feat: add generated scene skill platform hardening

docs/superpowers/plans/2026-04-20-sweep-012-materialization-recovery-plan.md

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+# Sweep 012 Materialization Recovery Plan
+
+> Date: 2026-04-20
+> Design: `2026-04-20-sweep-012-materialization-recovery-design.md`
+
+## Plan Intent
+
+Recover the only failed final materialization scene package and refresh final materialization/readiness assets to reach `102 / 102` materialized packages.
+
+## Fixed Input
+
+`sweep-012-scene / 业扩报装管理制度`
+
+Source directory:
+
+`D:/desk/智能体资料/全量业务场景/一平台场景/业扩报装管理制度`
+
+Final output root:
+
+`examples/scene_skill_102_final_materialization_2026-04-19`
+
+## Allowed Files
+
+1. `src/generated_scene/analyzer.rs`
+2. `src/generated_scene/generator.rs`
+3. `tests/scene_generator_test.rs`
+4. `examples/scene_skill_102_final_materialization_2026-04-19/skills/sweep-012-scene/**`
+5. `examples/scene_skill_102_final_materialization_2026-04-19/SCENE_INDEX.md`
+6. `examples/scene_skill_102_final_materialization_2026-04-19/scene_skill_102_index.json`
+7. `tests/fixtures/generated_scene/scene_skill_102_final_materialization_manifest_2026-04-19.json`
+8. `tests/fixtures/generated_scene/scene_skill_102_final_materialization_failures_2026-04-19.json`
+9. `tests/fixtures/generated_scene/scene_skill_102_deterministic_invocation_readiness_after_keyword_refinement_2026-04-20.json`
+10. `docs/superpowers/reports/2026-04-20-sweep-012-materialization-recovery-report.md`
+
+## Forbidden Files
+
+1. `tests/fixtures/generated_scene/scene_execution_board_2026-04-18.json`
+2. other final skill package scripts outside `sweep-012-scene`
+3. production/static/mock validation assets
+
+## Phase 0: Diagnose Single-Scene Failure
+
+### Tasks
+
+1. Reproduce current failure for `sweep-012-scene`.
+2. Compare analyzer output with official framework expectation.
+3. Identify whether the failure is route selection, missing bootstrap, or workflow contract recovery.
+
+### Acceptance Criteria
+
+1. Root cause is stated before implementation.
+
+## Phase 1: Apply Minimal Recovery
+
+### Tasks
+
+1. Make the smallest code or fixture correction needed for `sweep-012-scene`.
+2. Add or update a focused regression test.
+
+### Acceptance Criteria
+
+1. Existing G3/G6 route behavior remains protected.
+2. The correction is not generalized beyond evidence-supported behavior.
+
+## Phase 2: Re-materialize Sweep 012 Only
+
+### Tasks
+
+1. Run `sg_scene_generate` only for `sweep-012-scene`.
+2. Verify required files exist.
+3. Normalize human-readable metadata and deterministic invocation metadata for this package.
+
+### Acceptance Criteria
+
+1. `sweep-012-scene` package is complete.
+2. Its `scene.toml` uses suffix `。。。`.
+
+## Phase 3: Refresh Assets
+
+### Tasks
+
+1. Patch final materialization manifest for `sweep-012-scene`.
+2. Clear final materialization failures.
+3. Refresh `SCENE_INDEX.md` and `scene_skill_102_index.json`.
+4. Refresh deterministic readiness after keyword refinement.
+5. Publish recovery report.
+
+### Acceptance Criteria
+
+1. Materialized count is `102`.
+2. Failure count is `0`.
+3. Deterministic dispatch ready count is `102`.
+
+## Stop Statement
+
+Stop after `sweep-012-scene` recovery assets and report are published. Do not start static/mock/production validation under this plan.