chore: release v0.4.1

[bensonwong]

Summary

• Bumps version to 0.4.1
• Updates CHANGELOG.md with [0.4.1] - 2026-04-12 section
• Updates README bundle size badge ~15KB → ~9KB

What's in this release

Performance

• ~45% main-entry bundle reduction — DeepCitationClient and prompt helpers decoupled from the main entry (perf: decouple DeepCitation client and prompts from main entry (~45% bundle reduction) #420)

Fixed

• getCitationKey now resolves old-CLI field aliases (anchorText, fullPhrase) (fix(citationKey): resolve old-CLI field aliases in getCitationKey #419)

Removed (breaking CLI)

• deepcitation cite, deepcitation env (top-level), deepcitation showcase removed (refactor(cli): remove deprecated cite, showcase, and top-level env commands #421)

Checklist

• Lint passes
• Tests pass (2317)
• Build succeeds
• All size limits clear (main entry: 8.45 KB / 25 KB limit)

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3 Skipped Deployments

Project	Deployment	Actions	Updated (UTC)
agui-chat-deepcitation	Ignored		Apr 12, 2026 9:59pm
deepcitation-langchain-rag-chat	Ignored		Apr 12, 2026 9:59pm
nextjs-ai-sdk-deepcitation	Ignored		Apr 12, 2026 9:59pm

[claude]

PR Review: chore: release v0.4.1

Overall this is a clean, minimal release PR. One concern worth discussing before merge:

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Semver mismatch — patch version for breaking changes

The PR description lists breaking CLI removals (deepcitation cite, deepcitation env, deepcitation showcase) as part of this release. Per Semantic Versioning, removing public commands is a breaking change and should increment the minor version (0.5.0), not the patch (0.4.1).

If the intent is that CLI commands are not part of the public API (i.e., only the JS/TS exports are versioned), that's a reasonable policy — but it should be documented explicitly (e.g., in CHANGELOG.md or README.md) so consumers aren't surprised when a patch upgrade removes CLI tooling they depend on.

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CHANGELOG structure

The ### Removed ⚠️ Breaking CLI changes section was already in [Unreleased] before this diff and remains there syntactically. After this PR it will fall under [0.4.1] (correct), and [Unreleased] will be left empty as a placeholder (also fine). No action needed here — just confirming the rendering is correct.

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Everything else looks good

• Version bump 0.4.0 → 0.4.1 in package.json is consistent with the CHANGELOG entry.
• Badge updated from ~15KB → ~9KB; the reported actual size is 8.45 KB, which rounds correctly.
• CHANGELOG entries are clear and link back to the originating PRs (fix(citationKey): resolve old-CLI field aliases in getCitationKey #419, perf: decouple DeepCitation client and prompts from main entry (~45% bundle reduction) #420, refactor(cli): remove deprecated cite, showcase, and top-level env commands #421).
• No code changes in this PR — risk surface is limited to docs/metadata only.

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Suggested action: Decide whether CLI commands are part of the versioned public API. If yes, bump to 0.5.0. If no, add a brief note in the CHANGELOG or README clarifying the versioning scope. Either way, the diff itself is correct once that decision is made.

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[github-actions]

✅ Playwright Test Report

Status: Tests passed

📊 Download Report & Snapshots (see Artifacts section)

What's in the Visual Snapshots

The gallery includes visual snapshots for:

• 🖥️ Desktop showcase (all variants × all states)
• 📱 Mobile showcase (iPhone SE viewport)
• 📟 Tablet showcase (iPad viewport)
• 🔍 Popover states (verified, partial, not found)
• 🔗 URL citation variants

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Run ID: 24317439180