fix: add default value to demo notes

[milovate]

Q/A checklist

• I have tested my UI changes on mobile and they look acceptable
• I have tested changes to the workflows in both the API and the UI
• I have done a code review of my changes and looked at each line of the diff + the references of each function I have changed
• My changes have not increased the import time of the server

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time python -c 'import server'

You can visualize this using tuna:

python3 -X importtime -c 'import server' 2> out.log && tuna out.log

To measure import time for a specific library:

$ time python -c 'import pandas'

________________________________________________________
Executed in    1.15 secs    fish           external
   usr time    2.22 secs   86.00 micros    2.22 secs
   sys time    0.72 secs  613.00 micros    0.72 secs

To reduce import times, import libraries that take a long time inside the functions that use them instead of at the top of the file:

def my_function():
    import pandas as pd
    ...

Legal Boilerplate

Look, I get it. The entity doing business as “Gooey.AI” and/or “Dara.network” was incorporated in the State of Delaware in 2020 as Dara Network Inc. and is gonna need some rights from me in order to utilize my contributions in this PR. So here's the deal: I retain all rights, title and interest in and to my contributions, and by keeping this boilerplate intact I confirm that Dara Network Inc can use, modify, copy, and redistribute my contributions, under its choice of terms.

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[coderabbitai]

📝 Walkthrough

Walkthrough

The change modifies the render_demo_button_settings function in widgets/demo_button.py to initialize a text_area widget for Demo Notes with the existing notes value from bi.demo_notes. Additionally, argument formatting was adjusted with an extra comma on placeholder-related lines. These modifications affect how existing notes are displayed and preserved in the UI without introducing changes to storage or validation logic.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

• Localized change to a single file with minimal scope
• Straightforward parameter addition (value=bi.demo_notes) to initialize widget state
• Formatting adjustments are cosmetic and consistent
• No complex logic, behavioral changes to storage/validation, or public API modifications

Pre-merge checks and finishing touches

❌ Failed checks (2 warnings)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	You can run @coderabbitai generate docstrings to improve docstring coverage.
Description Check	⚠️ Warning	The pull request description includes all the required structural sections from the repository template: the Q/A checklist, the "How to check import time?" details section, and the legal boilerplate. However, all four items in the Q/A checklist are left unchecked, which suggests either that the author did not complete the required verification steps or forgot to document their completion. Additionally, the description lacks any substantive explanation of what the PR actually changes beyond the title—there is no narrative description of the modifications made to the code or the rationale behind them. The description appears to be a template copy without meaningful completion or customization.	The author should complete the PR description by checking off the applicable Q/A checklist items to verify that they performed the required checks (UI testing on mobile, workflow testing, code review, and import time verification). Additionally, the author should add a brief summary section describing the specific changes made to the codebase, the rationale for those changes, and any relevant context—such as explaining that the demo notes text area now initializes with existing notes and clarifying why this change was needed.

✅ Passed checks (1 passed)

Check name	Status	Explanation
Title Check	✅ Passed	The PR title "fix: add default value to demo notes" clearly and specifically describes the main change in the changeset. According to the raw summary, the modification initializes the Demo Notes text_area with an existing value by supplying value=bi.demo_notes in widgets/demo_button.py. The title is concise, uses standard commit message formatting with a "fix:" prefix, and directly corresponds to the primary change without being vague or overly broad.

✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch demo-notes-fix

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