fix(sync): append speech at cursor with trailing space, relax Starlink ping timeout, and avoid private IP loop on Starlink

android/app/src/main/java/com/soniox/remotemic/MainActivity.kt

@@ -89,7 +89,7 @@ class MainActivity : AppCompatActivity() {
         setupUI()
         checkPermissions()
         
-        AppLogger.log("Main", "اپلیکیشن همگام‌سازی صوتی سانی‌اوکس راه‌اندازی شد (نسخه بهینه‌شده فوق‌سریع v5.6)")
+        AppLogger.log("Main", "اپلیکیشن همگام‌سازی صوتی سانی‌اوکس راه‌اندازی شد (نسخه بهینه‌شده فوق‌سریع v5.7)")
         
         // Initialize Collaborative WebSocket Client
         streamDictationClient = StreamDictationClient(
@@ -237,7 +237,7 @@ class MainActivity : AppCompatActivity() {
         val formattedSpeech = buildString {
             if (needsPreSpace) append(" ")
             append(trimmedSpeech)
-            if (needsPostSpace) append(" ")
+            append(" ") // ALWAYS guarantee a trailing space after inserted speech
         }
         
         val mergedText = "$prefix$formattedSpeech$suffix"
@@ -256,8 +256,8 @@ class MainActivity : AppCompatActivity() {
         
         AppLogger.log("Main", "تزریق گفتار در نشانگر: '$trimmedSpeech' (موقعیت جدید: $newCursor)")
         
-        // Broadcast full mirrored text to Mac
-        streamDictationClient?.sendPhoneEdit(mergedText, newCursor)
+        // Send speech directly to Mac cursor (Cmd+V append, NO Cmd+A clobber!)
+        streamDictationClient?.sendSpeechInsert(formattedSpeech, newCursor)
     }
 
     private fun setupUI() {

android/app/src/main/java/com/soniox/remotemic/StreamDictationClient.kt

@@ -44,17 +44,14 @@ class StreamDictationClient(
     private val isRecording = AtomicBoolean(false)
     private val mainHandler = Handler(Looper.getMainLooper())
 
-    private val candidateHosts: List<String> = listOf(
-        host,
-        if (host.contains("116.16.16.19")) "2.180.16.250:8999" else "116.16.16.19:8999"
-    ).filter { it.isNotBlank() }.distinct()
+    private val candidateHosts: List<String> = listOf(host).filter { it.isNotBlank() }.distinct()
     private var currentHostIndex = 0
 
     private val okHttpClient = OkHttpClient.Builder()
-        .connectTimeout(3500, TimeUnit.MILLISECONDS)
+        .connectTimeout(5000, TimeUnit.MILLISECONDS)
         .readTimeout(0, TimeUnit.MILLISECONDS) // Persistent WebSocket
         .writeTimeout(5000, TimeUnit.MILLISECONDS)
-        .pingInterval(4, TimeUnit.SECONDS) // 4s active heartbeat to keep NAT tables alive
+        .pingInterval(15, TimeUnit.SECONDS) // Relaxed 15s ping interval (prevents premature drops over Starlink/satellite jitter)
         .retryOnConnectionFailure(true)
         .build()
 
@@ -163,6 +160,24 @@ class StreamDictationClient(
         })
     }
 
+    /**
+     * Sends speech chunk directly for pure cursor append on Mac (Cmd+V, NO Cmd+A)
+     */
+    fun sendSpeechInsert(speechText: String, cursor: Int) {
+        if (!isConnected.get() || activeWebSocket == null) {
+            connectWebSocket()
+        }
+        val payload = JSONObject().apply {
+            put("type", "insert_speech")
+            put("action", "insert_speech")
+            put("source", "android")
+            put("text", speechText)
+            put("cursor", cursor)
+            put("timestamp", System.currentTimeMillis() / 1000.0)
+        }.toString()
+        activeWebSocket?.send(payload)
+    }
+
     /**
      * Broadcasts phone's live text to Mac for immediate real-time mirroring
      */

mac/src/FocusedInputSync.swift

@@ -255,9 +255,11 @@ public final class FocusedInputSync {
             }
         }
         
-        // Normalize line endings and preserve intentional multiline text (\n)
+        // Normalize line endings and preserve intentional multiline text (\n) and trailing space for speech appends
         var cleanText = text.replacingOccurrences(of: "\r\n", with: "\n").replacingOccurrences(of: "\r", with: "\n")
-        cleanText = cleanText.trimmingCharacters(in: .whitespacesAndNewlines)
+        if isFullReplace {
+            cleanText = cleanText.trimmingCharacters(in: .whitespacesAndNewlines)
+        }
         
         let targetCursor = cursor ?? cleanText.count
         lastObservedText = cleanText

server/relay_server.py

@@ -105,9 +105,10 @@ class SonioxPool:
 
 soniox_pool = SonioxPool()
 
-def sanitize_text(text: str, allow_multiline: bool = True) -> str:
+def sanitize_text(text: str, allow_multiline: bool = True, preserve_trailing_space: bool = False) -> str:
     if not text:
         return ""
+    has_trailing_space = text.endswith(" ")
     if allow_multiline:
         normalized = text.replace("\r\n", "\n").replace("\r", "\n")
         lines = [re.sub(r"[ \t]+", " ", line) for line in normalized.split("\n")]
@@ -120,6 +121,9 @@ def sanitize_text(text: str, allow_multiline: bool = True) -> str:
     if re.fullmatch(r"[\s«»\.\,\،\؛\؟\!\?\:\;\-\–—\"\'\(\)\[\]\{\}]+", cleaned):
         return ""
     
+    if (preserve_trailing_space or has_trailing_space) and not cleaned.endswith(" "):
+        cleaned += " "
+        
     return cleaned
 
 def sanitize_and_flatten_text(text: str) -> str:
@@ -258,7 +262,7 @@ async def handle_phone_stream_ws(request):
                 # ALL text / sync / insert operations must be broadcast to Mac!
                 if msg_type in ("sync_state", "insert_speech", "speech_insert", "phone_input_edit", "update_input", "paste"):
                     is_speech = msg_type in ("insert_speech", "speech_insert")
-                    clean_text = sanitize_text(data.get("text", ""), allow_multiline=(not is_speech))
+                    clean_text = sanitize_text(data.get("text", ""), allow_multiline=(not is_speech), preserve_trailing_space=is_speech)
                     if not clean_text and is_speech:
                         continue  # Do not broadcast empty speech or lone quotes
                     data["text"] = clean_text