Add "growing color" animation for active pipeline categories

[Resmung0]

This change adds a new animation to the TopPanel component in the webview. When a pipeline is running, the active category tab will now show its specific color growing from 0% to 100% width, providing a clear visual indication of progress.

Key changes:

• Modified TopPanel.tsx to include category-specific colors and a framer-motion animation.
• Updated PipelineCanvas.tsx to pass the isRunning state to TopPanel.
• Verified the animation visually using Playwright and ensured all unit tests pass.

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PR created automatically by Jules for task 2063333807896213844 started by @Resmung0

Summary by Sourcery

Add a visual running-state indicator to the pipeline top panel by animating the active category tab with its category color when a pipeline is running.

New Features:

• Show a category-colored animated fill on the active pipeline tab while a pipeline is running.

Enhancements:

• Propagate the pipeline running state into the top panel to drive the new visual indicator.

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[sourcery-ai]

Reviewer's Guide

Implements a category-colored "growing" run animation on the active tab in TopPanel using framer-motion, wiring the pipeline running state from PipelineCanvas into the TopPanel and adding the necessary styling and props.

Sequence diagram for passing isRunning to TopPanel and triggering the growing color animation

sequenceDiagram
    actor User
    participant PipelineCanvas
    participant TopPanel
    participant FramerMotion

    User->>PipelineCanvas: Start pipeline run
    PipelineCanvas->>PipelineCanvas: set isRunning = true
    PipelineCanvas->>TopPanel: render TopPanel(onCategorySelect, activeCategory, isRunning=true)
    TopPanel->>TopPanel: determine isActive for each context
    TopPanel->>FramerMotion: AnimatePresence + motion.div for active tab when isRunning
    FramerMotion-->>TopPanel: Animate width 0% -> 100% (repeat Infinity)
    TopPanel-->>User: Show active tab with growing category color fill

    User->>PipelineCanvas: Pipeline run completes
    PipelineCanvas->>PipelineCanvas: set isRunning = false
    PipelineCanvas->>TopPanel: render TopPanel(onCategorySelect, activeCategory, isRunning=false)
    TopPanel->>FramerMotion: AnimatePresence exit for run-fill
    FramerMotion-->>TopPanel: Stop animation and remove run-fill
    TopPanel-->>User: Show active tab without growing color fill

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Class diagram for updated PipelineCanvas and TopPanel props

classDiagram
    class PipelineCanvas {
      +string activeCategory
      +boolean isRunning
      +handleCategorySelect(category)
      +render()
    }

    class TopPanelProps {
      +function onCategorySelect(category)
      +string activeCategory
      +boolean isRunning
    }

    class TopPanel {
      +TopPanelProps props
      +string activeContext
      +contexts: array
      +render()
    }

    PipelineCanvas --> TopPanel : renders
    TopPanel --> TopPanelProps : uses

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File-Level Changes

Change	Details	Files
Add a framer-motion driven animated fill bar to the active, running category tab in TopPanel.	Imported motion and AnimatePresence from framer-motion into TopPanel component. Extended context definitions to include a hex color per category and expose it as a CSS variable on each tab. Rendered a motion.div as a background fill for the active tab when the pipeline is running, animating its width from 0% to 100% on an infinite linear loop. Adjusted icon and label styling/z-index so they render above the animated background fill. Updated tab CSS to hide overflow and style the animated run-fill element.	src/webview/components/TopPanel.tsx
Propagate pipeline running state into TopPanel so the animation is only active while the pipeline is running.	Extended TopPanelProps with an optional isRunning flag and defaulted it to false in the component signature. Passed isRunning from PipelineCanvas into every TopPanel usage, including empty and waiting states.	src/webview/components/TopPanel.tsx src/webview/PipelineCanvas.tsx

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[sourcery-ai]

Hey - I've left some high level feedback:

• The new z-index/position styling for the icon and label is duplicated inline; consider moving these to CSS classes to keep styling centralized and easier to adjust later.
• Since TopPanel is now tightly coupled to the running state, you might make isRunning a required prop instead of optional to better reflect the component’s expected usage and avoid silent fallbacks.

Prompt for AI Agents

Please address the comments from this code review:

## Overall Comments
- The new z-index/position styling for the icon and label is duplicated inline; consider moving these to CSS classes to keep styling centralized and easier to adjust later.
- Since `TopPanel` is now tightly coupled to the running state, you might make `isRunning` a required prop instead of optional to better reflect the component’s expected usage and avoid silent fallbacks.

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