Move matrixmedia sources to the libraries.matrixmedia.* packages

The matrixmedia modules were using the `libraries.matrix.ui.media` package
(shared with the matrixui module) and `libraries.matrix.ui.media.*`
namespaces. Use `libraries.matrixmedia.api`, `libraries.matrixmedia.impl`
and `libraries.matrixmedia.test` instead, matching the module paths.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

libraries/matrixmedia/impl/build.gradle.kts

@@ -13,7 +13,7 @@ plugins {
 }
 
 android {
-    namespace = "io.element.android.libraries.matrix.ui.media.impl"
+    namespace = "io.element.android.libraries.matrixmedia.impl"
 }
 
 setupDependencyInjection()

libraries/matrixmedia/impl/src/main/kotlin/io/element/android/libraries/matrixmedia/impl/AvatarDataExt.kt

@@ -5,10 +5,12 @@
  * Please see LICENSE files in the repository root for full details.
  */
 
-package io.element.android.libraries.matrix.ui.media
+package io.element.android.libraries.matrixmedia.impl
 
 import io.element.android.libraries.designsystem.components.avatar.AvatarData
 import io.element.android.libraries.matrix.api.media.MediaSource
+import io.element.android.libraries.matrixmedia.api.AVATAR_THUMBNAIL_SIZE_IN_PIXEL
+import io.element.android.libraries.matrixmedia.api.MediaRequestData
 
 internal fun AvatarData.toMediaRequestData(): MediaRequestData {
     return MediaRequestData(

libraries/matrixmedia/impl/src/main/kotlin/io/element/android/libraries/matrixmedia/impl/AvatarDataFetcherFactory.kt

@@ -6,7 +6,7 @@
  * Please see LICENSE files in the repository root for full details.
  */
 
-package io.element.android.libraries.matrix.ui.media
+package io.element.android.libraries.matrixmedia.impl
 
 import coil3.ImageLoader
 import coil3.fetch.Fetcher

libraries/matrixmedia/impl/src/main/kotlin/io/element/android/libraries/matrixmedia/impl/CoilMediaFetcher.kt

@@ -6,7 +6,7 @@
  * Please see LICENSE files in the repository root for full details.
  */
 
-package io.element.android.libraries.matrix.ui.media
+package io.element.android.libraries.matrixmedia.impl
 
 import coil3.decode.DataSource
 import coil3.decode.ImageSource
@@ -17,6 +17,7 @@ import io.element.android.libraries.matrix.api.exception.isNetworkError
 import io.element.android.libraries.matrix.api.media.MatrixMediaLoader
 import io.element.android.libraries.matrix.api.media.MediaSource
 import io.element.android.libraries.matrix.api.media.toFile
+import io.element.android.libraries.matrixmedia.api.MediaRequestData
 import okio.Buffer
 import okio.FileSystem
 import okio.Path.Companion.toOkioPath

libraries/matrixmedia/impl/src/main/kotlin/io/element/android/libraries/matrixmedia/impl/DefaultImageLoaderHolder.kt

@@ -6,7 +6,7 @@
  * Please see LICENSE files in the repository root for full details.
  */
 
-package io.element.android.libraries.matrix.ui.media
+package io.element.android.libraries.matrixmedia.impl
 
 import coil3.ImageLoader
 import dev.zacsweers.metro.AppScope
@@ -14,6 +14,7 @@ import dev.zacsweers.metro.ContributesBinding
 import dev.zacsweers.metro.SingleIn
 import io.element.android.libraries.matrix.api.MatrixClient
 import io.element.android.libraries.matrix.api.core.SessionId
+import io.element.android.libraries.matrixmedia.api.ImageLoaderHolder
 import io.element.android.libraries.sessionstorage.api.observer.SessionListener
 import io.element.android.libraries.sessionstorage.api.observer.SessionObserver
 

libraries/matrixmedia/impl/src/main/kotlin/io/element/android/libraries/matrixmedia/impl/DefaultInitialsAvatarBitmapGenerator.kt

@@ -6,7 +6,7 @@
  * Please see LICENSE files in the repository root for full details.
  */
 
-package io.element.android.libraries.matrix.ui.media
+package io.element.android.libraries.matrixmedia.impl
 
 import android.graphics.Canvas
 import android.graphics.Paint
@@ -36,6 +36,7 @@ import io.element.android.libraries.designsystem.components.avatar.AvatarSize
 import io.element.android.libraries.designsystem.preview.ElementPreview
 import io.element.android.libraries.designsystem.preview.PreviewsDayNight
 import io.element.android.libraries.designsystem.theme.components.Text
+import io.element.android.libraries.matrixmedia.api.InitialsAvatarBitmapGenerator
 
 @ContributesBinding(AppScope::class)
 class DefaultInitialsAvatarBitmapGenerator : InitialsAvatarBitmapGenerator {

libraries/matrixmedia/impl/src/main/kotlin/io/element/android/libraries/matrixmedia/impl/ImageLoaderFactories.kt

@@ -6,7 +6,7 @@
  * Please see LICENSE files in the repository root for full details.
  */
 
-package io.element.android.libraries.matrix.ui.media
+package io.element.android.libraries.matrixmedia.impl
 
 import android.content.Context
 import android.os.Build

libraries/matrixmedia/impl/src/main/kotlin/io/element/android/libraries/matrixmedia/impl/MediaRequestDataFetcherFactory.kt

@@ -6,12 +6,13 @@
  * Please see LICENSE files in the repository root for full details.
  */
 
-package io.element.android.libraries.matrix.ui.media
+package io.element.android.libraries.matrixmedia.impl
 
 import coil3.ImageLoader
 import coil3.fetch.Fetcher
 import coil3.request.Options
 import io.element.android.libraries.matrix.api.media.MatrixMediaLoader
+import io.element.android.libraries.matrixmedia.api.MediaRequestData
 
 internal class MediaRequestDataFetcherFactory(
     private val matrixMediaLoader: MatrixMediaLoader,

libraries/matrixmedia/impl/src/main/kotlin/io/element/android/libraries/matrixmedia/impl/MediaRequestDataKeyer.kt

@@ -6,11 +6,12 @@
  * Please see LICENSE files in the repository root for full details.
  */
 
-package io.element.android.libraries.matrix.ui.media
+package io.element.android.libraries.matrixmedia.impl
 
 import coil3.key.Keyer
 import coil3.request.Options
 import io.element.android.libraries.designsystem.components.avatar.AvatarData
+import io.element.android.libraries.matrixmedia.api.MediaRequestData
 
 internal class AvatarDataKeyer : Keyer<AvatarData> {
     override fun key(data: AvatarData, options: Options): String? {

libraries/matrixmedia/impl/src/test/kotlin/io/element/android/libraries/matrixmedia/impl/AvatarDataFetcherFactoryTest.kt

@@ -5,7 +5,7 @@
  * Please see LICENSE files in the repository root for full details.
  */
 
-package io.element.android.libraries.matrix.ui.media
+package io.element.android.libraries.matrixmedia.impl
 
 import android.graphics.Bitmap
 import coil3.ComponentRegistry

libraries/matrixmedia/impl/src/test/kotlin/io/element/android/libraries/matrixmedia/impl/DefaultImageLoaderHolderTest.kt

@@ -6,7 +6,7 @@
  * Please see LICENSE files in the repository root for full details.
  */
 
-package io.element.android.libraries.matrix.ui.media
+package io.element.android.libraries.matrixmedia.impl
 
 import androidx.test.platform.app.InstrumentationRegistry
 import coil3.ImageLoader

libraries/matrixmedia/impl/src/test/kotlin/io/element/android/libraries/matrixmedia/impl/FakeImageLoaderFactory.kt

@@ -5,7 +5,7 @@
  * Please see LICENSE files in the repository root for full details.
  */
 
-package io.element.android.libraries.matrix.ui.media
+package io.element.android.libraries.matrixmedia.impl
 
 import coil3.ImageLoader
 import io.element.android.libraries.matrix.api.media.MatrixMediaLoader