workers assets shared routing cleanup

[jbwcloudflare]

Fixes #[insert GH or internal issue link(s)].

Please see ticket above.
This change centralizes some of the URL handling for Workers Assets and Pages and begins recording telemetry to detect any impact that would be caused by updating all code to use the canonical URL handling.

This is telemetry-only for now.

---

• 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: no behavioral change

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

[changeset-bot]

🦋 Changeset detected

Latest commit: 3f1b4c8

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

This PR includes changesets to release 1 package

Name	Type
@cloudflare/workers-shared	Minor

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[pkg-pr-new]

@cloudflare/autoconfig

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@cloudflare/config

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create-cloudflare

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@cloudflare/deploy-helpers

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@cloudflare/kv-asset-handler

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miniflare

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@cloudflare/pages-shared

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@cloudflare/unenv-preset

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@cloudflare/vite-plugin

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@cloudflare/vitest-pool-workers

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@cloudflare/workers-auth

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@cloudflare/workers-editor-shared

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@cloudflare/workers-utils

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wrangler

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commit: 3f1b4c8

[workers-devprod]

Codeowners approval required for this PR:

• @cloudflare/deploy-config
• @cloudflare/wrangler

Show detailed file reviewers

• .changeset/thin-pianos-create.md: [@cloudflare/wrangler]
• packages/workers-shared/asset-worker/src/analytics.ts: [@cloudflare/deploy-config @cloudflare/wrangler]
• packages/workers-shared/asset-worker/src/handler.ts: [@cloudflare/deploy-config @cloudflare/wrangler]
• packages/workers-shared/asset-worker/src/utils/canonical-path.ts: [@cloudflare/deploy-config @cloudflare/wrangler]
• packages/workers-shared/asset-worker/src/utils/headers.ts: [@cloudflare/deploy-config @cloudflare/wrangler]
• packages/workers-shared/asset-worker/src/utils/rules-engine.ts: [@cloudflare/deploy-config @cloudflare/wrangler]
• packages/workers-shared/asset-worker/tests/canonical-path.test.ts: [@cloudflare/deploy-config @cloudflare/wrangler]
• packages/workers-shared/asset-worker/tests/handler.test.ts: [@cloudflare/deploy-config @cloudflare/wrangler]
• packages/workers-shared/asset-worker/tests/rules-engine.test.ts: [@cloudflare/deploy-config @cloudflare/wrangler]
• packages/workers-shared/router-worker/src/analytics.ts: [@cloudflare/deploy-config @cloudflare/wrangler]
• packages/workers-shared/router-worker/src/worker.ts: [@cloudflare/deploy-config @cloudflare/wrangler]
• packages/workers-shared/router-worker/tests/index.test.ts: [@cloudflare/deploy-config @cloudflare/wrangler]

[jbwcloudflare]

marked as ready to get AI feedback, will fix any feedback and finalize afterwards

[devin-ai-integration]

✅ Devin Review: No Issues Found

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

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