toki 2b35251b6d fix(G06): restore HTTP payload contract validation in webhook receiver ... - Add validateBranchUpdatedPayload() to check body type and changed_files - Extend gitoWebhookPayload struct with Type and ChangedFiles fields - Add tests for wrong body type and malformed changed_files rejection - All tests pass: ./internal/http, ./internal/config, ./cmd/server, ./...		2026-06-19 11:37:00 +09:00
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core	fix(G06): restore HTTP payload contract validation in webhook receiver	2026-06-19 11:37:00 +09:00