fix: resolve all build compilation and style check warnings (#597)

* fix: resolve all build compilation and style check warnings

* fix: remove unused import in SystemViewModel

app/src/test/java/com/m57/hermescontrol/ui/chat/ChatViewModelTest.kt

@@ -361,7 +361,8 @@ class ChatViewModelTest {
             )
             assertTrue(
                 "picker should have preloaded providers (cached at GatewayReady)",
-                viewModel.uiState.value.modelPickerProviders.isNotEmpty(),
+                viewModel.uiState.value.modelPickerProviders
+                    .isNotEmpty(),
             )
             verify(exactly = 0) { HermesWsClient.send(WsMethods.COMMAND_DISPATCH, any(), any()) }
         }
@@ -930,7 +931,11 @@ class ChatViewModelTest {
                 ),
             )
             advanceUntilIdle()
-            assertEquals("clarify-789", viewModel.uiState.value.clarifyRequest?.clarifyId)
+            assertEquals(
+                "clarify-789",
+                viewModel.uiState.value.clarifyRequest
+                    ?.clarifyId,
+            )
 
             viewModel.dismissClarify()
             advanceUntilIdle()
@@ -1593,11 +1598,14 @@ class ChatViewModelTest {
             advanceUntilIdle()
             assertTrue(
                 "pendingAttachments must contain the image before send",
-                viewModel.uiState.value.pendingAttachments.isNotEmpty(),
+                viewModel.uiState.value.pendingAttachments
+                    .isNotEmpty(),
             )
             assertTrue(
                 "attached png must have isImage=true",
-                viewModel.uiState.value.pendingAttachments.first().isImage,
+                viewModel.uiState.value.pendingAttachments
+                    .first()
+                    .isImage,
             )
 
             viewModel.sendMessage("Here is an image")

app/src/test/java/com/m57/hermescontrol/ui/chat/MarkdownTextFeatureTest.kt

@@ -158,7 +158,7 @@ class MarkdownTextFeatureTest {
     fun testHighlight_parses() {
         val an = parseInline("==mark==", Color.Black, "", false, Color.Blue, DEFAULT_HIGHLIGHTS)
         assertEquals("mark", an.toString())
-        assertTrue(an.spanStyles.any { it.item.background != null })
+        assertTrue(an.spanStyles.any { it.item.background != Color.Unspecified })
     }
 
     // 10. SUPERSCRIPT / SUBSCRIPT