whetstone_DSL/sprint93_plan.md

Sprint 93 Plan: Program Economics and Portfolio Optimization

Context

At this stage, roadmap decisions should be portfolio-optimized across impact, risk, and operating cost. Sprint 93 adds economic planning for transpilation work.

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Goals

1. Model ROI and TCO for pair maintenance and expansion
2. Prioritize roadmap investments using objective portfolio metrics
3. Balance innovation and maintenance budgets
4. Improve decision transparency for stakeholders

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Steps

Step 1159: Portfolio economics schema (12 tests)

Step 1160: Pair-level ROI estimator model (10 tests)

Step 1161: Maintenance TCO forecasting engine (10 tests)

Step 1162: Budget allocation optimizer across sprint themes (10 tests)

Step 1163: Scenario analysis model (aggressive, balanced, conservative) (10 tests)

Step 1164: Stakeholder decision packet generator (8 tests)

Step 1165: whetstone_get_portfolio_economics MCP tool (8 tests)

Step 1166: whetstone_plan_budget_allocation MCP tool (8 tests)

Step 1167: Portfolio strategy report artifact (8 tests)

Step 1168: Sprint 93 integration summary + regression (8 tests)

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Planning Rule

• Expansion proposals must include ROI and maintenance burden estimates.