Add organization billing webhooks bridge for Stripe events in new src/routes/billingWebhooks.ts

[1nonlypiece]

Add organization billing webhooks bridge for Stripe events in new src/routes/billingWebhooks.ts

Description

Enterprise tenants will eventually be billed externally and Stripe webhooks need a stable receiver that verifies the Stripe-Signature header, persists the event, and dispatches via the existing job queue. Add src/routes/billingWebhooks.ts mounted at POST /api/billing/webhooks with raw-body signature validation.

Requirements and context

• Must be secure, tested, and documented
• Should be efficient and easy to review
• Use a per-route express.raw body parser
• Persist events to a new billing_events table
• Use idempotency from src/services/idempotency.ts
• Add src/routes/billingWebhooks.test.ts
• Update docs/enterprise.md

Suggested execution

• Fork the repo and create a branch
• git checkout -b feat/stripe-webhooks
• Implement changes
  • Add route and migration
  • Add tests and docs
• Test and commit
  • Run npm run migrate:latest && npm test
  • Include test output and notes

Example commit message

feat: Stripe billing webhook receiver

Guidelines

• Minimum 95 percent test coverage
• Clear documentation
• Timeframe: 96 hours

[Chrisland58]

@Chrisland58 has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Can I work on this please

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Chrisland58 to this issue.

[drips-wave]

Congratulations, @Chrisland58! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

🧑‍💻 @Chrisland58: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

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