feat(notification): build subscription webhook system with event filtering - #1046
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Smartdevs17 merged 1 commit intoAug 31, 2026
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…ering - Implemented WebhookEventFilterEngine with topic wildcards, attribute comparisons, and logical rule combinations - Added exclusion patterns and payload field projection support - Added developer portal documentation for event filtering in developer-portal/docs/webhook-guide.md - Added comprehensive unit test suite in backend/services/notification/__tests__/webhookFilter.test.ts Closes Smartdevs17#955
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Summary
Builds a subscription webhook event filtering system supporting wildcard topic patterns, complex attribute rules, exclusion filters, and field projection, along with developer portal documentation and simulation capabilities.
Key Changes
1. Webhook Event Filter Engine (
backend/services/notification/)WebhookEventFilterEngineinbackend/services/notification/webhookFilterEngine.ts:subscription.*,payment.*,*.created,*).eq,neq,gt,gte,lt,lte,in,nin,contains,regex,exists) on nested payload paths (e.g.data.plan.price,data.currency,data.customer.tier).ANDandORcomposite rule evaluation.simulate()method to validate filters against sample payloads with execution telemetry for developer portal testing.backend/services/notification/webhooks.ts.2. Developer Portal Integration & Documentation (
developer-portal/)developer-portal/docs/webhook-guide.mdwith schema examples and operator definitions.3. Tests & Verification
backend/services/notification/__tests__/webhookFilter.test.tswith 13 unit tests verifying:Closes #955