chore(ci): purge staging from workflows + env examples

[onerandomdevv]

What

Removes the last stale staging references now that the ladder is dev → beta → main and staging is being deleted everywhere.

Changes

• ci.yml / prisma-migrate.yml — drop staging from branch triggers → [dev, beta, main]
• prisma-migrate.yml — remove the staging → 'staging' GitHub Environment mapping
• promotion-guard.yml — fix the illustrative fork-guard example ('staging <- dev' → 'beta <- dev'); the logic was already de-staged in chore(ci,docs): retire staging — dev→beta→main ladder + beta-first self-host plan #670
• apps/backend/.env.example, apps/web/.env.example — payment-key guidance: TEST keys now cover local/dev/beta (beta is a disposable rehearsal on sandbox payments); LIVE keys are production-only (previously mislabelled beta as LIVE)

Note

The only remaining staging mention is the intentional "Staging was dropped —" historical note in the guard header, which documents the decision.

🤖 Generated with Claude Code

Summary by CodeRabbit

• Chores

  • Updated deployment workflows to use the dev → beta → main promotion path.
  • Removed staging from automated pull request and migration triggers.
  • Updated environment selection for development, beta, and production deployments.

• Documentation

  • Clarified CORS configuration guidance.
  • Updated Paystack key instructions for local, development, beta, and production environments.

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Project	Deployment	Actions	Updated (UTC)
twizrr-admin	Ready	Preview, Comment	Jul 28, 2026 5:41pm
twizrr-app	Ready	Preview, Comment	Jul 28, 2026 5:41pm
twizrr-web	Ready	Preview, Comment	Jul 28, 2026 5:41pm

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ℹ️ Recent review info

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Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro Plus

Run ID: 68a6b2b9-bdff-4244-8a1b-81f99e378115

📥 Commits

Reviewing files that changed from the base of the PR and between d09777a and 3a5f868.

📒 Files selected for processing (5)

• .github/workflows/ci.yml
• .github/workflows/prisma-migrate.yml
• .github/workflows/promotion-guard.yml
• apps/backend/.env.example
• apps/web/.env.example

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📝 Walkthrough

Walkthrough

The PR removes staging from CI and Prisma migration triggers, maps non-production workflow refs to development, updates the promotion ladder comment to dev -> beta -> main, and revises backend and web environment guidance to reference beta.

Changes

Environment ladder update

Layer / File(s)	Summary
Workflow branch and environment routing .github/workflows/ci.yml, .github/workflows/prisma-migrate.yml, .github/workflows/promotion-guard.yml	CI and migration workflows no longer trigger for staging; migration environments map main to production, beta to beta, and other refs to development.
Environment configuration guidance apps/backend/.env.example, apps/web/.env.example	CORS and Paystack key comments now describe beta instead of staging.
Estimated code review effort: 1 (Trivial)	~5 minutes

Possibly related PRs

• coded-devs/twizrr#658: Updates promotion-guard ladder rules involving staging.
• coded-devs/twizrr#670: Updates promotion-guard ladder and trigger handling while retiring staging.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The description covers the change, but it misses most required template sections like type, area, testing, checklist, screenshots, and reviewer notes.	Add the missing template sections, especially type of change, affected area, test steps, pre-commit checklist, screenshots or N/A, and reviewer notes.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly summarizes the main change: removing staging references from CI workflows and env examples.
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/purge-staging-refs

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