[Wikid82]

Summary

Tightens route handling in the proxy layer. The recovery route for the reset endpoint is now generated only for a host that proxies Charon itself, and it matches only the two exact reset paths. Every other host and path goes through the full security pipeline.

Changes

• backend/internal/caddy/config.go: recovery route limited to self-proxy hosts and exact paths.
• Route-count and shape assertions updated (none removed); new tests pin the generated pipeline order and the recovery route.
• ARCHITECTURE.md: proxy route section updated.
• Playwright cases for route handling on an allow-listed host and a self-proxy host.

Validation

• Backend build, vet, scoped tests, coverage gate (93.2%), patch coverage 100%, make lint-fast and make lint-backend: pass.
• CodeQL Go: no new results; existing suppressions re-reviewed and still justified.
• Throwaway-container check of the generated routes and the reset flow: pass.
• Targeted Playwright (acl-enforcement): 9 of 9. lint:e2e at its ceiling.

Addresses the first item of the Cerberus hardening batch.

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[github-actions]

✅ Supply Chain Verification Results

✅ PASSED

📦 SBOM Summary

• Components: 1873

🔍 Vulnerability Scan

Severity	Count
🔴 Critical	0
🟠 High	0
🟡 Medium	13
🟢 Low	2
Total	16

📎 Artifacts

• SBOM (CycloneDX JSON) and Grype results available in workflow artifacts

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_{Generated by Supply Chain Verification workflow • View Details}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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