feat(android): send a manifest of what each backup run sent

Photos, videos and files record, per file, their path on the node, their path
and album on the phone, dates, size and SHA-256, uploaded as
meshbay-manifest/manifest-<date>.jsonl once the run is done.

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

1 files changed, 52 insertions, 0 deletions

diff --git a/packages/meshbay-android/app/src/test/kotlin/org/meshbay/client/ManifestLogTest.kt b/packages/meshbay-android/app/src/test/kotlin/org/meshbay/client/ManifestLogTest.kt
new file mode 100644
index 0000000..bb3a67f
--- /dev/null
+++ b/packages/meshbay-android/app/src/test/kotlin/org/meshbay/client/ManifestLogTest.kt
@@ -0,0 +1,52 @@
+package org.meshbay.client
+
+import org.json.JSONObject
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertNull
+import org.junit.Assert.assertTrue
+import org.junit.Rule
+import org.junit.Test
+import org.junit.rules.TemporaryFolder
+import org.meshbay.client.phonesync.ManifestLog
+import java.io.File
+import java.util.TimeZone
+
+class ManifestLogTest {
+    @get:Rule val tmp = TemporaryFolder()
+
+    private fun line(n: Int) = JSONObject().put("node", "d/$n.jpg").put("source", "DCIM/Camera/$n.jpg")
+
+    private fun nodes(f: File) = f.readLines().filter { it.isNotBlank() }.map { JSONObject(it).getString("node") }
+
+    @Test fun `nothing waiting means nothing to send`() {
+        val log = ManifestLog(File(tmp.root, "m"))
+        assertFalse(log.waiting())
+        assertNull(log.issue())
+    }
+
+    @Test fun `what was sent is described once the node has the manifest, and only then forgotten`() {
+        val log = ManifestLog(File(tmp.root, "m"))
+        log.append(line(1)); log.append(line(2))
+        assertTrue(log.waiting())
+        assertEquals(listOf("d/1.jpg", "d/2.jpg"), nodes(log.issue()!!))
+        log.confirm()
+        assertFalse(log.waiting())
+        assertNull(log.issue())
+    }
+
+    @Test fun `a manifest that did not arrive goes again, with what came since`() {
+        val log = ManifestLog(File(tmp.root, "m"))
+        log.append(line(1))
+        log.issue()                      // sent, never confirmed: the run was cut short
+        log.append(line(2))
+        val again = ManifestLog(File(tmp.root, "m"))   // a restart in between
+        assertTrue(again.waiting())
+        assertEquals(listOf("d/1.jpg", "d/2.jpg"), nodes(again.issue()!!))
+    }
+
+    @Test fun `manifests are named for when they were written`() {
+        assertEquals("manifest-2026-10-09-120000.jsonl",
+                     ManifestLog.nameFor(1791547200000L, TimeZone.getTimeZone("UTC")))
+    }
+}