UI②:数据对象全用中文名 —— label 随物化落 PG 注释,全链读回

此前 label 在建表那一步就丢了,治理台只剩 project__intake_record 这种键给人看。
用表/列注释而非另建元数据表:名字与表同生共死,不会对不上。
设计台/运营台/对象详情/触发器下拉一律中文名在前、键在后。

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KeDBx2PHLavbURXB8LJJ7m

packages/contracts/src/api/governance.ts

@@ -361,7 +361,10 @@ export const listToolsRoute = {
 export const listLedgerObjectsRoute = {
   method: 'GET',
   path: '/api/gov/data/objects',
-  output: z.object({ objects: z.array(z.object({ domain: z.string(), object: z.string() })) }),
+  /** `label` 是人读名(落在表注释上);缺省即没登记,呈现退回对象键 */
+  output: z.object({
+    objects: z.array(z.object({ domain: z.string(), object: z.string(), label: z.string().optional() })),
+  }),
 } as const satisfies RouteContract;
 
 export const browseLedgerRoute = {
@@ -369,7 +372,8 @@ export const browseLedgerRoute = {
   path: '/api/gov/data/:domain/:object',
   params: z.object({ domain: z.string(), object: z.string() }),
   output: z.object({
-    columns: z.array(z.object({ name: z.string(), type: z.string() })),
+    label: z.string().optional(),
+    columns: z.array(z.object({ name: z.string(), type: z.string(), label: z.string().optional() })),
     primaryKey: z.array(z.string()),
     rows: z.array(z.record(z.string(), z.unknown())),
     total: z.number().int(),