chore(spec): cut orphaned object.recordTypes and object.cdc stubs

Both were spec-only properties with elaborate docstrings and zero
consumers in either repo (framework runtime + objectui authoring/
rendering), classified `dead` in the liveness ledger:

- `recordTypes`: a Salesforce-specific concept. The platform models
  record variants via a discriminator field + conditional layouts
  (visibleWhen / form variants), so this stub is redundant.
- `cdc` / `CDCConfigSchema`: aspirational enterprise change-data-
  capture. Low-code change propagation is served by webhooks +
  triggers; no streaming runtime exists.

Removes false surface from the metadata contract. Gate stays green
(object 56 classified), spec tests 6562 passed.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: os-zhuang

.changeset/cut-recordtypes-cdc.md

@@ -0,0 +1,4 @@
+---
+---
+
+chore(spec): remove the orphaned `object.recordTypes` and `object.cdc` properties from `ObjectSchema`. Both were spec-only stubs with elaborate docstrings and zero consumers in either repo (framework runtime + objectui authoring/rendering): `recordTypes` (Salesforce-specific concept — the platform models record variants via a discriminator field + conditional layouts / form variants) and `cdc` / `CDCConfigSchema` (aspirational enterprise change-data-capture — low-code change propagation is served by webhooks + triggers). Removes false surface from the metadata contract; both were classified `dead` in the liveness ledger. No package version impact.

packages/spec/liveness/object.json

@@ -181,10 +181,6 @@
       "status": "dead",
       "evidence": "aspirational; no runtime"
     },
-    "cdc": {
-      "status": "dead",
-      "evidence": "aspirational; no runtime"
-    },
     "softDelete": {
       "status": "dead",
       "evidence": "no runtime; duplicates the (also dead) enable.trash"
@@ -193,10 +189,6 @@
       "status": "dead",
       "evidence": "SearchConfigSchema — no runtime; duplicates enable.searchable"
     },
-    "recordTypes": {
-      "status": "dead",
-      "evidence": "elaborate docstring, unimplemented"
-    },
     "defaultDetailForm": {
       "status": "dead",
       "evidence": "documented fallback chain unimplemented"

packages/spec/src/data/object.zod.ts

@@ -198,23 +198,6 @@ export const PartitioningConfigSchema = lazySchema(() => z.object({
   message: 'interval is required when strategy is "range"',
 }));
 
-/**
- * Change Data Capture (CDC) Configuration Schema
- * Enables real-time data streaming to external systems
- * 
- * @example Stream all changes to Kafka
- * {
- *   enabled: true,
- *   events: ['insert', 'update', 'delete'],
- *   destination: 'kafka://events.objectstack'
- * }
- */
-export const CDCConfigSchema = lazySchema(() => z.object({
-  enabled: z.boolean().describe('Enable Change Data Capture'),
-  events: z.array(z.enum(['insert', 'update', 'delete'])).describe('Event types to capture'),
-  destination: z.string().describe('Destination endpoint (e.g., "kafka://topic", "webhook://url")'),
-}));
-
 /**
  * Object Field Group Schema — MVP (data-layer protocol)
  * 
@@ -514,9 +497,6 @@ const ObjectSchemaBase = z.object({
   // Partitioning strategy
   partitioning: PartitioningConfigSchema.optional().describe('Table partitioning configuration for performance'),
 
-  // Change Data Capture
-  cdc: CDCConfigSchema.optional().describe('Change Data Capture (CDC) configuration for real-time data streaming'),
-  
   /**
    * Logic & Validation (Co-located)
    * Best Practice: Define rules close to data.
@@ -607,9 +587,6 @@ const ObjectSchemaBase = z.object({
    */
   enable: ObjectCapabilities.optional().describe('Enabled system features modules'),
 
-  /** Record Types */
-  recordTypes: z.array(z.string()).optional().describe('Record type names for this object'),
-
   /** Sharing Model */
   sharingModel: z.enum(['private', 'read', 'read_write', 'full']).optional().describe('Default sharing model'),
 
@@ -882,7 +859,6 @@ export type TenancyConfig = z.infer<typeof TenancyConfigSchema>;
 export type SoftDeleteConfig = z.infer<typeof SoftDeleteConfigSchema>;
 export type VersioningConfig = z.infer<typeof VersioningConfigSchema>;
 export type PartitioningConfig = z.infer<typeof PartitioningConfigSchema>;
-export type CDCConfig = z.infer<typeof CDCConfigSchema>;
 
 /**
  * Resolved CRUD affordance matrix for an object — what generic