fix: apply clang-format and exclude third-party libraries from formatting checks

- Applied clang-format to fix formatting violations in TUI and other source files
- Updated CMakeLists.txt to exclude src/lib/* from format targets to prevent third-party library violations
- Fixes clang-format violations in chat_tui.cc, tui.cc, and unified_layout.cc
- All source files now pass format-check target

🤖 Generated with Claude Code

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

test/integration/zelda3/room_integration_test.cc

@@ -277,8 +277,7 @@ TEST_F(RoomIntegrationTest, BinaryDataExactMatch) {
           break;
         }
       }
-      if (might_be_final)
-        break;
+      if (might_be_final) break;
     }
   }
 
@@ -319,12 +318,9 @@ TEST_F(RoomIntegrationTest, KnownRoomData) {
   bool found_layer1 = false;
 
   for (const auto& obj : objects) {
-    if (obj.id_ < 0x100)
-      found_type1 = true;
-    if (obj.GetLayerValue() == 0)
-      found_layer0 = true;
-    if (obj.GetLayerValue() == 1)
-      found_layer1 = true;
+    if (obj.id_ < 0x100) found_type1 = true;
+    if (obj.GetLayerValue() == 0) found_layer0 = true;
+    if (obj.GetLayerValue() == 1) found_layer1 = true;
   }
 
   EXPECT_TRUE(found_type1) << "Should have Type 1 objects";