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How to Validate Sprint Status - Complete Guide

Created: 2026-01-02 Purpose: Ensure sprint-status.yaml and story files reflect REALITY, not fiction

Three Levels of Validation

Level 1: Status Field Validation (FAST - Free)

Compare Status field in story files vs sprint-status.yaml Cost: Free | Time: 5 seconds

python3 scripts/lib/sprint-status-updater.py --mode validate

Level 2: Deep Story Validation (MEDIUM - $0.15/story)

Haiku agent reads actual code and verifies all tasks Cost: ~$0.15/story | Time: 2-5 min/story

/validate-story-deep docs/sprint-artifacts/16e-6-ecs-task-definitions-tier3.md

Level 3: Comprehensive Platform Audit (DEEP - $76 total)

Validates ALL 511 stories using batched Haiku agents Cost: ~$76 total | Time: 4-6 hours

/validate-all-stories-deep
/validate-all-stories-deep --epic 16e  # Or filter to specific epic

Why Haiku Not Sonnet

Per story cost:

Haiku: $0.15
Sonnet: $1.80
Savings: 92%

Full platform:

Haiku: $76
Sonnet: $920
Savings: $844

Agent startup overhead (why ONE agent per story):

Bad: 50 tasks × 50 agents = 2.5M tokens overhead
Good: 1 agent reads all files, verifies all 50 tasks = 25K overhead
Savings: 99% less overhead

Batching (Max 5 Stories Concurrent)

Why batch_size = 5:

Prevents spawning 511 agents at once
Allows progress saving/resuming
Rate limiting friendly

Execution:

Batch 1: Stories 1-5 (5 agents)
Wait for completion
Batch 2: Stories 6-10 (5 agents)
...continues until done

What Gets Verified

For each task, Haiku agent:

Finds files with Glob/Grep
Reads code with Read tool
Checks for stubs/TODOs
Verifies tests exist
Checks multi-tenant isolation
Reports: actually_complete, evidence, issues

Commands Reference

# Weekly validation (free, 5 sec)
python3 scripts/lib/sprint-status-updater.py --mode validate

# Fix discrepancies
python3 scripts/lib/sprint-status-updater.py --mode fix

# Deep validate one story ($0.15, 2-5 min)
/validate-story-deep docs/sprint-artifacts/STORY.md

# Comprehensive audit ($76, 4-6h)
/validate-all-stories-deep

Files: _bmad/bmm/workflows/4-implementation/validate-*-deep/

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