migration: preserve market insights slice

docs/migration/保真迁移状态.json

@@ -1,6 +1,6 @@
 {
   "schema_version": 1,
-  "updated_at": "2026-07-31T01:57:00+08:00",
+  "updated_at": "2026-07-31T02:42:00+08:00",
   "status": "active",
   "migration_mode": "behavior_preserving_source_migration",
   "source_of_truth": "current_original_webapp_runtime_and_source",
@@ -9,10 +9,10 @@
   "failed_roots": [
     "next"
   ],
-  "current_slice": "slice-05-auction-themes-popularity-dragon-tiger",
-  "last_completed_slice": "slice-04-ladder-rotation",
-  "last_checkpoint": "xiaobai-preservation-slice-04-20260731",
-  "next_action": "capture_slice-05_auction_theme_popularity_dragon_tiger_contracts_then_move_original_implementations",
+  "current_slice": "slice-06-screener-custom-tracking",
+  "last_completed_slice": "slice-05-auction-themes-popularity-dragon-tiger",
+  "last_checkpoint": "xiaobai-preservation-slice-05-20260731",
+  "next_action": "capture_slice-06_screener_custom_selection_and_tracking_contracts_then_move_original_implementations",
   "authoritative_documents": [
     "AGENTS.md",
     "docs/migration/原版保真迁移总纲.md",