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🎨 Palette: Add tooltip to Transaction Cost & Fix Runtime Crash#43

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aarjava wants to merge 2 commits intomainfrom
palette/transaction-cost-tooltip-3713863871269532260
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🎨 Palette: Add tooltip to Transaction Cost & Fix Runtime Crash#43
aarjava wants to merge 2 commits intomainfrom
palette/transaction-cost-tooltip-3713863871269532260

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@aarjava
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@aarjava aarjava commented Feb 13, 2026

  • πŸ’‘ What: Added a helper tooltip to the "Transaction Cost (bps)" input explaining basis points and typical values. Also fixed a ImportError: background_gradient requires matplotlib crash by adding matplotlib to dependencies.
  • 🎯 Why: The term "bps" is technical jargon that can confuse users. The crash prevented users from viewing backtest results.
  • πŸ“Έ Verified: Added tooltip text "Simulates trading friction...". Confirmed crash is resolved via Playwright.
  • β™Ώ Accessibility: Improved clarity of form input.
  • Refactored src/dashboard.py to fix 50+ linting errors as per CI requirements.

PR created automatically by Jules for task 3713863871269532260 started by @aarjava

- Added `help` tooltip to `st.number_input` for transaction cost to explain bps.
- Added `matplotlib` to `requirements.txt` to fix `ImportError` in `st.tabs`.
- Formatted `src/dashboard.py` to fix 50+ Ruff/Black violations.

Co-authored-by: aarjava <218419324+aarjava@users.noreply.github.com>
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πŸ‘‹ Jules, reporting for duty! I'm here to lend a hand with this pull request.

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For security, I will only act on instructions from the user who triggered this task.

- Added `help` tooltip to `st.number_input` for transaction cost to explain bps.
- Added `matplotlib` to `requirements.txt` to fix `ImportError` in `st.tabs`.
- Formatted entire codebase with Ruff/Black to pass strict CI checks.

Co-authored-by: aarjava <218419324+aarjava@users.noreply.github.com>
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