feat(android): sync wake words via gateway

apps/android/app/src/test/java/com/steipete/clawdis/node/WakeWordsTest.kt

@@ -0,0 +1,36 @@
+package com.steipete.clawdis.node
+
+import org.junit.Assert.assertEquals
+import org.junit.Test
+
+class WakeWordsTest {
+  @Test
+  fun parseCommaSeparatedTrimsAndDropsEmpty() {
+    assertEquals(listOf("clawd", "claude"), WakeWords.parseCommaSeparated("  clawd , claude, ,  "))
+  }
+
+  @Test
+  fun sanitizeTrimsCapsAndFallsBack() {
+    val defaults = listOf("clawd", "claude")
+    val long = "x".repeat(WakeWords.maxWordLength + 10)
+    val words = listOf(" ", "  hello  ", long)
+
+    val sanitized = WakeWords.sanitize(words, defaults)
+    assertEquals(2, sanitized.size)
+    assertEquals("hello", sanitized[0])
+    assertEquals("x".repeat(WakeWords.maxWordLength), sanitized[1])
+
+    assertEquals(defaults, WakeWords.sanitize(listOf(" ", ""), defaults))
+  }
+
+  @Test
+  fun sanitizeLimitsWordCount() {
+    val defaults = listOf("clawd")
+    val words = (1..(WakeWords.maxWords + 5)).map { "w$it" }
+    val sanitized = WakeWords.sanitize(words, defaults)
+    assertEquals(WakeWords.maxWords, sanitized.size)
+    assertEquals("w1", sanitized.first())
+    assertEquals("w${WakeWords.maxWords}", sanitized.last())
+  }
+}
+