Nomad changes

docs/snippets/swift/plugins/plugin_logging.md

@@ -0,0 +1,56 @@
+```swift title="Swift"
+import Kreuzberg
+import os.log
+
+let logger = Logger(subsystem: "com.example.plugins", category: "MyPlugin")
+
+final class MyPlugin: PostProcessor {
+    func name() -> String {
+        "my-plugin"
+    }
+
+    func version() -> String {
+        "1.0.0"
+    }
+
+    func initialize() -> String {
+        logger.info("Initializing plugin: my-plugin")
+        return "{\"ok\": null}"
+    }
+
+    func shutdown() -> String {
+        logger.info("Shutting down plugin: my-plugin")
+        return "{\"ok\": null}"
+    }
+
+    func process(result: ExtractionResult, config: ExtractionConfig) -> String {
+        let contentLen = result.content().count
+        logger.info("Processing \(result.mimeType()) (\(contentLen) bytes)")
+
+        if contentLen == 0 {
+            logger.warning("Processing resulted in empty content")
+        }
+
+        return "{\"ok\": null}"
+    }
+
+    func shouldProcess(result: ExtractionResult, config: ExtractionConfig) -> Bool {
+        true
+    }
+
+    func processingStage() -> String {
+        "early"
+    }
+
+    func priority() -> Int32 {
+        50
+    }
+
+    func estimatedDurationMs(result: ExtractionResult) -> UInt64 {
+        10
+    }
+}
+
+let plugin = MyPlugin()
+try Kreuzberg.registerPostProcessor(plugin)
+```