# Stakeholder Requirements Specification - Visual Documentation
## Centron Enterprise Application (UseCaseAnalyse Project)

### Document Information
- **Document ID**: StRS-DIAGRAMS-CENTRON-2024-001
- **Version**: 1.0
- **Date**: September 30, 2024
- **Related Documents**: StRS_Complete.md, StRS_Summary.md
- **Project**: UseCaseAnalyse (Centron Enterprise Application)

---

## 1. Stakeholder Ecosystem Diagram

### Primary Stakeholder Relationships

```mermaid
graph TB
    App["CENTRON ENTERPRISE APPLICATION"]

    %% Main Categories
    App --> Internal["INTERNAL USERS"]
    App --> Boundary["SYSTEM BOUNDARIES"]
    App --> External["EXTERNAL USERS"]

    %% Internal User Groups
    Internal --> Business["BUSINESS USERS"]
    Internal --> Admin["ADMIN & IT STAFF"]
    Internal --> Exec["EXECUTIVE MANAGEMENT"]

    %% External User Groups
    External --> Customers["CUSTOMERS"]
    External --> Services["SERVICE PROVIDERS"]
    External --> Regulatory["REGULATORY BODIES"]

    %% Business Users Detail
    Business --> Sales["Sales Staff"]
    Business --> Finance["Finance Staff"]
    Business --> Help["Helpdesk"]
    Business --> Proj["Project Mgmt"]
    Business --> Ware["Warehouse"]
    Business --> Purch["Purchasing"]

    %% Admin & IT Detail
    Admin --> SysAdmin["System Admin"]
    Admin --> ITSup["IT Support"]
    Admin --> Compliance["Compliance"]

    %% Executive Detail
    Exec --> ExecMgmt["Exec Mgmt"]
    Exec --> DeptHeads["Dept Heads"]

    %% Customer Detail
    Customers --> CustIT["Customer IT Mgrs"]
    Customers --> EndUsers["End Users"]

    %% Service Providers Detail
    Services --> FinAPI["FinAPI"]
    Services --> GLS["GLS"]
    Services --> ITscope["ITscope"]
    Services --> Icecat["Icecat"]
    Services --> Egis["Egis"]
    Services --> Shipcloud["Shipcloud"]

    %% Regulatory Detail
    Regulatory --> GDPR["GDPR"]
    Regulatory --> Tax["Tax Authorities"]
    Regulatory --> Audit["Audit Bodies"]
    Regulatory --> Standards["Standards Bodies"]

    %% System Deployment
    Boundary --> WPF["WPF CLIENT<br/>(On-Premise)"]
    Boundary --> WebSvc["WEB SERVICES<br/>(Cloud/Remote)"]

    WPF --> WPFFeatures["• Business UI<br/>• Admin Tools<br/>• Reports<br/>• Local DB"]
    WebSvc --> WebFeatures["• REST APIs<br/>• Data Sync<br/>• Integration<br/>• Authentication"]

    %% Styling
    classDef internal fill:#e1f5fe
    classDef external fill:#fff3e0
    classDef system fill:#e8f5e8

    class Internal,Business,Admin,Exec internal
    class External,Customers,Services,Regulatory external
    class Boundary,WPF,WebSvc system
```

### Stakeholder Influence and Interest Matrix

```mermaid
quadrantChart
    title Stakeholder Influence vs Interest Matrix
    x-axis Low Interest --> High Interest
    y-axis Low Influence --> High Influence

    quadrant-1 High Influence, High Interest
    quadrant-2 High Influence, Low Interest
    quadrant-3 Low Influence, Low Interest
    quadrant-4 Low Influence, High Interest

    %% Quadrant 1: High Influence, High Interest (Manage Closely)
    Sales Staff: [0.9, 0.9]
    Financial Controllers: [0.85, 0.95]
    System Admin: [0.8, 0.9]
    Helpdesk Agents: [0.75, 0.85]
    IT Support: [0.7, 0.8]

    %% Quadrant 2: High Influence, Low Interest (Keep Satisfied)
    Executive Management: [0.3, 0.9]
    Regulatory Bodies: [0.25, 0.95]
    Technology Partners: [0.2, 0.8]

    %% Quadrant 3: Low Influence, Low Interest (Monitor)
    Compliance Office: [0.3, 0.3]
    Department Heads: [0.25, 0.4]
    Quality Management: [0.2, 0.35]

    %% Quadrant 4: Low Influence, High Interest (Keep Informed)
    Customer IT: [0.8, 0.4]
    Service Providers: [0.75, 0.35]
    Project Managers: [0.85, 0.45]
    End Customers: [0.9, 0.3]
```

---

## 2. User Journey Maps

### 2.1 Sales Representative Journey

```mermaid
journey
    title Sales Representative Daily Workflow
    section Morning Prep (8:00 AM)
        Login to System           : 3: Sales Rep
        Review Dashboard         : 4: Sales Rep
        Check Calendar           : 4: Sales Rep
        Review Pending Quotes    : 5: Sales Rep
    section Customer Interaction (9:00-12:00)
        Search Customer Database : 3: Sales Rep
        Review Customer History  : 4: Sales Rep
        Contact Customers        : 5: Sales Rep
        Update CRM Records      : 3: Sales Rep
    section Quote Generation (1:00-3:00 PM)
        Access Product Catalog   : 4: Sales Rep
        Calculate Pricing        : 3: Sales Rep
        Create Quote            : 4: Sales Rep
        Send Quote to Customer  : 5: Sales Rep
    section Follow-up (4:00-6:00 PM)
        Process Orders          : 4: Sales Rep
        Update Communication Log: 3: Sales Rep
        Generate Reports        : 4: Sales Rep
        Plan Next Day          : 4: Sales Rep
```

#### Sales Journey Process Flow

```mermaid
flowchart TD
    Start([Start of Day<br/>8:00 AM]) --> Login{Authentication}
    Login -->|Success| Dashboard[Review Dashboard<br/>• Daily Schedule<br/>• Pending Quotes<br/>• Calendar]
    Login -->|Slow/Failed| LoginPain[Pain Point:<br/>Slow login process]
    LoginPain --> Dashboard

    Dashboard --> Research[Customer Research<br/>9:00-12:00 PM]
    Research --> CRM{Access CRM}
    CRM -->|Data Found| CustomerHist[Review Customer History<br/>• Previous Orders<br/>• Communication Log<br/>• Preferences]
    CRM -->|Missing Data| DataPain[Pain Point:<br/>Fragmented/Missing Data]
    DataPain --> CustomerHist

    CustomerHist --> Contact[Customer Contact<br/>• Phone Calls<br/>• Email<br/>• Meetings]
    Contact --> Quote[Quote Generation<br/>1:00-3:00 PM]

    Quote --> Pricing{Calculate Pricing}
    Pricing -->|Auto Calc| QuoteDoc[Generate Quote Document]
    Pricing -->|Manual| PricePain[Pain Point:<br/>Manual Calculations]
    PricePain --> QuoteDoc

    QuoteDoc --> Send[Send Quote to Customer]
    Send --> Processing[Order Processing<br/>4:00-6:00 PM]
    Processing --> Orders{Process Orders}
    Orders -->|Automated| Reports[Generate Reports]
    Orders -->|Manual| ProcessPain[Pain Point:<br/>Manual Updates]
    ProcessPain --> Reports

    Reports --> EndDay([End of Day<br/>6:00 PM])

    %% Styling
    classDef painPoint fill:#ffcdd2
    classDef process fill:#e8f5e8
    classDef decision fill:#fff3e0

    class LoginPain,DataPain,PricePain,ProcessPain painPoint
    class Dashboard,CustomerHist,Contact,QuoteDoc,Send,Reports process
    class Login,CRM,Pricing,Orders decision
```

### 2.2 Helpdesk Agent Journey

```mermaid
flowchart TD
    Start([Ticket Request]) --> Intake{Ticket Intake}

    %% Multiple Channels
    Intake -->|Phone| Phone[Phone Support<br/>• Immediate Response<br/>• Voice Documentation]
    Intake -->|Email| Email[Email Support<br/>• Ticket Auto-Creation<br/>• Structured Data]
    Intake -->|Portal| Portal[Web Portal<br/>• Self-Service Options<br/>• Form Validation]
    Intake -->|Internal| Internal[Internal Systems<br/>• System Alerts<br/>• Auto-Generation]

    %% Consolidation
    Phone --> Create[Create Ticket<br/>• Categorize Issue<br/>• Assign Priority<br/>• Link to Customer]
    Email --> Create
    Portal --> Create
    Internal --> Create

    %% Investigation Phase
    Create --> Research[Investigation<br/>& Research]
    Research --> Knowledge{Access<br/>Knowledge Base}
    Knowledge -->|Available| KnowledgeBase[Review Solutions<br/>• Previous Tickets<br/>• Documentation<br/>• Best Practices]
    Knowledge -->|Missing| KnowledgePain[Pain Point:<br/>No Knowledge Base<br/>Long Research Time]
    KnowledgePain --> CustomerHistory

    KnowledgeBase --> CustomerHistory[Review Customer History<br/>• Previous Issues<br/>• System Configuration<br/>• Contact Preferences]

    CustomerHistory --> Solution{Solution<br/>Found?}
    Solution -->|Yes| Implement[Implement Solution<br/>• Apply Fix<br/>• Test Result<br/>• Update Ticket]
    Solution -->|No| Escalate

    %% Escalation Path
    Escalate[Escalation Required] --> AutoEsc[Team Collaboration<br/>• Expert Consultation<br/>• Knowledge Sharing<br/>• Solution Development]
    AutoEsc --> Implement

    %% Resolution Phase
    Implement --> Resolve{Issue<br/>Resolved?}
    Resolve -->|No| Research
    Resolve -->|Yes| Document[Document Solution<br/>• Resolution Steps<br/>• Root Cause<br/>• Prevention]

    Document --> Confirm[Customer Confirmation<br/>• Solution Validation<br/>• Satisfaction Survey<br/>• Follow-up Schedule]
    Confirm --> Close[Close Ticket<br/>• Final Status Update<br/>• Time Tracking<br/>• Knowledge Update]
    Close --> End([Ticket Resolved])

    %% Styling
    classDef painPoint fill:#ffcdd2
    classDef process fill:#e8f5e8
    classDef decision fill:#fff3e0
    classDef channel fill:#e3f2fd

    class KnowledgePain painPoint
    class Create,Research,KnowledgeBase,CustomerHistory,Implement,Document,Confirm,Close process
    class Intake,Knowledge,Solution,Resolve decision
    class Phone,Email,Portal,Internal channel
```

#### Performance Metrics
- **First Response Time**: <1 hour
- **Resolution Time**: <24 hours (80% of tickets)
- **Customer Satisfaction**: >4.0/5.0
- **Escalation Rate**: <15%

### 2.3 Financial Controller Journey

```
MONTHLY CYCLE: Financial Controller Managing Financial Processes

Phase 1: Daily Transaction Processing (Ongoing)
┌─────────────────────────────────────────────────────────────────────┐
│ TRANSACTION RECORDING & VALIDATION                                 │
├─────────────────────────────────────────────────────────────────────┤
│ Touchpoints: • Banking Integration • Receipt Processing            │
│ Actions:     • Import transactions • Validate data • Reconcile     │
│ Pain Points: • Manual reconciliation • Data inconsistencies        │
│ Requirements: StR-013 (Auto reconciliation), StR-016 (Banking)     │
└─────────────────────────────────────────────────────────────────────┘
                                │
                                ▼
Phase 2: Month-End Reporting (Monthly)
┌─────────────────────────────────────────────────────────────────────┐
│ FINANCIAL REPORTING & ANALYSIS                                     │
├─────────────────────────────────────────────────────────────────────┤
│ Touchpoints: • Financial Reports • Analytics Dashboard             │
│ Actions:     • Generate reports • Analyze variances • Review KPIs  │
│ Pain Points: • Manual report generation • Limited analytics        │
│ Requirements: StR-056 (Financial reporting), StR-034 (Mgmt)        │
└─────────────────────────────────────────────────────────────────────┘
                                │
                                ▼
Phase 3: Compliance & Audit (Quarterly/Annual)
┌─────────────────────────────────────────────────────────────────────┐
│ COMPLIANCE MONITORING & AUDIT PREPARATION                          │
├─────────────────────────────────────────────────────────────────────┤
│ Touchpoints: • Audit Trails • Compliance Reports • Tax Systems     │
│ Actions:     • Prepare audit docs • Validate compliance • Submit   │
│ Pain Points: • Manual audit prep • Complex compliance tracking     │
│ Requirements: StR-015 (Audit trails), StR-014 (Compliance)         │
└─────────────────────────────────────────────────────────────────────┘

CRITICAL SUCCESS FACTORS:
• Data Accuracy: 99.9% transaction accuracy
• Compliance: 100% regulatory compliance
• Efficiency: 50% reduction in manual processes
• Reporting: Real-time financial dashboards
```

---

## 3. Business Process Flows

### 3.1 Order-to-Cash Process Flow

```
COMPREHENSIVE ORDER-TO-CASH WORKFLOW

Customer Inquiry
       │
       ▼
┌─────────────┐    ┌──────────────┐    ┌─────────────┐
│Customer     │    │Sales Rep     │    │CRM System   │
│Needs        │───▶│Research      │───▶│Customer     │
│Analysis     │    │& Analysis    │    │Profile      │
└─────────────┘    └──────────────┘    └─────────────┘
       │                   │                   │
       │                   ▼                   │
       │            ┌──────────────┐           │
       │            │Product       │           │
       └───────────▶│Selection &   │◀──────────┘
                    │Configuration │
                    └──────────────┘
                           │
                           ▼
                    ┌──────────────┐    ┌─────────────┐
                    │Pricing &     │───▶│Price Matrix │
                    │Quote         │    │& Rules      │
                    │Generation    │    │Engine       │
                    └──────────────┘    └─────────────┘
                           │                   │
                           ▼                   ▼
Customer              ┌──────────────┐    ┌─────────────┐
Approval ────────────▶│Quote         │───▶│Approval     │
                      │Review &      │    │Workflow     │
                      │Acceptance    │    │System       │
                      └──────────────┘    └─────────────┘
                           │
                           ▼
                    ┌──────────────┐    ┌─────────────┐
                    │Order         │───▶│Inventory    │
                    │Processing &  │    │Allocation   │
                    │Validation    │    │System       │
                    └──────────────┘    └─────────────┘
                           │                   │
                           ▼                   ▼
                    ┌──────────────┐    ┌─────────────┐
                    │Fulfillment   │───▶│Warehouse    │
                    │& Shipping    │    │Management   │
                    │Coordination  │    │System       │
                    └──────────────┘    └─────────────┘
                           │                   │
                           ▼                   ▼
                    ┌──────────────┐    ┌─────────────┐
                    │Delivery &    │───▶│Shipping     │
                    │Tracking      │    │Provider     │
                    │               │    │APIs (GLS)   │
                    └──────────────┘    └─────────────┘
                           │
                           ▼
                    ┌──────────────┐    ┌─────────────┐
                    │Invoicing &   │───▶│Financial    │
                    │Payment       │    │Management   │
                    │Processing    │    │System       │
                    └──────────────┘    └─────────────┘
                           │                   │
                           ▼                   ▼
                    ┌──────────────┐    ┌─────────────┐
                    │Collection &  │───▶│Banking      │
                    │Reconciliation│    │Integration  │
                    │               │    │(FinAPI)     │
                    └──────────────┘    └─────────────┘

STAKEHOLDER TOUCHPOINTS:
• Customer: Inquiry, Quote Review, Order Approval, Delivery Confirmation
• Sales Rep: Research, Quote Generation, Order Processing, Customer Communication
• Finance: Pricing Approval, Invoicing, Payment Processing, Reconciliation
• Warehouse: Inventory Check, Order Fulfillment, Shipping Coordination
• IT: System Integration, Data Synchronization, Error Handling

SYSTEM REQUIREMENTS:
StR-025: End-to-end order processing
StR-026: Automated pricing calculations
StR-027: Inventory integration
StR-028: Shipping provider integration
StR-029: Financial transaction processing
```

### 3.2 Helpdesk Incident Management Process

```
COMPREHENSIVE HELPDESK INCIDENT MANAGEMENT WORKFLOW

Multiple Entry Points
┌─────────────┐  ┌─────────────┐  ┌─────────────┐  ┌─────────────┐
│Phone Call   │  │Email        │  │Web Portal   │  │Internal     │
│             │  │             │  │             │  │System Alert │
└──────┬──────┘  └──────┬──────┘  └──────┬──────┘  └──────┬──────┘
       │                │                │                │
       └────────────────┼────────────────┼────────────────┘
                        │                │
                        ▼                ▼
                 ┌─────────────────────────────┐
                 │TICKET CREATION & INTAKE     │
                 │• Automatic categorization   │
                 │• Priority assignment        │
                 │• SLA calculation           │
                 └─────────────┬───────────────┘
                              │
                              ▼
                 ┌─────────────────────────────┐    ┌─────────────┐
                 │INITIAL ASSESSMENT          │───▶│Knowledge    │
                 │• Problem classification    │    │Base Search  │
                 │• Skill-based routing      │    │& Matching   │
                 │• Resource availability    │    │             │
                 └─────────────┬───────────────┘    └─────────────┘
                              │                           │
                              ▼                           ▼
                 ┌─────────────────────────────┐    ┌─────────────┐
                 │AGENT ASSIGNMENT            │◀───│Automated    │
                 │• Workload balancing       │    │Routing      │
                 │• Skill matching           │    │Engine       │
                 │• Escalation rules         │    │             │
                 └─────────────┬───────────────┘    └─────────────┘
                              │
                              ▼
      ┌─────────────┐  ┌─────────────────────────────┐  ┌─────────────┐
      │Customer     │  │INVESTIGATION & RESOLUTION   │  │Technical    │
      │Communication│◀─│• Problem analysis          │─▶│Resources &  │
      │& Updates    │  │• Solution development      │  │Documentation│
      │             │  │• Testing & validation      │  │             │
      └─────────────┘  └─────────────┬───────────────┘  └─────────────┘
                                    │
                                    ▼
                            ┌───────────────┐
                            │ESCALATION     │
                    ┌──────▶│REQUIRED?      │
                    │       │• SLA breach   │
                    │       │• Complexity   │
                    │       │• Approval     │
                    │       └───┬───────┬───┘
                    │           │       │
                    │          YES      NO
                    │           │       │
                    │           ▼       ▼
            ┌───────┴────┐ ┌─────────────────────────────┐
            │ESCALATION  │ │RESOLUTION & CLOSURE        │
            │• L2/L3     │ │• Solution implementation   │
            │• Management│ │• Customer confirmation     │
            │• Specialist│ │• Documentation & closure   │
            └────────────┘ └─────────────┬───────────────┘
                                        │
                                        ▼
                              ┌─────────────────────────────┐
                              │POST-RESOLUTION ACTIVITIES   │
                              │• Knowledge base update      │
                              │• Performance metrics       │
                              │• Customer satisfaction     │
                              │• Process improvement       │
                              └─────────────────────────────┘

SLA TARGETS:
• First Response: 1 hour (95%)
• Resolution Time: 24 hours (80%)
• Customer Satisfaction: 4.0/5.0 (90%)
• Escalation Rate: <15%

AUTOMATION POINTS:
• Ticket categorization and routing
• SLA monitoring and alerts
• Escalation triggers
• Knowledge base suggestions
• Performance reporting

SYSTEM REQUIREMENTS:
StR-030: Comprehensive ticket management
StR-031: Automated escalation rules
StR-032: Knowledge base integration
StR-033: Performance tracking
StR-057: Ticket lifecycle management
StR-058: Automated routing and escalation
```

### 3.3 Financial Management Process Flow

```
INTEGRATED FINANCIAL MANAGEMENT WORKFLOW

Daily Operations
┌─────────────────────────────────────────────────────────────────────┐
│                        TRANSACTION PROCESSING                       │
├─────────────────────────────────────────────────────────────────────┤

Bank Feeds          Sales System         Expense System
    │                     │                     │
    ▼                     ▼                     ▼
┌──────────┐         ┌──────────┐         ┌──────────┐
│Banking   │         │Invoice   │         │Expense   │
│Trans-    │────────▶│& Receipt │◀────────│& Purchase│
│actions   │         │Processing│         │Orders    │
└──────────┘         └──────────┘         └──────────┘
    │                     │                     │
    └─────────────────────┼─────────────────────┘
                          ▼
                 ┌─────────────────┐
                 │AUTOMATED        │
                 │RECONCILIATION   │
                 │• Bank matching  │
                 │• Exception      │
                 │  handling       │
                 │• Approval       │
                 │  workflows      │
                 └─────────┬───────┘
                          │
                          ▼
Monthly Processes
┌─────────────────────────────────────────────────────────────────────┐
│                      FINANCIAL REPORTING                           │
├─────────────────────────────────────────────────────────────────────┤

┌──────────┐    ┌─────────────────┐    ┌──────────┐    ┌──────────┐
│General   │───▶│MONTH-END        │───▶│Financial │───▶│Management│
│Ledger    │    │CLOSING          │    │Statements│    │Reports & │
│Updates   │    │• Accruals       │    │• P&L     │    │Analytics │
│          │    │• Adjustments    │    │• Balance │    │          │
│          │    │• Validation     │    │• Cash    │    │          │
└──────────┘    └─────────┬───────┘    └──────────┘    └──────────┘
                          │
                          ▼
Compliance & Audit
┌─────────────────────────────────────────────────────────────────────┐
│                      COMPLIANCE MANAGEMENT                         │
├─────────────────────────────────────────────────────────────────────┤

┌──────────┐    ┌─────────────────┐    ┌──────────┐    ┌──────────┐
│Tax       │───▶│REGULATORY       │───▶│Audit     │───▶│External  │
│Calculation│    │REPORTING        │    │Trail     │    │Reporting │
│& Filing  │    │• GDPR/DSGVO     │    │Maint-    │    │• Tax Auth│
│          │    │• German Tax     │    │enance    │    │• Auditors│
│          │    │• Industry       │    │          │    │• Banks   │
└──────────┘    └─────────┬───────┘    └──────────┘    └──────────┘
                          │
                          ▼
Annual Cycle
┌─────────────────────────────────────────────────────────────────────┐
│                        ANNUAL PROCESSES                            │
├─────────────────────────────────────────────────────────────────────┤

┌──────────┐    ┌─────────────────┐    ┌──────────┐    ┌──────────┐
│Budget    │───▶│YEAR-END         │───▶│Annual    │───▶│Strategic │
│Planning  │    │CLOSING          │    │Report    │    │Planning  │
│& Fore-   │    │• Final audit    │    │Generation│    │& Analysis│
│casting   │    │• Adjustments    │    │          │    │          │
│          │    │• Certification  │    │          │    │          │
└──────────┘    └─────────────────┘    └──────────┘    └──────────┘

INTEGRATION POINTS:
• FinAPI: Real-time banking data synchronization
• ERP Systems: Sales and purchase order integration
• Tax Systems: Automated tax calculation and filing
• Banking Partners: Payment processing and reconciliation
• Audit Systems: Continuous audit trail maintenance

COMPLIANCE REQUIREMENTS:
• GDPR/DSGVO: Data protection and privacy
• German Tax Law: VAT, income tax, trade tax
• German Accounting Standards: HGB compliance
• Industry Standards: Sector-specific requirements

SYSTEM REQUIREMENTS:
StR-034: Comprehensive financial management
StR-035: Automated reconciliation
StR-036: Compliance reporting capabilities
StR-037: Audit trail maintenance
StR-054: Receipt and invoice processing
StR-055: Automated payment processing
StR-056: Financial reporting and analysis
```

---

## 4. Context Diagrams

### 4.1 System Context Diagram

```
                                CENTRON ENTERPRISE APPLICATION
                                     SYSTEM BOUNDARY
    ┌────────────────────────────────────────────────────────────────────────┐
    │                                                                        │
    │  ┌─────────────────────────────────────────────────────────────────┐   │
    │  │                    CENTRON CORE SYSTEM                         │   │
    │  │                                                                 │   │
    │  │  ┌─────────────┐  ┌─────────────┐  ┌─────────────┐            │   │
    │  │  │   WPF UI    │  │ Business    │  │ Data Layer  │            │   │
    │  │  │  Modules    │──│   Logic     │──│(NHibernate) │            │   │
    │  │  │             │  │             │  │             │            │   │
    │  │  └─────────────┘  └─────────────┘  └─────────────┘            │   │
    │  │         │               │                 │                   │   │
    │  │         └───────────────┼─────────────────┘                   │   │
    │  │                         │                                     │   │
    │  │  ┌─────────────────────────────────────────────────────────┐  │   │
    │  │  │              WEB SERVICES LAYER                        │  │   │
    │  │  │                                                         │  │   │
    │  │  │  ┌─────────────┐  ┌─────────────┐  ┌─────────────┐    │  │   │
    │  │  │  │REST Service │  │WebService BL│  │Service Host │    │  │   │
    │  │  │  │             │  │             │  │             │    │  │   │
    │  │  │  └─────────────┘  └─────────────┘  └─────────────┘    │  │   │
    │  │  └─────────────────────────────────────────────────────────┘  │   │
    │  └─────────────────────────────────────────────────────────────────┘   │
    └────────────────────────────────────────────────────────────────────────┘
                                        │
          ┌─────────────────────────────┼─────────────────────────────┐
          │                             │                             │
          ▼                             ▼                             ▼
    INTERNAL USERS              EXTERNAL SYSTEMS              EXTERNAL USERS

┌─────────────────┐           ┌─────────────────┐           ┌─────────────────┐
│• Sales Staff    │           │FINANCIAL APIS   │           │• Customer IT    │
│• Admin Staff    │◀─────────▶│• FinAPI         │◀─────────▶│  Administrators │
│• Helpdesk       │           │• Banking        │           │• Customer End   │
│• Finance        │           │  Systems        │           │  Users          │
│• Management     │           └─────────────────┘           │• External       │
│• IT Support     │                     │                   │  Auditors       │
└─────────────────┘                     │                   └─────────────────┘
         │                              │                             │
         │              ┌─────────────────┐                          │
         │              │SHIPPING APIS    │                          │
         └─────────────▶│• GLS           │◀─────────────────────────┘
                        │• Shipcloud     │
                        │• Logistics     │
                        └─────────────────┘
                                 │
                        ┌─────────────────┐
                        │PRODUCT DATA APIS│
                        │• ITscope        │
                        │• Icecat         │
                        │• Egis           │
                        │• Product Info   │
                        └─────────────────┘
                                 │
                        ┌─────────────────┐
                        │REGULATORY       │
                        │SYSTEMS          │
                        │• GDPR/DSGVO     │
                        │• Tax Authorities│
                        │• Compliance     │
                        └─────────────────┘

DATA FLOWS:
─────────▶ Primary data flow and user interaction
◀────────▶ Bidirectional data synchronization
         │ System integration and API communication

SECURITY BOUNDARIES:
• Internal network: WPF client applications
• DMZ: Web services and API gateways
• External: Third-party service integrations
• Compliance: Audit and regulatory interfaces
```

### 4.2 Integration Context Diagram

```
                     EXTERNAL INTEGRATION ECOSYSTEM

┌─────────────────────────────────────────────────────────────────────────┐
│                        CENTRON INTEGRATION HUB                         │
├─────────────────────────────────────────────────────────────────────────┤
│                                                                         │
│    ┌─────────────┐    ┌─────────────┐    ┌─────────────┐              │
│    │   API       │    │Integration  │    │   Data      │              │
│    │ Gateway     │────│   Engine    │────│Sync Engine  │              │
│    │             │    │             │    │             │              │
│    └─────────────┘    └─────────────┘    └─────────────┘              │
│           │                   │                   │                    │
└───────────┼───────────────────┼───────────────────┼────────────────────┘
            │                   │                   │
    ┌───────┴────┐      ┌───────┴────┐      ┌───────┴────┐
    │            │      │            │      │            │
    ▼            ▼      ▼            ▼      ▼            ▼

FINANCIAL        SHIPPING &         PRODUCT DATA
SERVICES         LOGISTICS          PROVIDERS

┌──────────┐    ┌──────────┐       ┌──────────┐    ┌──────────┐
│ FinAPI   │    │   GLS    │       │ ITscope  │    │ Icecat   │
│          │    │          │       │          │    │          │
│• Banking │    │• Shipping│       │• Product │    │• Product │
│• Payments│    │• Tracking│       │  Data    │    │  Specs   │
│• Accounts│    │• Labels  │       │• Pricing │    │• Images  │
│          │    │          │       │• Avail   │    │• Docs    │
└────┬─────┘    └────┬─────┘       └────┬─────┘    └────┬─────┘
     │              │                   │              │
     │              │                   │              │
     ▼              ▼                   ▼              ▼
┌──────────┐    ┌──────────┐       ┌──────────┐    ┌──────────┐
│Shipcloud │    │Logistics │       │   Egis   │    │   COP    │
│          │    │Partners  │       │          │    │  Data    │
│• Multi   │    │          │       │• Special │    │          │
│  Carrier │    │• DHL     │       │  Product │    │• Pricing │
│• Rate    │    │• UPS     │       │  Data    │    │• Product │
│  Calc    │    │• FedEx   │       │• Regional│    │  Info    │
└────┬─────┘    └────┬─────┘       └────┬─────┘    └────┬─────┘
     │              │                   │              │
     └──────────────┼───────────────────┼──────────────┘
                    │                   │
                    ▼                   ▼
            ┌─────────────────────────────────┐
            │     INTERNAL INTEGRATION       │
            │                                 │
            │  ┌─────────────┐               │
            │  │   Active    │               │
            │  │ Directory   │               │
            │  │             │               │
            │  │• User Auth  │               │
            │  │• Groups     │               │
            │  │• Rights     │               │
            │  └─────────────┘               │
            │                                 │
            │  ┌─────────────┐               │
            │  │  Email &    │               │
            │  │ Calendar    │               │
            │  │             │               │
            │  │• Outlook    │               │
            │  │• Exchange   │               │
            │  │• Teams      │               │
            │  └─────────────┘               │
            └─────────────────────────────────┘
                            │
                            ▼
                    ┌─────────────────┐
                    │   REGULATORY    │
                    │  & COMPLIANCE   │
                    │                 │
                    │ ┌─────────────┐ │
                    │ │GDPR/DSGVO   │ │
                    │ │Compliance   │ │
                    │ │             │ │
                    │ │• Data Rights│ │
                    │ │• Consent    │ │
                    │ │• Audit      │ │
                    │ └─────────────┘ │
                    │                 │
                    │ ┌─────────────┐ │
                    │ │German Tax   │ │
                    │ │Authorities  │ │
                    │ │             │ │
                    │ │• VAT        │ │
                    │ │• Reporting  │ │
                    │ │• Compliance │ │
                    │ └─────────────┘ │
                    └─────────────────┘

INTEGRATION PATTERNS:
• REST APIs: Real-time synchronous integration
• Webhooks: Event-driven asynchronous updates
• File Transfer: Bulk data exchange and reporting
• Message Queues: Reliable async communication
• Database Sync: Direct data synchronization

SECURITY MEASURES:
• OAuth 2.0/JWT authentication
• API rate limiting and throttling
• Data encryption in transit and at rest
• Integration monitoring and alerting
• Compliance audit logging

ERROR HANDLING:
• Retry mechanisms with exponential backoff
• Circuit breaker patterns for reliability
• Dead letter queues for failed messages
• Comprehensive error logging and monitoring
• Automatic failover to backup systems
```

---

## 5. Use Case Diagrams

### 5.1 Sales Management Use Cases

```
                           SALES MANAGEMENT SYSTEM
                                      │
              ┌───────────────────────┼───────────────────────┐
              │                       │                       │
              │                       │                       │
         ┌────────┐              ┌────────┐              ┌────────┐
         │Sales   │              │Sales   │              │Finance │
         │Rep     │              │Manager │              │Team    │
         │        │              │        │              │        │
         └───┬────┘              └───┬────┘              └───┬────┘
             │                       │                       │
             │                       │                       │
    ┌────────┼──────────────┐       │                       │
    │        │              │       │                       │
    │        ▼              ▼       ▼                       ▼
    │  ╭──────────╮  ╭──────────╮ ╭──────────╮      ╭──────────╮
    │  │ Manage   │  │ Create   │ │ Approve  │      │ Generate │
    │  │Customer  │  │ Quote/   │ │ Pricing  │      │Financial │
    │  │Profiles  │  │ Offer    │ │& Terms   │      │Reports   │
    │  ╰──────────╯  ╰──────────╯ ╰──────────╯      ╰──────────╯
    │        │              │             │                │
    │        │              │             │                │
    │        ▼              ▼             ▼                ▼
    │  ╭──────────╮  ╭──────────╮ ╭──────────╮      ╭──────────╮
    │  │ Track    │  │ Process  │ │ Manage   │      │ Monitor  │
    │  │Customer  │  │ Orders   │ │ Sales    │      │ Sales    │
    │  │History   │  │          │ │ Pipeline │      │ KPIs     │
    │  ╰──────────╯  ╰──────────╯ ╰──────────╯      ╰──────────╯
    │        │              │             │                │
    │        │              │             │                │
    │        ▼              ▼             ▼                ▼
    │  ╭──────────╮  ╭──────────╮ ╭──────────╮      ╭──────────╮
    │  │ Manage   │  │ Handle   │ │ Forecast │      │ Analyze  │
    │  │Special   │  │ Price    │ │ Sales    │      │ Profit   │
    │  │Pricing   │  │ Changes  │ │ Performance│    │ Margins  │
    │  ╰──────────╯  ╰──────────╯ ╰──────────╯      ╰──────────╯
    │        │              │
    │        │              │
    └────────▼──────────────▼
           ╭──────────╮
           │ Generate │
           │ Sales    │
           │ Reports  │
           ╰──────────╯
                │
                │
                ▼
           ┌──────────┐
           │Customer  │
           │          │
           └──────────┘

RELATIONSHIPS:
• Sales Rep ──── manages ──── Customer Profiles
• Sales Rep ──── creates ──── Quotes/Offers
• Sales Rep ──── processes ── Orders
• Sales Manager ─ approves ─── Pricing & Terms
• Sales Manager ─ manages ──── Sales Pipeline
• Finance Team ── generates ── Financial Reports
• Finance Team ── monitors ─── Sales KPIs
• Customer ───── initiates ── Purchase Process
• Customer ───── approves ──── Quotes/Orders

SYSTEM REQUIREMENTS SUPPORTED:
StR-001: Fast customer data access
StR-002: Streamlined quote generation
StR-004: Real-time pricing information
StR-021: Integrated CRM functionality
StR-024: Sales pipeline management
StR-050: Comprehensive customer profiles
StR-052: Quote-to-order lifecycle management
```

### 5.2 Helpdesk Management Use Cases

```
                          HELPDESK MANAGEMENT SYSTEM
                                     │
              ┌──────────────────────┼──────────────────────┐
              │                      │                      │
         ┌────────┐             ┌────────┐             ┌────────┐
         │Helpdesk│             │Helpdesk│             │Customer│
         │Agent   │             │Manager │             │        │
         │        │             │        │             │        │
         └───┬────┘             └───┬────┘             └───┬────┘
             │                      │                      │
             │                      │                      │
    ┌────────┼──────────────┐      │                      │
    │        │              │      │                      │
    │        ▼              ▼      ▼                      ▼
    │  ╭──────────╮  ╭──────────╮ ╭──────────╮    ╭──────────╮
    │  │ Create & │  │ Research │ │ Monitor  │    │ Submit   │
    │  │ Manage   │  │ Issues & │ │ Service  │    │ Support  │
    │  │ Tickets  │  │ Solutions│ │ Levels   │    │ Requests │
    │  ╰──────────╯  ╰──────────╯ ╰──────────╯    ╰──────────╯
    │        │              │             │              │
    │        │              │             │              │
    │        ▼              ▼             ▼              ▼
    │  ╭──────────╮  ╭──────────╮ ╭──────────╮    ╭──────────╮
    │  │ Escalate │  │ Access   │ │ Generate │    │ Track    │
    │  │ Complex  │  │Knowledge │ │ Service  │    │ Request  │
    │  │ Issues   │  │ Base     │ │ Reports  │    │ Status   │
    │  ╰──────────╯  ╰──────────╯ ╰──────────╯    ╰──────────╯
    │        │              │             │              │
    │        │              │             │              │
    │        ▼              ▼             ▼              ▼
    │  ╭──────────╮  ╭──────────╮ ╭──────────╮    ╭──────────╮
    │  │ Communicate│ │ Update   │ │ Manage   │    │ Provide  │
    │  │ with      │  │Knowledge │ │ Team     │    │ Feedback │
    │  │ Customers │  │ Base     │ │ Performance│  │ on      │
    │  ╰──────────╯  ╰──────────╯ ╰──────────╯    │ Service  │
    │        │              │             │       ╰──────────╯
    │        │              │             │              │
    │        ▼              ▼             ▼              ▼
    │  ╭──────────╮  ╭──────────╮ ╭──────────╮    ╭──────────╮
    │  │ Document │  │ Collaborate│ │ Optimize │    │ Access   │
    │  │ Solutions│  │ with      │ │ Helpdesk │    │ Self-    │
    │  │ & Close  │  │ Technical │ │ Processes│    │ Service  │
    │  │ Tickets  │  │ Teams     │ │          │    │ Portal   │
    │  ╰──────────╯  ╰──────────╯ ╰──────────╯    ╰──────────╯
    │        │              │
    │        │              │
    └────────▼──────────────▼
           ╭──────────╮
           │ Record & │
           │ Track    │
           │ Time     │
           ╰──────────╯
                │
                ▼
           ┌──────────┐
           │Knowledge │
           │Base      │
           │System    │
           └──────────┘

RELATIONSHIPS:
• Helpdesk Agent ── creates ────── Tickets
• Helpdesk Agent ── researches ─── Solutions
• Helpdesk Agent ── escalates ──── Complex Issues
• Helpdesk Manager ─ monitors ───── Service Levels
• Helpdesk Manager ─ manages ────── Team Performance
• Customer ──────── submits ────── Support Requests
• Customer ──────── tracks ─────── Request Status
• Customer ──────── accesses ───── Self-Service Portal
• Knowledge Base ─── supports ──── Issue Resolution

SYSTEM REQUIREMENTS SUPPORTED:
StR-009: Integrated ticket management
StR-010: Customer history access
StR-011: Automated escalation
StR-012: Knowledge base integration
StR-030: Comprehensive ticket management
StR-031: Automated escalation rules
StR-032: Knowledge base integration
StR-033: Performance tracking
StR-057: Comprehensive ticket lifecycle management
StR-058: Automated ticket routing and escalation
StR-059: Integrated knowledge base functionality
```

### 5.3 Financial Management Use Cases

```
                         FINANCIAL MANAGEMENT SYSTEM
                                    │
              ┌─────────────────────┼─────────────────────┐
              │                     │                     │
         ┌────────┐            ┌────────┐            ┌────────┐
         │Financial│           │Finance │           │External│
         │Controller│          │Manager │           │Auditor │
         │        │            │        │           │        │
         └───┬────┘            └───┬────┘           └───┬────┘
             │                     │                    │
             │                     │                    │
    ┌────────┼──────────────┐     │                    │
    │        │              │     │                    │
    │        ▼              ▼     ▼                    ▼
    │  ╭──────────╮  ╭──────────╮ ╭──────────╮  ╭──────────╮
    │  │ Process  │  │ Reconcile│ │ Review & │  │ Access   │
    │  │ Invoices │  │ Bank     │ │ Approve  │  │ Audit    │
    │  │ & Receipts│ │Transactions│ │Financial │ │ Trails   │
    │  ╰──────────╯  ╰──────────╯ ╰──────────╯  ╰──────────╯
    │        │              │           │              │
    │        │              │           │              │
    │        ▼              ▼           ▼              ▼
    │  ╭──────────╮  ╭──────────╮ ╭──────────╮  ╭──────────╮
    │  │ Manage   │  │ Process  │ │ Monitor  │  │ Validate │
    │  │ Accounts │  │ Payments │ │ Budget   │  │ Compliance│
    │  │Receivable│  │ &        │ │ vs       │  │ with     │
    │  │& Payable │  │ Collections│ │ Actual   │  │ GDPR     │
    │  ╰──────────╯  ╰──────────╯ ╰──────────╯  ╰──────────╯
    │        │              │           │              │
    │        │              │           │              │
    │        ▼              ▼           ▼              ▼
    │  ╭──────────╮  ╭──────────╮ ╭──────────╮  ╭──────────╮
    │  │ Generate │  │ Calculate│ │ Analyze  │  │ Review   │
    │  │Financial │  │ Taxes &  │ │ Financial│  │ Financial│
    │  │ Reports  │  │ VAT      │ │ KPIs &   │  │ Controls │
    │  ╰──────────╯  ╰──────────╯  │ Trends   │  ╰──────────╯
    │        │              │      ╰──────────╯       │
    │        │              │           │              │
    │        ▼              ▼           ▼              ▼
    │  ╭──────────╮  ╭──────────╮ ╭──────────╮  ╭──────────╮
    │  │ Maintain │  │ Handle   │ │ Plan &   │  │ Conduct  │
    │  │ Chart of │  │ Currency │ │ Forecast │  │ Internal │
    │  │ Accounts │  │ Exchange │ │ Financial│  │ Audits   │
    │  ╰──────────╯  ╰──────────╯  │ Performance│ ╰──────────╯
    │        │              │      ╰──────────╯       │
    │        │              │           │              │
    └────────▼──────────────▼───────────▼──────────────▼
           ╭──────────────────────────────────────────╮
           │        FINANCIAL COMPLIANCE &            │
           │         REGULATORY REPORTING             │
           ╰──────────────────────────────────────────╯
                            │
                            ▼
                      ┌──────────┐
                      │Banking   │
                      │Partners  │
                      │& Tax     │
                      │Authorities│
                      └──────────┘

RELATIONSHIPS:
• Financial Controller ── processes ──── Invoices & Receipts
• Financial Controller ── reconciles ─── Bank Transactions
• Financial Controller ── manages ────── AR/AP
• Financial Controller ── generates ──── Financial Reports
• Finance Manager ────── reviews ─────── Financial Reports
• Finance Manager ────── approves ───── Major Transactions
• Finance Manager ────── monitors ───── Budget Performance
• External Auditor ───── accesses ───── Audit Trails
• External Auditor ───── validates ──── Compliance
• Banking Partners ───── provide ────── Transaction Data
• Tax Authorities ────── receive ────── Tax Filings

SYSTEM REQUIREMENTS SUPPORTED:
StR-013: Automated reconciliation
StR-014: Compliance reporting
StR-015: Audit trail capabilities
StR-016: Integration with banking systems
StR-029: Financial transaction processing
StR-034: Comprehensive financial management
StR-035: Automated reconciliation
StR-036: Compliance reporting capabilities
StR-037: Audit trail maintenance
StR-054: Comprehensive receipt and invoice processing
StR-055: Automated payment processing
StR-056: Financial reporting and analysis
StR-062: German banking systems integration
StR-082: GDPR/DSGVO compliance
StR-084: German tax and accounting compliance
```

---

## 6. System Architecture Stakeholder Impact

### 6.1 Deployment Architecture Impact

```
DUAL-MODE DEPLOYMENT STAKEHOLDER IMPACT ANALYSIS

┌─────────────────────────────────────────────────────────────────────────┐
│                      ON-PREMISE WPF CLIENT                             │
├─────────────────────────────────────────────────────────────────────────┤
│                                                                         │
│  STAKEHOLDER GROUPS:                    BENEFITS:                       │
│  • System Administrators               • Full system control            │
│  • IT Support Staff                    • Local data storage             │
│  • Power Users (Finance, Sales)        • Rich UI experience             │
│  • Compliance Officers                 • Offline capabilities           │
│                                                                         │
│  CONCERNS:                             REQUIREMENTS:                    │
│  • Hardware maintenance                • StR-079: Windows compatibility │
│  • Software updates                    • StR-065: Performance targets   │
│  • Local backup management             • StR-072: Backup systems       │
│  • Security patch management           • StR-073: Data encryption      │
│                                                                         │
└─────────────────────────────────────────────────────────────────────────┘
                                │
                                ▼
┌─────────────────────────────────────────────────────────────────────────┐
│                     WEB SERVICES / CLOUD MODE                          │
├─────────────────────────────────────────────────────────────────────────┤
│                                                                         │
│  STAKEHOLDER GROUPS:                    BENEFITS:                       │
│  • Remote Users                        • Remote access capability       │
│  • Customer End Users                  • Reduced IT overhead           │
│  • External Partners                   • Automatic updates             │
│  • Mobile Workers                      • Cross-platform access         │
│                                                                         │
│  CONCERNS:                             REQUIREMENTS:                    │
│  • Internet dependency                 • StR-070: 99.5% uptime         │
│  • Data security in transit           • StR-080: Browser compatibility │
│  • Performance over networks          • StR-061: Real-time sync        │
│  • Service availability               • StR-041: Performance monitoring │
│                                                                         │
└─────────────────────────────────────────────────────────────────────────┘
                                │
                                ▼
┌─────────────────────────────────────────────────────────────────────────┐
│                       HYBRID DEPLOYMENT                                │
├─────────────────────────────────────────────────────────────────────────┤
│                                                                         │
│  STAKEHOLDER IMPACT:                    COMPLEXITY FACTORS:             │
│  • Requires dual authentication        • User management complexity     │
│  • Data synchronization challenges     • Version control challenges    │
│  • Increased support complexity        • Security boundary management  │
│  • Training for multiple interfaces    • Performance monitoring needs  │
│                                                                         │
│  MITIGATION STRATEGIES:                 SUCCESS FACTORS:                │
│  • Single sign-on implementation       • Clear deployment guidelines   │
│  • Automated synchronization           • Comprehensive testing         │
│  • Unified support procedures          • User communication plan       │
│  • Consistent UI experience            • Change management support     │
│                                                                         │
└─────────────────────────────────────────────────────────────────────────┘
```

### 6.2 Technology Stack Impact Analysis

```
TECHNOLOGY STACK STAKEHOLDER IMPACT MATRIX

┌─────────────────┬──────────────────┬──────────────────┬──────────────────┐
│  TECHNOLOGY     │   STAKEHOLDER    │     IMPACT       │   REQUIREMENTS   │
│  COMPONENT      │     GROUPS       │    ANALYSIS      │    SUPPORTED     │
├─────────────────┼──────────────────┼──────────────────┼──────────────────┤
│ .NET 8          │ • IT Staff       │ + Modern platform│ StR-079: Windows │
│ Framework       │ • Developers     │ + Good performance│ compatibility    │
│                 │ • Management     │ - Windows lock-in │ StR-065: Response│
│                 │                  │ + Security updates│ times            │
├─────────────────┼──────────────────┼──────────────────┼──────────────────┤
│ WPF UI          │ • End Users      │ + Rich interface │ StR-048: Modern │
│ Framework       │ • Power Users    │ + Customizable   │ UI               │
│                 │ • Admins         │ + Offline capable│ StR-076: Intuitive│
│                 │                  │ - Desktop only   │ navigation       │
├─────────────────┼──────────────────┼──────────────────┼──────────────────┤
│ DevExpress      │ • End Users      │ + Professional UI│ StR-077: Custom  │
│ 24.2.7          │ • UX Designers   │ + Advanced controls│ interfaces      │
│                 │ • Management     │ + Licensing costs│ StR-048: Modern  │
│                 │                  │ + Support quality│ UI               │
├─────────────────┼──────────────────┼──────────────────┼──────────────────┤
│ SQL Server      │ • DBAs           │ + Enterprise grade│ StR-069: Data    │
│ Database        │ • IT Staff       │ + Reliable backup│ scalability      │
│                 │ • Auditors       │ + Audit features │ StR-072: Auto    │
│                 │                  │ - Licensing costs│ backup           │
├─────────────────┼──────────────────┼──────────────────┼──────────────────┤
│ NHibernate      │ • Developers     │ + Mature ORM     │ StR-043: Data    │
│ ORM             │ • DBAs           │ + Database agnostic│ consistency     │
│                 │ • Performance    │ - Learning curve │ StR-042: Real-time│
│                 │   Analysts       │ + Caching support│ updates          │
├─────────────────┼──────────────────┼──────────────────┼──────────────────┤
│ REST APIs       │ • Integration    │ + Standard protocol│ StR-060: External│
│                 │   Teams          │ + Interoperable  │ integration      │
│                 │ • External       │ + Scalable       │ StR-038: API     │
│                 │   Partners       │ + Documentation  │ connectivity     │
├─────────────────┼──────────────────┼──────────────────┼──────────────────┤
│ German          │ • German Users   │ + Market fit     │ StR-049: German/ │
│ Localization    │ • Compliance     │ + Compliance     │ English support  │
│                 │   Officers       │ + User adoption  │ StR-082: GDPR    │
│                 │                  │ - Limited markets│ compliance       │
└─────────────────┴──────────────────┴──────────────────┴──────────────────┘

IMPACT LEGEND:
+ Positive impact on stakeholder group
- Challenge or limitation for stakeholder group
• Neutral impact requiring management

RISK MITIGATION STRATEGIES:
1. Platform Lock-in: Web services provide cross-platform access
2. Licensing Costs: Business case justification and volume licensing
3. Learning Curves: Comprehensive training and documentation
4. Market Limitations: Localization framework for future expansion
5. Performance Concerns: Comprehensive testing and optimization
```

---

## 7. Requirements Visualization Matrix

### 7.1 Stakeholder-Requirement Mapping

```
COMPREHENSIVE STAKEHOLDER-REQUIREMENT MAPPING MATRIX

                 FUNCTIONAL REQUIREMENTS
                 │                    │                    │
    STAKEHOLDERS │ User Mgmt &        │ Business Process   │ Integration
                 │ Security           │ Support            │ Requirements
                 │                    │                    │
┌────────────────┼────────────────────┼────────────────────┼──────────────────┐
│Sales Staff     │ StR-046,047,048,049│ StR-021,022,024,   │ StR-060,061      │
│                │ (Authentication,   │ 050,051,052,053    │ (API Integration,│
│                │  RBAC, Modern UI,  │ (CRM, Customer     │  Data Sync)      │
│                │  Localization)     │  Management, Sales)│                  │
├────────────────┼────────────────────┼────────────────────┼──────────────────┤
│Finance Staff   │ StR-046,047,048    │ StR-025,026,029,   │ StR-062          │
│                │ (Authentication,   │ 034,035,036,037,   │ (Banking         │
│                │  RBAC, Modern UI)  │ 054,055,056        │  Integration)    │
│                │                    │ (Financial Mgmt)   │                  │
├────────────────┼────────────────────┼────────────────────┼──────────────────┤
│Helpdesk Staff  │ StR-046,047,048    │ StR-030,031,032,   │ StR-060          │
│                │ (Authentication,   │ 033,057,058,059    │ (API Integration)│
│                │  RBAC, Modern UI)  │ (Ticket Management)│                  │
├────────────────┼────────────────────┼────────────────────┼──────────────────┤
│System Admins   │ StR-005,006,007,   │ Administrative     │ StR-038,039,040, │
│                │ 008,046,047        │ Processes          │ 041,045          │
│                │ (User Mgmt,        │                    │ (API Management) │
│                │  Monitoring)       │                    │                  │
├────────────────┼────────────────────┼────────────────────┼──────────────────┤
│Customers       │ StR-048,049        │ StR-022,023        │ StR-017,018,019, │
│                │ (UI, Localization) │ (Customer Service) │ 020              │
│                │                    │                    │ (Integration     │
│                │                    │                    │  Support)        │
├────────────────┼────────────────────┼────────────────────┼──────────────────┤
│External APIs   │ StR-018            │ StR-027,028        │ StR-038,039,040, │
│                │ (Authentication)   │ (Business Process  │ 042,043,044      │
│                │                    │  Integration)      │ (Data Sync,      │
│                │                    │                    │  Error Handling) │
├────────────────┼────────────────────┼────────────────────┼──────────────────┤
│Regulatory      │ StR-047,049        │ StR-036,037        │ N/A              │
│Bodies          │ (RBAC, Compliance) │ (Compliance        │                  │
│                │                    │  Reporting)        │                  │
└────────────────┴────────────────────┴────────────────────┴──────────────────┘

                 NON-FUNCTIONAL REQUIREMENTS
                 │                    │                    │
    STAKEHOLDERS │ Performance &      │ Security &         │ Usability &
                 │ Scalability        │ Compliance         │ Compatibility
                 │                    │                    │
┌────────────────┼────────────────────┼────────────────────┼──────────────────┐
│All Users       │ StR-065,066,067,   │ StR-073,074,075    │ StR-076,077,078  │
│                │ 070,071            │ (Data Encryption,  │ (Intuitive UI,   │
│                │ (Response Time,    │  Audit Logs,       │  Customization,  │
│                │  Uptime)           │  Session Mgmt)     │  Accessibility)  │
├────────────────┼────────────────────┼────────────────────┼──────────────────┤
│IT Staff        │ StR-068,069,070,   │ StR-073,074        │ StR-079,080,081  │
│                │ 071,072            │ (Data Protection,  │ (Platform        │
│                │ (Scalability,      │  Audit Trails)     │  Compatibility)  │
│                │  Backup/Recovery)  │                    │                  │
├────────────────┼────────────────────┼────────────────────┼──────────────────┤
│Compliance      │ StR-072            │ StR-082,083,084    │ StR-078          │
│Officers        │ (Data Backup)      │ (GDPR, Data Rights,│ (Accessibility   │
│                │                    │  Tax Compliance)   │  Standards)      │
├────────────────┼────────────────────┼────────────────────┼──────────────────┤
│Management      │ StR-065,066,068,   │ StR-073,082        │ StR-076          │
│                │ 070                │ (Security,         │ (User            │
│                │ (Performance KPIs) │  Compliance)       │  Productivity)   │
└────────────────┴────────────────────┴────────────────────┴──────────────────┘

PRIORITY MATRIX:
■ Critical (High Priority): Core business functions, security, compliance
▓ Important (Medium Priority): Performance, usability, integration reliability
░ Beneficial (Lower Priority): Advanced features, optimization, nice-to-have

DEPENDENCY ANALYSIS:
• Authentication (StR-046,047) → All other functional requirements
• Modern UI (StR-048) → User adoption and productivity requirements
• Data encryption (StR-073) → Compliance and security requirements
• API integration (StR-060) → External service dependent requirements
```

---

## Conclusion

This visual documentation provides comprehensive stakeholder analysis through multiple diagram types, clearly illustrating the complex relationships, processes, and requirements within the Centron Enterprise Application ecosystem. The diagrams support effective communication with stakeholders and provide a visual foundation for system design and implementation planning.

### Key Visual Insights

1. **Stakeholder Ecosystem**: Complex network of internal and external stakeholders with varying influence and interest levels
2. **User Journeys**: Detailed workflows highlighting pain points and system touchpoints for key user personas
3. **Business Processes**: End-to-end process flows showing integration points and stakeholder interactions
4. **System Context**: Clear boundaries and integration patterns with external systems and services
5. **Use Case Coverage**: Comprehensive functional coverage across all major business domains
6. **Architecture Impact**: Technology choices directly affecting stakeholder experience and capabilities

### Implementation Recommendations

- Use these diagrams as communication tools with stakeholders during requirements validation
- Reference user journey maps during UI/UX design phases
- Leverage process flows for integration planning and testing scenarios
- Apply context diagrams for security boundary and API design decisions
- Utilize requirement matrices for traceability and impact analysis during changes

---

**Document Control**
- **Visual Standards**: All diagrams follow consistent notation and formatting
- **Maintenance**: Update diagrams when stakeholder needs or system architecture changes
- **Related Tools**: Diagrams can be recreated in Visio, Lucidchart, or similar tools
- **Distribution**: Share with technical teams, business analysts, and project stakeholders