[codex] Remove announce epoch

[kixelated]

Summary

• Remove the ANNOUNCE_BROADCAST Epoch field and related prose from moq-lite.
• Resolve duplicate broadcast advertisements by shortest total path length.
• Simplify moq-lite-05 changelog entries and add CLAUDE.md guidance for concise changelog bullets.

Validation

• rg -n "Epoch|epoch" .
• git diff --check HEAD~1 HEAD

Full Makefile build was not run because lib/ is empty and would require fetching i-d-template.

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: d4ca49ec-654b-495b-9091-3422bd1d4c30

📥 Commits

Reviewing files that changed from the base of the PR and between 3abdcbd and b965dad.

📒 Files selected for processing (2)

• CLAUDE.md
• draft-lcurley-moq-lite.md

Walkthrough

The draft removes Epoch from the ANNOUNCE_BROADCAST protocol description and wire format, updates duplicate-broadcast routing to use shortest total path length, and deletes the related Epoch prose. It also rewrites the moq-lite-05 changelog into bullets and adds a CLAUDE.md note that changelog bullets should be concise and factual.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly summarizes the main change: removing the ANNOUNCE_BROADCAST epoch handling.
Description check	✅ Passed	The description matches the patch and covers the protocol, changelog, and CLAUDE.md updates.
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

✨ Simplify code

• Create PR with simplified code
• Commit simplified code in branch codex/remove-epoch

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