Formatting improvements

integrationtests/fixtures/snapshots/go/diagnostics/dependency.snap

@@ -1,34 +1,12 @@
-===
+---
+
 /TEST_OUTPUT/workspace/consumer.go
-Location: Line 7, Column 28
-Message: not enough arguments in call to HelperFunction
+Diagnostics in File: 1
+ERROR at L7:C28: not enough arguments in call to HelperFunction
 	have ()
-	want (int)
-Source: compiler
-Code: WrongArgCount
-===
+	want (int) (Source: compiler, Code: WrongArgCount)
+
  6|func ConsumerFunction() {
  7|	message := HelperFunction()
  8|	fmt.Println(message)
  9|
-10|	// Use shared struct
-11|	s := &SharedStruct{
-12|		ID:        1,
-13|		Name:      "test",
-14|		Value:     42.0,
-15|		Constants: []string{SharedConstant},
-16|	}
-17|
-18|	// Call methods on the struct
-19|	fmt.Println(s.Method())
-20|	s.Process()
-21|
-22|	// Use shared interface
-23|	var iface SharedInterface = s
-24|	fmt.Println(iface.GetName())
-25|
-26|	// Use shared type
-27|	var t SharedType = 100
-28|	fmt.Println(t)
-29|}
-

integrationtests/fixtures/snapshots/go/diagnostics/unreachable.snap

@@ -1,24 +1,11 @@
-===
-/TEST_OUTPUT/workspace/main.go
-Location: Line 8, Column 2
-Message: unreachable code
-Source: unreachable
-Code: default
-===
- 6|func FooBar() string {
- 7|	return "Hello, World!"
- 8|	fmt.Println("Unreachable code") // This is unreachable code
- 9|}
+---
 
-===
 /TEST_OUTPUT/workspace/main.go
-Location: Line 9, Column 1
-Message: missing return
-Source: compiler
-Code: MissingReturn
-===
+Diagnostics in File: 2
+WARNING at L8:C2: unreachable code (Source: unreachable, Code: default)
+ERROR at L9:C1: missing return (Source: compiler, Code: MissingReturn)
+
  6|func FooBar() string {
  7|	return "Hello, World!"
  8|	fmt.Println("Unreachable code") // This is unreachable code
  9|}
-

integrationtests/fixtures/snapshots/python/diagnostics/dependency.snap

@@ -1,18 +1,12 @@
-===
+---
+
 /TEST_OUTPUT/workspace/consumer_clean.py
-Location: Line 9, Column 15
-Message: Argument missing for parameter "age"
-Source: Pyright
-Code: reportCallIssue
-===
+Diagnostics in File: 1
+ERROR at L9:C15: Argument missing for parameter "age" (Source: Pyright, Code: reportCallIssue)
+
  6|def consumer_function() -> None:
  7|    """Function that consumes the helper functions."""
  8|    # Use the helper function
  9|    message = helper_function("World")
 10|    print(message)
 11|
-12|    # Get and process items from the helper
-13|    items = get_items()
-14|    for item in items:
-15|        print(f"Processing {item}")
-

integrationtests/fixtures/snapshots/python/diagnostics/errors.snap

@@ -1,46 +1,26 @@
-===
+---
+
 /TEST_OUTPUT/workspace/error_file.py
-Location: Line 31, Column 12
-Message: Type "Literal[42]" is not assignable to return type "str"
-  "Literal[42]" is not assignable to "str"
-Source: Pyright
-Code: reportReturnType
-===
+Diagnostics in File: 3
+ERROR at L31:C12: Type "Literal[42]" is not assignable to return type "str"
+  "Literal[42]" is not assignable to "str" (Source: Pyright, Code: reportReturnType)
+ERROR at L47:C15: "undefined_variable" is not defined (Source: Pyright, Code: reportUndefinedVariable)
+ERROR at L51:C19: Type "Literal[123]" is not assignable to declared type "str"
+  "Literal[123]" is not assignable to "str" (Source: Pyright, Code: reportAssignmentType)
+
 25|def function_with_type_error() -> str:
-26|    """A function with a type error.
-27|
-28|    Returns:
+...
 29|        Should return a string but actually returns an int
 30|    """
 31|    return 42  # Type error: Incompatible return value type (got "int", expected "str")
-
-===
-/TEST_OUTPUT/workspace/error_file.py
-Location: Line 47, Column 15
-Message: "undefined_variable" is not defined
-Source: Pyright
-Code: reportUndefinedVariable
-===
+...
 34|class ErrorClass:
-35|    """A class with errors."""
-36|
-37|    def __init__(self, value: dict[str, Any]):
-38|        """Initialize with errors.
-39|
-40|        Args:
-41|            value: A dictionary
-42|        """
-43|        self.value = value
-44|
+...
 45|    def method_with_undefined_variable(self) -> None:
 46|        """A method that uses an undefined variable."""
 47|        print(undefined_variable)  # Error: undefined_variable is not defined
-
-===
-/TEST_OUTPUT/workspace/error_file.py
-Location: Line 51, Column 19
-Message: Type "Literal[123]" is not assignable to declared type "str"
-  "Literal[123]" is not assignable to "str"
-Source: Pyright
-Code: reportAssignmentType
-===
+...
+49|
+50|# Variable with incompatible type annotation
+51|wrong_type: str = 123  # Type error: Incompatible types in assignment
+52|

integrationtests/fixtures/snapshots/python/references/class-method.snap

@@ -1,12 +1,11 @@
-===
+---
+
 /TEST_OUTPUT/workspace/another_consumer.py
 References in File: 1
-===
-Reference at Line 40, Column 19:
+At: L40:C19
+
 31|def another_consumer_function() -> None:
-32|    """Another function that uses various shared components."""
-33|    # Use shared constants
-34|    print(f"Using constant: {SHARED_CONSTANT}")
+...
 35|    
 36|    # Use shared class with a different type parameter
 37|    shared = SharedClass[float]("another example", 3.14)
@@ -18,30 +17,15 @@ Reference at Line 40, Column 19:
 43|    
 44|    # Use our own implementation
 45|    impl = AnotherImplementation()
-46|    result = impl.do_something()
-47|    print(f"Implementation result: {result}")
-48|    
-49|    # Use helper function
-50|    output = helper_function("another direct call")
-51|    print(f"Helper output: {output}")
-52|    
-53|    # Use enum-like class with a different color
-54|    color = Color.GREEN
-55|    print(f"Selected color: {color}")
 
-===
+---
+
 /TEST_OUTPUT/workspace/consumer.py
 References in File: 1
-===
-Reference at Line 47, Column 41:
+At: L47:C41
+
 34|def consumer_function() -> None:
-35|    """Function that consumes the helper functions."""
-36|    # Use the helper function
-37|    message = helper_function("World")
-38|    print(message)
-39|
-40|    # Get and process items from the helper
-41|    items = get_items()
+...
 42|    for item in items:
 43|        print(f"Processing {item}")
 44|
@@ -53,8 +37,3 @@ Reference at Line 47, Column 41:
 50|    impl = MyImplementation()
 51|    result = impl.process(items)
 52|    print(f"Processed items: {result}")
-53|
-54|    # Use the enum
-55|    color = Color.RED
-56|    print(f"Selected color: {color}")
-

integrationtests/fixtures/snapshots/python/references/color-enum.snap

@@ -1,26 +1,23 @@
-===
+---
+
 /TEST_OUTPUT/workspace/another_consumer.py
 References in File: 2
-===
-Reference at Line 54, Column 13:
+At: L7:C5, L54:C13
+
+ 2|
+ 3|from helper import (
+ 4|    SHARED_CONSTANT,
+ 5|    SharedClass,
+ 6|    helper_function,
+ 7|    Color,
+ 8|)
+ 9|
+10|
+11|class AnotherImplementation:
+12|    """A class that uses shared components but doesn't implement interfaces."""
+...
 31|def another_consumer_function() -> None:
-32|    """Another function that uses various shared components."""
-33|    # Use shared constants
-34|    print(f"Using constant: {SHARED_CONSTANT}")
-35|    
-36|    # Use shared class with a different type parameter
-37|    shared = SharedClass[float]("another example", 3.14)
-38|    
-39|    # Use methods from shared class
-40|    name = shared.get_name()
-41|    value = shared.get_value()
-42|    print(f"Name: {name}, Value: {value}")
-43|    
-44|    # Use our own implementation
-45|    impl = AnotherImplementation()
-46|    result = impl.do_something()
-47|    print(f"Implementation result: {result}")
-48|    
+...
 49|    # Use helper function
 50|    output = helper_function("another direct call")
 51|    print(f"Helper output: {output}")
@@ -29,32 +26,30 @@ Reference at Line 54, Column 13:
 54|    color = Color.GREEN
 55|    print(f"Selected color: {color}")
 
-===
+---
+
 /TEST_OUTPUT/workspace/consumer.py
 References in File: 2
-===
-Reference at Line 55, Column 13:
+At: L9:C5, L55:C13
+
+ 4|    helper_function,
+ 5|    get_items,
+ 6|    SharedClass,
+ 7|    SharedInterface,
+ 8|    SHARED_CONSTANT,
+ 9|    Color,
+10|)
+11|
+12|
+13|class MyImplementation(SharedInterface):
+14|    """An implementation of the SharedInterface."""
+...
 34|def consumer_function() -> None:
-35|    """Function that consumes the helper functions."""
-36|    # Use the helper function
-37|    message = helper_function("World")
-38|    print(message)
-39|
-40|    # Get and process items from the helper
-41|    items = get_items()
-42|    for item in items:
-43|        print(f"Processing {item}")
-44|
-45|    # Use the shared class
-46|    shared = SharedClass[str]("consumer", SHARED_CONSTANT)
-47|    print(f"Using shared class: {shared.get_name()} - {shared.get_value()}")
-48|
-49|    # Use our implementation of the shared interface
+...
 50|    impl = MyImplementation()
 51|    result = impl.process(items)
 52|    print(f"Processed items: {result}")
 53|
 54|    # Use the enum
 55|    color = Color.RED
 56|    print(f"Selected color: {color}")
-