whetstone_DSL/sprint91_plan.md

Sprint 91 Plan: Ecosystem Marketplace and Trust Exchange

Context

With plugin and standards foundations in place, Sprint 91 introduces a curated marketplace for adapters, verifiers, and policy packs.

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Goals

1. Add discoverable marketplace metadata and search
2. Enforce trust tiers for published ecosystem artifacts
3. Provide usage/quality signals for artifact selection
4. Prevent unsafe artifact promotion in production pathways

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Steps

Step 1139: Marketplace catalog schema (12 tests)

Step 1140: Artifact trust-tier model (community, verified, certified) (10 tests)

Step 1141: Artifact quality scoring and ranking engine (10 tests)

Step 1142: Supply-chain integrity checks for marketplace artifacts (10 tests)

Step 1143: Artifact de-listing and quarantine workflow (10 tests)

Step 1144: Marketplace policy bindings for tenants (8 tests)

Step 1145: whetstone_marketplace_search MCP tool (8 tests)

Step 1146: whetstone_get_artifact_trust_report MCP tool (8 tests)

Step 1147: Marketplace governance report artifact (8 tests)

Step 1148: Sprint 91 integration summary + regression (8 tests)

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Trust Rule

• Non-certified artifacts cannot be auto-enabled for Stable-tier workflows.