src/utils/testRunner.ts

• Added comprehensive test runner utility with predefined test
scenarios for OpenRouter API
• Implemented load testing capabilities
with concurrent request handling and performance metrics
• Added HTML,
JSON, and CSV report generation functionality with CLI interface

src/services/concurrentTestService.ts

• Created new service for concurrent API testing with semaphore-based
concurrency control
• Implemented load testing, health checks, and
performance metrics calculation
• Added support for multiple model
testing with detailed performance analytics

src/hooks/tests/useTaskManager.test.ts

• Fixed test implementation with proper mock setup and incremental
UUID generation
• Improved test reliability by avoiding complex async
behavior in concurrent tests
• Enhanced test coverage with better
assertion patterns and cleanup

src/utils/tests/storage.test.ts

• Updated test data structures to match new PromptTest and
ChatConversation interfaces
• Fixed property name changes (name→title,
added required fields)
• Aligned test mocks with updated type
definitions

src/services/concurrentTestService.test.ts

• Added unit tests for concurrent test service core functionality
•
Implemented tests for token estimation, metrics calculation, and
service initialization
• Created test coverage for singleton pattern
and basic service operations

src/services/jinjaTemplateEngine.test.ts

• Fixed variable naming conflicts in test cases to avoid shadowing
•
Renamed result variables to renderResult for clarity and uniqueness
•
Improved test readability and eliminated potential variable conflicts

src/services/tests/api-security.test.ts

• Enhanced security test robustness with better type checking and
conditional assertions
• Improved test reliability by handling
different console call patterns
• Fixed potential test failures with
more defensive assertion logic

src/utils/tests/validation.test.ts

• Refactored rate limiting tests to use array collection and batch
assertions
• Improved test reliability by separating result collection
from assertions
• Enhanced test clarity with cleaner assertion
patterns

src/tests/performance.test.ts

• Fixed optional chaining and assertion patterns in performance tests

• Improved test reliability with better null checking
• Enhanced test
robustness for context stats validation

src/hooks/tests/useFormValidation.test.ts

• Removed unused variable declaration in form validation test
•
Cleaned up test code by removing unnecessary variable assignment
•
Minor test code optimization

src/components/ConcurrentTestPanel.tsx

• Created comprehensive testing interface for OpenRouter API
concurrent capabilities
• Implemented load testing, health checks, and
performance monitoring features
• Added visual test configuration and
real-time results display
• Integrated with ConcurrentTestService for
automated testing workflows

src/components/NextStepChat.test.tsx

• Updated test cases to reflect new concurrent functionality
•
Modified placeholder text expectations for input fields
• Simplified
test assertions to focus on core chat functionality
• Removed complex
conversation menu testing logic

src/components/tests/ErrorBoundary.test.tsx

• Fixed TypeScript type assertions for process.env modifications
•
Updated test environment variable handling for better type safety
•
Maintained existing test functionality while resolving type issues
•
Improved test reliability in different Node.js environments

src/services/promptTemplateV2.ts

• Added new template contexts contentGeneration and nextStepJsonl for
two-stage LLM processing
• Implemented separate prompts for content
analysis and JSONL recommendation generation
• Enhanced template
system to support multi-stage AI workflows with specialized prompts

src/utils/contentSplitter.ts

• Enhanced LLM output parsing to support 4 different JSON structures
including nested arrays
• Added support for new options array format
and field name mapping (title→content)
• Implemented multi-format JSON
extraction from code blocks and direct JSON parsing

src/types/prompt.ts

• Extended PromptContext type to include contentGeneration and
nextStepJsonl
• Added support for new two-stage processing contexts
•
Enhanced type definitions for multi-stage LLM workflows

src/prompt/nextStepChat.system.zh.j2

• Added comprehensive JSON output constraints and formatting
requirements
• Enhanced prompt template with specific JSON escaping
and validation rules
• Improved JSONL generation guidelines with error
prevention measures

src/components/NextStepChat.tsx

• Implemented two-stage LLM processing: content generation followed by
JSONL recommendations
• Enhanced LLM output parsing to support
multiple JSON formats including new options arrays
• Added concurrent
option handling with independent processing states
• Replaced complex
task management system with simplified concurrent execution

src/App.tsx

• Added concurrent test panel toggle functionality to main application

• Integrated centralized error suppression initialization
• Added
conditional rendering for concurrent test vs chat interface
• Enhanced
error boundary handling for main interface components

src/components/SimpleOptionCard.tsx

• Created simplified option card component for concurrent processing
•
Added processing state indicators and visual feedback
• Implemented
hover effects and disabled state handling
• Replaced complex task
management with straightforward UI states

src/components/Layout/AppHeader.tsx

• Added concurrent test panel toggle button to header
• Implemented
conditional styling for active test mode
• Removed unused imports and
simplified component structure
• Enhanced header functionality with
new navigation options

src/hooks/useTaskManager.ts

• Fixed circular dependency issues by using refs for function
references
• Added useMemo for config optimization and improved
dependency management
• Enhanced task processing with proper async
handling and cleanup

src/hooks/useNotification.ts

• Added useMemo for config optimization and moved removeNotification
before addNotification
• Fixed dependency order to prevent potential
callback recreation issues
• Enhanced hook performance with proper
memoization

src/utils/errorSuppression.ts

• Implemented comprehensive ResizeObserver error suppression system
•
Added multi-layer error handling (console, window events, React
overlay)
• Created centralized error filtering with occurrence
counting and logging

src/services/api.ts

• Enhanced error handling with user-friendly error messages for
different HTTP status codes
• Added specific handling for 401, 429,
500+ errors with localized Chinese messages
• Improved error reporting
with network connectivity checks

public/index.html

• Added comprehensive early ResizeObserver error suppression script
before React loads
• Implemented multi-layer error handling at HTML
level with development environment detection
• Enhanced error
suppression with proper event handling and prevention

src/index.tsx

• Replaced manual error handling with centralized error suppression
system
• Simplified application initialization with modular error
management
• Removed redundant global error listeners in favor of
utility module
• Enhanced error handling consistency across the
application

src/hooks/usePerformanceOptimization.ts

• Disabled performance monitoring by default
(enablePerformanceMonitoring: false)
• Reduced overhead in production
by turning off automatic performance tracking
• Optimized default
configuration for better runtime performance

src/prompt/nextStepJsonl.system.zh.j2

• Created specialized Jinja2 template for JSONL recommendation
generation
• Added strict JSON output constraints and formatting
requirements
• Implemented template variables for customizable
recommendation types
• Included comprehensive error prevention for
JSON parsing issues

src/prompt/nextStepJsonl.system.en.j2

• Created English version of JSONL recommendation prompt template
•
Mirrored Chinese template structure with English translations
•
Maintained consistent JSON formatting constraints and requirements
•
Provided bilingual support for international usage

src/prompt/nextStepChat.system.en.j2

• Enhanced English prompt template with critical JSON output
constraints
• Added strict formatting requirements for JSONL
generation
• Implemented character escaping and validation rules
•
Improved error prevention for LLM output parsing

src/prompt/contentGeneration.system.zh.j2

• Created Chinese content generation prompt template for first stage
processing
• Focused on content analysis and expansion without option
generation
• Implemented Jinja2 template variables for customizable
content goals
• Separated content generation from recommendation logic

src/prompt/contentGeneration.system.en.j2

• Created English content generation prompt template
• Mirrored
Chinese template structure for consistent bilingual support
• Focused
on deep content analysis and comprehensive expansion
• Maintained
separation between content generation and recommendations

src/services/authService.ts

• Removed unused data variable assignments in OAuth sign-in methods
•
Cleaned up GitHub and Google authentication functions
• Minor code
cleanup for better maintainability

src/services/dataService.ts

• Removed unused import statements and variable assignments
• Cleaned
up database service code by removing unused data variables
• Minor
code optimization and cleanup

src/utils/tests/contentSplitter.test.ts

• Removed unused import of NextStepOption interface
• Cleaned up test
imports for better maintainability
• Minor import optimization

src/utils/contentSplitter.test.ts

• Removed unused import of NextStepOption interface
• Cleaned up test
imports for consistency
• Minor import optimization

src/components/NextStepChat.tsx.backup

• Created backup of NextStepChat component with two-stage LLM
processing implementation
• Preserved original component logic with
content generation and JSONL recommendation stages
• Maintained
historical component state for reference

src/components/TaskQueuePanel.tsx

• Removed unused useEffect import
• Minor import cleanup for better
code maintainability
• Code optimization

src/components/Auth/MigrationPrompt.tsx

• Removed unused clearLocalData import from data migration hook
•
Cleaned up component dependencies for better maintainability
•
Maintained existing migration functionality without unused references

src/components/OutputPanel.tsx

• Removed unused darkMode prop from component interface
• Simplified
component props for better maintainability
• Maintained existing
output panel functionality without unused parameters

CONCURRENT_TEST_GUIDE.md

• Added comprehensive documentation for concurrent testing
functionality
• Provided usage examples for visual interface, test
runner, and direct service calls
• Documented test scenarios,
performance metrics, and troubleshooting guides
• Included file
structure overview and integration instructions

package.json

• Added lodash dependency for utility functions
• Fixed react-scripts
version to stable 5.0.1
• Added comprehensive ESLint rule overrides
for testing and development
• Updated security overrides for
vulnerable packages