feat: add SPEAK_TEXT local action (TTS)

Firmware-independent, no bridge action — same shape as LAUNCH_APP and
SHOW_NOTIFICATION. Strings added in all 6 locales; matrix regenerated.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

Author: malys

docs/firmware-matrix.md

@@ -46,6 +46,7 @@
 |---|:--:|:--:|:--:|:--:|:--:|:--:|
 | LAUNCH_APP | — | — | — | — | — | — |
 | SHOW_NOTIFICATION | — | — | — | — | — | — |
+| SPEAK_TEXT | — | — | — | — | — | — |
 | APPLY_PROFILE | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
 | SET_DRIVE_MODE | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
 | SET_REGEN_LEVEL | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |

lib/src/main/java/com/mg4/hardware/catalog/ActionType.kt

@@ -235,6 +235,14 @@ enum class ActionType(
     SHOW_NOTIFICATION(
         R.string.act_notify, ActionGroup.SYSTEM,
         ValueSpec(ValueKind.TEXT), bridgeAction = null
+    ),
+    /**
+     * Speaks the text through the platform TTS engine. Local like the two above: nothing
+     * is written to the vehicle, so no firmware annotation and no bridge action.
+     */
+    SPEAK_TEXT(
+        R.string.act_speak, ActionGroup.SYSTEM,
+        ValueSpec(ValueKind.TEXT), bridgeAction = null
     );
 
     companion object {

lib/src/main/res/values-de/strings.xml

@@ -109,4 +109,5 @@
     <string name="act_las_vibration">Spurverlassen Lenkradvibration</string>
     <string name="act_launch_app">App starten</string>
     <string name="act_notify">Benachrichtigung anzeigen</string>
+    <string name="act_speak">Nachricht vorlesen</string>
 </resources>

lib/src/main/res/values-es/strings.xml

@@ -109,4 +109,5 @@
     <string name="act_las_vibration">Vibración del volante por cambio de carril</string>
     <string name="act_launch_app">Abrir una app</string>
     <string name="act_notify">Mostrar una notificación</string>
+    <string name="act_speak">Decir un mensaje</string>
 </resources>

lib/src/main/res/values-fr/strings.xml

@@ -109,4 +109,5 @@
     <string name="act_las_vibration">Vibration volant en sortie de voie</string>
     <string name="act_launch_app">Lancer une application</string>
     <string name="act_notify">Afficher une notification</string>
+    <string name="act_speak">Dire un message</string>
 </resources>

lib/src/main/res/values-it/strings.xml

@@ -109,4 +109,5 @@
     <string name="act_las_vibration">Vibrazione volante cambio corsia</string>
     <string name="act_launch_app">Avvia un\'app</string>
     <string name="act_notify">Mostra una notifica</string>
+    <string name="act_speak">Pronuncia un messaggio</string>
 </resources>

lib/src/main/res/values-pt/strings.xml

@@ -109,4 +109,5 @@
     <string name="act_las_vibration">Vibração do volante por saída de faixa</string>
     <string name="act_launch_app">Abrir uma app</string>
     <string name="act_notify">Mostrar uma notificação</string>
+    <string name="act_speak">Dizer uma mensagem</string>
 </resources>

lib/src/main/res/values/strings.xml

@@ -109,4 +109,5 @@
     <string name="act_las_vibration">Lane departure steering vibration</string>
     <string name="act_launch_app">Launch an app</string>
     <string name="act_notify">Show a notification</string>
+    <string name="act_speak">Speak a message</string>
 </resources>

lib/src/test/java/com/mg4/hardware/FirmwareSupportTest.kt

@@ -28,7 +28,8 @@ class FirmwareSupportTest {
     )
     private val firmwareIndependentActions = setOf(
         ActionType.LAUNCH_APP,
-        ActionType.SHOW_NOTIFICATION
+        ActionType.SHOW_NOTIFICATION,
+        ActionType.SPEAK_TEXT
     )
 
     @Test

lib/src/test/java/com/mg4/hardware/catalog/CatalogConsistencyTest.kt

@@ -19,7 +19,9 @@ class CatalogConsistencyTest {
     fun `toute action vehicule cible une action du pont`() {
         // bridgeAction=null est réservé aux actions locales (lancer une app, notifier).
         // Une action véhicule sans cible serait silencieusement ignorée à l'exécution.
-        val localOnly = setOf(ActionType.LAUNCH_APP, ActionType.SHOW_NOTIFICATION)
+        val localOnly = setOf(
+            ActionType.LAUNCH_APP, ActionType.SHOW_NOTIFICATION, ActionType.SPEAK_TEXT
+        )
 
         ActionType.entries.filterNot { it in localOnly }.forEach { type ->
             assertNotNull("${type.name} n'a pas de bridgeAction", type.bridgeAction)
@@ -28,7 +30,7 @@ class CatalogConsistencyTest {
 
     @Test
     fun `les actions locales ne passent pas par le pont`() {
-        listOf(ActionType.LAUNCH_APP, ActionType.SHOW_NOTIFICATION).forEach { type ->
+        listOf(ActionType.LAUNCH_APP, ActionType.SHOW_NOTIFICATION, ActionType.SPEAK_TEXT).forEach { type ->
             assertTrue(
                 "${type.name} ne touche pas le véhicule et ne doit pas avoir de bridgeAction",
                 type.bridgeAction == null