From 43cd98f2d588118da0439a7e7023ae4cdbce09c1 Mon Sep 17 00:00:00 2001
From: dekun <dekun@local>
Date: Mon, 6 Jul 2026 03:32:26 +0800
Subject: [PATCH] feat: add EMA144 as separate market chart indicator

Optional EMA144 line on hub K-line main chart, independent from EMA 21/55 cross.

Co-authored-by: Cursor <cursoragent@cursor.com>
---
 manual_trading_hub/static/chart.js   | 21 ++++++++++++++++++---
 manual_trading_hub/static/index.html |  3 ++-
 2 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/manual_trading_hub/static/chart.js b/manual_trading_hub/static/chart.js
index b71f31f..263249f 100644
--- a/manual_trading_hub/static/chart.js
+++ b/manual_trading_hub/static/chart.js
@@ -191,6 +191,7 @@
   const elFsBtn = document.getElementById("market-chart-fullscreen");
   const elFsExit = document.getElementById("market-chart-fs-exit");
   const elIndEma = document.getElementById("market-ind-ema");
+  const elIndEma144 = document.getElementById("market-ind-ema144");
   const elIndMacd = document.getElementById("market-ind-macd");
   const elIndRsi = document.getElementById("market-ind-rsi");
   const elPrevCloseLine = document.getElementById("market-prev-close-line");
@@ -210,12 +211,14 @@
   const HUB_MARKET_POS_CTX_KEY = "hubMarketPosContext";
   const EMA_FAST = 21;
   const EMA_SLOW = 55;
+  const EMA_TREND = 144;
 
   let chartFullscreen = false;
-  const indicatorState = { ema: false, macd: false, rsi: false };
+  const indicatorState = { ema: false, ema144: false, macd: false, rsi: false };
   const indSeries = {
     ema21: null,
     ema55: null,
+    ema144: null,
     macdLine: null,
     macdSignal: null,
     macdHist: null,
@@ -505,6 +508,7 @@
 
   function readIndicatorState() {
     indicatorState.ema = !!(elIndEma && elIndEma.checked);
+    indicatorState.ema144 = !!(elIndEma144 && elIndEma144.checked);
     indicatorState.macd = !!(elIndMacd && elIndMacd.checked);
     indicatorState.rsi = !!(elIndRsi && elIndRsi.checked);
   }
@@ -896,6 +900,17 @@
       if (indSeries.ema55) indSeries.ema55.setData(buildEmaSeries(lastCandles, EMA_SLOW));
     }
 
+    if (indicatorState.ema144) {
+      const pf144 = tickToPriceFormat(priceTick);
+      indSeries.ema144 = createLineSeries({
+        color: "#5ce0b8",
+        title: "EMA144",
+        priceScaleId: "right",
+        priceFormat: pf144,
+      });
+      if (indSeries.ema144) indSeries.ema144.setData(buildEmaSeries(lastCandles, EMA_TREND));
+    }
+
     let rsiDiv = [];
     let macdDiv = [];
 
@@ -2515,7 +2530,7 @@
     lastCandles = merged;
     indexCandles(lastCandles);
     readIndicatorState();
-    if (indicatorState.ema || indicatorState.macd || indicatorState.rsi) {
+    if (indicatorState.ema || indicatorState.ema144 || indicatorState.macd || indicatorState.rsi) {
       try {
         updateIndicators();
       } catch (indErr) {}
@@ -3272,7 +3287,7 @@
         setChartFullscreen(false);
       });
     }
-    [elIndEma, elIndMacd, elIndRsi].forEach(function (el) {
+    [elIndEma, elIndEma144, elIndMacd, elIndRsi].forEach(function (el) {
       if (!el) return;
       el.addEventListener("change", function () {
         updateIndicators();
diff --git a/manual_trading_hub/static/index.html b/manual_trading_hub/static/index.html
index 395e6ae..d80ffa8 100644
--- a/manual_trading_hub/static/index.html
+++ b/manual_trading_hub/static/index.html
@@ -316,6 +316,7 @@
                 <summary>技术指标</summary>
                 <div class="market-ind-options">
                   <label class="market-ind-opt"><input type="checkbox" id="market-ind-ema" value="ema" /> EMA交叉(21/55)</label>
+                  <label class="market-ind-opt"><input type="checkbox" id="market-ind-ema144" value="ema144" /> EMA144</label>
                   <label class="market-ind-opt"><input type="checkbox" id="market-ind-macd" value="macd" /> MACD</label>
                   <label class="market-ind-opt"><input type="checkbox" id="market-ind-rsi" value="rsi" /> RSI</label>
                 </div>
@@ -1147,7 +1148,7 @@
   <div id="toast"></div>
   <script src="https://unpkg.com/lightweight-charts@4.2.0/dist/lightweight-charts.standalone.production.js"></script>
   <script src="/assets/chart_draw.js?v=20260609-market-day-split"></script>
-  <script src="/assets/chart.js?v=20260626-market-tail-patch"></script>
+  <script src="/assets/chart.js?v=20260706-ema144"></script>
   <script src="/assets/plan.js?v=20260614-plan-refresh"></script>
   <script src="/assets/calculator.js?v=3"></script>
   <script src="/assets/trade_stats_calendar.js?v=3"></script>