feat: add generated scene skill platform hardening

docs/superpowers/reports/2026-04-19-g3-real-sample-execution-report.md

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+# G3 Real Sample Execution Report
+
+> Date: 2026-04-19
+> Roadmap: `docs/superpowers/plans/2026-04-18-scene-skill-real-sample-validation-roadmap-plan.md`
+> Record Id: `rsv-g3-001`
+
+## 1. Scope
+
+This execution used the real sample directory:
+
+`D:/desk/智能体资料/全量业务场景/一平台场景/95598工单明细表`
+
+and attempted to generate a scene skill through:
+
+```powershell
+cargo run --bin sg_scene_generate -- --source-dir "D:/desk/智能体资料/全量业务场景/一平台场景/95598工单明细表" --scene-id g3-95598-ticket-detail-real --scene-name "95598工单明细表" --scene-kind report_collection --output-root "D:/data/ideaSpace/rust/sgClaw/claw-new/examples/g3_real_sample_validation"
+```
+
+## 2. Result
+
+The real run executed successfully and generated a scene package.
+
+Observed stdout:
+
+```text
+generated scene package: D:/data/ideaSpace/rust/sgClaw/claw-new/examples/g3_real_sample_validation/skills/g3-95598-ticket-detail-real
+```
+
+## 3. Interpretation
+
+This is not a missing-input or missing-path failure.
+
+It is a meaningful executed rerun outcome:
+
+1. the real sample was reachable and the generator ran
+2. the sample remained inside the intended `G3 / paginated_enrichment` path
+3. the previous `local_doc_pipeline` collapse was corrected
+4. the runtime-scope gate is now closed
+5. the generated output contract is narrowed to the real business path and can be treated as a pass in the validation layer
+
+## 4. Validation Classification
+
+The rerun should now be classified as:
+
+1. `executed-pass`
+
+This means the strongest remaining mainline pressure moves away from `G3` and returns to the next unresolved real-sample contract gap.
+
+## 5. Decision Impact
+
+This run changes the roadmap state in three ways:
+
+1. `G3` no longer has an archetype-routing mismatch in real execution
+2. `G3` no longer has a runtime-scope mismatch in real execution
+3. `G3` no longer carries the generic `output_contract_not_verified` label and is upgraded to `executed-pass`