Auto-commit after successful build: update app gameplay/UI, improve build setup

Changed files:\napp/build.gradle.kts
app/src/main/java/solutions/tretter/githugandroid/GitEditorCommands.kt
app/src/main/java/solutions/tretter/githugandroid/GitHugApp.kt
app/src/main/java/solutions/tretter/githugandroid/GitMessageEditorDialog.kt
app/src/main/java/solutions/tretter/githugandroid/GitRuntime.kt
app/src/test/java/solutions/tretter/githugandroid/GitEditorCommandsTest.kt

app/src/main/java/solutions/tretter/githugandroid/GitHugApp.kt

@@ -61,6 +61,7 @@ fun GitHugApp() {
         var historyDraft by remember { mutableStateOf("") }
         var hasRestoredProgress by remember { mutableStateOf(false) }
         var editorState by remember { mutableStateOf<TextEditorState?>(null) }
+        var gitMessageEditorState by remember { mutableStateOf<GitMessageEditorState?>(null) }
         var manPageState by remember { mutableStateOf<ManPageState?>(null) }
         val currentLevel = levels[currentLevelIndex]
 
@@ -173,6 +174,7 @@ fun GitHugApp() {
             historyIndex = -1
             historyDraft = ""
             editorState = null
+            gitMessageEditorState = null
             manPageState = null
             applyRecommendedPaneWeights(persist = false)
         }
@@ -190,6 +192,7 @@ fun GitHugApp() {
             historyIndex = -1
             historyDraft = ""
             editorState = null
+            gitMessageEditorState = null
             manPageState = null
             paneLayout = paneLayout.copy(
                 weights = paneLayout.weights + recommendedPaneWeights(
@@ -341,6 +344,19 @@ fun GitHugApp() {
             applyRecommendedPaneWeights(persist = false)
         }
 
+        fun openGitMessageEditor(invocation: GitEditorInvocation) {
+            output = buildList {
+                addAll(output)
+                add("$ ${invocation.command}")
+                add("Opened Git message editor")
+            }
+            gitMessageEditorState = GitMessageEditorState(
+                invocation = invocation,
+                content = invocation.initialContent,
+            )
+            applyRecommendedPaneWeights(persist = false)
+        }
+
         fun saveEditor() {
             val state = editorState ?: return
             val targetPath = state.saveAsPath.trim()
@@ -350,6 +366,18 @@ fun GitHugApp() {
             applyCommandResult(state.originalCommand, newRepo, lines, echoCommand = false)
         }
 
+        fun saveGitMessageEditor() {
+            val state = gitMessageEditorState ?: return
+            val (newRepo, lines) = runtime.executeGitEditorCommand(
+                level = currentLevel,
+                currentRepo = repo,
+                invocation = state.invocation,
+                message = state.content,
+            )
+            gitMessageEditorState = null
+            applyCommandResult(state.invocation.command, newRepo, lines, echoCommand = false)
+        }
+
         fun runCommand() {
             val submittedText = commandInput.text
             val raw = submittedText.trim()
@@ -376,6 +404,12 @@ fun GitHugApp() {
                 return
             }
 
+            val gitEditorInvocation = parseGitEditorInvocation(raw)
+            if (gitEditorInvocation != null) {
+                openGitMessageEditor(gitEditorInvocation)
+                return
+            }
+
             val (newRepo, lines) = runtime.execute(currentLevel, repo, raw)
             applyCommandResult(raw, newRepo, lines, echoCommand = true)
         }
@@ -485,6 +519,18 @@ fun GitHugApp() {
             )
         }
 
+        gitMessageEditorState?.let { state ->
+            GitMessageEditorDialog(
+                state = state,
+                onContentChange = { gitMessageEditorState = state.copy(content = it) },
+                onClose = {
+                    output = output + "Git editor closed without saving"
+                    gitMessageEditorState = null
+                },
+                onSave = { saveGitMessageEditor() },
+            )
+        }
+
         manPageState?.let { state ->
             ManPageDialog(
                 state = state,