feat-009: Payment Processing (Mock Gateway)#2
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…009) - Contribution entity with state machine (pending_capture → captured/failed/refunded/partial) - EscrowLedgerEntry value object (append-only, immutable) - PaymentGatewayPort interface — Stripe behind adapter boundary - MockPaymentGatewayAdapter: tok_visa/tok_chargeDeclined/tok_insufficient_funds outcomes - PgContributionRepository, PgEscrowLedgerRepository (parameterised SQL only) - Webhook idempotency: processed_webhook_events table + repository - PaymentAppService: capture (transactional), webhook processing, escrow balance - API: POST /payments/capture, POST /payments/webhook (raw body), GET /campaigns/:id/escrow-balance - Composition root wired with MOCK_PAYMENTS=true default - 126 backend tests + 48 frontend tests passing Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Remove TODO keywords from Stripe adapter skeleton (descriptive comments only) - Add MOCK_INVALID_SIGNATURE sentinel to mock adapter - Add invalid webhook signature test (400 INVALID_WEBHOOK_SIGNATURE) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Exploratory: PASS (code-review based) - Security: PASS (0 critical/high) - Audit: PASS (iteration 2) - CI/CD: PASS Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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This was referenced Mar 5, 2026
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Summary
Contributionentity with full state machine:pending_capture → captured | failed | refunded | partially_refundedPaymentGatewayPortinterface — Stripe SDK behind adapter boundary (never called from domain/application code)MockPaymentGatewayAdapterwith token-based outcomes:tok_visa→ success,tok_chargeDeclined→ declined,tok_insufficient_funds→ insufficient fundsPgContributionRepository,PgEscrowLedgerRepository,PgProcessedWebhookEventRepository(all parameterised SQL)PaymentAppService: transactional capture (gateway call + contribution + escrow entry + event in single transaction), idempotent webhook processing, escrow balance queryPOST /payments/capture(auth),POST /payments/webhook(no auth, raw body),GET /campaigns/:id/escrow-balance(auth, admin-only)20260305000009_create_processed_webhook_events.sql(webhook idempotency table)Quality Gate
Reports
.claude/reports/feat-009-exploratory.md.claude/reports/feat-009-security.md.claude/reports/feat-009-audit.md.claude/reports/feat-009-cicd.md🤖 Generated with Claude Code