From 38e7aa213821e129e9f2e93dc47a495ab272dd23 Mon Sep 17 00:00:00 2001
From: Sang Han <sanghan@protonmail.com>
Date: Sat, 17 Jan 2026 23:07:46 -0800
Subject: [PATCH 1/2] fix: add missing tostring() call

---
 script/locale-loader.lua | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/script/locale-loader.lua b/script/locale-loader.lua
index 018da6806..10d76c53b 100644
--- a/script/locale-loader.lua
+++ b/script/locale-loader.lua
@@ -2,8 +2,9 @@ local function mergeKey(key, k)
     if not key then
         return k
     end
-    if k:sub(1, 1):match '%w' then
-        return key .. '.' .. k
+    k = tostring(k)
+    if k:sub(1, 1):match("%w") then
+        return key .. "." .. k
     else
         return key .. k
     end
@@ -11,17 +12,17 @@ end
 
 local function proxy(results, key)
     return setmetatable({}, {
-        __index = function (_, k)
+        __index = function(_, k)
             return proxy(results, mergeKey(key, k))
         end,
-        __newindex = function (_, k, v)
+        __newindex = function(_, k, v)
             results[mergeKey(key, k)] = v
-        end
+        end,
     })
 end
 
-return function (text, path, results)
+return function(text, path, results)
     results = results or {}
-    assert(load(text, '@' .. path, "t", proxy(results)))()
+    assert(load(text, "@" .. path, "t", proxy(results)))()
     return results
 end

From e9b52e69fcc6568e3940c939627aced641a1e254 Mon Sep 17 00:00:00 2001
From: Sang Han <sanghan@protonmail.com>
Date: Sat, 17 Jan 2026 23:22:21 -0800
Subject: [PATCH 2/2] add back to changelog

---
 changelog.md             |  1 +
 script/locale-loader.lua | 14 +++++++-------
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/changelog.md b/changelog.md
index d4ecb8039..c40a9a9ef 100644
--- a/changelog.md
+++ b/changelog.md
@@ -2,6 +2,7 @@
 
 ## Unreleased
 <!-- Add all new changes here. They will be moved under a version at release -->
+* `FIX` convert all keys to string before using
 
 ## 3.16.4
 `2025-12-25`
diff --git a/script/locale-loader.lua b/script/locale-loader.lua
index 10d76c53b..c98529830 100644
--- a/script/locale-loader.lua
+++ b/script/locale-loader.lua
@@ -3,8 +3,8 @@ local function mergeKey(key, k)
         return k
     end
     k = tostring(k)
-    if k:sub(1, 1):match("%w") then
-        return key .. "." .. k
+    if k:sub(1, 1):match '%w' then
+        return key .. '.' .. k
     else
         return key .. k
     end
@@ -12,17 +12,17 @@ end
 
 local function proxy(results, key)
     return setmetatable({}, {
-        __index = function(_, k)
+        __index = function (_, k)
             return proxy(results, mergeKey(key, k))
         end,
-        __newindex = function(_, k, v)
+        __newindex = function (_, k, v)
             results[mergeKey(key, k)] = v
-        end,
+        end
     })
 end
 
-return function(text, path, results)
+return function (text, path, results)
     results = results or {}
-    assert(load(text, "@" .. path, "t", proxy(results)))()
+    assert(load(text, '@' .. path, "t", proxy(results)))()
     return results
 end