fix: make Windows Launcher isolation status informational

.editorconfig

@@ -0,0 +1,285 @@
+root = true
+
+# Repository-wide defaults. `.gitattributes` normalizes tracked text to LF, so
+# `end_of_line` must stay `lf`; otherwise `dotnet format` rewrites files with
+# CRLF and every formatted line shows up as a spurious diff.
+[*]
+charset = utf-8
+end_of_line = lf
+indent_style = space
+indent_size = 4
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.{json,jsonc,yml,yaml}]
+indent_size = 2
+
+[*.md]
+# Markdown uses trailing double-space for hard line breaks.
+trim_trailing_whitespace = false
+
+[*.{appxmanifest,csproj,props,targets,slnx,xml}]
+indent_size = 2
+
+[*.ps1]
+indent_size = 4
+
+[*.cs]
+indent_size = 4
+max_line_length = 100
+
+#### .NET code style ####
+
+# `this.` qualification is not used anywhere in this repository.
+dotnet_style_qualification_for_field = false:error
+dotnet_style_qualification_for_property = false:error
+dotnet_style_qualification_for_method = false:error
+dotnet_style_qualification_for_event = false:error
+
+dotnet_style_predefined_type_for_locals_parameters_members = true:error
+dotnet_style_predefined_type_for_member_access = true:error
+
+dotnet_style_object_initializer = true:suggestion
+dotnet_style_collection_initializer = true:suggestion
+dotnet_style_prefer_auto_properties = true:suggestion
+dotnet_style_explicit_tuple_names = true:error
+dotnet_style_prefer_inferred_tuple_names = true:suggestion
+dotnet_style_prefer_inferred_anonymous_type_member_names = true:suggestion
+# IDE0045/IDE0046: collapsing guard clauses into conditional expressions hurts
+# readability in this codebase, which uses early-return validation throughout.
+dotnet_style_prefer_conditional_expression_over_assignment = false:silent
+dotnet_style_prefer_conditional_expression_over_return = false:silent
+dotnet_style_prefer_compound_assignment = true:error
+dotnet_style_prefer_simplified_boolean_expressions = true:error
+dotnet_style_prefer_simplified_interpolation = true:error
+dotnet_style_null_propagation = true:error
+dotnet_style_coalesce_expression = true:error
+dotnet_style_prefer_is_null_check_over_reference_equality_method = true:error
+dotnet_style_readonly_field = true:error
+dotnet_style_operator_placement_when_wrapping = beginning_of_line
+dotnet_style_namespace_match_folder = true:suggestion
+
+dotnet_style_parentheses_in_arithmetic_binary_operators = always_for_clarity:suggestion
+dotnet_style_parentheses_in_relational_binary_operators = always_for_clarity:suggestion
+dotnet_style_parentheses_in_other_binary_operators = always_for_clarity:suggestion
+dotnet_style_parentheses_in_other_operators = never_if_unnecessary:suggestion
+
+# Accessibility modifiers are written explicitly, except where C# requires
+# them to be omitted (for example interface members).
+dotnet_style_require_accessibility_modifiers = for_non_interface_members:error
+
+#### C# code style ####
+
+# `var` versus explicit types is left to the author. Both forms are idiomatic,
+# this codebase deliberately mixes them, and enforcing either direction is
+# churn that catches no defects.
+csharp_style_var_for_built_in_types = false:silent
+csharp_style_var_when_type_is_apparent = true:silent
+csharp_style_var_elsewhere = false:silent
+
+csharp_style_expression_bodied_methods = when_on_single_line:suggestion
+csharp_style_expression_bodied_constructors = false:suggestion
+csharp_style_expression_bodied_operators = when_on_single_line:suggestion
+csharp_style_expression_bodied_properties = true:suggestion
+csharp_style_expression_bodied_indexers = true:suggestion
+csharp_style_expression_bodied_accessors = true:suggestion
+csharp_style_expression_bodied_lambdas = true:suggestion
+csharp_style_expression_bodied_local_functions = when_on_single_line:suggestion
+
+csharp_style_pattern_matching_over_is_with_cast_check = true:error
+csharp_style_pattern_matching_over_as_with_null_check = true:error
+csharp_style_prefer_not_pattern = true:error
+csharp_style_prefer_pattern_matching = true:suggestion
+csharp_style_prefer_switch_expression = true:suggestion
+csharp_style_prefer_extended_property_pattern = true:suggestion
+
+csharp_style_inlined_variable_declaration = true:error
+csharp_style_deconstructed_variable_declaration = true:suggestion
+# Guard clauses that throw read better than ternary `throw` expressions, and
+# this codebase already uses them consistently.
+csharp_style_throw_expression = false:silent
+csharp_style_conditional_delegate_call = true:error
+csharp_style_prefer_index_operator = true:suggestion
+csharp_style_prefer_range_operator = true:suggestion
+csharp_style_prefer_null_check_over_type_check = true:error
+csharp_style_prefer_tuple_swap = true:suggestion
+csharp_style_prefer_utf8_string_literals = true:suggestion
+csharp_style_prefer_readonly_struct = true:suggestion
+csharp_style_prefer_readonly_struct_member = true:suggestion
+csharp_style_prefer_primary_constructors = false:suggestion
+
+csharp_prefer_simple_using_statement = true:suggestion
+csharp_prefer_static_local_function = true:error
+csharp_prefer_static_anonymous_function = true:suggestion
+csharp_prefer_braces = true:error
+csharp_style_namespace_declarations = file_scoped:error
+csharp_style_prefer_method_group_conversion = true:suggestion
+csharp_style_prefer_top_level_statements = false:suggestion
+# IDE0058: requiring `_ =` on every ignored return value is noise. Ignoring the
+# result of calls such as `Directory.CreateDirectory` is ordinary C#.
+csharp_style_unused_value_expression_statement_preference = discard_variable:silent
+# IDE0059 catches dead stores, which are a real defect signal.
+csharp_style_unused_value_assignment_preference = discard_variable:error
+
+csharp_using_directive_placement = outside_namespace:error
+
+#### C# formatting ####
+
+csharp_new_line_before_open_brace = all
+csharp_new_line_before_else = true
+csharp_new_line_before_catch = true
+csharp_new_line_before_finally = true
+csharp_new_line_before_members_in_object_initializers = true
+csharp_new_line_before_members_in_anonymous_types = true
+csharp_new_line_between_query_expression_clauses = true
+
+csharp_indent_case_contents = true
+csharp_indent_case_contents_when_block = false
+csharp_indent_switch_labels = true
+csharp_indent_labels = one_less_than_current
+csharp_indent_block_contents = true
+csharp_indent_braces = false
+
+csharp_space_after_cast = false
+csharp_space_after_keywords_in_control_flow_statements = true
+csharp_space_between_method_declaration_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_call_parameter_list_parentheses = false
+csharp_space_between_method_call_empty_parameter_list_parentheses = false
+csharp_space_between_method_call_name_and_opening_parenthesis = false
+csharp_space_after_comma = true
+csharp_space_before_comma = false
+csharp_space_after_dot = false
+csharp_space_before_dot = false
+csharp_space_after_semicolon_in_for_statement = true
+csharp_space_before_semicolon_in_for_statement = false
+csharp_space_around_declaration_statements = false
+csharp_space_before_open_square_brackets = false
+csharp_space_between_empty_square_brackets = false
+csharp_space_between_square_brackets = false
+csharp_space_around_binary_operators = before_and_after
+
+csharp_preserve_single_line_statements = false
+csharp_preserve_single_line_blocks = true
+
+#### Naming conventions ####
+
+dotnet_naming_style.pascal_case.capitalization = pascal_case
+dotnet_naming_style.camel_case.capitalization = camel_case
+
+dotnet_naming_style.interface_prefix.capitalization = pascal_case
+dotnet_naming_style.interface_prefix.required_prefix = I
+
+dotnet_naming_style.type_parameter_prefix.capitalization = pascal_case
+dotnet_naming_style.type_parameter_prefix.required_prefix = T
+
+dotnet_naming_style.underscore_camel_case.capitalization = camel_case
+dotnet_naming_style.underscore_camel_case.required_prefix = _
+
+dotnet_naming_symbols.interfaces.applicable_kinds = interface
+dotnet_naming_symbols.interfaces.applicable_accessibilities = *
+
+dotnet_naming_symbols.type_parameters.applicable_kinds = type_parameter
+dotnet_naming_symbols.type_parameters.applicable_accessibilities = *
+
+dotnet_naming_symbols.types_and_members.applicable_kinds = class, struct, enum, property, method, event, delegate, local_function
+dotnet_naming_symbols.types_and_members.applicable_accessibilities = *
+
+dotnet_naming_symbols.constants.applicable_kinds = field
+dotnet_naming_symbols.constants.applicable_accessibilities = *
+dotnet_naming_symbols.constants.required_modifiers = const
+
+dotnet_naming_symbols.static_readonly_fields.applicable_kinds = field
+dotnet_naming_symbols.static_readonly_fields.applicable_accessibilities = *
+dotnet_naming_symbols.static_readonly_fields.required_modifiers = static, readonly
+
+dotnet_naming_symbols.instance_fields.applicable_kinds = field
+dotnet_naming_symbols.instance_fields.applicable_accessibilities = private, private_protected
+
+dotnet_naming_symbols.parameters_and_locals.applicable_kinds = parameter, local
+
+dotnet_naming_rule.interfaces_are_prefixed.symbols = interfaces
+dotnet_naming_rule.interfaces_are_prefixed.style = interface_prefix
+dotnet_naming_rule.interfaces_are_prefixed.severity = error
+
+dotnet_naming_rule.type_parameters_are_prefixed.symbols = type_parameters
+dotnet_naming_rule.type_parameters_are_prefixed.style = type_parameter_prefix
+dotnet_naming_rule.type_parameters_are_prefixed.severity = error
+
+dotnet_naming_rule.constants_are_pascal_case.symbols = constants
+dotnet_naming_rule.constants_are_pascal_case.style = pascal_case
+dotnet_naming_rule.constants_are_pascal_case.severity = error
+
+dotnet_naming_rule.static_readonly_fields_are_pascal_case.symbols = static_readonly_fields
+dotnet_naming_rule.static_readonly_fields_are_pascal_case.style = pascal_case
+dotnet_naming_rule.static_readonly_fields_are_pascal_case.severity = error
+
+dotnet_naming_rule.instance_fields_are_underscore_camel_case.symbols = instance_fields
+dotnet_naming_rule.instance_fields_are_underscore_camel_case.style = underscore_camel_case
+dotnet_naming_rule.instance_fields_are_underscore_camel_case.severity = error
+
+dotnet_naming_rule.parameters_and_locals_are_camel_case.symbols = parameters_and_locals
+dotnet_naming_rule.parameters_and_locals_are_camel_case.style = camel_case
+dotnet_naming_rule.parameters_and_locals_are_camel_case.severity = error
+
+dotnet_naming_rule.types_and_members_are_pascal_case.symbols = types_and_members
+dotnet_naming_rule.types_and_members_are_pascal_case.style = pascal_case
+dotnet_naming_rule.types_and_members_are_pascal_case.severity = error
+
+#### Analyzer severities ####
+#
+# IDE style and naming rules above are errors: the tree is clean of them and
+# CI must reject new drift.
+#
+# The CA rules below are still a known backlog and report as warnings. Later
+# PRs in this stack promote one cohesive family at a time to `error` in the
+# same change that clears it.
+
+# Unnecessary usings. Requires `GenerateDocumentationFile` to run at build time.
+dotnet_diagnostic.IDE0005.severity = error
+
+# Style rules cleared by the formatting layer.
+dotnet_diagnostic.IDE0305.severity = error
+dotnet_diagnostic.IDE0330.severity = error
+
+# Interop and security.
+dotnet_diagnostic.CA5392.severity = error
+dotnet_diagnostic.CA1838.severity = error
+
+# Public contracts and globalization.
+dotnet_diagnostic.CA1062.severity = error
+dotnet_diagnostic.CA1307.severity = error
+dotnet_diagnostic.CA1308.severity = error
+
+# Asynchronous code.
+dotnet_diagnostic.CA2007.severity = error
+dotnet_diagnostic.CA1849.severity = error
+
+# Lifetime and design.
+dotnet_diagnostic.CA2000.severity = error
+dotnet_diagnostic.CA1031.severity = error
+dotnet_diagnostic.CA1515.severity = error
+dotnet_diagnostic.CA1859.severity = error
+
+[tests/**/*.cs]
+# xUnit theory and member data intentionally expose public members, and test
+# names describe scenarios rather than following production naming.
+dotnet_diagnostic.CA1515.severity = none
+
+# A test writes and reads its own fixture files. Synchronous file access keeps
+# arrange and assert readable, and the thread-pool starvation this rule guards
+# against does not apply to a test that owns its whole process.
+dotnet_diagnostic.CA1849.severity = none
+
+# xUnit owns the lifetime of the fixture objects a test constructs, and test
+# doubles that implement IDisposable are disposed by the class fixture.
+dotnet_diagnostic.CA2000.severity = none
+
+# Arguments reaching a test helper come from the test itself, so a null guard
+# would assert against a value the test just wrote.
+dotnet_diagnostic.CA1062.severity = none
+
+# A helper that does not yet touch instance state is still part of the
+# fixture's shape; forcing it static churns tests for no behavioral gain.
+dotnet_diagnostic.CA1822.severity = none