fix(android): scale invoke result ack timeout to invoke budget

apps/android/app/src/test/java/ai/openclaw/android/gateway/GatewaySessionInvokeTimeoutTest.kt

@@ -0,0 +1,25 @@
+package ai.openclaw.android.gateway
+
+import org.junit.Assert.assertEquals
+import org.junit.Test
+
+class GatewaySessionInvokeTimeoutTest {
+  @Test
+  fun resolveInvokeResultAckTimeoutMs_usesFloorWhenMissingOrTooSmall() {
+    assertEquals(15_000L, resolveInvokeResultAckTimeoutMs(null))
+    assertEquals(15_000L, resolveInvokeResultAckTimeoutMs(0L))
+    assertEquals(15_000L, resolveInvokeResultAckTimeoutMs(5_000L))
+  }
+
+  @Test
+  fun resolveInvokeResultAckTimeoutMs_usesInvokeBudgetWithinBounds() {
+    assertEquals(30_000L, resolveInvokeResultAckTimeoutMs(30_000L))
+    assertEquals(90_000L, resolveInvokeResultAckTimeoutMs(90_000L))
+  }
+
+  @Test
+  fun resolveInvokeResultAckTimeoutMs_capsAtUpperBound() {
+    assertEquals(120_000L, resolveInvokeResultAckTimeoutMs(121_000L))
+    assertEquals(120_000L, resolveInvokeResultAckTimeoutMs(Long.MAX_VALUE))
+  }
+}