refactor(kanban): unify KanbanApiService with HermesApiService and update E2E integration test

app/src/main/java/com/m57/hermescontrol/data/remote/ApiClient.kt

@@ -22,9 +22,6 @@ object ApiClient {
     @Volatile
     private var service: HermesApiService? = null
 
-    @Volatile
-    private var kanbanService: KanbanApiService? = null
-
     /** The current [HermesApiService] instance. Lazily created on first access. */
     val hermesApi: HermesApiService
         get() {
@@ -33,20 +30,15 @@ object ApiClient {
             }
         }
 
-    /** The current [KanbanApiService] instance. Lazily created on first access. */
+    /** The current [KanbanApiService] instance. Reuses [hermesApi]. */
     val kanbanApi: KanbanApiService
-        get() {
-            return kanbanService ?: synchronized(this) {
-                kanbanService ?: buildRetrofit().create(KanbanApiService::class.java).also { kanbanService = it }
-            }
-        }
+        get() = hermesApi
 
     /** Force-rebuild the Retrofit client (e.g. after settings change). */
     fun rebuild() {
         synchronized(this) {
             retrofit = null
             service = null
-            kanbanService = null
         }
     }
 

app/src/main/java/com/m57/hermescontrol/data/remote/HermesApiService.kt

@@ -154,7 +154,7 @@ import retrofit2.http.Path
 import retrofit2.http.Query
 import retrofit2.http.Streaming
 
-interface HermesApiService {
+interface HermesApiService : KanbanApiService {
     @GET("api/skills/content")
     suspend fun getSkillContent(
         @Query("name") name: String,

app/src/main/java/com/m57/hermescontrol/data/remote/KanbanApiService.kt

@@ -163,7 +163,7 @@ interface KanbanApiService {
     ): Response<ResponseBody>
 
     @GET("api/plugins/kanban/profiles")
-    suspend fun getProfiles(): Response<KanbanProfilesResponse>
+    suspend fun getKanbanProfiles(): Response<KanbanProfilesResponse>
 
     @PATCH("api/plugins/kanban/profiles/{name}")
     suspend fun updateProfileDescription(

app/src/main/java/com/m57/hermescontrol/data/repository/KanbanRepository.kt

@@ -323,7 +323,7 @@ class KanbanRepositoryImpl(
 
     override suspend fun getProfiles(): NetworkResult<KanbanProfilesResponse> =
         withContext(ioDispatcher) {
-            safeApiCall { apiProvider().getProfiles() }
+            safeApiCall { apiProvider().getKanbanProfiles() }
         }
 
     override suspend fun updateProfileDescription(