Refactor: Streamline code formatting, introduce cleaner structure, and remove unused Class1. Add .editorconfig for consistent coding style.

.editorconfig

@@ -0,0 +1,390 @@
+root = true
+
+# All files
+[*]
+indent_style = space
+
+# Xml files
+[*.xml]
+indent_size = 2
+
+# Xml project files
+[*.{csproj,fsproj,vbproj,proj,slnx}]
+indent_size = 2
+
+# Xml config files
+[*.{props,targets,config,nuspec}]
+indent_size = 2
+
+[*.json]
+indent_size = 2
+
+# C# files
+[*.cs]
+
+#### Core EditorConfig Options ####
+
+# Indentation and spacing
+indent_size = 4
+tab_width = 4
+max_line_length = 160
+
+# New line preferences
+insert_final_newline = false
+
+#### .NET Coding Conventions ####
+[*.{cs,vb}]
+
+# Organize usings
+dotnet_separate_import_directive_groups = true
+dotnet_sort_system_directives_first = true
+file_header_template = unset
+
+# this. and Me. preferences
+dotnet_style_qualification_for_event = false:silent
+dotnet_style_qualification_for_field = false:silent
+dotnet_style_qualification_for_method = false:silent
+dotnet_style_qualification_for_property = false:silent
+
+# Language keywords vs BCL types preferences
+dotnet_style_predefined_type_for_locals_parameters_members = true:silent
+dotnet_style_predefined_type_for_member_access = true:silent
+
+# Parentheses preferences
+dotnet_style_parentheses_in_arithmetic_binary_operators = always_for_clarity:silent
+dotnet_style_parentheses_in_other_binary_operators = always_for_clarity:silent
+dotnet_style_parentheses_in_other_operators = never_if_unnecessary:silent
+dotnet_style_parentheses_in_relational_binary_operators = always_for_clarity:silent
+
+# Modifier preferences
+dotnet_style_require_accessibility_modifiers = for_non_interface_members:silent
+
+# Expression-level preferences
+dotnet_style_coalesce_expression = true:suggestion
+dotnet_style_collection_initializer = true:suggestion
+dotnet_style_explicit_tuple_names = true:suggestion
+dotnet_style_namespace_match_folder = true:suggestion
+dotnet_style_null_propagation = true:suggestion
+dotnet_style_object_initializer = true:suggestion
+dotnet_style_operator_placement_when_wrapping = beginning_of_line
+dotnet_style_prefer_auto_properties = true:suggestion
+dotnet_style_prefer_collection_expression = when_types_loosely_match:suggestion
+dotnet_style_prefer_compound_assignment = true:suggestion
+dotnet_style_prefer_conditional_expression_over_assignment = true:suggestion
+dotnet_style_prefer_conditional_expression_over_return = true:suggestion
+dotnet_style_prefer_foreach_explicit_cast_in_source = when_strongly_typed:suggestion
+dotnet_style_prefer_inferred_anonymous_type_member_names = true:suggestion
+dotnet_style_prefer_inferred_tuple_names = true:suggestion
+dotnet_style_prefer_is_null_check_over_reference_equality_method = true:suggestion
+dotnet_style_prefer_simplified_boolean_expressions = true:suggestion
+dotnet_style_prefer_simplified_interpolation = true:suggestion
+
+# Field preferences
+dotnet_style_readonly_field = true:warning
+
+# Parameter preferences
+dotnet_code_quality_unused_parameters = all:suggestion
+
+# Suppression preferences
+dotnet_remove_unnecessary_suppression_exclusions = none
+
+#### C# Coding Conventions ####
+[*.cs]
+
+# var preferences
+csharp_style_var_elsewhere = false:silent
+csharp_style_var_for_built_in_types = false:silent
+csharp_style_var_when_type_is_apparent = false:silent
+
+# Expression-bodied members
+csharp_style_expression_bodied_accessors = true:silent
+csharp_style_expression_bodied_constructors = false:silent
+csharp_style_expression_bodied_indexers = true:silent
+csharp_style_expression_bodied_lambdas = true:suggestion
+csharp_style_expression_bodied_local_functions = false:silent
+csharp_style_expression_bodied_methods = false:silent
+csharp_style_expression_bodied_operators = false:silent
+csharp_style_expression_bodied_properties = true:silent
+
+# Pattern matching preferences
+csharp_style_pattern_matching_over_as_with_null_check = true:suggestion
+csharp_style_pattern_matching_over_is_with_cast_check = true:suggestion
+csharp_style_prefer_extended_property_pattern = true:suggestion
+csharp_style_prefer_not_pattern = true:suggestion
+csharp_style_prefer_pattern_matching = true:silent
+csharp_style_prefer_switch_expression = true:suggestion
+
+# Null-checking preferences
+csharp_style_conditional_delegate_call = true:suggestion
+
+# Modifier preferences
+csharp_prefer_static_anonymous_function = true:suggestion
+csharp_prefer_static_local_function = true:warning
+csharp_preferred_modifier_order = public,private,protected,internal,file,const,static,extern,new,virtual,abstract,sealed,override,readonly,unsafe,required,volatile,async:suggestion
+csharp_style_prefer_readonly_struct = true:suggestion
+csharp_style_prefer_readonly_struct_member = true:suggestion
+
+# Code-block preferences
+csharp_prefer_braces = true:silent
+csharp_prefer_simple_using_statement = true:suggestion
+csharp_style_namespace_declarations = file_scoped:suggestion
+csharp_style_prefer_method_group_conversion = true:silent
+csharp_style_prefer_primary_constructors = true:suggestion
+csharp_style_prefer_top_level_statements = true:silent
+
+# Expression-level preferences
+csharp_prefer_simple_default_expression = true:suggestion
+csharp_style_deconstructed_variable_declaration = true:suggestion
+csharp_style_implicit_object_creation_when_type_is_apparent = true:suggestion
+csharp_style_inlined_variable_declaration = true:suggestion
+csharp_style_prefer_index_operator = true:suggestion
+csharp_style_prefer_local_over_anonymous_function = true:suggestion
+csharp_style_prefer_null_check_over_type_check = true:suggestion
+csharp_style_prefer_range_operator = true:suggestion
+csharp_style_prefer_tuple_swap = true:suggestion
+csharp_style_prefer_utf8_string_literals = true:suggestion
+csharp_style_throw_expression = true:suggestion
+csharp_style_unused_value_assignment_preference = discard_variable:suggestion
+csharp_style_unused_value_expression_statement_preference = discard_variable:silent
+
+# 'using' directive preferences
+csharp_using_directive_placement = outside_namespace:silent
+
+#### C# Formatting Rules ####
+
+# New line preferences
+csharp_new_line_before_catch = true
+csharp_new_line_before_else = true
+csharp_new_line_before_finally = true
+csharp_new_line_before_members_in_anonymous_types = true
+csharp_new_line_before_members_in_object_initializers = true
+csharp_new_line_before_open_brace = all
+csharp_new_line_between_query_expression_clauses = true
+
+# Indentation preferences
+csharp_indent_block_contents = true
+csharp_indent_braces = false
+csharp_indent_case_contents = true
+csharp_indent_case_contents_when_block = true
+csharp_indent_labels = one_less_than_current
+csharp_indent_switch_labels = true
+
+# Space preferences
+csharp_space_after_cast = false
+csharp_space_after_colon_in_inheritance_clause = true
+csharp_space_after_comma = true
+csharp_space_after_dot = false
+csharp_space_after_keywords_in_control_flow_statements = true
+csharp_space_after_semicolon_in_for_statement = true
+csharp_space_around_binary_operators = before_and_after
+csharp_space_around_declaration_statements = false
+csharp_space_before_colon_in_inheritance_clause = true
+csharp_space_before_comma = false
+csharp_space_before_dot = false
+csharp_space_before_open_square_brackets = false
+csharp_space_before_semicolon_in_for_statement = false
+csharp_space_between_empty_square_brackets = false
+csharp_space_between_method_call_empty_parameter_list_parentheses = false
+csharp_space_between_method_call_name_and_opening_parenthesis = false
+csharp_space_between_method_call_parameter_list_parentheses = false
+csharp_space_between_method_declaration_empty_parameter_list_parentheses = false
+csharp_space_between_method_declaration_name_and_open_parenthesis = false
+csharp_space_between_method_declaration_parameter_list_parentheses = false
+csharp_space_between_parentheses = false
+csharp_space_between_square_brackets = false
+
+# Wrapping preferences
+csharp_preserve_single_line_blocks = true
+csharp_preserve_single_line_statements = true
+
+#### Naming styles ####
+[*.{cs,vb}]
+
+# Naming rules
+
+dotnet_naming_rule.types_and_namespaces_should_be_pascalcase.severity = suggestion
+dotnet_naming_rule.types_and_namespaces_should_be_pascalcase.symbols = types_and_namespaces
+dotnet_naming_rule.types_and_namespaces_should_be_pascalcase.style = pascalcase
+
+dotnet_naming_rule.interfaces_should_be_ipascalcase.severity = suggestion
+dotnet_naming_rule.interfaces_should_be_ipascalcase.symbols = interfaces
+dotnet_naming_rule.interfaces_should_be_ipascalcase.style = ipascalcase
+
+dotnet_naming_rule.type_parameters_should_be_tpascalcase.severity = suggestion
+dotnet_naming_rule.type_parameters_should_be_tpascalcase.symbols = type_parameters
+dotnet_naming_rule.type_parameters_should_be_tpascalcase.style = tpascalcase
+
+dotnet_naming_rule.methods_should_be_pascalcase.severity = suggestion
+dotnet_naming_rule.methods_should_be_pascalcase.symbols = methods
+dotnet_naming_rule.methods_should_be_pascalcase.style = pascalcase
+
+dotnet_naming_rule.properties_should_be_pascalcase.severity = suggestion
+dotnet_naming_rule.properties_should_be_pascalcase.symbols = properties
+dotnet_naming_rule.properties_should_be_pascalcase.style = pascalcase
+
+dotnet_naming_rule.events_should_be_pascalcase.severity = suggestion
+dotnet_naming_rule.events_should_be_pascalcase.symbols = events
+dotnet_naming_rule.events_should_be_pascalcase.style = pascalcase
+
+dotnet_naming_rule.local_variables_should_be_camelcase.severity = suggestion
+dotnet_naming_rule.local_variables_should_be_camelcase.symbols = local_variables
+dotnet_naming_rule.local_variables_should_be_camelcase.style = camelcase
+
+dotnet_naming_rule.local_constants_should_be_camelcase.severity = suggestion
+dotnet_naming_rule.local_constants_should_be_camelcase.symbols = local_constants
+dotnet_naming_rule.local_constants_should_be_camelcase.style = camelcase
+
+dotnet_naming_rule.parameters_should_be_camelcase.severity = suggestion
+dotnet_naming_rule.parameters_should_be_camelcase.symbols = parameters
+dotnet_naming_rule.parameters_should_be_camelcase.style = camelcase
+
+dotnet_naming_rule.public_fields_should_be_pascalcase.severity = suggestion
+dotnet_naming_rule.public_fields_should_be_pascalcase.symbols = public_fields
+dotnet_naming_rule.public_fields_should_be_pascalcase.style = pascalcase
+
+dotnet_naming_rule.private_fields_should_be__camelcase.severity = suggestion
+dotnet_naming_rule.private_fields_should_be__camelcase.symbols = private_fields
+dotnet_naming_rule.private_fields_should_be__camelcase.style = _camelcase
+
+dotnet_naming_rule.private_static_fields_should_be_s_camelcase.severity = suggestion
+dotnet_naming_rule.private_static_fields_should_be_s_camelcase.symbols = private_static_fields
+dotnet_naming_rule.private_static_fields_should_be_s_camelcase.style = s_camelcase
+
+dotnet_naming_rule.public_constant_fields_should_be_pascalcase.severity = suggestion
+dotnet_naming_rule.public_constant_fields_should_be_pascalcase.symbols = public_constant_fields
+dotnet_naming_rule.public_constant_fields_should_be_pascalcase.style = pascalcase
+
+dotnet_naming_rule.private_constant_fields_should_be_pascalcase.severity = suggestion
+dotnet_naming_rule.private_constant_fields_should_be_pascalcase.symbols = private_constant_fields
+dotnet_naming_rule.private_constant_fields_should_be_pascalcase.style = pascalcase
+
+dotnet_naming_rule.public_static_readonly_fields_should_be_pascalcase.severity = suggestion
+dotnet_naming_rule.public_static_readonly_fields_should_be_pascalcase.symbols = public_static_readonly_fields
+dotnet_naming_rule.public_static_readonly_fields_should_be_pascalcase.style = pascalcase
+
+dotnet_naming_rule.private_static_readonly_fields_should_be_pascalcase.severity = suggestion
+dotnet_naming_rule.private_static_readonly_fields_should_be_pascalcase.symbols = private_static_readonly_fields
+dotnet_naming_rule.private_static_readonly_fields_should_be_pascalcase.style = pascalcase
+
+dotnet_naming_rule.enums_should_be_pascalcase.severity = suggestion
+dotnet_naming_rule.enums_should_be_pascalcase.symbols = enums
+dotnet_naming_rule.enums_should_be_pascalcase.style = pascalcase
+
+dotnet_naming_rule.local_functions_should_be_pascalcase.severity = suggestion
+dotnet_naming_rule.local_functions_should_be_pascalcase.symbols = local_functions
+dotnet_naming_rule.local_functions_should_be_pascalcase.style = pascalcase
+
+dotnet_naming_rule.non_field_members_should_be_pascalcase.severity = suggestion
+dotnet_naming_rule.non_field_members_should_be_pascalcase.symbols = non_field_members
+dotnet_naming_rule.non_field_members_should_be_pascalcase.style = pascalcase
+
+# Symbol specifications
+
+dotnet_naming_symbols.interfaces.applicable_kinds = interface
+dotnet_naming_symbols.interfaces.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
+dotnet_naming_symbols.interfaces.required_modifiers = 
+
+dotnet_naming_symbols.enums.applicable_kinds = enum
+dotnet_naming_symbols.enums.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
+dotnet_naming_symbols.enums.required_modifiers = 
+
+dotnet_naming_symbols.events.applicable_kinds = event
+dotnet_naming_symbols.events.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
+dotnet_naming_symbols.events.required_modifiers = 
+
+dotnet_naming_symbols.methods.applicable_kinds = method
+dotnet_naming_symbols.methods.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
+dotnet_naming_symbols.methods.required_modifiers = 
+
+dotnet_naming_symbols.properties.applicable_kinds = property
+dotnet_naming_symbols.properties.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
+dotnet_naming_symbols.properties.required_modifiers = 
+
+dotnet_naming_symbols.public_fields.applicable_kinds = field
+dotnet_naming_symbols.public_fields.applicable_accessibilities = public, internal
+dotnet_naming_symbols.public_fields.required_modifiers = 
+
+dotnet_naming_symbols.private_fields.applicable_kinds = field
+dotnet_naming_symbols.private_fields.applicable_accessibilities = private, protected, protected_internal, private_protected
+dotnet_naming_symbols.private_fields.required_modifiers = 
+
+dotnet_naming_symbols.private_static_fields.applicable_kinds = field
+dotnet_naming_symbols.private_static_fields.applicable_accessibilities = private, protected, protected_internal, private_protected
+dotnet_naming_symbols.private_static_fields.required_modifiers = static
+
+dotnet_naming_symbols.types_and_namespaces.applicable_kinds = namespace, class, struct, interface, enum
+dotnet_naming_symbols.types_and_namespaces.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
+dotnet_naming_symbols.types_and_namespaces.required_modifiers = 
+
+dotnet_naming_symbols.non_field_members.applicable_kinds = property, event, method
+dotnet_naming_symbols.non_field_members.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
+dotnet_naming_symbols.non_field_members.required_modifiers = 
+
+dotnet_naming_symbols.type_parameters.applicable_kinds = namespace
+dotnet_naming_symbols.type_parameters.applicable_accessibilities = *
+dotnet_naming_symbols.type_parameters.required_modifiers = 
+
+dotnet_naming_symbols.private_constant_fields.applicable_kinds = field
+dotnet_naming_symbols.private_constant_fields.applicable_accessibilities = private, protected, protected_internal, private_protected
+dotnet_naming_symbols.private_constant_fields.required_modifiers = const
+
+dotnet_naming_symbols.local_variables.applicable_kinds = local
+dotnet_naming_symbols.local_variables.applicable_accessibilities = local
+dotnet_naming_symbols.local_variables.required_modifiers = 
+
+dotnet_naming_symbols.local_constants.applicable_kinds = local
+dotnet_naming_symbols.local_constants.applicable_accessibilities = local
+dotnet_naming_symbols.local_constants.required_modifiers = const
+
+dotnet_naming_symbols.parameters.applicable_kinds = parameter
+dotnet_naming_symbols.parameters.applicable_accessibilities = *
+dotnet_naming_symbols.parameters.required_modifiers = 
+
+dotnet_naming_symbols.public_constant_fields.applicable_kinds = field
+dotnet_naming_symbols.public_constant_fields.applicable_accessibilities = public, internal
+dotnet_naming_symbols.public_constant_fields.required_modifiers = const
+
+dotnet_naming_symbols.public_static_readonly_fields.applicable_kinds = field
+dotnet_naming_symbols.public_static_readonly_fields.applicable_accessibilities = public, internal
+dotnet_naming_symbols.public_static_readonly_fields.required_modifiers = readonly, static
+
+dotnet_naming_symbols.private_static_readonly_fields.applicable_kinds = field
+dotnet_naming_symbols.private_static_readonly_fields.applicable_accessibilities = private, protected, protected_internal, private_protected
+dotnet_naming_symbols.private_static_readonly_fields.required_modifiers = readonly, static
+
+dotnet_naming_symbols.local_functions.applicable_kinds = local_function
+dotnet_naming_symbols.local_functions.applicable_accessibilities = *
+dotnet_naming_symbols.local_functions.required_modifiers = 
+
+# Naming styles
+
+dotnet_naming_style.pascalcase.required_prefix = 
+dotnet_naming_style.pascalcase.required_suffix = 
+dotnet_naming_style.pascalcase.word_separator = 
+dotnet_naming_style.pascalcase.capitalization = pascal_case
+
+dotnet_naming_style.ipascalcase.required_prefix = I
+dotnet_naming_style.ipascalcase.required_suffix = 
+dotnet_naming_style.ipascalcase.word_separator = 
+dotnet_naming_style.ipascalcase.capitalization = pascal_case
+
+dotnet_naming_style.tpascalcase.required_prefix = T
+dotnet_naming_style.tpascalcase.required_suffix = 
+dotnet_naming_style.tpascalcase.word_separator = 
+dotnet_naming_style.tpascalcase.capitalization = pascal_case
+
+dotnet_naming_style._camelcase.required_prefix = _
+dotnet_naming_style._camelcase.required_suffix = 
+dotnet_naming_style._camelcase.word_separator = 
+dotnet_naming_style._camelcase.capitalization = camel_case
+
+dotnet_naming_style.camelcase.required_prefix = 
+dotnet_naming_style.camelcase.required_suffix = 
+dotnet_naming_style.camelcase.word_separator = 
+dotnet_naming_style.camelcase.capitalization = camel_case
+
+dotnet_naming_style.s_camelcase.required_prefix = s_
+dotnet_naming_style.s_camelcase.required_suffix = 
+dotnet_naming_style.s_camelcase.word_separator = 
+dotnet_naming_style.s_camelcase.capitalization = camel_case
+

ChildWorker/ChildWorker.csproj

@@ -1,14 +1,19 @@
 <Project Sdk="Microsoft.NET.Sdk">
-
   <ItemGroup>
     <ProjectReference Include="..\CommIpc\CommIpc.csproj" />
   </ItemGroup>
 
+  <ItemGroup>
+    <PackageReference Include="CSharpier.MsBuild" Version="1.2.5">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+  </ItemGroup>
+
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFramework>net10.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
-
 </Project>

ChildWorker/Program.cs

@@ -39,11 +39,7 @@ Console.CancelKeyPress += (_, e) =>
     appCts.Cancel();
 };
 
-using var pipe = new NamedPipeClientStream(
+using var pipe = new NamedPipeClientStream(serverName: ".", pipeName: pipeName, direction: PipeDirection.InOut, options: PipeOptions.Asynchronous);
-    serverName: ".",
-    pipeName: pipeName,
-    direction: PipeDirection.InOut,
-    options: PipeOptions.Asynchronous);
 
 await pipe.ConnectAsync(appCts.Token);
 
@@ -62,10 +58,9 @@ async Task SendAsync(IpcFrame frame, CancellationToken ct)
 }
 
 await SendAsync(
-    new IpcFrame(
+    new IpcFrame(Kind: IpcKinds.Hello, Payload: IpcProtocol.ToJsonElement(new { childId = childId.Value, pid = Environment.ProcessId })),
-        Kind: IpcKinds.Hello,
+    appCts.Token
-        Payload: IpcProtocol.ToJsonElement(new { childId = childId.Value, pid = Environment.ProcessId })),
+);
-    appCts.Token);
 
 CancellationTokenSource? workCts = null;
 Task? workTask = null;
@@ -102,12 +97,17 @@ async Task StartWorkAsync(string correlationId, int steps, int delayMs, Cancella
     workCts = CancellationTokenSource.CreateLinkedTokenSource(ct);
     var wct = workCts.Token;
 
-    workTask = Task.Run(async () =>
+    workTask = Task.Run(
+        async () =>
         {
-        await SendAsync(new IpcFrame(
+            await SendAsync(
+                new IpcFrame(
                     Kind: IpcKinds.Log,
                     CorrelationId: correlationId,
-            Payload: IpcProtocol.ToJsonElement(new { level = "info", message = $"Child {childId}: work started ({steps} steps)." })), wct);
+                    Payload: IpcProtocol.ToJsonElement(new { level = "info", message = $"Child {childId}: work started ({steps} steps)." })
+                ),
+                wct
+            );
 
             for (int i = 1; i <= steps; i++)
             {
@@ -115,25 +115,46 @@ async Task StartWorkAsync(string correlationId, int steps, int delayMs, Cancella
                 await Task.Delay(delayMs, wct);
 
                 double percent = (i * 100.0) / steps;
-            await SendAsync(new IpcFrame(
+                await SendAsync(
+                    new IpcFrame(
                         Kind: IpcKinds.Progress,
                         CorrelationId: correlationId,
-                Payload: IpcProtocol.ToJsonElement(new { step = i, total = steps, percent })), wct);
+                        Payload: IpcProtocol.ToJsonElement(
+                            new
+                            {
+                                step = i,
+                                total = steps,
+                                percent,
+                            }
+                        )
+                    ),
+                    wct
+                );
 
                 if (i % Math.Max(1, steps / 5) == 0)
                 {
-                await SendAsync(new IpcFrame(
+                    await SendAsync(
+                        new IpcFrame(
                             Kind: IpcKinds.Log,
                             CorrelationId: correlationId,
-                    Payload: IpcProtocol.ToJsonElement(new { level = "debug", message = $"Child {childId}: reached step {i}/{steps}." })), wct);
+                            Payload: IpcProtocol.ToJsonElement(new { level = "debug", message = $"Child {childId}: reached step {i}/{steps}." })
+                        ),
+                        wct
+                    );
                 }
             }
 
-        await SendAsync(new IpcFrame(
+            await SendAsync(
+                new IpcFrame(
                     Kind: IpcKinds.Result,
                     CorrelationId: correlationId,
-            Payload: IpcProtocol.ToJsonElement(new { message = $"Child {childId}: work finished." })), wct);
+                    Payload: IpcProtocol.ToJsonElement(new { message = $"Child {childId}: work finished." })
-    }, wct);
+                ),
+                wct
+            );
+        },
+        wct
+    );
 }
 
 try
@@ -149,10 +170,10 @@ try
         switch (frame.Kind)
         {
             case IpcKinds.Ping:
-                await SendAsync(new IpcFrame(
+                await SendAsync(
-                    Kind: IpcKinds.Pong,
+                    new IpcFrame(Kind: IpcKinds.Pong, CorrelationId: frame.CorrelationId, Payload: IpcProtocol.ToJsonElement(new { childId = childId.Value })),
-                    CorrelationId: frame.CorrelationId,
+                    appCts.Token
-                    Payload: IpcProtocol.ToJsonElement(new { childId = childId.Value })), appCts.Token);
+                );
                 break;
 
             case IpcKinds.StartWork:
@@ -165,17 +186,25 @@ try
 
             case IpcKinds.CancelWork:
                 await CancelWorkAsync();
-                await SendAsync(new IpcFrame(
+                await SendAsync(
+                    new IpcFrame(
                         Kind: IpcKinds.Log,
                         CorrelationId: frame.CorrelationId ?? currentWorkCorrelationId,
-                    Payload: IpcProtocol.ToJsonElement(new { level = "info", message = $"Child {childId}: work cancelled." })), appCts.Token);
+                        Payload: IpcProtocol.ToJsonElement(new { level = "info", message = $"Child {childId}: work cancelled." })
+                    ),
+                    appCts.Token
+                );
                 break;
 
             default:
-                await SendAsync(new IpcFrame(
+                await SendAsync(
+                    new IpcFrame(
                         Kind: IpcKinds.Error,
                         CorrelationId: frame.CorrelationId,
-                    Payload: IpcProtocol.ToJsonElement(new { message = $"Unknown command kind '{frame.Kind}'." })), appCts.Token);
+                        Payload: IpcProtocol.ToJsonElement(new { message = $"Unknown command kind '{frame.Kind}'." })
+                    ),
+                    appCts.Token
+                );
                 break;
         }
     }

CommIpc/Class1.cs

@@ -1,6 +0,0 @@
-namespace CommIpc;
-
-public class Class1
-{
-
-}

CommIpc/CommIpc.csproj

@@ -1,9 +1,14 @@
 <Project Sdk="Microsoft.NET.Sdk">
-
   <PropertyGroup>
     <TargetFramework>net10.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="CSharpier.MsBuild" Version="1.2.5">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+  </ItemGroup>
 </Project>

CommIpc/IpcFrame.cs

@@ -7,9 +7,4 @@ namespace CommIpc;
 ///
 /// Transport framing: 4-byte little-endian length prefix + UTF-8 JSON bytes.
 /// </summary>
-public sealed record IpcFrame(
+public sealed record IpcFrame(string Kind, string? CorrelationId = null, JsonElement? Payload = null, DateTimeOffset? Timestamp = null);
-    string Kind,
-    string? CorrelationId = null,
-    JsonElement? Payload = null,
-    DateTimeOffset? Timestamp = null
-);

CommIpc/IpcJson.cs

@@ -4,9 +4,5 @@ namespace CommIpc;
 
 internal static class IpcJson
 {
-    public static readonly JsonSerializerOptions Options = new()
+    public static readonly JsonSerializerOptions Options = new() { PropertyNamingPolicy = JsonNamingPolicy.CamelCase, WriteIndented = false };
-    {
-        PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
-        WriteIndented = false
-    };
 }

CommIpc/IpcProtocol.cs

@@ -8,10 +8,7 @@ public static class IpcProtocol
     // Keep the prototype safe from accidental runaway memory usage.
     public const int DefaultMaxFrameBytes = 4 * 1024 * 1024; // 4 MiB
 
-    public static async Task WriteFrameAsync(
+    public static async Task WriteFrameAsync(Stream stream, IpcFrame frame, CancellationToken cancellationToken = default)
-        Stream stream,
-        IpcFrame frame,
-        CancellationToken cancellationToken = default)
     {
         // Always include a timestamp if the sender didn't set one.
         if (frame.Timestamp is null)
@@ -32,10 +29,7 @@ public static class IpcProtocol
         await stream.FlushAsync(cancellationToken).ConfigureAwait(false);
     }
 
-    public static async Task<IpcFrame?> ReadFrameAsync(
+    public static async Task<IpcFrame?> ReadFrameAsync(Stream stream, int maxFrameBytes = DefaultMaxFrameBytes, CancellationToken cancellationToken = default)
-        Stream stream,
-        int maxFrameBytes = DefaultMaxFrameBytes,
-        CancellationToken cancellationToken = default)
     {
         byte[] header = ArrayPool<byte>.Shared.Rent(4);
         try
@@ -50,10 +44,7 @@ public static class IpcProtocol
                 throw new EndOfStreamException("Unexpected end of stream while reading frame header.");
             }
 
-            int len = header[0]
+            int len = header[0] | (header[1] << 8) | (header[2] << 16) | (header[3] << 24);
-                    | (header[1] << 8)
-                    | (header[2] << 16)
-                    | (header[3] << 24);
 
             if (len < 0)
             {
@@ -106,18 +97,12 @@ public static class IpcProtocol
         return element.Value.Deserialize<T>(IpcJson.Options);
     }
 
-    private static async Task<int> ReadExactOrEofAsync(
+    private static async Task<int> ReadExactOrEofAsync(Stream stream, byte[] buffer, int offset, int count, CancellationToken cancellationToken)
-        Stream stream,
-        byte[] buffer,
-        int offset,
-        int count,
-        CancellationToken cancellationToken)
     {
         int total = 0;
         while (total < count)
         {
-            int n = await stream.ReadAsync(buffer.AsMemory(offset + total, count - total), cancellationToken)
+            int n = await stream.ReadAsync(buffer.AsMemory(offset + total, count - total), cancellationToken).ConfigureAwait(false);
-                .ConfigureAwait(false);
             if (n == 0)
             {
                 return total; // EOF

CommTester.slnx

@@ -1,4 +1,7 @@
 <Solution>
+  <Folder Name="/SolutionFolder/">
+    <File Path=".editorconfig" />
+  </Folder>
   <Project Path="ChildWorker/ChildWorker.csproj" />
   <Project Path="CommIpc/CommIpc.csproj" />
   <Project Path="ParentAvalonia/ParentAvalonia.csproj" />

ParentAvalonia/ChildSession.cs

@@ -118,10 +118,26 @@ public sealed class ChildSession : NotifyBase, IAsyncDisposable
         }
         catch { }
 
-        try { Pipe.Dispose(); } catch { }
+        try
-        try { Process.Dispose(); } catch { }
+        {
-        try { LifetimeCts.Dispose(); } catch { }
+            Pipe.Dispose();
-        try { _writeLock.Dispose(); } catch { }
+        }
+        catch { }
+        try
+        {
+            Process.Dispose();
+        }
+        catch { }
+        try
+        {
+            LifetimeCts.Dispose();
+        }
+        catch { }
+        try
+        {
+            _writeLock.Dispose();
+        }
+        catch { }
 
         await Task.CompletedTask;
     }

ParentAvalonia/MainViewModel.cs

@@ -45,7 +45,8 @@ public sealed class MainViewModel : NotifyBase, IAsyncDisposable
         string corr = Guid.NewGuid().ToString("N");
         await SelectedChild.SendAsync(
             new IpcFrame(IpcKinds.Ping, CorrelationId: corr, Payload: IpcProtocol.ToJsonElement(new { from = "parent" })),
-            SelectedChild.LifetimeCts.Token);
+            SelectedChild.LifetimeCts.Token
+        );
 
         SelectedChild.AddLog($"[parent] -> ping ({corr})");
     }
@@ -62,11 +63,9 @@ public sealed class MainViewModel : NotifyBase, IAsyncDisposable
         SelectedChild.ProgressPercent = 0;
 
         await SelectedChild.SendAsync(
-            new IpcFrame(
+            new IpcFrame(IpcKinds.StartWork, CorrelationId: corr, Payload: IpcProtocol.ToJsonElement(new { steps, delayMs })),
-                IpcKinds.StartWork,
+            SelectedChild.LifetimeCts.Token
-                CorrelationId: corr,
+        );
-                Payload: IpcProtocol.ToJsonElement(new { steps, delayMs })),
-            SelectedChild.LifetimeCts.Token);
 
         SelectedChild.AddLog($"[parent] -> startWork (corr={corr}, steps={steps}, delayMs={delayMs})");
     }
@@ -79,9 +78,7 @@ public sealed class MainViewModel : NotifyBase, IAsyncDisposable
         }
 
         string corr = SelectedChild.CurrentWorkId ?? Guid.NewGuid().ToString("N");
-        await SelectedChild.SendAsync(
+        await SelectedChild.SendAsync(new IpcFrame(IpcKinds.CancelWork, CorrelationId: corr), SelectedChild.LifetimeCts.Token);
-            new IpcFrame(IpcKinds.CancelWork, CorrelationId: corr),
-            SelectedChild.LifetimeCts.Token);
 
         SelectedChild.AddLog($"[parent] -> cancelWork (corr={corr})");
     }
@@ -94,7 +91,8 @@ public sealed class MainViewModel : NotifyBase, IAsyncDisposable
             direction: PipeDirection.InOut,
             maxNumberOfServerInstances: 1,
             transmissionMode: PipeTransmissionMode.Byte,
-            options: PipeOptions.Asynchronous);
+            options: PipeOptions.Asynchronous
+        );
 
         Task waitForConnection = server.WaitForConnectionAsync(cancellationToken);
 
@@ -124,10 +122,9 @@ public sealed class MainViewModel : NotifyBase, IAsyncDisposable
         string debugDll = Path.Combine(solutionRoot, "ChildWorker", "bin", "Debug", "net10.0", "ChildWorker.dll");
         string releaseDll = Path.Combine(solutionRoot, "ChildWorker", "bin", "Release", "net10.0", "ChildWorker.dll");
 
-        string childDll = File.Exists(debugDll)
+        string childDll =
-            ? debugDll
+            File.Exists(debugDll) ? debugDll
-            : File.Exists(releaseDll)
+            : File.Exists(releaseDll) ? releaseDll
-                ? releaseDll
             : string.Empty;
 
         string fileName;
@@ -150,7 +147,7 @@ public sealed class MainViewModel : NotifyBase, IAsyncDisposable
             FileName = fileName,
             Arguments = arguments,
             UseShellExecute = false,
-            CreateNoWindow = true
+            CreateNoWindow = true,
         };
 
         var p = new Process { StartInfo = psi, EnableRaisingEvents = true };
@@ -268,15 +265,23 @@ public sealed class MainViewModel : NotifyBase, IAsyncDisposable
 
         foreach (var child in Children.ToArray())
         {
-            try { await child.DisposeAsync(); } catch { }
+            try
+            {
+                await child.DisposeAsync();
+            }
+            catch { }
         }
 
         _shutdownCts.Dispose();
     }
 
     private sealed record HelloPayload(int ChildId, int Pid);
+
     private sealed record LogPayload(string Level, string Message);
+
     private sealed record ProgressPayload(int Step, int Total, double Percent);
+
     private sealed record ResultPayload(string Message);
+
     private sealed record ErrorPayload(string Message);
 }

ParentAvalonia/MainWindow.axaml.cs

@@ -15,32 +15,60 @@ public partial class MainWindow : Window
 
         Closed += async (_, __) =>
         {
-            try { await _vm.DisposeAsync(); } catch { }
+            try
+            {
+                await _vm.DisposeAsync();
+            }
+            catch { }
         };
     }
 
     private async void StartChildren_Click(object? sender, RoutedEventArgs e)
     {
-        try { await _vm.StartChildrenAsync(count: 3); }
+        try
-        catch (Exception ex) { await MessageBoxAsync(ex.Message); }
+        {
+            await _vm.StartChildrenAsync(count: 3);
+        }
+        catch (Exception ex)
+        {
+            await MessageBoxAsync(ex.Message);
+        }
     }
 
     private async void PingSelected_Click(object? sender, RoutedEventArgs e)
     {
-        try { await _vm.PingSelectedAsync(); }
+        try
-        catch (Exception ex) { await MessageBoxAsync(ex.Message); }
+        {
+            await _vm.PingSelectedAsync();
+        }
+        catch (Exception ex)
+        {
+            await MessageBoxAsync(ex.Message);
+        }
     }
 
     private async void StartWork_Click(object? sender, RoutedEventArgs e)
     {
-        try { await _vm.StartWorkSelectedAsync(); }
+        try
-        catch (Exception ex) { await MessageBoxAsync(ex.Message); }
+        {
+            await _vm.StartWorkSelectedAsync();
+        }
+        catch (Exception ex)
+        {
+            await MessageBoxAsync(ex.Message);
+        }
     }
 
     private async void CancelWork_Click(object? sender, RoutedEventArgs e)
     {
-        try { await _vm.CancelWorkSelectedAsync(); }
+        try
-        catch (Exception ex) { await MessageBoxAsync(ex.Message); }
+        {
+            await _vm.CancelWorkSelectedAsync();
+        }
+        catch (Exception ex)
+        {
+            await MessageBoxAsync(ex.Message);
+        }
     }
 
     private async Task MessageBoxAsync(string message)
@@ -61,10 +89,10 @@ public partial class MainWindow : Window
                     {
                         HorizontalAlignment = Avalonia.Layout.HorizontalAlignment.Right,
                         Content = "OK",
-                        IsDefault = true
+                        IsDefault = true,
-                    }
+                    },
-                }
+                },
-            }
+            },
         };
 
         if (dlg.Content is StackPanel sp && sp.Children.LastOrDefault() is Button ok)

ParentAvalonia/NotifyBase.cs

@@ -7,8 +7,8 @@ public abstract class NotifyBase : INotifyPropertyChanged
 {
     public event PropertyChangedEventHandler? PropertyChanged;
 
-    protected void OnPropertyChanged([CallerMemberName] string? propertyName = null)
+    protected void OnPropertyChanged([CallerMemberName] string? propertyName = null) =>
-        => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
 
     protected bool SetField<T>(ref T field, T value, [CallerMemberName] string? propertyName = null)
     {

ParentAvalonia/ParentAvalonia.csproj

@@ -19,6 +19,10 @@
       <IncludeAssets Condition="'$(Configuration)' != 'Debug'">None</IncludeAssets>
       <PrivateAssets Condition="'$(Configuration)' != 'Debug'">All</PrivateAssets>
     </PackageReference>
+    <PackageReference Include="CSharpier.MsBuild" Version="1.2.5">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
   </ItemGroup>
 
   <ItemGroup>

ParentAvalonia/Program.cs

@@ -1,5 +1,5 @@
-using Avalonia;
+using System;
-using System;
+using Avalonia;
 
 namespace ParentAvalonia;
 
@@ -9,13 +9,8 @@ class Program
     // SynchronizationContext-reliant code before AppMain is called: things aren't initialized
     // yet and stuff might break.
     [STAThread]
-    public static void Main(string[] args) => BuildAvaloniaApp()
+    public static void Main(string[] args) => BuildAvaloniaApp().StartWithClassicDesktopLifetime(args);
-        .StartWithClassicDesktopLifetime(args);
 
     // Avalonia configuration, don't remove; also used by visual designer.
-    public static AppBuilder BuildAvaloniaApp()
+    public static AppBuilder BuildAvaloniaApp() => AppBuilder.Configure<App>().UsePlatformDetect().WithInterFont().LogToTrace();
-        => AppBuilder.Configure<App>()
-            .UsePlatformDetect()
-            .WithInterFont()
-            .LogToTrace();
 }