Contract framework with markdown-native contracts utilizing fenced YAML blocks

examples/contracts/prd-frs.contract.md

@@ -0,0 +1,49 @@
+---
+title: PRD and FRS Contract
+version: "0.1"
+---
+
+# PRD And FRS Contract
+
+```yaml contract
+id: prd-frs-contract-v1
+document:
+  type: prd-frs
+fields:
+  product:
+    type: string
+    required: true
+  owner:
+    type: string
+    required: true
+metrics:
+  document:
+    words:
+      min: 300
+      max: 4000
+      severity: warning
+sections:
+  - id: problem
+    title: Problem
+    presence: required
+    level: 2
+  - id: goals
+    title: Goals
+    presence: required
+    level: 2
+    assertions:
+      - id: goals-are-testable
+        contains_any: [measure, metric, success]
+        severity: warning
+  - id: functional-requirements
+    title: Functional Requirements
+    presence: required
+    level: 2
+  - id: non-goals
+    title: Non-Goals
+    presence: recommended
+    level: 2
+  - id: implementation-plan
+    title: Implementation Plan
+    presence: discouraged
+```