chore(spec): 在合并树上整体重生成生成物(os-regen 第四步)

manifest 相对 origin/main 的删除恰为本 sweep 的 23 个 def,零新增;
#6474 的 ValidateData 等同期条目在重生成后完整存活。

Author: claude

content/docs/references/api/protocol.mdx

@@ -10,7 +10,6 @@ This section contains all protocol schemas for the automation layer of ObjectSta
   <Card href="/docs/references/automation/bpmn-interop" title="Bpmn Interop" description="Source: packages/spec/src/automation/bpmn-interop.zod.ts" />
   <Card href="/docs/references/automation/builtin-node-config" title="Builtin Node Config" description="Source: packages/spec/src/automation/builtin-node-config.zod.ts" />
   <Card href="/docs/references/automation/control-flow" title="Control Flow" description="Source: packages/spec/src/automation/control-flow.zod.ts" />
-  <Card href="/docs/references/automation/etl" title="Etl" description="Source: packages/spec/src/automation/etl.zod.ts" />
   <Card href="/docs/references/automation/execution" title="Execution" description="Source: packages/spec/src/automation/execution.zod.ts" />
   <Card href="/docs/references/automation/flow" title="Flow" description="Source: packages/spec/src/automation/flow.zod.ts" />
   <Card href="/docs/references/automation/flow-function" title="Flow Function" description="Source: packages/spec/src/automation/flow-function.zod.ts" />

content/docs/references/automation/etl.mdx

@@ -10,7 +10,6 @@
     "time-relative-trigger",
     "---Integration & Data---",
     "bpmn-interop",
-    "etl",
     "webhook",
     "---Approvals & Jobs---",
     "approval",