fix(status): read a missing state file as off, not down

statusctl watch reported class "down" for a missing state file and waybar's presentation rule drew a warning for it. That fires on every fresh session, before anything has written a file, which is the normal off state the registry's own invariant describes. The state was meant to flag a dead registry, but a crashed shell leaves a stale present file, not a missing one, so it never caught that case. get already read a missing file as 0; watch now matches it and the down state is gone.

3 files changed, 9 insertions, 5 deletions

diff --git a/desktop/modules/status/README.md b/desktop/modules/status/README.md
index 84736d5..2092890 100644
--- a/desktop/modules/status/README.md
+++ b/desktop/modules/status/README.md
@@ -56,4 +56,4 @@ before the screen could lock.
 
 Points `XDG_RUNTIME_DIR` at a temporary directory, so it never touches live
 modes. Covers the file format, the atomic write, the toggle, the unknown-mode
-error, both the activated report and the absent-file down report.
+error, both the activated report and the absent-file off report.
diff --git a/desktop/modules/status/statusctl b/desktop/modules/status/statusctl
index 6fbb689..8877ff3 100755
--- a/desktop/modules/status/statusctl
+++ b/desktop/modules/status/statusctl
@@ -82,12 +82,14 @@ tooltip() {
     case "$1" in
         activated)   printf '%s: on' "$mode" ;;
         deactivated) printf '%s: off' "$mode" ;;
-        down)        printf '%s: no state file' "$mode" ;;
     esac
 }
 
+# A missing file is the off state, not a distinct condition: read_mode already
+# reads it as 0, and this is the same path `get` uses. There is no "down": a
+# file cannot report whether a watcher is alive, and a missing one is exactly
+# what a fresh session looks like.
 state_now() {
-    [[ -e "$file" ]] || { printf 'down'; return; }
     [[ "$(read_mode)" == "1" ]] && printf 'activated' || printf 'deactivated'
 }
 
diff --git a/desktop/modules/status/test-statusctl.sh b/desktop/modules/status/test-statusctl.sh
index 3b8f7ba..82e2de1 100755
--- a/desktop/modules/status/test-statusctl.sh
+++ b/desktop/modules/status/test-statusctl.sh
@@ -73,7 +73,9 @@ kill "$watcher" 2>/dev/null
 wait "$watcher" 2>/dev/null
 check "watch reports activated" "1" "$(grep -c '"class": *"activated"' "$out")"
 
-# A missing file is reported as down, distinct from a mode that is off.
+# A missing file is the off state, so the absent-file watch reports off rather
+# than a distinct warning: a fresh session has no file until something writes
+# one, and that is the normal state.
 rm -f "$tmp/status.presentation"
 out2="$tmp/watch2.out"
 "$ctl" presentation watch > "$out2" 2>/dev/null &
@@ -81,7 +83,7 @@ watcher2=$!
 sleep 0.5
 kill "$watcher2" 2>/dev/null
 wait "$watcher2" 2>/dev/null
-check "watch reports down when absent" "1" "$(grep -c '"class": *"down"' "$out2")"
+check "watch reports deactivated when absent" "1" "$(grep -c '"class": *"deactivated"' "$out2")"
 
 printf '\n%d passed, %d failed\n' "$pass" "$fail"
 [[ "$fail" -eq 0 ]]