chore: establish Strategy Lab source baseline (development, not release)

1 files changed, 28 insertions, 0 deletions

diff --git a/frontend/vite.config.ts b/frontend/vite.config.ts
new file mode 100644
index 0000000..3178f19
--- /dev/null
+++ b/frontend/vite.config.ts
@@ -0,0 +1,28 @@
+import { defineConfig } from 'vitest/config';
+import { svelte } from '@sveltejs/vite-plugin-svelte';
+
+export default defineConfig({
+    plugins: [svelte()],
+    // resolve svelte's browser (client) build so tests can actually mount
+    // components; production client bundles already resolve the same entry
+    resolve: { conditions: ['browser'] },
+    build: { target: 'es2020' },
+    test: {
+        environment: 'jsdom',
+        include: ['src/**/*.test.ts'],
+        // geometry shim: jsdom lacks Range.getClientRects which CodeMirror's
+        // measurement layer needs (narrow; see src/test-setup.ts)
+        setupFiles: ['./src/test-setup.ts'],
+        // let vitest resolve the browser (client) build of svelte so component
+        // mounting is possible in jsdom regression tests
+        resolve: { conditions: ['browser'] }
+    },
+    server: {
+        proxy: {
+            '/api': {
+                target: 'http://127.0.0.1:8787',
+                changeOrigin: true
+            }
+        }
+    }
+});