erDiagram
    prompts {
        INTEGER id PK
        DATETIME created_at
        DATETIME updated_at
        DATETIME deleted_at
        VARCHAR name
        VARCHAR system_prompt
    }
    prompt_config {
        INTEGER id PK
        DATETIME created_at
        DATETIME updated_at
        DATETIME deleted_at
        VARCHAR name
        INTEGER prompt_id FK
        INTEGER model_id FK
        INTEGER research_tier_id FK
        VARCHAR research_tier
    }
    prompt_pair {
        INTEGER id PK
        DATETIME created_at
        DATETIME updated_at
        DATETIME deleted_at
        VARCHAR name
        INTEGER prompt_a_id FK
        INTEGER prompt_b_id FK
    }
    llm_models {
        INTEGER id PK
        DATETIME created_at
        DATETIME updated_at
        DATETIME deleted_at
        VARCHAR name
        VARCHAR nickname
        VARCHAR description
        VARCHAR prompts
    }
    research_tiers {
        INTEGER id PK
        DATETIME created_at
        DATETIME updated_at
        DATETIME deleted_at
        VARCHAR name
        VARCHAR prompts
    }
    llm_servers {
        INTEGER id PK
        DATETIME created_at
        DATETIME updated_at
        DATETIME deleted_at
        VARCHAR name
        VARCHAR address
        INTEGER port
        VARCHAR proto
    }
    wbs_tasks {
        INTEGER id PK
        DATETIME created_at
        DATETIME updated_at
        DATETIME deleted_at
        VARCHAR component
        VARCHAR name
        VARCHAR status
        BOOLEAN is_breaking
        INTEGER estimated_hours
        VARCHAR started_at
        VARCHAR completed_at
        INTEGER phase_id FK
        INTEGER dependency_id FK
    }
    wbs_phases {
        INTEGER id PK
        DATETIME created_at
        DATETIME updated_at
        DATETIME deleted_at
        VARCHAR name
        INTEGER sequence
    }
    ast {
        INTEGER id PK
        DATETIME created_at
        DATETIME updated_at
        DATETIME deleted_at
        VARCHAR name
        VARCHAR file_path
        VARCHAR file_hash
    }
    compiler_config {
        INTEGER id PK
        DATETIME created_at
        DATETIME updated_at
        DATETIME deleted_at
        INTEGER id PK
        VARCHAR name
        BOOLEAN is_active
    }
    compilation_queue {
        INTEGER id PK
        DATETIME created_at
        DATETIME updated_at
        DATETIME deleted_at
        INTEGER id PK
        TEXT code_content
        VARCHAR status
        TEXT result_log
        BLOB bytecode_output
        DATETIME created_at
    }
    build_history {
        INTEGER id PK
        DATETIME created_at
        DATETIME updated_at
        DATETIME deleted_at
        INTEGER id PK
        VARCHAR label
        DATETIME created_at
        INTEGER compiler_config_id FK
        INTEGER ast_id FK
    }
    compile_jobs {
        INTEGER id PK
        DATETIME created_at
        DATETIME updated_at
        DATETIME deleted_at
        VARCHAR description
        VARCHAR status
        INTEGER ast_id FK
        INTEGER config_id FK
        INTEGER manifest_id FK
        VARCHAR ast
    }
    prompt_config ||--o{ prompts : references
    prompt_config ||--o{ llm_models : references
    prompt_config ||--o{ research_tiers : references
    prompt_pair ||--o{ prompt_config : references
    prompt_pair ||--o{ prompt_config : references
    wbs_tasks ||--o{ wbs_phases : references
    wbs_tasks ||--o{ wbs_tasks : references
    build_history ||--o{ compiler_config : references
    build_history ||--o{ ast : references
    compile_jobs ||--o{ ast : references
    compile_jobs ||--o{ compiler_config : references
    compile_jobs ||--o{ manifests : references