diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 03360dc..5475c85 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -19,8 +19,8 @@ android {
         applicationId = "solutions.tretter.githugandroid"
         minSdk = 26
         targetSdk = 35
-        versionCode = 95
-        versionName = "0.1.94"
+        versionCode = 96
+        versionName = "0.1.95"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
diff --git a/app/src/main/java/solutions/tretter/githugandroid/GitRuntime.kt b/app/src/main/java/solutions/tretter/githugandroid/GitRuntime.kt
index 741a454..e4ec455 100644
--- a/app/src/main/java/solutions/tretter/githugandroid/GitRuntime.kt
+++ b/app/src/main/java/solutions/tretter/githugandroid/GitRuntime.kt
@@ -43,10 +43,7 @@ class GitRepositoryRuntime(private val context: Context) {
                 runGit(nativeGit, sandbox, listOf("checkout", "-B", desired.headBranch))
             }
 
-            val stageTargets = desired.files.filter { it.staged || it.tracked }.map { it.name }
-            if (stageTargets.isNotEmpty()) {
-                runGit(nativeGit, sandbox, listOf("add") + stageTargets)
-            }
+            materializeNativeGitState(nativeGit, sandbox, desired)
         }
 
         return inspectSandbox(level)
@@ -146,17 +143,85 @@ class GitRepositoryRuntime(private val context: Context) {
                     currentRepo to emptyList()
                 }
             }
-            "echo" -> currentRepo to listOf(tokens.drop(1).joinToString(" "))
+            "echo" -> executeEcho(workingDir, currentRepo, tokens)
             else -> currentRepo to listOf("Command not supported in prototype runtime. Try a git command or helper command.")
         }
     }
 
+    private fun materializeNativeGitState(nativeGit: File, sandbox: File, desired: RepoState) {
+        desired.config.forEach { (key, value) ->
+            runGit(nativeGit, sandbox, listOf("config", key, value))
+        }
+
+        val trackedFiles = desired.files.filter { it.tracked }
+        val desiredCommitCount = maxOf(
+            desired.commits.size,
+            desired.branches.values.maxOrNull() ?: 0,
+            if (desired.tags.isNotEmpty()) 1 else 0,
+        )
+        if (desiredCommitCount > 0) {
+            repeat(desiredCommitCount) { index ->
+                filesForSetupCommit(trackedFiles, index, desiredCommitCount).forEach { file ->
+                    runGit(nativeGit, sandbox, listOf("add", file.name))
+                }
+                val message = desired.commits.getOrNull(index)?.message ?: "Setup commit ${index + 1}"
+                runGit(nativeGit, sandbox, listOf("commit", "--allow-empty", "-m", message))
+            }
+
+            desired.branches
+                .keys
+                .filterNot { it == desired.headBranch }
+                .forEach { branch -> runGit(nativeGit, sandbox, listOf("branch", branch)) }
+            if (desired.branches.containsKey(desired.headBranch)) {
+                runGit(nativeGit, sandbox, listOf("checkout", desired.headBranch))
+            }
+        }
+
+        desired.tags.forEach { tag -> runGit(nativeGit, sandbox, listOf("tag", tag)) }
+        desired.remotes.forEach { (name, url) -> runGit(nativeGit, sandbox, listOf("remote", "add", name, url)) }
+
+        val stagedTargets = desired.files.filter { it.staged }.map { it.name }
+        if (stagedTargets.isNotEmpty()) {
+            runGit(nativeGit, sandbox, listOf("add") + stagedTargets)
+        }
+    }
+
+    private fun filesForSetupCommit(files: List<GitFile>, index: Int, commitCount: Int): List<GitFile> {
+        if (files.isEmpty()) return emptyList()
+        if (commitCount <= 1) return files
+        if (index == 0) return files.take(1)
+        if (index == commitCount - 1) return files.drop(index)
+        return files.getOrNull(index)?.let { listOf(it) }.orEmpty()
+    }
+
+    private fun executeEcho(workingDir: File, currentRepo: RepoState, tokens: List<String>): Pair<RepoState, List<String>> {
+        val redirectIndex = tokens.indexOfFirst { it == ">" || it == ">>" }
+        if (redirectIndex == -1 || redirectIndex == tokens.lastIndex) {
+            return currentRepo to listOf(tokens.drop(1).joinToString(" "))
+        }
+
+        val file = File(workingDir, tokens[redirectIndex + 1])
+        file.parentFile?.mkdirs()
+        val content = tokens.subList(1, redirectIndex).joinToString(" ")
+        if (tokens[redirectIndex] == ">>") {
+            if (file.exists() && file.length() > 0L) {
+                file.appendText("\n$content")
+            } else {
+                file.writeText(content)
+            }
+        } else {
+            file.writeText(content)
+        }
+        return currentRepo to emptyList()
+    }
+
     private fun inspectSandbox(level: Level): RepoState {
         val sandbox = sandboxDir(level)
         val nativeGit = nativeGitBinary()
-        val filesOnDisk = sandbox.listFiles()
-            ?.filter { it.isFile && it.name != ".git" }
+        val filesOnDisk = sandbox.walkTopDown()
+            .filter { it.isFile && !it.relativeTo(sandbox).path.startsWith(".git/") }
             .orEmpty()
+            .toList()
 
         if (nativeGit == null || !File(sandbox, ".git").exists()) {
             return RepoState(
@@ -208,9 +273,10 @@ class GitRepositoryRuntime(private val context: Context) {
         return RepoState(
             initialized = true,
             files = filesOnDisk.map { file ->
-                val (staged, tracked) = statusMap[file.name] ?: (false to true)
+                val relativePath = file.relativeTo(sandbox).path
+                val (staged, tracked) = statusMap[relativePath] ?: (false to true)
                 GitFile(
-                    name = file.name,
+                    name = relativePath,
                     content = file.readText(),
                     staged = staged,
                     tracked = tracked,
@@ -272,4 +338,4 @@ class GitRepositoryRuntime(private val context: Context) {
 private data class ProcessExecutionResult(
     val exitCode: Int,
     val outputLines: List<String>,
-)
\ No newline at end of file
+)
diff --git a/app/src/test/java/solutions/tretter/githugandroid/LevelSolutionsTest.kt b/app/src/test/java/solutions/tretter/githugandroid/LevelSolutionsTest.kt
index d27a51b..d2c77ab 100644
--- a/app/src/test/java/solutions/tretter/githugandroid/LevelSolutionsTest.kt
+++ b/app/src/test/java/solutions/tretter/githugandroid/LevelSolutionsTest.kt
@@ -25,7 +25,8 @@ class LevelSolutionsTest {
     fun knownSolutionsCompleteEveryLevel() {
         val evidence = StringBuilder()
         evidence.appendLine("GitHug Android level solution evidence")
-        evidence.appendLine("Engine: GitSandboxEngine")
+        evidence.appendLine("Engine: GitSandboxEngine fallback")
+        evidence.appendLine("Scope: validates fallback command handling and level validators; native runtime setup is covered by app runtime tests/builds.")
         evidence.appendLine("Levels: ${allGithugLevels().size}")
         evidence.appendLine()