docs(skills): drop the RLS-testing guidance — testing a Supabase project is not our surface

[wmadden-electric]

Decision

How users test their Supabase project is Supabase's concern, not Prisma Next's. The prisma-next-supabase skill had grown a full "Testing your RLS policies" workflow — a pgTAP tutorial with a worked SQL example — and the 0.15→0.16 upgrade recipes and extension README echoed the same supabase test db endorsement. None of that is our product surface, nothing in this repo executes any of it (documented-but-unexecuted guidance is exactly the defect class TML-3035 was about), and the endorsement traces back to a forwarded external-agent suggestion that was mislabeled as an operator decision during shaping — not to anyone deciding "our skills teach pgTAP."

What changed

• skills/prisma-next-supabase/SKILL.md — the "Workflow — Testing your RLS policies" section is deleted. The skill now covers only what is ours: policy authoring, migrations, role binding, JWT config, connections, and the one grant our admin-read feature needs. Also fixes a stale line from TML-3035: a first Supabase project works first-try — RLS migrations, verify, migrate, JWKS, grants #997: the example ships acceptance tests only (the hermetic suites moved into the extension package).
• Both 0.15→0.16 upgrade recipes — the bootstrapSupabaseShim removal entries keep their real remediation (delete the dead import; keep hermetic helpers package-internal) and drop the trailing "use supabase test db (pgTAP)" advice.
• packages/3-extensions/supabase/README.md — drops the closing "user-facing RLS testing is Supabase's own tooling" sentence.

Repo-wide sweep confirms zero remaining pgTAP / supabase test db mentions. Prose only — no code paths touched; pnpm lint:skills green.

🤖 Generated with Claude Code

Summary by CodeRabbit

• Documentation
  • Updated Supabase extension and upgrade guidance to remove references to Supabase CLI and pgTAP testing workflows.
  • Simplified instructions for removing deprecated Supabase test utilities during the 0.15-to-0.16 upgrade.
  • Removed the dedicated RLS testing workflow section and streamlined related reference descriptions.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yml

Review profile: CHILL

Plan: Pro

Run ID: aa939a00-10cc-4be7-b412-17acdc180f56

📥 Commits

Reviewing files that changed from the base of the PR and between 0df4f7a and cf2a100.

📒 Files selected for processing (4)

• packages/3-extensions/supabase/README.md
• skills/extension-author/prisma-next-extension-upgrade/upgrades/0.15-to-0.16/instructions.md
• skills/prisma-next-supabase/SKILL.md
• skills/upgrade/prisma-next-upgrade/upgrades/0.15-to-0.16/instructions.md

---

📝 Walkthrough

Walkthrough

Supabase documentation and 0.15→0.16 upgrade instructions remove Supabase CLI-based RLS testing guidance, including local-stack and pgTAP examples. The Supabase reference-files description is also revised.

Changes

Supabase testing documentation

Layer / File(s)	Summary
Align Supabase testing guidance packages/3-extensions/supabase/README.md, skills/.../instructions.md, skills/prisma-next-supabase/SKILL.md	Removes Supabase CLI and pgTAP testing references from Supabase responsibilities, workflows, and upgrade guidance, and updates the examples/supabase reference description.

Estimated code review effort: 1 (Trivial) | ~5 minutes

Possibly related PRs

• prisma/prisma-next#985: Adds real Supabase acceptance coverage related to the RLS testing workflow guidance.
• prisma/prisma-next#987: Updates overlapping prisma-next-supabase skill workflow content.
• prisma/prisma-next#990: Touches the same Supabase and 0.15→0.16 upgrade guidance.

Suggested reviewers: wmadden

🚥 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 matches the PR’s main doc change: removing Supabase RLS-testing guidance from Prisma Next docs.
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 chore-drop-supabase-testing-guidance

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[github-actions]

size-limit report 📦

Path	Size
postgres / no-emit	158.95 KB (0%)
postgres / emit	132.46 KB (0%)
mongo / no-emit	98.71 KB (0%)
mongo / emit	89.43 KB (0%)
cf-worker / no-emit	185.12 KB (0%)
cf-worker / emit	155.88 KB (0%)

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commit: cf2a100