fix: add content_extractor to smart-create endpoint

The POST /wiki/pages/smart-create endpoint was failing with 500
Internal Server Error because HybridRAGService.__init__() was
missing the required content_extractor parameter.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/routers/wiki.py

@@ -24,7 +24,7 @@ from src.clients.neo4j_client import Neo4jClient
 from src.clients.qdrant_client import QdrantClientWrapper
 from src.clients.ollama_client import OllamaClient
 from src.core.dependencies import (
-    WikiJSDep, Neo4jDep, QdrantDep, OllamaDep, SearXNGDep,
+    WikiJSDep, Neo4jDep, QdrantDep, OllamaDep, SearXNGDep, ContentExtractorDep,
     verify_api_key, get_settings, get_hybrid_rag_service, get_ingestion_service
 )
 from src.core.multi_tenancy import DEFAULT_USER
@@ -180,6 +180,7 @@ async def smart_create_page(
     qdrant_client: QdrantDep,
     ollama_client: OllamaDep,
     searxng_client: SearXNGDep,
+    content_extractor: ContentExtractorDep,
     settings: Settings = Depends(get_settings),
     api_key: str = Depends(verify_api_key)
 ):
@@ -225,6 +226,7 @@ async def smart_create_page(
             graph_service=graph_service,
             searxng_client=searxng_client,
             ollama_client=ollama_client,
+            content_extractor=content_extractor,
             settings=settings
         )
         wiki_page_writer = WikiPageWriter(ollama_client=ollama_client)