- Refactored `example7_spec`, `example3_spec`, `example8_spec`, and `example11_spec` with improved structure.
- Separated `.call` and `.call!` method tests into distinct sections for clarity.
- Added and updated validation checks for inputs, internals, and outputs.
- Incorporated consistent `be_success_service` matchers for success cases.

- Consolidated and streamlined test cases across multiple specs, including validations for inputs, outputs, and internals.
- Replaced `context` blocks with `describe` for a more structured and consistent test layout.
- Introduced `be_success_service` and `raise_error` matchers in success and failure cases.
- Removed redundancy and enhanced error handling checks to improve maintainability.

- Replaced `context` blocks with `describe` for a more structured test layout.
- Consolidated and updated input, output, and error validation cases.
- Enhanced error handling with detailed expectations (`raise_error` matchers).
- Increased clarity and maintainability of test cases by removing redundancy.
- Applied consistent formatting across multiple `example` specs.

- Reorganized specs for better readability with `describe` blocks replacing `context` blocks.
- Consolidated input, output, and error validation checks into structured sections.
- Enhanced error handling with detailed `raise_error` expectations.
- Applied consistent test formatting across multiple `example` specs for maintainability.
- Improved test clarity by streamlining redundant elements.

- Updated output validation checks to use `have_output(:key).instance_of(Type)` for stronger type checks.
- Added `it_behaves_like "success result class"` to validate successful results.
- Refactored redundant expectations into consistent and maintainable blocks across multiple specs.
- Improved test coverage and readability while maintaining alignment with existing structure.

- Replaced `be_success_service.with_output` with `have_output(:key).instance_of(Type)` for stronger type assertions.
- Introduced and consistently applied `it_behaves_like "success result class"` across specs for enhanced success validation.
- Added structured test cases to differentiate valid and invalid data scenarios for better coverage.
- Refactored redundant expectations into maintainable block statements, aligning with existing test patterns.

- Updated input and output validations to follow consistent block-styled expectations for better maintainability.
- Applied `it_behaves_like 'success result class'` to distinguish valid scenarios and enhance coverage.
- Introduced structured descriptions for invalid inputs, highlighting specific error details (`invoice_number`, etc.).
- Ensured strong type assertions using `have_output(:key).instance_of(Type)` for outputs.
- Improved overall test clarity and alignment with existing patterns across all affected specs.

- Standardized input and output validations with consistent block-styled expectations for better readability.
- Introduced `it_behaves_like 'success result class'` to improve representation of successful scenarios.
- Refactored invalid input cases with clear error descriptions and structured expectations for detailed insights.
- Applied `have_output(:key).instance_of(Type)` for stronger output type assertions and consistency.
- Ensured alignment with existing patterns across affected specs for maintainability and test clarity.

- Standardized input and output validations using block-styled expectations for improved readability.
- Applied `have_output(:key).instance_of(Type)` for stronger type assertions and aligned validation patterns.
- Introduced `it_behaves_like 'success result class'` for enhanced differentiation of successful scenarios.
- Refactored redundant expectations and added structured cases for clear distinction of valid and invalid data.
- Ensured consistency across affected specs, improving maintainability and adherence to existing test patterns.

- Standardized input and output validations with block-styled expectations for improved clarity and maintainability.
- Applied `have_output(:key).instance_of(Type)` for stronger type assertions across specs.
- Added `it_behaves_like "success result class"` to enhance coverage of successful scenarios.
- Consolidated redundant expectations and aligned test structures with existing patterns for better organization.

- Incorporated `it_behaves_like "success result class"` across various examples to improve validation of successful scenarios.
- Ensured consistency and alignment with existing test patterns.
- Strengthened coverage for successful cases, reinforcing overall reliability of the test suite.

- Incorporated `it_behaves_like "success result class"` across multiple specs to validate successful results.
- Strengthened coverage for consistent success scenario testing in dynamic options.
- Ensured alignment with existing test patterns for maintainability and clarity.

- Eliminated unnecessary `# rubocop:disable RSpec/ExampleLength` comments across multiple spec files for cleaner and more maintainable code.
- Refactored block-styled examples in `custom_eq` validations for improved readability and alignment with existing patterns.
- Improved error expectation tests by adding `:aggregate_failures` for better assertion grouping in relevant cases.

- Replaced inline output validations with block-styled expectations for better clarity.
- Introduced `be_success_service.with_output(:key, value)` for precise success scenario validation.
- Aligned test structures with existing patterns, enhancing maintainability.
- Ensured stronger test clarity across all modified spec files.

- Combined nested contexts into a single `describe` block for improved readability.
- Retained `it_behaves_like "success result class"` to validate successful scenarios consistently.
- Added notes to clarify the intentional absence of outputs in the service.
- Commented out redundant expectations with clear explanations for future reference.

- Combined nested `context` and `describe` blocks into a single `describe` for better readability.
- Retained `it_behaves_like "success result class"` for consistent success scenario validation.
- Removed redundant specifications, simplifying error expectations and ensuring a clearer test flow.
- Improved test structure and alignment with existing test patterns across all modified specs.

- Replaced scientific notation (`0.90e2`) with standard numeric representation (`90`) for improved readability and consistency.
- Applied the changes across `example2_spec.rb` and `example3_spec.rb` to ensure uniformity in output formatting.
- Ensured alignment with existing validation patterns and maintained test clarity.

- Rearranged `have_output(:key?).contains(value)` expectations to follow `be_success_service.with_output` checks for improved logical flow.
- Ensured consistent validation order across all modified specs.
- Verified alignment with existing test patterns while preserving clarity and maintainability.

- Replaced inline expectation syntax with block-styled expectations for better readability.
- Ensured consistent formatting of `have_output(:key).contains(value)` checks across all modified specs.
- Improved alignment with existing test patterns, enhancing maintainability and clarity.

- Replaced inline expectation syntax with block-styled expectations for better clarity.
- Ensured uniform formatting of `have_input(:key).valid_with(attributes).type(Type).required/optional` across all modified specs.
- Improved alignment with existing test patterns, enhancing maintainability and readability.

- Updated `context` blocks to `describe` for uniform structure and naming clarity.
- Standardized block-styled expectations across input validations in all affected spec files.
- Ensured consistent formatting for `have_input(:key).valid_with(attributes).type(Type).required/optional`.
- Enhanced alignment with existing test patterns, improving maintainability and readability.

- Replaced `context` blocks with `describe` for standardized structure across spec files.
- Unified formatting of `have_input(:key).valid_with(attributes).type(Type).required/optional` in all affected specs.
- Refactored dynamic options structure for improved maintainability and alignment with existing test patterns.
- Updated `proc` syntax in `dynamic_options/consists_of.rb` for cleaner code.

- Updated block-styled expectations for `have_input(:invoice_numbers)` to improve clarity.
- Ensured uniform formatting and alignment with existing test patterns.
- Improved readability by reformatting nested block structure.

- Standardized block-styled expectations across `have_input` and `have_output` checks.
- Improved readability by reformatting nested and inline structures in validations.
- Ensured consistent alignment with existing test patterns for maintainability.
- Removed redundant validation blocks to eliminate duplication and simplify specs.

- Replaced `proc { it }` with shorthand syntax `proc { _1 }` for cleaner code.
- Improved readability and consistency with modern Ruby practices.
- Maintained alignment with existing patterns in dynamic options.

- Replaced repetitive inline expectations with consolidated `be_success_service.with_output` checks.
- Improved alignment and readability by refactoring output validations across all affected dynamic options examples.
- Ensured consistent formatting and adherence to existing spec patterns for maintainability.

- Consolidated repetitive `expect` assertions into `be_success_service.with_output` for improved readability.
- Replaced inline expectations with block-styled syntax for better alignment with test patterns.
- Applied consistent formatting across all affected specs, including dynamic options for passwords, UUIDs, booleans, durations, and emails.
- Enhanced maintainability by reducing redundancy in validation checks.

- Replaced repetitive expectations with `be_success_service.with_output` for consistency.
- Added missing success checks where needed for clarity.
- Standardized nested and inline expectation styles for better readability.
- Ensured uniform formatting across all affected specs, improving maintainability.

- Removed redundant `have_output(:key?).contains` checks across all affected specs.
- Standardized `be_success_service` expectations by aligning with consistent block-styled syntax.
- Refactored nested `it` blocks into clearer and more maintainable structures.
- Ensured uniform formatting and adherence to test patterns across dynamic options examples.

- Removed unnecessary `have_output(:key?).contains` assertions to simplify and streamline tests.
- Ensured uniform structure by relying on existing `be_success_service.with_output` expectations.
- Improved maintainability and readability by eliminating duplication across dynamic options examples.

- Removed redundant `have_output(:key?).contains` assertions across multiple examples.
- Unified success and output validations by using `be_success_service.with_output` consistently.
- Improved maintainability and readability by eliminating repetitive checks.
- Ensured adherence to existing test patterns and formatting conventions.

- Eliminated unnecessary blank lines within examples and `it` blocks across multiple specs.
- Improved formatting consistency and adherence to existing test structure.
- Enhanced maintainability by reducing visual noise in spec files.

- Eliminated unnecessary `have_output(:key?).contains` assertions across multiple examples.
- Simplified tests by relying on `be_success_service.with_output` for validation.
- Improved readability and maintainability by reducing redundant checks.
- Ensured consistent formatting and adherence to existing test patterns.

- Simplified expectations using `with_outputs` to validate multiple keys in a single block.
- Added `key?` validations alongside output checks for enhanced clarity.
- Replaced repetitive `with_output` calls with unified block-style assertions.
- Ensured adherence to existing formatting and test patterns across all dynamic options examples.
- Improved maintainability and reduced redundancy by consolidating validations.

- Modified `letters` output structure to include nested arrays, ensuring alignment with updated service behavior.
- Retained `desired_letter` and `letters?` validations for consistency.
- Improved readability by removing redundant blank lines in affected examples.

- Eliminated unnecessary blank lines within examples and `it` blocks across various spec files.
- Improved formatting consistency and adherence to existing test structure.
- Enhanced readability and maintainability by reducing visual noise in spec files.

- Moved `input` and `output` validation blocks under a unified `validations` describe block for improved clarity.
- Reorganized validation tests to ensure logical grouping and alignment with existing test patterns.
- Removed duplicate validation blocks to reduce redundancy.
- Improved maintainability and readability with consistent formatting and streamlined expectations.

- Introduced a new `validations` block for `outputs` to ensure proper type checking.
- Added tests to validate that `number` output is an instance of `Integer`.
- Improved spec organization by aligning new validations with existing patterns.
- Enhanced clarity and maintainability of the tests.

- Introduced `validations` blocks with `outputs` checks in dynamic options specs.
- Added type validations for `service_id`, `email`, `boolean`, and other outputs across multiple examples.
- Ensured consistency by aligning new checks with existing test structures.
- Improved maintainability and clarity through streamlined and organized validations.

- Refactored `describe` blocks in dynamic options specs for improved readability and structure.
- Removed redundant nesting by aligning `outputs` checks within appropriate blocks.
- Enhanced maintainability by ensuring consistent formatting and adherence to existing patterns.

- Updated `outputs` blocks to nest directly under `describe` for better structure and readability.
- Consolidated redundant `describe` blocks in various examples to streamline test organization.
- Improved maintainability by adhering to existing patterns and reducing unnecessary nesting.

- Removed redundant `instance_of(String)` checks for `error_message` output.
- Ensured consistency by aligning `outputs` validations with existing patterns.
- Improved maintainability by reducing unnecessary assertions and maintaining clarity.

- Introduced `it_behaves_like "check class info"` to multiple examples for standardizing input, internal, and output validations.
- Aligned new shared examples with existing test patterns for consistency.
- Improved clarity and maintainability by consolidating common validation logic.

- Added new `validations` blocks to ensure consistent `input` and `output` checks for `service_id`, `email`, and related fields across dynamic option examples.
- Introduced type checks and required/optional attribute validations to improve test coverage.
- Consolidated and streamlined test patterns by aligning with existing structure and maintaining consistency.
- Enhanced maintainability and clarity through better-organized validations and reduced redundancy.

- Introduced `.call` and `.call!` methods with structured `validations` for inputs, internals, and outputs in dynamic options specs.
- Added `it_behaves_like "check class info"` to standardize input, internal, and output checks across specs.
- Enhanced error handling tests for invalid `event_name` values (e.g., "sent", "created").
- Reorganized validation blocks to improve readability and maintain consistency with previous patterns.
- Included new `outputs` assertions and success result expectations to align with existing structures.

- Reorganized `validations` blocks to group `inputs`, `internals`, and `outputs` for logical structure.
- Consolidated common expectations, reducing redundancy across spec files.
- Enhanced test clarity by aligning success and failure scenarios under more descriptive `describe` blocks.
- Incorporated additional type validation checks for `outputs` in dynamic options and stage specs.
- Improved consistency by standardizing validations across all related examples.

- Replaced single-line expectations with multi-line `expect` blocks to enhance readability and align with existing patterns.
- Updated `example5_spec` and `example12_spec` to ensure consistency in test formatting and structure.
- Improved maintainability by standardizing expectations across all related examples.