diff --git a/pyproject.toml b/pyproject.toml
index f04943e..da0c5b2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ readme = "README.md"
 requires-python = ">=3.11"
 dependencies = [
   "pandas>=2.0",
-  "quant-platform-kit @ git+https://github.com/QuantStrategyLab/QuantPlatformKit.git@53b2ca73a5a50257b5d1a3c769b75c40924e4ba6",
+  "quant-platform-kit @ git+https://github.com/QuantStrategyLab/QuantPlatformKit.git@69a0256934d081b5ef309a885384b9eb9f62cf90",
 ]
 
 [project.optional-dependencies]
diff --git a/scripts/research_hk_equity_combo_backtest.py b/scripts/research_hk_equity_combo_backtest.py
index fea0970..b1c66b1 100644
--- a/scripts/research_hk_equity_combo_backtest.py
+++ b/scripts/research_hk_equity_combo_backtest.py
@@ -250,6 +250,7 @@ def run_combo(
     rotation: RotationConfig | None = None,
     combo: ComboConfig | None = None,
     *,
+    legacy: bool = False,
     orchestrator: bool = False,
 ) -> dict[str, Any]:
     """Run static and dynamic combo backtests and return full results.
@@ -268,7 +269,7 @@ def run_combo(
     rotation = rotation or RotationConfig()
     combo = combo or ComboConfig()
 
-    if orchestrator:
+    if not legacy:
         from hk_equity_strategies.backtest.orchestrator_research import run_combo_profile_backtest
         from hk_equity_strategies.backtest.yfinance_market_data import download_market_history
         from hk_equity_strategies.strategies.hk_equity_combo import PROFILE_NAME
@@ -408,14 +409,15 @@ def main() -> None:
         description="Backtest HK equity combo (ETF rotation + dividend snapshot)."
     )
     parser.add_argument("--json-output", type=Path)
+    parser.add_argument("--legacy", "--analysis", dest="legacy", action="store_true", help="Run the legacy research-analysis path instead of BacktestOrchestrator.")
     parser.add_argument(
         "--orchestrator",
         action="store_true",
-        help="Run combo via HkEquityComboBacktestRunner (BacktestOrchestrator path).",
+        help="Deprecated compatibility flag; default path already uses BacktestOrchestrator.",
     )
     args = parser.parse_args()
 
-    payload = run_combo(orchestrator=args.orchestrator)
+    payload = run_combo(legacy=args.legacy)
     text = json.dumps(payload, indent=2, sort_keys=True)
 
     if args.json_output:
diff --git a/scripts/research_hk_global_etf_tactical_rotation_backtest.py b/scripts/research_hk_global_etf_tactical_rotation_backtest.py
index 762ccdc..83defac 100755
--- a/scripts/research_hk_global_etf_tactical_rotation_backtest.py
+++ b/scripts/research_hk_global_etf_tactical_rotation_backtest.py
@@ -201,8 +201,8 @@ def _slice(series: pd.Series, start: str | None, end: str | None) -> pd.Series:
     return output
 
 
-def run(config: BacktestConfig, rotation: RotationConfig, *, orchestrator: bool = False) -> dict[str, Any]:
-    if orchestrator:
+def run(config: BacktestConfig, rotation: RotationConfig, *, legacy: bool = False) -> dict[str, Any]:
+    if not legacy:
         market_history = download_market_history(start=config.start, end=config.end)
         payload = run_etf_rotation_profile_backtest(
             "hk_global_etf_tactical_rotation",
@@ -269,13 +269,14 @@ def run(config: BacktestConfig, rotation: RotationConfig, *, orchestrator: bool
 def main() -> None:
     parser = argparse.ArgumentParser(description="Backtest a HK-listed global ETF rotation research candidate.")
     parser.add_argument("--json-output", type=Path)
+    parser.add_argument("--legacy", "--analysis", dest="legacy", action="store_true", help="Run the legacy research-analysis path instead of BacktestOrchestrator.")
     parser.add_argument(
         "--orchestrator",
         action="store_true",
-        help="Run strategy leg via HkEtfRotationBacktestRunner (BacktestOrchestrator path).",
+        help="Deprecated compatibility flag; default path already uses BacktestOrchestrator.",
     )
     args = parser.parse_args()
-    payload = run(BacktestConfig(), RotationConfig(), orchestrator=args.orchestrator)
+    payload = run(BacktestConfig(), RotationConfig(), legacy=args.legacy)
     text = json.dumps(payload, indent=2, sort_keys=True, default=str)
     if args.json_output:
         args.json_output.write_text(text + "\n")
diff --git a/uv.lock b/uv.lock
index 3c27441..197cca8 100644
--- a/uv.lock
+++ b/uv.lock
@@ -40,7 +40,7 @@ test = [
 requires-dist = [
     { name = "pandas", specifier = ">=2.0" },
     { name = "pytest", marker = "extra == 'test'", specifier = ">=8" },
-    { name = "quant-platform-kit", git = "https://github.com/QuantStrategyLab/QuantPlatformKit.git?rev=53b2ca73a5a50257b5d1a3c769b75c40924e4ba6" },
+    { name = "quant-platform-kit", git = "https://github.com/QuantStrategyLab/QuantPlatformKit.git?rev=69a0256934d081b5ef309a885384b9eb9f62cf90" },
 ]
 provides-extras = ["test"]
 
@@ -315,7 +315,7 @@ wheels = [
 [[package]]
 name = "quant-platform-kit"
 version = "0.10.0"
-source = { git = "https://github.com/QuantStrategyLab/QuantPlatformKit.git?rev=53b2ca73a5a50257b5d1a3c769b75c40924e4ba6#53b2ca73a5a50257b5d1a3c769b75c40924e4ba6" }
+source = { git = "https://github.com/QuantStrategyLab/QuantPlatformKit.git?rev=69a0256934d081b5ef309a885384b9eb9f62cf90#69a0256934d081b5ef309a885384b9eb9f62cf90" }
 
 [[package]]
 name = "six"