feat(sidebar): make illiniSpots logo return to home view

[plon]

This PR improves the sidebar header so that clicking illiniSpots brings you back to the home list view, which helps when you are deep in search results with no obvious reset.

Before

The illiniSpots brand was a static h1, so clearing a search meant finding the small X in the search input.

After

The brand is a button that clears the search term and any selected facility, restoring the full facilities list in one click.

Change type

• improvement

Test plan

1. Search for e.g. CIF and confirm results filter.
2. Click the illiniSpots logo and confirm the search clears and the full list returns.
3. Click the logo with no search active and confirm nothing breaks.

• Unit tests
• End to end tests

Ran bun run lint, bun run typecheck, and NODE_ENV=test bun test (175 pass).

Release notes

• Make the illiniSpots logo clickable to clear search and return to the home list.

Code changes

Section	LOC change
Core code	+16 / -3

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1 Skipped Deployment

Project	Deployment	Actions	Updated
illinispots	Ignored		Sep 16, 2026 2:10pm UTC

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📥 Commits

Reviewing files that changed from the base of the PR and between ec147c0 and 1cfb6e0.

📒 Files selected for processing (1)

• src/components/LeftSidebar.tsx

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[cubic-dev-ai]

All reported issues were addressed across 1 file

<sub>Reply with feedback, questions, or to request a fix.

Re-trigger cubic</sub>

[cubic-dev-ai]

0 issues found across 1 file (changes from recent commits).

Confidence score: 5/5

• Automated review surfaced no issues in the provided summaries.
• No files require special attention.

<sub>Auto-approved: Adds a bounded sidebar navigation improvement: clicking the illiniSpots logo clears the search and selected facility to restore the home list. The focused UI change is clearly beneficial and low risk.

Re-trigger cubic</sub>