feat(portfolio): 策略孵化梯注册表——五段状态机+血统硬闸+J1 事件+存量补录种子 [vps] [no-doc]

spec §4.5 决议 L 六件之 1/6:克隆 version_registry 范式(状态机/原子写/转移即
事件/issue 模板落盘);→retired 死因必填、→paper/live gate 快照必带、→live 另带
资金分配快照(决议 B);szneul_reb63 补录种子(gate 快照留空)。

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

config/strategy_registry.yaml

@@ -0,0 +1,18 @@
+# config/strategy_registry.yaml
+strategies:
+  szneul_reb63:
+    name: szneul_reb63
+    hypothesis: H-2026-09-20-03
+    composite_version: quant12_v2a
+    stage: live
+    backfilled: true
+    stage_history:
+    - {kind: transition, from: backtest, to: paper, at: '2026-08-20', note: 补录}
+    - {kind: transition, from: paper, to: shadow, at: '2026-08-27', note: 补录}
+    - {kind: transition, from: shadow, to: live, at: '2026-09-18', note: 补录 promotion}
+    gate_snapshot: null
+    review_issue: null
+    capital: {mode: 固定金额, value: 50000, at: '2026-09-18'}
+    retired_cause: null
+    backtest_run: null
+    paper_account_id: null