🎨 Palette: Add tooltips to Topbar navigation icons

[aarjava]

💡 What: The UX enhancement added tooltips to the three icon-only actions in the top navigation bar.
🎯 Why: Without text labels or tooltips, icon-only buttons rely entirely on users interpreting the iconography correctly. Tooltips solve this by providing on-demand context, improving overall usability.
📸 Before/After: Before, hovering over the bells, user profile, or settings gear did nothing visually. After, a small, stylistic tooltip appears with a text description.
♿ Accessibility: While the buttons already had aria-labels for screen readers, visual users with cognitive disabilities or users unfamiliar with standard icons now benefit from explicit text descriptions. Ensured keyboard navigation and Radix UI DropdownMenu continue to work properly with the nested triggers.

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PR created automatically by Jules for task 7088363079836896327 started by @aarjava

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Project	Deployment	Actions	Updated (UTC)
fluxlens-ai	Ready	Preview, Comment	Mar 27, 2026 10:52pm