feat(local-explorer-ui): Fix index route path matching

[NuroDev]

Fixes N/A.

Changes

• Updates the Local Explorer Miniflare Worker to properly account for /cdn-cgi/explorer without a trailing slash.
• Fixes the sidebare header link to redirect to /cdn-cgi/explorer/ instead of /
  • This is fine for developing LE with Vite where there's a base URL, but in production use it will redirect to / of the user worker.

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• Tests
  • Tests included/updated
  • Automated tests not possible - manual testing has been completed as follows:
  • Additional testing not necessary because:
• Public documentation
  • Cloudflare docs PR(s):
  • Documentation not necessary because: Internal bug fix

A picture of a cute animal (not mandatory, but encouraged)

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[changeset-bot]

🦋 Changeset detected

Latest commit: aecf922

The changes in this PR will be included in the next version bump.

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[github-actions]

✅ All changesets look good

[ask-bonk]

I've thoroughly reviewed all the changes. Let me summarize my findings:

1. entry.worker.ts: The old code used url.pathname.startsWith(LOCAL_EXPLORER_BASE_PATH) which would match /cdn-cgi/explorerfoo as well as /cdn-cgi/explorer. The fix correctly splits this into an exact match (=== LOCAL_EXPLORER_BASE_PATH) and a prefix match with trailing slash (startsWith(\${LOCAL_EXPLORER_BASE_PATH}/`)`). This is a proper path-matching pattern.

2. Sidebar.tsx: The href change from / to /cdn-cgi/explorer/ is correct -- in production (served through the Miniflare worker), / would route to the user's worker, not the explorer.

3. Tests: Three new routing tests cover the exact scenarios: without trailing slash, with trailing slash, and the prefix-collision case (/cdn-cgi/explorerfoo). All appropriate.

4. Changesets: Two separate changesets for the two affected packages -- correct per repo guidelines.

The logic is sound, the tests cover the important edge cases, and the fix is minimal and targeted.

LGTM

github run

[workers-devprod]

Codeowners approval required for this PR:

• ✅ @cloudflare/wrangler

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[devin-ai-integration]

✅ Devin Review: No Issues Found

Devin Review analyzed this PR and found no potential bugs to report.

View in Devin Review to see 2 additional findings.

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commit: 6a757e8