Nomad changes

docs/snippets/swift/utils/vector_database_integration.md

@@ -0,0 +1,51 @@
+```swift title="Swift"
+import Foundation
+import Kreuzberg
+import RustBridge
+
+struct VectorRecord {
+    let id: String
+    let content: String
+    let embedding: [Float]
+    let metadata: [String: String]
+}
+
+func extractAndVectorize(documentPath: String, documentId: String) throws -> [VectorRecord] {
+    let configJson = """
+    {
+        "chunking": {
+            "max_characters": 512,
+            "overlap": 50,
+            "embedding": {
+                "model": {"preset": {"name": "balanced"}},
+                "normalize": true,
+                "batch_size": 32
+            }
+        }
+    }
+    """
+
+    let config = try extractionConfigFromJson(configJson)
+    let result = try extractFileSync(documentPath, nil, config)
+
+    var records: [VectorRecord] = []
+    if let chunks = result.chunks() {
+        for (index, chunk) in chunks.enumerated() {
+            guard let embedding = chunk.embedding() else { continue }
+            let content = chunk.content().toString()
+            let metadata: [String: String] = [
+                "document_id": documentId,
+                "chunk_index": String(index),
+                "content_length": String(content.count),
+            ]
+            records.append(VectorRecord(
+                id: "\(documentId)_chunk_\(index)",
+                content: content,
+                embedding: embedding.map { $0 },
+                metadata: metadata
+            ))
+        }
+    }
+    return records
+}
+```