fix(autoplay): strip bare tradução, purge now-playing duplicates, reduce lastfm boost

[LucasSantana-Dev]

Summary

• Bare "Tradução" dedup: Added \btradu[çc][aã]o\b and \btraduzido\b to NOISE_PATTERNS so "YE - FATHER Tradução" normalizes to the same key as "YE - FATHER" and is rejected as a duplicate
• Purge stale queue duplicates: purgeDuplicatesOfCurrentTrack() runs at the start of each replenish cycle and removes any upcoming queue tracks that duplicate the now-playing track (catches duplicates added before the current song started)
• Reduce Last.fm boost: LASTFM_SCORE_BOOST lowered from 0.1 → 0.0 so Last.fm novelty candidates no longer outscore seed-based candidates from the same session — prevents unrelated genre injection (e.g. Brazilian funk during a rap session)

Test plan

• All 2176 bot tests pass
• "YE - FATHER Tradução" no longer queued alongside "YE - FATHER"
• No stale duplicates of now-playing track survive in upcoming queue
• Autoplay session stays on-genre (Last.fm now equal priority, not boosted above seeds)

Summary by CodeRabbit

• Bug Fixes

  • Improved autoplay queue management by removing duplicate tracks matching the currently playing track.
  • Adjusted last.fm recommendation scoring weights.

• Improvements

  • Enhanced search query cleaning with expanded Portuguese language pattern recognition.

• Tests

  • Updated test assertions for last.fm recommendation validation.

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
lucky	Ready	Preview, Comment	Apr 13, 2026 6:46pm

[sonarqubecloud]

Quality Gate passed

Issues
1 New issue
0 Accepted issues

Measures
0 Security Hotspots
80.8% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 75c94945-5507-4d5a-83aa-520ef5db93db

📥 Commits

Reviewing files that changed from the base of the PR and between 04d95b5 and 4d042d5.

📒 Files selected for processing (3)

• packages/bot/src/utils/music/queueManipulation.spec.ts
• packages/bot/src/utils/music/queueManipulation.ts
• packages/bot/src/utils/music/searchQueryCleaner.ts

---

📝 Walkthrough

Walkthrough

The PR adjusts Last.fm scoring in autoplay queue replenishment by zeroing the LASTFM_SCORE_BOOST constant, adds duplicate track purging logic to remove now-playing track variants before replenishment, expands Portuguese language noise pattern matching, and relaxes test assertions on recommendation reason metadata.

Changes

Cohort / File(s)	Summary
Last.fm Scoring Adjustment packages/bot/src/utils/music/queueManipulation.ts	Changed LASTFM_SCORE_BOOST constant from 0.1 to 0.0, eliminating score lift from last.fm taste contributions.
Duplicate Track Purging packages/bot/src/utils/music/queueManipulation.ts	Added purgeDuplicatesOfCurrentTrack() helper function that removes queue tracks matching the now-playing track by URL, normalized title/author keys, and extracted song core; invoked at start of _replenishQueue with debug logging.
Test Assertion Update packages/bot/src/utils/music/queueManipulation.spec.ts	Removed assertion requiring metadata.recommendationReason to include "last.fm" substring; test now only validates metadata.isAutoplay: true.
Portuguese Noise Patterns packages/bot/src/utils/music/searchQueryCleaner.ts	Added two Portuguese noise-removal regexes to NOISE_PATTERNS for standalone words tradução and traduzido to expand unwrapped occurrence stripping.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~25 minutes

Possibly related PRs

• #567: Modifies LASTFM_SCORE_BOOST and autoplay replenishment logic with Last.fm seeding integration.
• #575: Targets duplicate-song prevention in autoplay queue replenishment.
• #582: Uses extractSongCore and normalized matching for YouTube title variant deduplication.

Suggested labels

size/m

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/autoplay-dedup-noise

---

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 and usage tips.}