research(rectification): archive partial varga-resolution study (BUG-1105)

Archive research scripts, regression tests, M1 results and safe M0 smoke. Keep the incomplete study and failing quick gate explicit. Exclude full M0 JSON, raw logs and unrelated oracle newline changes.

Co-Authored-By: Claude Code <noreply@anthropic.com>

docs/research/ACTIVE_FRONTS.md

@@ -116,6 +116,12 @@ Do not open new product surfaces before at least one of these four lanes is clos
   - Vimsopaka semantic mapping for `NEECHA_BHANGA / GREAT_FRIEND / GREAT_ENEMY`
   - functional role now enters strict evidence; follow-up is Technique Audit Table rendering.
 
+## 生时校正：分盘上升段研究（2026-09-30，BUG-1105）
+
+- [任务书](../tasks/TASK-rectification-varga-resolution-research-20260930.md)、[进度](../tasks/PROGRESS-rectification-varga-resolution-research-20260930.md)、[阶段性报告](rectification_varga_resolution_2026_09_30.md)。仅离线研究，无生产实现授权。
+- M0 首轮与 M1 全量各 308 个 case-radius 已在本地落盘；本次 staging 归档仅含研究代码/测试、M1 JSON、测试必需的 M0 smoke 和文档，M0 全量原始 JSON 与运行日志因交付检查缺口不提交。M0 起点表逐格一致性、两次字节复跑尚未闭环，不能称整单验收通过。
+- M2/M3 `not_started`，M4 仅阶段性建议；±60 D9/D10 真值段保留各 74/77，低于既有区间基线 75/77，不通过研究红线。筛选子集的高准确率不能冒充全集或唯一段准确率。
+
 ## 生时校正：候选分不开（2026-09-14 收口）
 
 - 定论页（先读这个）：`<repo>/docs/research/rectification_minute_resolution_closure_2026_09_14.md`