docs(openapi): add Human in the Loop section to API reference sidebar

Add the generated human-in-the-loop group to the docs navigation
and create meta.json listing all HITL operation IDs so endpoints
render in the API reference.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

apps/docs/content/docs/en/api-reference/(generated)/human-in-the-loop/meta.json

@@ -0,0 +1,9 @@
+{
+  "pages": [
+    "listPausedExecutions",
+    "getPausedExecution",
+    "getPausedExecutionByResumePath",
+    "getPauseContext",
+    "resumeExecution"
+  ]
+}

apps/docs/content/docs/en/api-reference/meta.json

@@ -10,6 +10,7 @@
     "typescript",
     "---Endpoints---",
     "(generated)/workflows",
+    "(generated)/human-in-the-loop",
     "(generated)/logs",
     "(generated)/usage",
     "(generated)/audit-logs",