Bump radiance to pick up resilient front-retry

[myleshorton]

Bumps radiance → d7290e5, carrying the domainfront resilient front-retry work into the client. domainfront (→ db7c158) and kindling (→ ef87ee2) move with it as indirect deps.

Why

This is the last hop of the chain domainfront#15 → kindling#43 → radiance#571 → here.

It targets the "config fetch completely fails" reports from China/Iran, where domainfront connects (and even vets) hundreds of times but the fronted request never reaches the origin — a provider (e.g. an Aliyun edge behind the GFW) that accepts the TLS handshake but then answers 403/5xx or silently drops the request.

After this bump, fronted config fetches:

• retry on retryable error responses (default 403 or >= 500) instead of accepting the bad response, and
• prefer a different fronting provider on retry, so a ready queue dominated by the misbehaving-but-vetting provider doesn't trap the retries.

This PR

go.mod / go.sum only — no lantern code changes (the new behavior is automatic; the only new domainfront API is opt-in). Ran go mod tidy; go build ./... passes.

Summary by CodeRabbit

• Chores
  • Updated underlying components to newer versions.
  • Included maintenance updates for supporting components without changing user-facing functionality.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: a8b23a0e-512e-4e5e-8122-16a3e8a8907e

📥 Commits

Reviewing files that changed from the base of the PR and between fa6ff58 and 0f62312.

⛔ Files ignored due to path filters (1)

• go.sum is excluded by !**/*.sum

📒 Files selected for processing (1)

• go.mod

---

📝 Walkthrough

Walkthrough

Updates github.com/getlantern/radiance and the indirect domainfront and kindling dependencies in go.mod to newer pseudo-versions.

Changes

Dependency updates

Layer / File(s)	Summary
Go module version updates go.mod	Updates the radiance, domainfront, and kindling dependency versions; keepcurrent remains unchanged.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Possibly related PRs

• getlantern/lantern#8883: Updates the same direct and indirect dependencies.
• getlantern/lantern#8886: Overlaps on the same go.mod dependency version changes.
• getlantern/lantern#8917: Updates the same dependency set.

Suggested reviewers: copilot

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly summarizes the main dependency bump and the key behavior it brings in.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fisk/bump-radiance-resilient-retry

---

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share

• X
• Mastodon
• Reddit
• LinkedIn

_{Comment @coderabbitai help to get the list of available commands.}

[Copilot]

Pull request overview

Updates the Go module dependencies to pull in the latest github.com/getlantern/radiance revision that includes the “resilient front-retry” behavior (via updated indirect domainfront and kindling), with no direct Lantern code changes.

Changes:

• Bump github.com/getlantern/radiance to v0.0.0-20260721174611-d7290e50e7b4.
• Update indirect dependencies github.com/getlantern/domainfront and github.com/getlantern/kindling to the corresponding newer pseudo-versions.
• Refresh go.sum entries to match the new module versions.

Reviewed changes

Copilot reviewed 1 out of 2 changed files in this pull request and generated no comments.

File	Description
go.mod	Updates required radiance version and aligns indirect domainfront/kindling versions.
go.sum	Updates checksum entries to reflect the new dependency versions.

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.