@@ -33,10 +34,13 @@ futures-core = "0.3.31"
 blake3 = "1.8.3"
 url = "2"
 open = "5"
+chrono = { version = "0.4", default-features = false, features = ["std", "clock"] }

@@ -71,1 +75,4 @@
 
+
+[profile.release]
+debug = true

@@ -0,0 +82,4 @@
+
+    let bytes = client
+        .media()
+        .get_media_content(&request, true)

@@ -0,0 +110,4 @@
+    format!("Attachment is {bytes} bytes, over the {limit} byte limit")
+}
+
+/// Download an attachment's original bytes, undecoded. Used for saving to disk, where the file

@@ -0,0 +368,4 @@
+        "audio/opus" => "opus",
+        "audio/wav" | "audio/x-wav" => "wav",
+        "audio/flac" | "audio/x-flac" => "flac",
+        "audio/mp4" | "audio/aac" => "m4a",

@@ -103,2 +66,2 @@
-    Ok(root_map)
-}
+    let mut hierarchy = Vec::new();
+    let mut visited = HashSet::new();

@@ -133,3 +69,1 @@
-    };
-    if !room.is_space() {
-        return Err("Given space ID does not correspond to a space room".to_string());
+    for root_id in roots {

@@ -45,0 +275,4 @@
+const MESSAGE_PAGE: u32 = 50;
+
+/// Maximum number of message rows held in the UI model.
+const MAX_MESSAGE_ROWS: usize = MESSAGE_PAGE as usize * 20;

@@ -45,0 +285,4 @@
+            return;
+        }
+
+        let mut dropped = Vec::with_capacity(overflow);

@@ -0,0 +43,4 @@
+/// A media attachment, carrying just enough to fetch and render it later.
+/// One shape covers every kind, so a new kind needs no new field here.
+#[derive(Debug, Clone)]
+pub struct Attachment {

@@ -0,0 +90,4 @@
+    /// Pick the source that answers a request at `size`.
+    ///
+    /// The one definition of which of an attachment's two sources is used and
+    /// what it weighs. Both the fetch that pulls the bytes down and the check

@@ -0,0 +260,4 @@
+/// redaction is, and each applies the answer to the message model itself
+/// rather than to a copy of it.
+#[derive(Debug, Clone)]
+pub enum EventEffect {

@@ -161,2 +215,4 @@
     }
 }
+
+#[cfg(test)]

@@ -3,18 +3,137 @@
 // eliminating deep two-way binding chains that cause
 // "long callback/instantiation chain" warnings.
 
+// Mirrors `rooms::messages::AttachmentKind`, converted in lib.rs, plus

@@ -8,12 +8,175 @@ import { MessageRow } from "./message-row.slint";
 export component ChatMain inherits Rectangle {
     background: #000000;
 
+    // How close to the bottom (in px, roughly 5 message rows) counts as "still

@@ -67,3 +96,3 @@
                 }
 
-                Text { text: msg.text; color: rgba(255, 255, 255, 0.85); font-size: 15px; wrap: word-wrap; }
+                // The body and the "(edited)" marker sit in one row so the marker trails