feat: Enhance Mycelium streamer with worker support

- Added worker ID to master and worker configurations for improved
  identification and management.
- Implemented worker registration and data synchronization mechanisms
  to enable distributed data access.
- Added a read function to retrieve data from specific workers,
  enhancing data access flexibility.
- Improved logging for better monitoring and debugging of the system.

examples/data/deduped_mycelium_master.vsh

@@ -11,6 +11,7 @@ mut streamer := ourdb.new_streamer(
 	incremental_mode: false
 	server_port:      9000 // Master uses default port
 	is_worker:        false
+	id:               'frBvtZQeqf'
 )!
 
 println('Starting master node...')

examples/data/deduped_mycelium_worker.vsh

@@ -2,6 +2,8 @@
 
 import freeflowuniverse.herolib.data.ourdb
 
+worker_public_key := '46a9f9cee1ce98ef7478f3dea759589bbf6da9156533e63fed9f233640ac072c'
+
 // Create a worker node with a unique database path
 mut streamer := ourdb.get_streamer(id: 'frBvtZQeqf') or {
 	ourdb.new_streamer(
@@ -11,6 +13,16 @@ mut streamer := ourdb.get_streamer(id: 'frBvtZQeqf') or {
 	)!
 }
 
-println('Starting worker node...')
+// Add worker to the tree
-println('Listening for updates from master...')
+streamer.add_worker(worker_public_key)!
-streamer.listen()! // This will keep running and listening for updates
+// This will keep running and listening for updates
+streamer.listen()!
+
+println('Listening for updates...')
+// Now we can read from the database
+data := streamer.read(
+	id:                1
+	worker_public_key: worker_public_key
+)!
+
+println('Worker data: ${data.bytestr()}')

lib/data/ourdb/mycelium_streamer.v

@@ -124,25 +124,29 @@ pub:
 
 // listen continuously checks for messages from master and applies updates
 pub fn (mut s MyceliumStreamer) listen() ! {
+	println('Listening for updates from master...')
 	spawn fn [mut s] () ! {
-		println('Starting to listen for messages...')
+		s.listen_()!
-		msg := s.mycelium_client.receive_msg(wait: true, peek: true, topic: 'db_sync')!
-
-		update_data := base64.decode(msg.payload)
-		println('Received update from worker: ${msg.src_pk}')
-		println('Received update with payload: ${update_data.str()}')
-		if mut worker := s.workers[msg.src_pk] {
-			println('Worker with public key ${msg.src_pk} found')
-			worker.sync_updates(update_data) or { return error('Failed to sync worker: ${err}') }
-		}
 	}()
+}
+
+fn (mut s MyceliumStreamer) listen_() ! {
+	println('Listening...')
+	msg := s.mycelium_client.receive_msg(wait: true, peek: true, topic: 'db_sync')!
+
+	update_data := base64.decode(msg.payload)
+	if mut worker := s.workers[msg.src_pk] {
+		worker.sync_updates(update_data) or { return error('Failed to sync worker: ${err}') }
+	}
+
 	time.sleep(time.second * 1)
-	return s.listen()
+	return s.listen_()
 }
 
 pub fn (mut s MyceliumStreamer) read(args MyceliumReadArgs) ![]u8 {
 	if args.worker_public_key.len > 0 {
 		if mut worker := s.workers[args.worker_public_key] {
+			println('Reading from worker: ${args.worker_public_key}')
 			return worker.get(args.id)!
 		}
 		return error('Worker with public key ${args.worker_public_key} not found')