fix(hub): load full pre-entry history for archive chart pan/zoom

range=history serves archive seed through close (not now). Default view focuses hold period; user can scroll/zoom left to see global morphology before entry.

Co-authored-by: Cursor <cursoragent@cursor.com>

docs/hub-symbol-archive-kline.md

@@ -17,7 +17,7 @@
 | 建档种子 | 该币 **最早开仓** 向前 **30 天** 5m |
 | 增量同步 | 默认每 **4 小时** 补新 5m 至当前 |
 | 展示周期 | Tab：**5m / 15m / 1h / 4h**，默认 **15m** |
-| 视窗模式 | **持仓过程**（锚平仓，默认）/ **进场决策**（锚开仓） |
+| 视窗模式 | **持仓过程**（锚平仓，默认）/ **进场决策**（锚开仓）；历史段为建档→平仓，可拖动/滚轮缩放看建仓前全局，**不拉到「现在」** |
 | 时间跳转 | 上方输入 `YYYY-MM-DD HH:MM` 后点「跳转」 |
 | 图片 | **不上传** |
 

hub_symbol_archive_lib.py

@@ -20,6 +20,12 @@ ARCHIVE_TIMEFRAMES = frozenset({"5m", "15m", "1h", "4h"})
 ARCHIVE_DEFAULT_TIMEFRAME = "15m"
 ARCHIVE_SEED_LOOKBACK_DAYS = 30
 ARCHIVE_VISIBLE_BARS_DEFAULT = 200
+ARCHIVE_MAX_CANDLES: dict[str, int] = {
+    "5m": 4000,
+    "15m": 2500,
+    "1h": 1200,
+    "4h": 600,
+}
 ARCHIVE_SYNC_INTERVAL_SEC = int(os.getenv("HUB_ARCHIVE_SYNC_INTERVAL_SEC", str(4 * 3600)))
 ARCHIVE_TRADE_DAYS = int(os.getenv("HUB_ARCHIVE_TRADE_DAYS", "365"))
 ARCHIVE_TRADE_LIMIT = int(os.getenv("HUB_ARCHIVE_TRADE_LIMIT", "2000"))
@@ -594,6 +600,47 @@ def _fill_missing_bars(
     return out
 
 
+def _archive_earliest_bar_ms(
+    exchange_key: str,
+    symbol: str,
+    *,
+    db_path: Path | None = None,
+) -> int | None:
+    ex_k = (exchange_key or "").strip().lower()
+    sym = (symbol or "").strip().upper()
+    conn = _connect(db_path)
+    try:
+        row = conn.execute(
+            "SELECT MIN(open_time_ms) AS mn FROM archive_bars_5m WHERE exchange_key=? AND symbol=?",
+            (ex_k, sym),
+        ).fetchone()
+        if row and row["mn"] is not None:
+            return int(row["mn"])
+    finally:
+        conn.close()
+    return None
+
+
+def _trim_bars_for_cap(
+    bars: list[dict[str, Any]],
+    *,
+    end_ms: int,
+    max_n: int,
+) -> list[dict[str, Any]]:
+    """超长时优先保留到平仓，再从最古老端截断。"""
+    if len(bars) <= max_n:
+        return bars
+    cut_end = len(bars)
+    for i in range(len(bars) - 1, -1, -1):
+        if int(bars[i]["open_time_ms"]) <= int(end_ms):
+            cut_end = i + 1
+            break
+    essential = bars[:cut_end]
+    if len(essential) <= max_n:
+        return essential
+    return essential[len(essential) - max_n :]
+
+
 def resolve_archive_chart(
     exchange_key: str,
     symbol: str,
@@ -604,9 +651,13 @@ def resolve_archive_chart(
     closed_ms: int | None = None,
     mode: str = "hold",
     bars: int = ARCHIVE_VISIBLE_BARS_DEFAULT,
+    range_mode: str = "window",
     db_path: Path | None = None,
 ) -> dict[str, Any]:
-    """从永久 5m 库聚合出档案 K 线视窗。"""
+    """从永久 5m 库聚合出档案 K 线视窗。
+
+    range_mode=history：建档起点 → 平仓（不含「到现在」），供拖动/缩放查看建仓前全局形态。
+    """
     tf = normalize_chart_timeframe(timeframe, default=ARCHIVE_DEFAULT_TIMEFRAME)
     if tf not in ARCHIVE_TIMEFRAMES:
         return {"ok": False, "msg": f"档案仅支持 {', '.join(sorted(ARCHIVE_TIMEFRAMES))}"}
@@ -619,13 +670,21 @@ def resolve_archive_chart(
     period_5m = TIMEFRAME_MS["5m"]
     hold_open = int(opened_ms) if opened_ms else None
     hold_close = int(closed_ms) if closed_ms else None
-    if hold_open and hold_close and hold_close >= hold_open:
+    rm = (range_mode or "window").strip().lower()
+    if hold_open and hold_close and hold_close >= hold_open and rm == "history":
+        seed_back = max(0, hold_open - ARCHIVE_SEED_LOOKBACK_DAYS * 86400000)
+        earliest = _archive_earliest_bar_ms(ex_k, sym, db_path=db_path)
+        if earliest is not None:
+            start_ms = min(earliest, seed_back)
+        else:
+            start_ms = seed_back
+        end_ms = hold_close + max(period * 16, period_5m * 8)
+        anchor = hold_close if (mode or "hold").strip().lower() != "entry" else hold_open
+    elif hold_open and hold_close and hold_close >= hold_open:
         hold_len = hold_close - hold_open
         pad = max(period * 24, hold_len // 3, period_5m * 12)
         start_ms = max(0, hold_open - pad)
         end_ms = hold_close + pad
-        visible = int((end_ms - start_ms) / period) + 8
-        visible = max(50, min(visible, 500))
         anchor = hold_close if (mode or "hold").strip().lower() != "entry" else hold_open
     else:
         visible = max(50, min(int(bars or ARCHIVE_VISIBLE_BARS_DEFAULT), 500))
@@ -652,6 +711,10 @@ def resolve_archive_chart(
         agg = aggregate_ohlcv_bars(filled_5m, tf)
         merged = [b for b in agg if start_ms <= int(b["open_time_ms"]) <= end_ms]
 
+    max_n = ARCHIVE_MAX_CANDLES.get(tf, 2000)
+    if rm == "history" and merged:
+        merged = _trim_bars_for_cap(merged, end_ms=end_ms, max_n=max_n)
+
     candles = _to_candles(merged)
     if not candles:
         return {"ok": False, "msg": "视窗内无 K 线"}
@@ -662,6 +725,7 @@ def resolve_archive_chart(
         "symbol": sym,
         "timeframe": tf,
         "mode": (mode or "hold").strip().lower(),
+        "range_mode": rm,
         "anchor_ms": anchor,
         "opened_ms": hold_open,
         "closed_ms": hold_close,

manual_trading_hub/hub.py

@@ -1734,6 +1734,7 @@ def api_archive_ohlcv(
     anchor_ms: str = "",
     opened_ms: str = "",
     closed_ms: str = "",
+    range: str = "",
     at: str = "",
     bars: str = "",
 ):
@@ -1758,6 +1759,7 @@ def api_archive_ohlcv(
         closed_ms=close_ms,
         mode=mode,
         bars=bar_n,
+        range_mode=(range or "").strip().lower() or "window",
     )
     if not result.get("ok"):
         raise HTTPException(status_code=404, detail=result.get("msg") or "无 K 线")

manual_trading_hub/static/archive.js

@@ -252,16 +252,18 @@
     });
   }
 
-  function focusHoldRange(candles, tr, tf) {
+  /** 初始只聚焦持仓段；完整历史已加载，可向左拖动/滚轮缩小查看建仓前全局。 */
+  function focusInitialTradeView(candles, tr, tf) {
     if (!chart || !candles.length || !tr) return;
+    const mode = (elViewMode && elViewMode.value) || "hold";
     const openSec = tradeOpenMs(tr) ? msToBarTime(tradeOpenMs(tr), tf) : null;
     const closeSec = tradeCloseMs(tr) ? msToBarTime(tradeCloseMs(tr), tf) : null;
-    let fromIdx = 0;
+    let openIdx = 0;
-    let toIdx = candles.length - 1;
+    let closeIdx = candles.length - 1;
     if (openSec != null) {
       for (let i = 0; i < candles.length; i++) {
         if (candles[i].time >= openSec) {
-          fromIdx = Math.max(0, i - 12);
+          openIdx = i;
           break;
         }
       }
@@ -269,11 +271,21 @@
     if (closeSec != null) {
       for (let i = candles.length - 1; i >= 0; i--) {
         if (candles[i].time <= closeSec) {
-          toIdx = Math.min(candles.length - 1, i + 12);
+          closeIdx = i;
           break;
         }
       }
     }
+    const span = Math.max(24, closeIdx - openIdx + 20);
+    let fromIdx;
+    let toIdx;
+    if (mode === "entry") {
+      fromIdx = Math.max(0, openIdx - Math.floor(span * 0.35));
+      toIdx = Math.min(candles.length - 1, openIdx + Math.floor(span * 0.65));
+    } else {
+      fromIdx = Math.max(0, openIdx - 10);
+      toIdx = Math.min(candles.length - 1, closeIdx + 14);
+    }
     if (toIdx <= fromIdx) {
       toIdx = Math.min(candles.length - 1, fromIdx + 80);
     }
@@ -303,9 +315,24 @@
         vertLines: { color: isDark ? "#1a2030" : "#e8ecf2" },
         horzLines: { color: isDark ? "#1a2030" : "#e8ecf2" },
       },
-      rightPriceScale: { borderColor: isDark ? "#2a3348" : "#d0d7e2" },
+      rightPriceScale: { borderColor: isDark ? "#2a3348" : "#d0d7e2", autoScale: true },
-      timeScale: { borderColor: isDark ? "#2a3348" : "#d0d7e2", timeVisible: true },
+      timeScale: {
+        borderColor: isDark ? "#2a3348" : "#d0d7e2",
+        timeVisible: true,
+        secondsVisible: false,
+      },
       crosshair: { mode: LightweightCharts.CrosshairMode.Normal },
+      handleScroll: {
+        mouseWheel: true,
+        pressedMouseMove: true,
+        horzTouchDrag: true,
+        vertTouchDrag: false,
+      },
+      handleScale: {
+        axisPressedMouseMove: true,
+        mouseWheel: true,
+        pinch: true,
+      },
     });
     candleSeries = chart.addCandlestickSeries({
       upColor: "#22c55e",
@@ -335,19 +362,23 @@
     const tr = pickAnchorTrade();
     const anchor = anchorMsForTrade(tr);
     const jump = (elJumpAt && elJumpAt.value || "").trim();
+    const openMs = tradeOpenMs(tr);
+    const closeMs = tradeCloseMs(tr);
     const params = new URLSearchParams({
       exchange_key: selected.exchange_key,
       symbol: selected.symbol,
       timeframe: timeframe,
       mode: (elViewMode && elViewMode.value) || "hold",
-      bars: "200",
     });
+    if (openMs && closeMs) {
+      params.set("range", "history");
+      params.set("opened_ms", String(openMs));
+      params.set("closed_ms", String(closeMs));
+    } else {
+      params.set("bars", "200");
       if (jump) params.set("at", jump);
       else if (anchor) params.set("anchor_ms", String(anchor));
-    const openMs = tradeOpenMs(tr);
+    }
-    const closeMs = tradeCloseMs(tr);
-    if (openMs) params.set("opened_ms", String(openMs));
-    if (closeMs) params.set("closed_ms", String(closeMs));
     setStatus("加载 K 线…");
     const r = await apiFetch("/api/archive/ohlcv?" + params.toString());
     const j = await r.json();
@@ -375,11 +406,12 @@
       candleSeries.setMarkers(buildTradeMarkers(tr, candles, timeframe));
     }
     if (tr && tradeOpenMs(tr) && tradeCloseMs(tr)) {
-      focusHoldRange(candles, tr, timeframe);
+      focusInitialTradeView(candles, tr, timeframe);
     } else if (candles.length > 10) {
       chart.timeScale().setVisibleLogicalRange({ from: candles.length - 120, to: candles.length + 5 });
     }
-    setStatus("K 线 " + candles.length + " 根 · " + timeframe + (tr ? " · 已标注开/平" : ""));
+    const histHint = openMs && closeMs ? " · 可拖动/滚轮缩放查看建仓前走势" : "";
+    setStatus("K 线 " + candles.length + " 根 · " + timeframe + (tr ? " · 已标注开/平" : "") + histHint);
   }
 
   function renderTrades() {

manual_trading_hub/static/index.html

@@ -189,7 +189,7 @@
     <div id="page-archive" class="page hidden">
       <div class="page-head">
         <h1><span class="head-tag">ARC</span> 币种档案</h1>
-        <p class="page-desc">一所一币一行 · 交易时间线 · 永久 5m K 线（15m/1h/4h 聚合）</p>
+        <p class="page-desc">一所一币一行 · 交易时间线 · 建档 30 天 K 线可拖动缩放（默认聚焦持仓段，不含拉到「现在」）</p>
       </div>
       <div class="archive-toolbar toolbar">
         <label class="archive-field">
@@ -349,7 +349,7 @@
   <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.js?v=20260604-upnl-contracts"></script>
-  <script src="/assets/archive.js?v=20260607-hub-archive-v3"></script>
+  <script src="/assets/archive.js?v=20260607-hub-archive-v4"></script>
   <script src="/assets/ai_review_render.js?v=2"></script>
   <script src="/assets/app.js?v=20260607-hub-archive-v1"></script>
 </body>

tests/test_hub_symbol_archive_lib.py

@@ -111,7 +111,7 @@ def test_fill_missing_bars_continuity():
     assert any(b.get("filled") for b in filled)
 
 
-def test_resolve_archive_chart_hold_window():
+def test_resolve_archive_chart_history_range():
     with tempfile.TemporaryDirectory() as td:
         db = Path(td) / "archive.db"
         init_db(db)
@@ -125,11 +125,13 @@ def test_resolve_archive_chart_hold_window():
             opened_ms=open_ms,
             closed_ms=close_ms,
             mode="hold",
+            range_mode="history",
             db_path=db,
         )
         assert out["ok"] is True
-        assert out.get("opened_ms") == open_ms
+        assert out.get("range_mode") == "history"
-        assert len(out["candles"]) >= 10
+        assert out.get("window_end_ms") <= close_ms + 4 * 3600_000
+        assert len(out["candles"]) >= 40
 
 
 def test_list_with_overlay_filters():