feat: harden OpenSpec SDD workflow

openspec/schemas/wealth-ledger-sdd/templates/design.md

@@ -42,6 +42,17 @@
 
 <!-- Delivery order and rollback, when applicable -->
 
+### Rollback Contract
+
+| Field | Decision |
+| --- | --- |
+| Status | `required` or `N/A` |
+| Reason | <!-- concrete reason when N/A --> |
+| Trigger | <!-- required when Status is required --> |
+| Actions | <!-- required when Status is required --> |
+| Data safety | <!-- required when Status is required --> |
+| Verification | <!-- required when Status is required --> |
+
 ## Open Questions
 
 <!-- Only questions that cannot change Specs, approach or Tasks; otherwise

openspec/schemas/wealth-ledger-sdd/templates/tasks.md

@@ -1,9 +1,17 @@
-## 1. <!-- Task Group Name -->
+## 1. <!-- Dependency-ordered task group -->
 
-- [ ] 1.1 <!-- Concrete implementation action and its planned verification -->
-- [ ] 1.2 <!-- Concrete implementation action and its planned verification -->
+- [ ] 1.1 [area] <!-- Concrete implementation action -->
+  - **Covers:** `<capability-path>` — `<exact Requirement heading>`
+  - **Verification:** <!-- Planned command, observable check or delivered artifact -->
+- [ ] 1.2 [area] <!-- Concrete implementation action -->
+  - **Covers:** `N/A` — <!-- Concrete reason this task has no spec-level behavior -->
+  - **Verification:** <!-- Planned command, observable check or delivered artifact -->
 
-## 2. <!-- Task Group Name -->
+## 2. <!-- Affected repository delivery and gates -->
 
-- [ ] 2.1 <!-- Affected repository action and canonical local gate -->
-- [ ] 2.2 <!-- Cross-area verification when required -->
+- [ ] 2.1 [area] <!-- Affected repository action -->
+  - **Covers:** `<capability-path>` — `<exact Requirement heading>`
+  - **Verification:** <!-- Canonical local gate -->
+- [ ] 2.2 [workspace] <!-- Cross-area orchestration or verification only -->
+  - **Covers:** `N/A` — <!-- Concrete orchestration/verification reason -->
+  - **Verification:** <!-- Cross-area gate or semantic review -->