Open transcript file links in explorer

app/androidApp/src/main/kotlin/com/example/aiapp/AppRoot.kt

@@ -11,6 +11,7 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextButton
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.key
@@ -246,14 +247,19 @@ fun AppRoot(
                 // A Box so the explorer can be drawn *over* the session rather than instead of it.
                 // No imePadding here, for the reason above -- the explorer adds its own.
                 Box {
-                    SessionScreen(
-                        settings = current,
-                        summary = here.summary,
-                        onBack = goToMain,
-                        onFiles = { screen = here.copy(files = it) },
-                        share = share,
-                        onShareTaken = { share = null },
-                    )
+                    val fileLinkHandler = rememberFileLinkHandler { path ->
+                        screen = here.copy(files = here.summary.filesTarget(path))
+                    }
+                    CompositionLocalProvider(LocalFileLinkHandler provides fileLinkHandler) {
+                        SessionScreen(
+                            settings = current,
+                            summary = here.summary,
+                            onBack = goToMain,
+                            onFiles = { screen = here.copy(files = it) },
+                            share = share,
+                            onShareTaken = { share = null },
+                        )
+                    }
                     // Its own back handler is registered after this screen's, so it is the one the
                     // platform asks first, and it steps back inside itself before closing.
                     here.files?.let { target ->