Fix video fixture ownership and identify playback resource diagnostics

tools/chatgui-android/app/src/main/java/com/utun/chat/data/VideoFileMetadata.kt

@@ -41,6 +41,7 @@ internal class VideoFileMetadata : AutoCloseable {
         try {
             current.release(); retriever = null
             main.removeCallbacks(retry); scheduled = false; retained.remove(this)
+            LogManager.addLog("DEBUG", "VideoPlayer", "Metadata reader released owner=${System.identityHashCode(this)}")
         } catch (e: Exception) {
             retained.add(this)
             LogManager.addLog("ERROR", "VideoPlayer", "Metadata release failed; owner retained: $e")

tools/chatgui-android/app/src/main/java/com/utun/chat/data/VideoFilePlayer.kt

@@ -20,6 +20,7 @@ internal data class VideoFilePlayback(val prepared: Boolean = false, val playing
 internal class VideoFilePlayer(onCompleted: () -> Unit) : AutoCloseable {
     companion object { private val retained = ConcurrentHashMap.newKeySet<VideoFilePlayer>() }
     private val main = Handler(Looper.getMainLooper())
+    private val id = System.identityHashCode(this)
     private val mutable = MutableStateFlow(VideoFilePlayback())
     val state: StateFlow<VideoFilePlayback> = mutable
     private var completion: (() -> Unit)? = onCompleted
@@ -45,7 +46,7 @@ internal class VideoFilePlayer(onCompleted: () -> Unit) : AutoCloseable {
                 if (!retiring && player === current) try {
                     current.setVideoScalingMode(MediaPlayer.VIDEO_SCALING_MODE_SCALE_TO_FIT)
                     mutable.value = mutable.value.copy(prepared = true, durationMs = current.duration.coerceAtLeast(0))
-                    LogManager.addLog("INFO", "VideoPlayer", "Prepared ${current.videoWidth}x${current.videoHeight} durationMs=${current.duration}")
+                    LogManager.addLog("INFO", "VideoPlayer", "Prepared owner=$id ${current.videoWidth}x${current.videoHeight} durationMs=${current.duration}")
                     if (wantsPlay && bound != null) play()
                 } catch (e: Exception) { fail("prepare callback", e) }
             }
@@ -70,6 +71,7 @@ internal class VideoFilePlayer(onCompleted: () -> Unit) : AutoCloseable {
         if (uiTargets.containsKey(texture)) return
         val target = try { StreamPreviewTarget(texture) } catch (e: Exception) { fail("create Surface", e); return }
         uiTargets[texture] = target
+        LogManager.addLog("DEBUG", "VideoPlayer", "Texture adopted owner=$id texture=${System.identityHashCode(texture)} disposed=$disposed")
         if (disposed) { target.release(); return }
         if (retiring) return // UI сохраняет собственную texture до destroy/close даже после ошибки player.
         bound = texture
@@ -135,7 +137,7 @@ internal class VideoFilePlayer(onCompleted: () -> Unit) : AutoCloseable {
     }
 
     private fun fail(stage: String, error: Exception, message: Int = R.string.video_playback_failed) {
-        LogManager.addLog("ERROR", "VideoPlayer", "Operation failed stage=$stage; resources retained through release: $error")
+        LogManager.addLog("ERROR", "VideoPlayer", "Operation failed stage=$stage owner=$id; resources retained through release: $error")
         retiring = true; wantsPlay = false; completion = null
         mutable.value = mutable.value.copy(playing = false, prepared = false, error = message)
         cleanup()
@@ -152,12 +154,12 @@ internal class VideoFilePlayer(onCompleted: () -> Unit) : AutoCloseable {
     private fun releasePlayerTargets() { playerTargets.forEach { it.release() }; playerTargets.clear() }
     private fun cleanup() {
         if (player != null) try { player!!.release(); player = null } catch (e: Exception) {
-            LogManager.addLog("ERROR", "VideoPlayer", "MediaPlayer release failed; owner retained: $e")
+            LogManager.addLog("ERROR", "VideoPlayer", "MediaPlayer release failed owner=$id; retained: $e")
         }
         if (player == null) {
             releasePlayerTargets()
             main.removeCallbacks(retry); scheduled = false; retained.remove(this)
-            LogManager.addLog("INFO", "VideoPlayer", "Player released disposed=$disposed")
+            LogManager.addLog("INFO", "VideoPlayer", "Player released owner=$id disposed=$disposed")
         } else {
             retained.add(this)
             if (!scheduled) {

tools/chatgui-android/video-tests/src/test/kotlin/com/utun/chat/data/VideoFilePlayerTest.kt

@@ -33,7 +33,7 @@ class VideoFilePlayerTest {
         assertTrue(MediaPlayer.created.isEmpty())
     }
     @Test fun surfaceBeforeStartIsAdoptedAndPlaybackWaitsForPrepared() {
-        val player = owner(); val texture = texture(); player.attach(texture()); assertTrue(MediaPlayer.created.isEmpty())
+        val player = owner(); val texture = texture(); player.attach(texture); assertTrue(MediaPlayer.created.isEmpty())
         player.start("file.mp4"); assertNotNull(sdk.surface); assertFalse(player.state.value.playing)
         sdk.preparedCallback!!(sdk)
         assertTrue(player.state.value.playing); assertEquals(10_000, player.state.value.durationMs); assertEquals(1, sdk.starts)
@@ -89,7 +89,7 @@ class VideoFilePlayerTest {
     }
     @Test fun partialSurfaceBindFailureKeepsUiOutputAndUsesPlayerReleaseBarrier() {
         val player = owner(); player.start("file.mp4"); sdk.failures = setOf("surface after", "release")
-        val texture = texture(); player.attach(texture()); player.close()
+        val texture = texture(); player.attach(texture); player.close()
         assertFalse(texture.released)
         sdk.failures = emptySet(); main.advanceBy(250)
         assertTrue(texture.released); diagnostic("stage=attach Surface")