annotate-schema-only-enums.md

@objectstack/spec	patch

Annotate the schema-only event/subscription/connector surfaces flagged by the #3197 audit with explicit "not yet enforced / not yet implemented" notes in their doc comments and .describe() texts, so authoring metadata against them is no longer silently swallowed. No runtime behavior or schema shape changes — documentation only.

Surfaces annotated (each trace re-confirmed against the current tree before annotating):

• GraphQLSubscriptionConfigSchema (api/graphql.zod.ts) — no subscription transport exists; the GraphQL HTTP entry serves query/mutation only.
• WebSocketMessageType + module header (api/websocket.zod.ts) — no WebSocket server is mounted (#2462); the protocol is a future wire contract.
• RealtimeEventType (api/realtime.zod.ts) — zero runtime importers; the engine emits data.record.* names (which don't match this enum's members) and nothing emits field.changed.
• Connector webhooks/WebhookConfigSchema/WebhookEventSchema and triggers/ConnectorTriggerSchema (integration/connector.zod.ts) — AutomationEngine.registerConnector reads only actions; webhook events and trigger definitions parse but are never dispatched or polled.
• Automation ConnectorTriggerSchema/TriggerRegistrySchema (automation/trigger-registry.zod.ts) — no runtime importer; the stream trigger mechanism exists only here.
• NotificationChannelSchema (system/notification.zod.ts) + the mirrored NotificationChannel contract type — implemented delivery channels are inbox/email/sms; push/slack/teams/webhook dead-letter, and the enum's in-app does not match the registered inbox channel id.

The audit's sixth row (SubscriptionEventType, formerly data/subscription.zod.ts) needed no annotation — it was already removed outright by the feed-contract retirement (#1959).