gate regressions.
• Release manifests and checks remain reproducible.

Deliverables

• Sustain line coverage at or above 86% across release window.
• Add flaky test tracking and burn-down workflow.
• Tie release checklist to evidence artifacts.

KPI targets

• line_coverage_pct: 86.35 -> maintain >= 86 by 2026-04-30
• flaky_test_rate_pct: target <= 1
• release_checklist_completion_pct: target 100%

Milestone linkage

• Milestone: M0 Baseline Freeze
• Evidence: coverage.xml, program/engineering-maturity/kpi-snapshots/2026-02-26.json

Risks and mitigations

• Risk: new modules lower coverage below floor during rapid delivery.
• Mitigation: add coverage diff check and PR-level test selection policy.