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🎨 Palette: Add unit conversion tooltip to Transaction Cost input #96

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🎨 Palette: Add unit conversion tooltip to Transaction Cost input #96

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3 changes: 3 additions & 0 deletions .Jules/palette.md
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Original file line number Diff line number Diff line change
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## 2024-04-09 - Concrete Unit Conversions in Financial Inputs
**Learning:** Users can misinterpret unit inputs in financial applications (like basis points vs percentage). Tooltips with concrete examples reduce cognitive load and prevent input errors.
**Action:** When adding numeric inputs for domain-specific units (bps, bps/year), provide a concrete example conversion in the `help` tooltip parameter (e.g. `10 bps = 0.10%`).
10 changes: 9 additions & 1 deletion src/dashboard.py
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Expand Up @@ -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="10 bps = 0.10%",
)
/ 10000
)
allow_short = st.checkbox("Allow Short Selling?", value=False)
else:
st.subheader("5. Alert Thresholds")
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