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F4: add StochRSI and Ultimate Oscillator

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Completes the F4 family (Stochastic oscillators) end to end:

- Rust core: stoch_rsi.rs (Stochastic Oscillator applied to the RSI
  series, bounded [0,100]) and ultimate_oscillator.rs (Larry Williams'
  weighted three-timeframe buying-pressure oscillator). Each with a full
  Indicator impl, runnable doctest and reference / saturation / bounds /
  warmup / reset / batch==streaming tests.
- Python: PyStochRsi / PyUltimateOscillator PyO3 classes + module
  registration + .pyi stubs (defaults StochRSI=(14,14), UO=(7,14,28)).
- Node: explicit StochRsiNode and UltimateOscillatorNode; index.d.ts
  and index.js updated.
- WASM: WasmStochRsi via the scalar macro, explicit
  WasmUltimateOscillator.
- Wiki: Indicator-StochRsi.md and Indicator-UltimateOscillator.md plus
  rows in Indicators-Overview.md and entries in Home.md.

cargo fmt + clippy (core/wickra/data/wasm/node) clean; 278 core tests,
25 data tests and 39 doctests green.
This commit is contained in:
kingchenc
2026-05-22 18:02:44 +02:00
parent 7728151c87
commit e24e7726ce
13 changed files with 1181 additions and 3 deletions
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docs/wiki/Home.md
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@@ -102,6 +102,8 @@ Rust / Python / Node examples. They are grouped by family, mirroring the
- [Indicator-Cmo.md](indicators/momentum/Indicator-Cmo.md)
- [Indicator-Tsi.md](indicators/momentum/Indicator-Tsi.md)
- [Indicator-Pmo.md](indicators/momentum/Indicator-Pmo.md)
- [Indicator-StochRsi.md](indicators/momentum/Indicator-StochRsi.md)
- [Indicator-UltimateOscillator.md](indicators/momentum/Indicator-UltimateOscillator.md)
**Volatility** — envelope width and per-bar dispersion measures.