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Trust Product: Data Quality Rules & Policies - Product Analysis & Strategic Recommendations

Trust Product: Data Quality Rules & Policies Analysis

Current Architecture Issues

graph TB
    subgraph "Current Problematic Architecture"
        User[Product Manager/Data Engineer]
        User --> |"Must write CEL"| CEL["value.user.id != null && value.user.email.matches('.*@.*')"]
        CEL --> |"Hardcoded paths"| Rule[DataQualityRule]
        Rule --> |"Tightly coupled"| Policy[DataQualityPolicy]
        Policy --> |"Applied to"| Topics[Kafka Topics]
        
        Rule -.->|"Non-reusable"| X1[❌ Can't reuse across schemas]
        CEL -.->|"Technical barrier"| X2[❌ High learning curve]
        Policy -.->|"Maintenance burden"| X3[❌ Schema changes break rules]
    end
    
    style X1 fill:#ffebee
    style X2 fill:#ffebee  
    style X3 fill:#ffebee
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User Journey - Current vs Proposed

journey
    title Data Quality Rule Creation Journey
    section Current Experience
      Learn CEL syntax: 2: User
      Understand schema structure: 2: User
      Write complex expressions: 1: User
      Test and debug: 1: User
      Deploy and pray: 2: User
      Maintain when schema changes: 1: User
    section Proposed Experience
      Browse rule templates: 5: User
      Select appropriate template: 5: User
      Configure via forms: 4: User
      Map fields visually: 4: User
      Preview and test: 5: User
      Deploy with confidence: 5: User
      Auto-adapt to schema changes: 5: User
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Proposed Template Architecture

graph TB
    subgraph "Proposed Template-Based Architecture"
        User[Product Manager/Data Engineer]
        
        subgraph "Rule Template Library"
            RT1[Field Not Null Template]
            RT2[Format Validation Template]
            RT3[Range Check Template]
            RT4[Custom Business Rule Template]
        end
        
        subgraph "Rule Instance Layer"
            RI1[User ID Required Instance]
            RI2[Email Format Instance]  
            RI3[Age Range Instance]
            RI4[Revenue Threshold Instance]
        end
        
        subgraph "Configuration"
            FM[Field Mappings]
            PV[Parameter Values]
            TS[Target Schema]
        end
        
        User --> |"Selects from"| RT1
        RT1 --> |"Creates"| RI1
        RI1 --> FM
        RI1 --> PV
        RI1 --> TS
        
        RI1 --> Policy[Enhanced DataQualityPolicy]
        RI2 --> Policy
        RI3 --> Policy
        RI4 --> Policy
        
        Policy --> Topics[Kafka Topics]
        
        FM -.->|"Reusable"| Green1[✅ Same logic, different fields]
        RT1 -.->|"User-friendly"| Green2[✅ No CEL knowledge required]
        RI1 -.->|"Maintainable"| Green3[✅ Schema evolution support]
    end
    
    style Green1 fill:#e8f5e8
    style Green2 fill:#e8f5e8
    style Green3 fill:#e8f5e8
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Product Strategy Roadmap

gantt
    title Trust Product Enhancement Roadmap
    dateFormat  YYYY-MM-DD
    section Phase 1: Foundation
    Rule Template Engine           :p1-1, 2024-01-01, 45d
    Core Template Library          :p1-2, 2024-01-15, 60d
    Migration Tool                 :p1-3, 2024-02-01, 30d
    Basic Field Mapping UI         :p1-4, 2024-02-15, 45d
    
    section Phase 2: User Experience  
    Visual Rule Builder            :p2-1, 2024-03-15, 45d
    Schema-Aware Field Selector    :p2-2, 2024-04-01, 30d
    Rule Testing & Preview         :p2-3, 2024-04-15, 30d
    Extended Template Library      :p2-4, 2024-05-01, 30d
    
    section Phase 3: Advanced Features
    Rule Composition Engine        :p3-1, 2024-06-01, 45d
    Conditional Rules              :p3-2, 2024-06-15, 45d
    Team Template Sharing          :p3-3, 2024-07-01, 30d
    Schema Evolution Handling      :p3-4, 2024-07-15, 45d
    
    section Phase 4: Platform
    Template Marketplace           :p4-1, 2024-09-01, 45d
    API & Integrations            :p4-2, 2024-09-15, 45d
    Advanced Analytics            :p4-3, 2024-10-01, 30d
    CI/CD Integration             :p4-4, 2024-10-15, 30d
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Business Impact Model

flowchart TD
    subgraph "Current State"
        CS1[High Technical Barrier]
        CS2[Limited User Base] 
        CS3[High Support Overhead]
        CS4[Low Adoption Rate]
        CS5[Limited Revenue Growth]
        
        CS1 --> CS2
        CS2 --> CS4
        CS1 --> CS3
        CS4 --> CS5
    end
    
    subgraph "Future State"
        FS1[User-Friendly Templates]
        FS2[Expanded User Base]
        FS3[Self-Service Capability]
        FS4[High Adoption Rate]
        FS5[Revenue Growth]
        FS6[Competitive Advantage]
        
        FS1 --> FS2
        FS1 --> FS3
        FS2 --> FS4
        FS3 --> FS4
        FS4 --> FS5
        FS4 --> FS6
    end
    
    subgraph "Transformation Metrics"
        M1[5x Rules Created Per Customer]
        M2[30% Higher Customer Satisfaction]
        M3[60% Reduction in Support Tickets]
        M4[2x Customer Expansion Rate]
    end
    
    FS4 --> M1
    FS3 --> M3
    FS6 --> M2
    FS5 --> M4
    
    style CS1 fill:#ffebee
    style CS2 fill:#ffebee
    style CS3 fill:#ffebee
    style CS4 fill:#ffebee
    style CS5 fill:#ffebee
    
    style FS1 fill:#e8f5e8
    style FS2 fill:#e8f5e8
    style FS3 fill:#e8f5e8
    style FS4 fill:#e8f5e8
    style FS5 fill:#e8f5e8
    style FS6 fill:#e8f5e8
    
    style M1 fill:#e3f2fd
    style M2 fill:#e3f2fd
    style M3 fill:#e3f2fd
    style M4 fill:#e3f2fd
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Template System Components

classDiagram
    class RuleTemplate {
        +String id
        +String name
        +String description
        +RuleCategory category
        +List~RuleParameter~ parameters
        +RuleImplementation implementation
        +validate()
        +generateInstance()
    }
    
    class RuleInstance {
        +String id
        +String templateId
        +String name
        +Map~String,FieldSelector~ fieldMappings
        +Map~String,Any~ parameterValues
        +SchemaReference targetSchema
        +execute()
        +updateMappings()
    }
    
    class FieldSelector {
        +String path
        +FieldType type
        +Boolean optional
        +validate()
    }
    
    class DataQualityPolicy {
        +String name
        +List~String~ ruleInstanceIds
        +List~Target~ targetSelectors
        +List~Action~ actions
        +apply()
    }
    
    class TemplateLibrary {
        +Map~String,RuleTemplate~ templates
        +searchByCategory()
        +getPopularTemplates()
        +addCustomTemplate()
    }
    
    RuleTemplate ||--o{ RuleInstance : creates
    RuleInstance ||--o{ FieldSelector : contains
    DataQualityPolicy ||--o{ RuleInstance : references
    TemplateLibrary ||--o{ RuleTemplate : manages
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Implementation Architecture

graph TB
    subgraph "Frontend Layer"
        UI[Template-Based UI]
        VRB[Visual Rule Builder]
        FSM[Field Selector & Mapper]
        RP[Rule Preview]
    end
    
    subgraph "Service Layer"
        TS[Template Service]
        RIS[Rule Instance Service]
        SM[Schema Manager]
        VE[Validation Engine]
    end
    
    subgraph "Data Layer"
        TR[Template Repository]
        RIR[Rule Instance Repository]
        SR[Schema Repository]
        PR[Policy Repository]
    end
    
    subgraph "External Systems"
        SchemaReg[Schema Registry]
        Kafka[Kafka Clusters]
        Gateway[Conduktor Gateway]
    end
    
    UI --> TS
    VRB --> RIS
    FSM --> SM
    RP --> VE
    
    TS --> TR
    RIS --> RIR
    SM --> SR
    VE --> Gateway
    
    SM <--> SchemaReg
    Gateway --> Kafka
    
    style UI fill:#e3f2fd
    style VRB fill:#e3f2fd
    style FSM fill:#e3f2fd
    style RP fill:#e3f2fd
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