Increase default chart initial bar counts per timeframe.

Load 2000 bars for 1m/5m/15m, 1000 for 1h/2h/4h, and 500 for 1d/1w on first screen instead of 300-bar chunked defaults.

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

hub_ohlcv_lib.py

@@ -87,10 +87,12 @@ def aggregate_ratio(display_tf: str, source_tf: str) -> int:
 def chart_initial_limit(timeframe: str) -> int:
     tf = normalize_chart_timeframe(timeframe)
     if tf in SMALL_DISPLAY_TFS:
-        return 300
+        return 2000
-    if tf == "1w":
+    if tf in MID_DISPLAY_TFS:
-        return 150
+        return 1000
-    return 200
+    if tf in DAILY_PLUS_TIMEFRAMES:
+        return 500
+    return 500
 
 
 def chart_chunk_limit(timeframe: str) -> int:

manual_trading_hub/static/chart.js

@@ -8,14 +8,14 @@
   const DEFAULT_VISIBLE_BARS = 200;
   const CHART_LOAD_LEFT_THRESHOLD = 25;
   const CHART_INITIAL_LIMITS = {
-    "1m": 300,
+    "1m": 2000,
-    "5m": 300,
+    "5m": 2000,
-    "15m": 300,
+    "15m": 2000,
-    "1h": 200,
+    "1h": 1000,
-    "2h": 200,
+    "2h": 1000,
-    "4h": 200,
+    "4h": 1000,
-    "1d": 200,
+    "1d": 500,
-    "1w": 150,
+    "1w": 500,
   };
   const CHART_CHUNK_LIMITS = {
     "1m": 500,

tests/test_hub_kline_store.py

@@ -39,7 +39,9 @@ class TestHubKlineStore(unittest.TestCase):
         self.assertEqual(bar_limit_for_timeframe("1h"), 1000)
         self.assertEqual(bar_limit_for_timeframe("1d"), 1000)
         self.assertEqual(bar_limit_for_timeframe("1w"), 500)
-        self.assertEqual(chart_initial_limit("5m"), 300)
+        self.assertEqual(chart_initial_limit("5m"), 2000)
+        self.assertEqual(chart_initial_limit("1h"), 1000)
+        self.assertEqual(chart_initial_limit("1d"), 500)
 
     def test_chart_fetch_window_exceeds_retention(self):
         now = int(time.time() * 1000)