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Verdmat Page UI/UX Refinement and Unit Selector Implementation

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Verdmat Page UI/UX Refinement and Unit Selector Implementation

Summary

A development cycle focused on standardizing the property valuation (Verdmat) interface, removing low-confidence interval visualizations, and introducing a grouped unit selector for multi-unit apartment complexes. The process involved multi-agent coordination to modify the DetailPanel, PriceHeader, and search components, followed by automated verification using Chrome DevTools.

Details

The Verdmat page underwent a series of UI/UX refinements to improve the clarity of the property decomposition layer and the usability of the property search function for large apartment complexes.

Decomposition Layer Standardization

The valuation decomposition is structured into layers (L1-L3). To ensure consistency across the DetailPanel, the following changes were implemented:

  • L1 Structural: Displays size, room count, property type/year, and official valuation (fasteignamat).
  • L2 Spatial: Displays postal code, address, and latitude/longitude coordinates.
  • L3 Temporal: Displays the forecast date (e.g., Mars 2026).
  • R² Integration: Every layer now uniformly displays the R² value (coefficient of determination) as the final item. The label was standardized across all five layers to “R² — dreifni útskyrðu”. During verification, specific values observed included 85.7% for L1, 1.4% for L2, and 4.3% for L3.

Removal of Confidence Intervals

Due to the current width of confidence intervals, the decision was made to strip these visualizations from the user interface until the model can provide tighter bounds.

  • PriceHeader: Removed the ± spread, the confidence badge, and the range bar. The component now exclusively displays the predicted price (e.g., “52.028.964 ISK”).
  • AgentSalesPitch: Removed the confidence range visualization.
  • Code Cleanup: The useAnimatedValue hook, previously used for the confidence bar animations, was removed as it became obsolete. While the UI components were stripped, the underlying API types and data fields were preserved to maintain backward compatibility.

Multi-Unit Selector Logic

To handle large apartment complexes where multiple units share a single address or fastanúmer, a new grouping logic was introduced to the search results:

  • Grouping: The groupByBuilding() function aggregates results by base address and postal code.
  • UI Representation: Multi-unit buildings appear as expandable headers in the search dropdown, featuring a “N eignir” (N properties) badge and a chevron icon. Single-unit results continue to render as standard list items.
  • Interaction Fixes: A bug was identified where clicking a group header caused the search input to blur and close the dropdown. This was resolved by implementing e.preventDefault() on the mouseDown event of the group header.
  • Styling: The dropdown was capped at max-h-80 with an internal scrollbar to accommodate long lists of units.

Verification Workflow

The changes were verified using the mcp__plugin_chrome-devtools (Chrome DevTools MCP). The verification process included:

  1. Navigating to the local development server.
  2. Using take_snapshot and take_screenshot to inspect the DOM and visual state.
  3. Simulating user interaction (filling search inputs, clicking group headers) to verify the unit selector’s expansion and focus management.
  4. Validating the “Fasteignasali” (Real Estate Agent) tab to ensure the removal of the confidence interval bar did not break the agent scorecard or price composition bars.

Graph View