Notebook controls with special LiveStore events for bulk actions

[markmiro]

Depends on #657

Added controls (new LiveStore events behind a feature flag):

• Run all cells
• Restart and run all cells (placeholder for now, shows toast)
• Stop all cells
• Clear all outputs
• Delete all cells

⚠︎ NOTE: screenshots and videos are out-of-date. The top nav is now a single line, and there are additional options in the dropdown.

Features:

• Show live running status:

  Screen.Recording.2025-09-30.at.2.12.31.PM.mov

Screen.Recording.2025-09-30.at.2.00.09.PM.mov

With sleep:

Screen.Recording.2025-09-30.at.2.02.54.PM.mov

Stop all:

Screen.Recording.2025-09-30.at.2.05.26.PM.mov

[markmiro]

@rgbkrk after making single events for run all, stop all, etc. now it only works with the browser runtime.

In the older runtime, it just hangs

[rgbkrk]

In the older runtime, it just hangs

In the future if you have new events for the event log, let's do the following workflow:

• Prototype your UI changes
• Hide the UI changes behind a feature flag
• Introduce the schema change
• Publish the schema change
• Once all clients have gotten the new schema, set the feature flag to true

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