feat(mail-overview): title, icon and spaced bullet body

A live test showed the old title ("<label> · N new") read poorly
and the body packed the rows into one block. Title is now
"New Mail - <label> (N)" with the mail-unread icon, and each
message is a bullet on its own line with a blank line between.
+N more counts rows, not physical lines, so the blank lines do
not skew it.

1 files changed, 12 insertions, 8 deletions

diff --git a/mail-overview/test-mail-notify.sh b/mail-overview/test-mail-notify.sh
index d5db6c3..9fc21a9 100755
--- a/mail-overview/test-mail-notify.sh
+++ b/mail-overview/test-mail-notify.sh
@@ -87,24 +87,28 @@ rows_json='[
 ]'
 
 check "a body lists author and subject per row" \
-    "Alice Example — First subject
-Bob Example — Second subject
-Carol Example — Third subject" \
+    "• Alice Example — First subject
+
+• Bob Example — Second subject
+
+• Carol Example — Third subject" \
     "$(build_body "$rows_json" 3)"
 
 check "a batch bigger than the rows shown is elided" \
-    "Alice Example — First subject
-Bob Example — Second subject
-Carol Example — Third subject
+    "• Alice Example — First subject
+
+• Bob Example — Second subject
+
+• Carol Example — Third subject
 +7 more" \
     "$(build_body "$rows_json" 10)"
 
 check "markup characters are escaped, not rendered" \
-    "A & B — <script>" \
+    "• A & B — <script>" \
     "$(build_body '[{"authors":"A & B","subject":"<script>"}]' 1)"
 
 check "a missing subject says so rather than printing nothing" \
-    "Alice Example — (no subject)" \
+    "• Alice Example — (no subject)" \
     "$(build_body '[{"authors":"Alice Example","subject":null}]' 1)"
 
 check "malformed json yields an empty body rather than an error" \