fix: normalize battery tables, validate panel wake publish

headsetcontrol/lib/hsc.luau

@@ -227,31 +227,37 @@ function M.fetchConnected(cb)
   end)
 end
 
--- Debounces transient 0% readings: a lone 0 between good readings is
--- normalized to unavailable (no false widget 0% or warning); two 0s in a
--- row pass through as a genuinely empty battery. Single owner is the
--- service entry (service.luau); the panel publishes its one-shot wake
--- read raw. Non-table input or a missing/non-numeric level resets the
--- streak and normalizes to unavailable, as does a nil reading.
-function M.stableBattery(battery)
+-- Validates and normalizes a battery table to {status, level} with a
+-- numeric level. Anything malformed (non-table, missing/non-numeric
+-- level) becomes unavailable. No streak side effects; safe for one-shot
+-- publishers like the panel wake read.
+function M.normalizeBattery(battery)
   if type(battery) ~= "table" then
-    zeroStreak = 0
     return { status = "BATTERY_UNAVAILABLE", level = -1 }
   end
   local level = tonumber(battery.level)
   if level == nil then
-    zeroStreak = 0
     return { status = "BATTERY_UNAVAILABLE", level = -1 }
   end
-  if level == 0 then
+  return { status = battery.status, level = level }
+end
+
+-- Debounces transient 0% readings: a lone 0 between good readings is
+-- normalized to unavailable (no false widget 0% or warning); two 0s in a
+-- row pass through as a genuinely empty battery. Single owner is the
+-- service entry (service.luau); the panel publishes its one-shot wake
+-- read via normalizeBattery (no streak). All unavailable forms reset.
+function M.stableBattery(battery)
+  local norm = M.normalizeBattery(battery)
+  if norm.level == 0 then
     zeroStreak = zeroStreak + 1
     if zeroStreak >= 2 then
-      return battery
+      return norm
     end
     return { status = "BATTERY_UNAVAILABLE", level = -1 }
   end
   zeroStreak = 0
-  return battery
+  return norm
 end
 
 -- chatmix direction is device-ambiguous. Negative = game side on signed-convention

headsetcontrol/panel.luau

@@ -110,7 +110,7 @@ function onWake()
     end
     hsc.fetchStatus(function(status)
       if status ~= nil then
-        noctalia.state.set("battery", status.battery or { status = "BATTERY_UNAVAILABLE", level = -1 })
+        noctalia.state.set("battery", hsc.normalizeBattery(status.battery))
         noctalia.state.set("chatmix", status.chatmix or 0)
         noctalia.state.set("lastUpdate", noctalia.nowMs())
       end

headsetcontrol/service.luau

@@ -71,7 +71,7 @@ local function init()
     noctalia.state.set("error", "no_binary")
     noctalia.state.set("caps", {})
     noctalia.state.set("equalizerPresets", 0)
-    noctalia.state.set("battery", { status = "BATTERY_UNAVAILABLE", level = -1 })
+    noctalia.state.set("battery", hsc.stableBattery(nil))
     noctalia.state.set("chatmix", 0)
     noctalia.log("headsetcontrol binary not found; polling disabled")
     return