feat(app): move the git dialogs and the snackbar to Compose

An activity-scoped Prompts ViewModel holds them, since git operations have no
composable to draw in; PromptHost draws them. The credential dialog's window is
now FLAG_SECURE, and a recreated activity no longer loses it and strands the
SSH thread.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

1 files changed, 102 insertions, 0 deletions

diff --git a/app/src/test/java/app/passwordstore/ui/prompts/PromptsTest.kt b/app/src/test/java/app/passwordstore/ui/prompts/PromptsTest.kt
new file mode 100644
index 00000000..12d1671e
--- /dev/null
+++ b/app/src/test/java/app/passwordstore/ui/prompts/PromptsTest.kt
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2026 Danilo M. <danix@danix.xyz>
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+package app.passwordstore.ui.prompts
+
+import androidx.compose.material3.SnackbarDuration
+import kotlin.test.Test
+import kotlin.test.assertEquals
+import kotlin.test.assertNull
+import kotlin.test.assertSame
+import kotlinx.coroutines.CoroutineStart
+import kotlinx.coroutines.async
+import kotlinx.coroutines.runBlocking
+
+class PromptsTest {
+
+  private fun Prompts.question() = current as Question
+
+  @Test
+  fun answerResumesAsk() = runBlocking {
+    val prompts = Prompts()
+    val asked = async(start = CoroutineStart.UNDISPATCHED) { prompts.ask("t", "m", "ok") }
+    prompts.answer(prompts.question(), Choice.Other)
+    assertEquals(Choice.Other, asked.await())
+    assertNull(prompts.current)
+  }
+
+  @Test
+  fun dismissingAnswersCancel() = runBlocking {
+    val prompts = Prompts()
+    val asked = async(start = CoroutineStart.UNDISPATCHED) { prompts.ask("t", "m", "ok") }
+    prompts.cancel(prompts.question())
+    assertEquals(Choice.Cancel, asked.await())
+  }
+
+  @Test
+  fun secondAnswerIsIgnored() = runBlocking {
+    val prompts = Prompts()
+    val asked = async(start = CoroutineStart.UNDISPATCHED) { prompts.ask("t", "m", "ok") }
+    val question = prompts.question()
+    prompts.answer(question, Choice.Confirm)
+    prompts.answer(question, Choice.Cancel)
+    assertEquals(Choice.Confirm, asked.await())
+  }
+
+  @Test
+  fun cancelledAskRemovesItsDialog() = runBlocking {
+    val prompts = Prompts()
+    val asked = async(start = CoroutineStart.UNDISPATCHED) { prompts.ask("t", "m", "ok") }
+    asked.cancel()
+    assertNull(prompts.current)
+  }
+
+  @Test
+  fun promptsShowOneAtATimeInOrder() =
+    runBlocking<Unit> {
+      val prompts = Prompts()
+      val first = async(start = CoroutineStart.UNDISPATCHED) { prompts.ask("1", "m", "ok") }
+      val second = async(start = CoroutineStart.UNDISPATCHED) { prompts.ask("2", "m", "ok") }
+      assertEquals("1", prompts.question().title)
+      prompts.answer(prompts.question(), Choice.Confirm)
+      assertEquals("2", prompts.question().title)
+      prompts.answer(prompts.question(), Choice.Confirm)
+      first.await()
+      second.await()
+    }
+
+  @Test
+  fun cancelAllAnswersAPendingCredentialWithNull() {
+    val prompts = Prompts()
+    val answers = mutableListOf<CredentialAnswer?>(CredentialAnswer("unset", false))
+    prompts.askCredential("m", "h", "r", null) { answers[0] = it }
+    prompts.cancelAll()
+    assertNull(answers[0])
+    assertNull(prompts.current)
+  }
+
+  @Test
+  fun askCredentialAfterCloseAnswersNullAtOnce() {
+    val prompts = Prompts()
+    prompts.close()
+    val answers = mutableListOf<CredentialAnswer?>(CredentialAnswer("unset", false))
+    prompts.askCredential("m", "h", "r", null) { answers[0] = it }
+    assertNull(answers[0])
+    assertNull(prompts.current)
+  }
+
+  @Test
+  fun newSnackbarReplacesTheCurrentOne() {
+    val prompts = Prompts()
+    val first = prompts.snackbar("one", SnackbarDuration.Indefinite)
+    val second = prompts.snackbar("two", SnackbarDuration.Short)
+    assertSame(second, prompts.snack)
+    // The finished operation dismisses its own snackbar only.
+    prompts.dismiss(first)
+    assertSame(second, prompts.snack)
+    prompts.dismiss(second)
+    assertNull(prompts.snack)
+  }
+}