bill/whetstone_DSL

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Bill 72ffee68fa WIP: stage all uncommitted work — sprints 46-221, graduation headers, specialist fleet, test steps 909-1988

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

2026-04-22 10:15:48 -06:00

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Sprint 103 Plan: Verified Refactoring Patterns Library

Context

Common adapter and migration fixes repeat. Sprint 103 codifies verified refactoring patterns as reusable, test-backed transformations.

Goals

Define a versioned library of verified refactor patterns
Attach preconditions, postconditions, and risk profiles per pattern
Auto-suggest applicable patterns from failure taxonomy
Keep pattern application deterministic and auditable

Steps

Step 1259: Refactor pattern schema and metadata model (12 tests)

Step 1260: Preconditions/postconditions validator for patterns (10 tests)

Step 1261: Pattern applicability matcher from graph context (10 tests)

Step 1262: Deterministic pattern executor wrapper (10 tests)

Step 1263: Pattern outcome scorer and rollback hooks (10 tests)

Step 1264: Pattern library governance workflow (8 tests)

Step 1265: `whetstone_list_verified_patterns` MCP tool (8 tests)

Step 1266: `whetstone_apply_verified_pattern` MCP tool (8 tests)

Step 1267: Pattern efficacy report artifact (8 tests)

Step 1268: Sprint 103 integration summary + regression (8 tests)

Pattern Rule

Only certified patterns may run in Stable-tier pathways by default.