feat: add generated scene skill platform hardening

docs/superpowers/reports/2026-04-19-g2-residual-2-readiness-closure-report.md

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+# G2 Residual 2 Readiness Closure Report
+
+> Date: 2026-04-19
+> Plan: `docs/superpowers/plans/2026-04-19-g2-residual-2-readiness-closure-plan.md`
+
+## Scope
+
+This bounded route inspected and reran the two fixed G2 residual structured fail-closed scenes. It did not enter G1-E, G3, or boundary residual work.
+
+## Summary
+
+| Status | Count |
+| --- | ---: |
+| pass | 2 |
+| fail-closed | 0 |
+| source-unreadable | 0 |
+| unknown | 0 |
+
+## Scene Results
+
+| Scene | Status | Readiness | Archetype | Modes | G2 Gates |
+| --- | --- | --- | --- | --- | --- |
+| 白银线损周报 | pass | A | multi_mode_request | diagnosis | modes=True; request=True; response=True |
+| 台区线损大数据-月_周累计线损率统计分析 | pass | A | multi_mode_request | month, week | modes=True; request=True; response=True |
+
+## Decision
+
+- The fixed `02` and `00` readiness labels are not remaining contract gaps after route-local rerun.
+- Both scenes resolve to `multi_mode_request` with G2 mode, request, and response gates passing.
+- No additional analyzer or generator implementation change was required by this route.
+
+## Stop Statement
+
+The two-scene route-local follow-up and report are published. No G1-E, G3, or boundary residual work is started by this plan.