Nomad changes

docs/snippets/r/llm/structured_extraction.md

@@ -0,0 +1,29 @@
+<!-- snippet:syntax-only --> Requires network access to the configured LLM provider and a valid API key in the host environment.
+
+```r title="R"
+library(kreuzberg)
+
+schema <- list(
+  type = "object",
+  properties = list(
+    title = list(type = "string"),
+    authors = list(type = "array", items = list(type = "string")),
+    date = list(type = "string")
+  ),
+  required = c("title", "authors", "date"),
+  additionalProperties = FALSE
+)
+
+config <- list(
+  structured_extraction = list(
+    schema = schema,
+    llm = list(model = "openai/gpt-4o-mini"),
+    strict = TRUE
+  )
+)
+
+json <- extract_file_sync("paper.pdf", "application/pdf", config)
+result <- jsonlite::fromJSON(json, simplifyVector = FALSE)
+
+cat(result$structured_output, "\n")
+```