From 28109a8f0259609c3a0f436df74841c82709b3de Mon Sep 17 00:00:00 2001
From: Makito <i@maki.to>
Date: Thu, 12 Mar 2026 00:34:00 +0900
Subject: [PATCH] fix(stage-tamagotchi): provide the missing core components to
 createCoreContext (#1288)

---
 .../src/main/libs/i18n/index.ts                 | 17 ++++++++++++++++-
 cspell.config.yaml                              |  1 +
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/apps/stage-tamagotchi/src/main/libs/i18n/index.ts b/apps/stage-tamagotchi/src/main/libs/i18n/index.ts
index a1c4378c3..29361fff6 100644
--- a/apps/stage-tamagotchi/src/main/libs/i18n/index.ts
+++ b/apps/stage-tamagotchi/src/main/libs/i18n/index.ts
@@ -9,7 +9,7 @@ import type {
 } from '@intlify/core'
 
 import { useLogg } from '@guiiai/logg'
-import { createCoreContext, translate } from '@intlify/core'
+import { compile, createCoreContext, fallbackWithLocaleChain, resolveValue, translate } from '@intlify/core'
 import { effect, signal } from 'alien-signals'
 import { isString } from 'es-toolkit'
 
@@ -149,6 +149,21 @@ export function createI18n<Schema extends Record<string, any> = Record<string, a
     missingWarn: false,
     warnHtmlMessage: false,
     fallbackFormat: true,
+    // Register the messageCompiler, messageResolver, and localeFallbacker.
+    //
+    // While vue-i18n registers them globally:
+    //
+    // ```
+    // registerMessageCompiler(compile)
+    // registerMessageResolver(resolveValue)
+    // registerLocaleFallbacker(fallbackWithLocaleChain)
+    // ```
+    // See: https://github.com/intlify/vue-i18n/blob/884060b63122ccca3088e4af283ef223a1e2bd29/packages/vue-i18n/src/runtime.ts#L15-L22
+    //
+    // ... but we will provide them to `createCoreContext` here for better scoping.
+    messageCompiler: compile,
+    messageResolver: resolveValue,
+    localeFallbacker: fallbackWithLocaleChain,
     ...options,
   })
 
diff --git a/cspell.config.yaml b/cspell.config.yaml
index 2cf9eee8e..d19a66f99 100644
--- a/cspell.config.yaml
+++ b/cspell.config.yaml
@@ -101,6 +101,7 @@ words:
   - esaxx
   - eventa
   - Factorio
+  - fallbacker
   - feaxios
   - Flathub
   - flexsearch