revert: artist detail read endpoint

[arpitgupta1214]

Reverts the merged artist detail read slice from #416.

This undo PR removes:

• GET /api/artists/{id}
• artist detail validator/handler/helper/tests
• the dedicated Supabase detail read helper

Reason:

• there is no live in-app consumer for the single-artist detail endpoint in chat yet
• the corresponding chat change is being closed instead of carried forward

This keeps the repos aligned until a real consumer is ready.

---

Summary by cubic

Reverts the artist detail read API to remove an unused endpoint and keep repos aligned. Removes GET /api/artists/[id] along with its handler, request validation, Supabase selector, and tests until chat has a real consumer.

^{Written for commit 91f126a. Summary will update on new commits.}

Summary by CodeRabbit

• Removed Features
  • Removed the API endpoint for retrieving individual artist details.

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Project	Deployment	Actions	Updated (UTC)
recoup-api	Ready	Preview	Apr 9, 2026 0:09am

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: c6eadc04-be48-4990-966f-b459ebb98eb6

📥 Commits

Reviewing files that changed from the base of the PR and between 7705373 and 91f126a.

⛔ Files ignored due to path filters (2)

• lib/artists/__tests__/getArtistHandler.test.ts is excluded by !**/*.test.*, !**/__tests__/** and included by lib/**
• lib/artists/__tests__/validateGetArtistRequest.test.ts is excluded by !**/*.test.*, !**/__tests__/** and included by lib/**

📒 Files selected for processing (5)

• app/api/artists/[id]/route.ts
• lib/artists/getArtistById.ts
• lib/artists/getArtistHandler.ts
• lib/artists/validateGetArtistRequest.ts
• lib/supabase/accounts/selectAccountWithArtistDetails.ts

💤 Files with no reviewable changes (5)

• app/api/artists/[id]/route.ts
• lib/supabase/accounts/selectAccountWithArtistDetails.ts
• lib/artists/getArtistHandler.ts
• lib/artists/validateGetArtistRequest.ts
• lib/artists/getArtistById.ts

---

📝 Walkthrough

Walkthrough

This pull request removes the entire GET /api/artists/{id} endpoint and its supporting infrastructure, including route handlers, request validation, artist data fetching functions, and database query operations. No replacement functionality is provided.

Changes

Cohort / File(s)	Summary
Route Handler app/api/artists/[id]/route.ts	Removed OPTIONS preflight and GET request handlers for the single artist endpoint.
Request Handling & Validation lib/artists/getArtistHandler.ts, lib/artists/validateGetArtistRequest.ts	Removed request handler that delegated to validation and data fetching, along with validation logic for artist access control and authentication.
Data Fetching lib/artists/getArtistById.ts, lib/supabase/accounts/selectAccountWithArtistDetails.ts	Removed artist data retrieval function and its underlying Supabase query that fetched account details with artist information including socials and metadata.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• feat: add artist detail read endpoint #416 — Adds the exact same files and functions being removed in this PR, representing the inverse operation of this change.

Suggested reviewers

• sweetmantech

Poem

🗑️ The artist's door has closed today,
Five files now fade away,
A clean removal, swift and neat,
Where once the endpoints beat. 🎨

🚥 Pre-merge checks | ✅ 1

✅ Passed checks (1 passed)

Check name	Status	Explanation
Solid & Clean Code	✅ Passed	Revert pull request demonstrates excellent SOLID and Clean Code adherence with complete removal of five files and zero orphaned references.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ 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 codex/revert-artist-read-api

---

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