Expose strategy runtime data APIs

docs/rqalpha-gap-roadmap.md

@@ -46,6 +46,16 @@ current alignment pass.
 - [x] `dividend_receivable`
 - [ ] richer position lifecycle fields exposed to strategy runtime
 
+### Phase 6: Strategy data API parity
+
+- [x] `history_bars` numeric helper for daily, intraday, and tick fields
+- [x] `current_snapshot`
+- [x] `instrument` / `instruments` / `all_instruments`
+- [x] `get_trading_dates` / `get_previous_trading_date` /
+      `get_next_trading_date`
+- [x] phase-aware minute/tick history cursor semantics matching the active
+      bar or tick callback
+
 ## Execution Order
 
 1. Close the explicit order API gap with target-shares / `order_to` parity.
@@ -54,9 +64,10 @@ current alignment pass.
 4. Add dynamic universe APIs.
 5. Add algo-order styles.
 6. Finish position accounting parity.
+7. Expose richer position lifecycle fields to strategy runtime.
 
 ## Current Step
 
-Active implementation target: Phase 5 follow-up plus strategy data API parity:
-expose richer position lifecycle fields and RQAlpha-style data helpers such as
-`history_bars`, `current_snapshot`, instruments, and trading-date access.
+Active implementation target: Phase 5 follow-up: expose richer position
+lifecycle fields to strategy runtime beyond quantity, sellable quantity,
+average cost, trading pnl, position pnl, and dividend receivable.