fix: simplify Google Maps provider setup

src/keySetupCore.test.mjs

@@ -63,7 +63,7 @@ test('the status payload reports presence without any credential material', () =
     // Secret missing: the OpenSky pair must read as NOT set.
   };
   const status = keySetupStatus(env);
-  assert.equal(status.total, KEY_SETUP_KEYS.length);
+  assert.equal(status.total, KEY_SETUP_KEYS.filter((key) => !key.hidden).length);
   const google = status.keys.find((key) => key.id === 'google-maps');
   assert.equal(google.set, true);
   const opensky = status.keys.find((key) => key.id === 'opensky');
@@ -342,15 +342,23 @@ test('validation rejects dotenv metacharacters that would round-trip wrong', ()
   }
 });
 
-test('server Google key can be saved and removed without appearing in status values', () => {
+test('server Google key remains supported without appearing in setup or its missing count', () => {
   const secret = 'server-key-fixture';
   assert.deepEqual(validateKeySetupUpdates({ GOOGLE_MAPS_SERVER_API_KEY: secret }), {
     ok: true, updates: { GOOGLE_MAPS_SERVER_API_KEY: secret },
   });
   assert.equal(validateKeySetupUpdates({ GOOGLE_MAPS_SERVER_API_KEY: null }).ok, true);
   const status = keySetupStatus({ GOOGLE_MAPS_SERVER_API_KEY: secret });
-  const entry = status.keys.find((key) => key.id === 'google-maps-server');
-  assert.equal(entry.set, true);
-  assert.ok(!entry.clientExposed);
+  assert.deepEqual(status, keySetupStatus({}));
+  assert.equal(status.keys.some((key) => key.id === 'google-maps-server'), false);
+  assert.equal(keySetupRequirement('google-maps-server'), '');
+  assert.equal(status.keys.find((key) => key.id === 'google-maps').title, 'GOOGLE MAPS');
+  const allVisibleConfigured = Object.fromEntries(status.keys.flatMap((key) =>
+    key.envVars.map((name) => [name, 'configured-fixture']),
+  ));
+  const complete = keySetupStatus(allVisibleConfigured);
+  assert.equal(complete.setCount, complete.total, 'an absent server key must not leave setup incomplete');
+  assert.deepEqual(complete, keySetupStatus({ ...allVisibleConfigured, GOOGLE_MAPS_SERVER_API_KEY: secret }));
+  assert.ok(!JSON.stringify(status).includes('GOOGLE_MAPS_SERVER_API_KEY'));
   assert.ok(!JSON.stringify(status).includes(secret));
 });