{"id":"pubsub-attribute-key-no-goog-prefix","text":"Pub/Sub message attribute keys must not start with `goog` (reserved prefix).","truth_value":"IN","source":"entries/2026/03/10/pubsub-publisher.md","source_url":"","source_hash":"a526c8035db6642f","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"pubsub-attribute-key-no-goog-prefix","truth_value":"IN","reason":"premise"}]}}