🎨 Palette: Clarify Basis Points in Transaction Cost Input

.Jules/palette.md

@@ -0,0 +1,3 @@
+## 2024-04-06 - Concrete Examples for Financial Parameters
+**Learning:** Users can find financial jargon like "basis points" confusing, even in specialized dashboards. Providing concrete examples directly in the tooltip significantly improves clarity.
+**Action:** Always include a concrete mathematical example (e.g., "10 bps = 0.10%") in the `help` tooltip for inputs involving statistical or financial parameters like quantiles or basis points.

src/dashboard.py

@@ -190,7 +190,15 @@ def get_cache_key(*args) -> str:
 
     if mode == "Single-Asset":
         st.subheader("5. Backtest Settings")
-        bt_cost = st.number_input("Transaction Cost (bps)", value=DEFAULT_COST_BPS, step=1) / 10000
+        bt_cost = (
+            st.number_input(
+                "Transaction Cost (bps)",
+                value=DEFAULT_COST_BPS,
+                step=1,
+                help="Cost per trade in basis points (e.g., 10 bps = 0.10%).",
+            )
+            / 10000
+        )
         allow_short = st.checkbox("Allow Short Selling?", value=False)
     else:
         st.subheader("5. Alert Thresholds")