feat(battery): the charging state swaps in the battery-charging glyph

The icon form of the text readout's ⚡ prefix; the accent color stays.

Co-Authored-By: Claude Fable 5.1 <[email protected]>

 CLAUDE.md      | 7 ++++---
 src/modules.rs | 6 +++---
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/CLAUDE.md b/CLAUDE.md
index 5a54a0e..f8325a1 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -99,9 +99,10 @@ the digits and drawn between the glyph and the number (`IconPrim::pocket`,
 `module { icon_pocket }`). Same-hue was the problem — white digits on a white
 ghost had only the alpha gap for contrast — and the pocket is the bubble
 scrim's answer applied locally: darken the ground under the digits rather
-than outline the letterforms. The muted sink swaps to `volume-muted`; the
-battery keeps its accent color while charging or under 10% (the only
-charging cue now that the "⚡" prefix went with the text form). A module whose
+than outline the letterforms. The muted sink swaps to `volume-muted`, the
+charging battery to `battery-charging` (the bolt runs the glyph's full
+height so its tips clear the digit pocket); the battery also keeps its
+accent color while charging or under 10%. A module whose
 reader has nothing (no battery, no backlight, no pactl) returns `None` and
 has width 0, i.e. it is hidden rather than an empty bubble; a reader that
 answers without a number (cpu with no /proc/stat, a sink with no level)
diff --git a/src/modules.rs b/src/modules.rs
index e784433..e912504 100644
--- a/src/modules.rs
+++ b/src/modules.rs
@@ -522,11 +522,11 @@ impl IconStat for BatteryModule {
             Some(s) => s.battery?,
             None => (100, false),
         };
-        // Accent while charging or nearly flat — the one cue left for
-        // charging now that the "⚡" prefix has gone with the text form.
+        // Accent while charging or nearly flat; charging also swaps in the
+        // bolt glyph, the icon form of the text readout's "⚡" prefix.
         let color = if !charging && cap > 10 { normal_color } else { color::TEXT_ACCENT };
         Some(IconReadout {
-            icon: "battery",
+            icon: if charging { "battery-charging" } else { "battery" },
             number: Some(cap.to_string()),
             color,
             fallback: format!("{} {cap}%", if charging { "⚡" } else { "Bat" }),