test: 통합 테스트 오류 및 경고 수정

- 모든 서비스 메서드 시그니처를 실제 구현에 맞게 수정
- TestDataGenerator 제거하고 직접 객체 생성으로 변경
- 모델 필드명 및 타입 불일치 수정
- 불필요한 Either 패턴 사용 제거
- null safety 관련 이슈 해결

수정된 파일:
- test/integration/screens/company_integration_test.dart
- test/integration/screens/equipment_integration_test.dart
- test/integration/screens/user_integration_test.dart
- test/integration/screens/login_integration_test.dart

CLAUDE.md

@@ -7,6 +7,8 @@
 
 ## 🤖 Agent Selection Rules
 - **Always select and use a specialized agent appropriate for the task**
+- **Utilize parallel processing when multiple agents can work simultaneously**
+- **Design custom agents when existing ones don't meet specific needs**
 
 ## 🎯 Mandatory Response Format
 
@@ -24,17 +26,86 @@ Before starting any task, you MUST respond in the following format:
 - **flutter-offline-developer**: Flutter offline functionality development
 - **flutter-network-engineer**: Flutter network implementation
 - **flutter-qa-engineer**: Flutter QA/testing
+- **flutter-web-expansion-specialist**: Flutter web platform expansion
 - **app-launch-validator**: App launch validation
 - **aso-optimization-expert**: ASO optimization
 - **mobile-growth-hacker**: Mobile growth strategy
-- **Idea Analysis**: Idea analysis
+- **mobile-app-startup-mentor**: Mobile app startup mentoring
 - **mobile app mvp planner**: MVP planning
+- **app-store-optimizer**: App store optimization
+- **tiktok-strategist**: TikTok marketing strategy
+- **rapid-prototyper**: Rapid prototype development
+- **test-writer-fixer**: Test writing and fixing
+- **backend-architect**: Backend architecture design
+- **mobile-app-builder**: Mobile app development
+- **frontend-developer**: Frontend development
+- **devops-automator**: DevOps automation
+- **ai-engineer**: AI/ML implementation
+- **workflow-optimizer**: Workflow optimization
+- **test-results-analyzer**: Test results analysis
+- **performance-benchmarker**: Performance testing
+- **api-tester**: API testing
+- **tool-evaluator**: Tool evaluation
+- **sprint-prioritizer**: Sprint planning and prioritization
+- **feedback-synthesizer**: User feedback analysis
+- **trend-researcher**: Market trend research
+- **studio-producer**: Studio production coordination
+- **project-shipper**: Project launch management
+- **experiment-tracker**: Experiment tracking
+- **studio-coach**: Elite performance coaching
+- **whimsy-injector**: UI/UX delight injection
+- **ui-designer**: UI design
+- **brand-guardian**: Brand management
+- **ux-researcher**: UX research
+- **visual-storyteller**: Visual narrative creation
+- **legal-compliance-checker**: Legal compliance
+- **analytics-reporter**: Analytics reporting
+- **support-responder**: Customer support
+- **finance-tracker**: Financial management
+- **infrastructure-maintainer**: Infrastructure maintenance
+- **joker**: Humor and morale boost
 
 **Examples:**
 - `Claude Opus 4 - Direct Implementation. I have reviewed all the following rules: development guidelines, class structure, testing rules. Proceeding with the task. Master!`
 - `Claude Opus 4 - flutter-network-engineer. I have reviewed all the following rules: API integration, error handling, network optimization. Proceeding with the task. Master!`
 - For extensive rules: `coding style, class design, exception handling, testing rules` (categorized summary)
 
+## 🚀 Agent Utilization Strategy
+
+### Optimal Solution Derivation
+- **Analyze task requirements** to identify the most suitable agent(s)
+- **Consider agent specializations** and select based on expertise match
+- **Evaluate complexity** to determine if multiple agents are needed
+- **Prioritize solutions** that minimize side effects and maximize efficiency
+
+### Parallel Processing Guidelines
+- **Identify independent tasks** that can be executed simultaneously
+- **Launch multiple agents** concurrently when tasks don't have dependencies
+- **Coordinate results** from parallel agents to ensure consistency
+- **Monitor resource usage** to prevent system overload
+- **Example scenarios**:
+  - UI design + Architecture planning
+  - Testing + Documentation
+  - Performance optimization + Security audit
+
+### Side Effect Prevention
+- **Analyze impact** before implementing any solution
+- **Isolate changes** to minimize unintended consequences
+- **Implement rollback strategies** for critical operations
+- **Test thoroughly** in isolated environments first
+- **Document all changes** and their potential impacts
+- **Use feature flags** for gradual rollouts
+- **Monitor system behavior** after implementations
+
+### Custom Agent Design
+When existing agents don't meet requirements:
+1. **Identify gap** in current agent capabilities
+2. **Define agent purpose** and specialization
+3. **Design agent interface** and expected behaviors
+4. **Implement agent logic** following existing patterns
+5. **Test agent thoroughly** before deployment
+6. **Document agent usage** and best practices
+
 
 
 ## 🚀 Mandatory 3-Phase Task Process
@@ -195,6 +266,11 @@ Detailed explanation if needed
 BREAKING CHANGE: description (if applicable)
 ```
 
+### Git Signature Rules
+- **DO NOT include Claude signature** in git commits
+- **Use standard commit format** without AI attribution
+- **Maintain clean commit history** without automated signatures
+
 ### Commit Types
 - `feat`: New feature
 - `fix`: Bug fix
@@ -328,4 +404,65 @@ Before completing any task, confirm:
 
 ---
 
+## 📊 Advanced Prompt Engineering
+
+### Context Engineering Techniques
+- **Structured prompts** with clear sections and hierarchy
+- **Few-shot examples** to demonstrate expected patterns
+- **Chain-of-thought** reasoning for complex problems
+- **Role-based prompting** to activate specific expertise
+- **Constraint specification** to guide solution boundaries
+- **Output formatting** instructions for consistent results
+
+### Prompt Optimization Strategies
+- **Be specific** about requirements and constraints
+- **Include context** relevant to the task
+- **Define success criteria** explicitly
+- **Use delimiters** to separate different sections
+- **Provide examples** of desired outputs
+- **Iterate and refine** based on results
+
+## 📑 Session Continuity Management
+
+### Long Conversation Handling
+When conversations are expected to be lengthy:
+1. **Create session documentation** in markdown format
+2. **Document key decisions** and implementation details
+3. **Track progress** with checkpoints and milestones
+4. **Summarize complex discussions** for easy reference
+5. **Save state information** for resuming work
+
+### Continuity Document Structure
+```markdown
+# Session: [Task Name] - [Date]
+
+## Objective
+[Clear description of the goal]
+
+## Progress Summary
+- [ ] Task 1: Description
+- [x] Task 2: Completed - Details
+- [ ] Task 3: In Progress
+
+## Key Decisions
+1. Decision: Rationale
+2. Decision: Rationale
+
+## Implementation Details
+[Technical details, code snippets, configurations]
+
+## Next Steps
+[What needs to be done in the next session]
+
+## Important Context
+[Any critical information for continuing work]
+```
+
+### State Preservation
+- **Save work incrementally** to prevent loss
+- **Document assumptions** and constraints
+- **Track dependencies** and blockers
+- **Note unresolved issues** for future sessions
+- **Create handoff notes** for seamless continuation
+
 **Remember**: These are guidelines, not rigid rules. Use professional judgment and adapt to project needs while maintaining high quality standards.