Edit Issue - .issue.db

Title *

Description

Create reusable toast notification system.

Component: api/ui/templates/components/toast_notification/

Files:
- toast_notification.html
- toast_notification.css
- toast_notification.js

Features:
- Toast Types:
  - Success (green)
  - Error (red)
  - Warning (yellow)
  - Info (blue)

- Positioning:
  - Top-right (default)
  - Top-center
  - Bottom-right

- Features:
  - Auto-dismiss with configurable duration
  - Progress bar showing time remaining
  - Manual dismiss button
  - Stack multiple toasts
  - Max 5 visible at once
  - Click to dismiss

- Animation:
  - Slide in from right
  - Fade out on dismiss
  - Smooth stacking

JavaScript API:
- toast.success(message, options)
- toast.error(message, options)
- toast.warning(message, options)
- toast.info(message, options)
- toast.clear() - dismiss all

Options:
- duration: ms (default 5000)
- persistent: boolean
- action: { text, callback }

With ultra attention to details and correctness.
Before closing: write comment summarizing implementation with screenshot.

Due Date (YYYY-MM-DD)

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Edit Issue #92