diff --git a/vite.castle.config.ts b/vite.castle.config.ts
index 272009c..d8d2797 100644
--- a/vite.castle.config.ts
+++ b/vite.castle.config.ts
@@ -105,10 +105,13 @@ export default defineConfig(({ mode }) => ({
   ],
   resolve: {
     alias: {
-      '@': fileURLToPath(new URL('./src', import.meta.url)),
-      // CRITICAL: Remap @/app.config to the castle app's config
-      // ExpensesAPI and other modules import from @/app.config directly
+      // ORDER MATTERS — @rollup/plugin-alias is first-match-wins.
+      // The more specific @/app.config remap must precede the @ prefix
+      // alias, otherwise '@/app.config' matches '@' first and resolves
+      // to ./src/app.config (the hub config). ExpensesAPI etc. import
+      // from @/app.config and need the per-app config.
       '@/app.config': fileURLToPath(new URL('./src/accounting-app/app.config.ts', import.meta.url)),
+      '@': fileURLToPath(new URL('./src', import.meta.url)),
     },
   },
   build: {
diff --git a/vite.chat.config.ts b/vite.chat.config.ts
index d49a067..c5b00ac 100644
--- a/vite.chat.config.ts
+++ b/vite.chat.config.ts
@@ -98,8 +98,9 @@ export default defineConfig(({ mode }) => ({
   ],
   resolve: {
     alias: {
-      '@': fileURLToPath(new URL('./src', import.meta.url)),
+      // ORDER MATTERS — @/app.config must precede @ (first-match-wins).
       '@/app.config': fileURLToPath(new URL('./src/chat-app/app.config.ts', import.meta.url)),
+      '@': fileURLToPath(new URL('./src', import.meta.url)),
     },
   },
   build: {
diff --git a/vite.forum.config.ts b/vite.forum.config.ts
index fca9d11..feeea35 100644
--- a/vite.forum.config.ts
+++ b/vite.forum.config.ts
@@ -98,8 +98,9 @@ export default defineConfig(({ mode }) => ({
   ],
   resolve: {
     alias: {
-      '@': fileURLToPath(new URL('./src', import.meta.url)),
+      // ORDER MATTERS — @/app.config must precede @ (first-match-wins).
       '@/app.config': fileURLToPath(new URL('./src/forum-app/app.config.ts', import.meta.url)),
+      '@': fileURLToPath(new URL('./src', import.meta.url)),
     },
   },
   build: {
diff --git a/vite.market.config.ts b/vite.market.config.ts
index c8e5f8d..5a1a5fe 100644
--- a/vite.market.config.ts
+++ b/vite.market.config.ts
@@ -98,8 +98,9 @@ export default defineConfig(({ mode }) => ({
   ],
   resolve: {
     alias: {
-      '@': fileURLToPath(new URL('./src', import.meta.url)),
+      // ORDER MATTERS — @/app.config must precede @ (first-match-wins).
       '@/app.config': fileURLToPath(new URL('./src/market-app/app.config.ts', import.meta.url)),
+      '@': fileURLToPath(new URL('./src', import.meta.url)),
     },
   },
   build: {
diff --git a/vite.tasks.config.ts b/vite.tasks.config.ts
index 6fa6cd2..c939772 100644
--- a/vite.tasks.config.ts
+++ b/vite.tasks.config.ts
@@ -98,8 +98,9 @@ export default defineConfig(({ mode }) => ({
   ],
   resolve: {
     alias: {
-      '@': fileURLToPath(new URL('./src', import.meta.url)),
+      // ORDER MATTERS — @/app.config must precede @ (first-match-wins).
       '@/app.config': fileURLToPath(new URL('./src/tasks-app/app.config.ts', import.meta.url)),
+      '@': fileURLToPath(new URL('./src', import.meta.url)),
     },
   },
   build: {
diff --git a/vite.wallet.config.ts b/vite.wallet.config.ts
index 153e4b9..31b2a1d 100644
--- a/vite.wallet.config.ts
+++ b/vite.wallet.config.ts
@@ -104,8 +104,9 @@ export default defineConfig(({ mode }) => ({
   ],
   resolve: {
     alias: {
-      '@': fileURLToPath(new URL('./src', import.meta.url)),
+      // ORDER MATTERS — @/app.config must precede @ (first-match-wins).
       '@/app.config': fileURLToPath(new URL('./src/wallet-app/app.config.ts', import.meta.url)),
+      '@': fileURLToPath(new URL('./src', import.meta.url)),
     },
   },
   build: {