feat: refactor node spec and add mcp tools (#244)

* refactor: carve out extraction panel

* refactor: create spec versions for node types

* refactor: create a GenericNode and remove custom nodes

* feat: add python and typescript sdk

* add dograh sdk

* fix: fetch draft workflow definition over published one

* fix: fix routes of SDKs to use code gen

* chore: remove doclink dependency to reduce image size

* chore: format files

* chore: bump pipecat

* feat: let mcp fetch archived workflows on demand

* chore: fix tests

* feat: add sdk documentation

* chore: change banner and add badge

api/routes/knowledge_base.py

@@ -17,6 +17,7 @@ from api.schemas.knowledge_base import (
     DocumentUploadResponseSchema,
     ProcessDocumentRequestSchema,
 )
+from api.sdk_expose import sdk_expose
 from api.services.auth.depends import get_user
 from api.services.posthog_client import capture_event
 from api.services.storage import storage_fs
@@ -135,6 +136,7 @@ async def process_document(
             document.id,
             request.s3_key,
             user.selected_organization_id,
+            str(user.provider_id),
             128,  # max_tokens (default)
             request.retrieval_mode,
         )
@@ -190,6 +192,10 @@ async def process_document(
     "/documents",
     response_model=DocumentListResponseSchema,
     summary="List documents",
+    **sdk_expose(
+        method="list_documents",
+        description="List knowledge base documents available to the authenticated organization.",
+    ),
 )
 async def list_documents(
     status: Annotated[