feat: complete public wiki and embedded previews

offline-backend-20260512/backend/packages/harness/deerflow/config/llmwiki_config.py

@@ -58,7 +58,12 @@ class LocalWikiEmbeddingConfig(BaseModel):
     model: str = "bge-m3"
     base_url: str = ""
     api_key: str = Field(default="", repr=False)
-    dimensions: int | None = Field(default=1024, ge=1, le=65536)
+    dimensions: int | None = Field(
+        default=1024,
+        ge=1,
+        le=65536,
+        description="Expected response vector dimensions; not sent to the embedding endpoint.",
+    )
     batch_size: int = Field(default=32, ge=1, le=512)
     timeout_seconds: float = Field(default=30, gt=0, le=300)
     max_retries: int = Field(default=3, ge=0, le=10)