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>

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 len(out["candles"]) >= 10
+        assert out.get("range_mode") == "history"
+        assert out.get("window_end_ms") <= close_ms + 4 * 3600_000
+        assert len(out["candles"]) >= 40
 
 
 def test_list_with_overlay_filters():