fix: persist dedicated physique targeting settings

tests/web/config-route.test.ts

@@ -139,6 +139,33 @@ describe('config route physique targeting', () => {
     );
   });
 
+  it('does not let a stale advanced-config copy overwrite dedicated physique controls', async () => {
+    const { app, config, saved } = harness();
+    const current = await (await request(app, '/api/config')).json();
+
+    const response = await request(app, '/api/config', {
+      method: 'PUT',
+      headers: { 'content-type': 'application/json' },
+      body: JSON.stringify({
+        reddit: {
+          physiqueTargeting: { enabled: true, minScore: 1, maxScore: 6 },
+        },
+        advanced: {
+          ...current.advanced,
+          reddit: {
+            ...current.advanced.reddit,
+            physiqueTargeting: { enabled: false, minScore: 1, maxScore: 10 },
+          },
+        },
+      }),
+    });
+
+    expect(response.status).toBe(200);
+    expect(config.reddit.physiqueTargeting).toEqual({ enabled: true, minScore: 1, maxScore: 6 });
+    expect(saved.at(-1)?.reddit.physiqueTargeting).toEqual({ enabled: true, minScore: 1, maxScore: 6 });
+    expect((await response.json()).advanced.reddit).not.toHaveProperty('physiqueTargeting');
+  });
+
   it('rejects an inverted physique range without mutating configuration', async () => {
     const { app, config, saved } = harness();