9e9ae249bc
Add anonymized architecture, governance examples, diagrams, and interview materials.\n\nCo-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
60 lines
2.1 KiB
Markdown
60 lines
2.1 KiB
Markdown
# Quotation Semantic Layer - Data Flow DAG
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# SAP Source -> Snowflake -> dbt Transforms -> Semantic Views -> Cortex -> Chatbot Output
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graph LR
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SAP["🗄️ SAP ERP System<br/>(Sales & Discount Data)"]
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EXT["📥 Snowflake<br/>External Stage"]
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RAW["raw.quotations<br/>raw.discount_conditions"]
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STG["STAGING Layer<br/>stg_quotes<br/>stg_discount_conditions<br/>stg_product_master"]
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TRF["TRANSFORM Layer<br/>trf_quotation<br/>trf_chatbot_quotation"]
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DIM["Reference Dimensions<br/>dim_customer_discount_policy<br/>dim_product_portfolio<br/>fct_agreement_discounts"]
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SEMA["SEMANTIC LAYER<br/>sv_quotation<br/>sv_chatbot_quotation"]
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CORTEX["Cortex Analytics<br/>Guardrails & Information Protection<br/>Access Control<br/>Freshness Contract"]
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UI["Snowflake UI<br/>(BI Dashboard)"]
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CHAT["🤖 Internal Workspace<br/>(Chatbot)"]
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SAP -->|Daily Batch 05:00 UTC| EXT
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EXT -->|Load| RAW
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RAW -->|Column mapping<br/>Type casting| STG
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STG -->|Join dimensions<br/>Calculate discounts<br/>Apply governance flags| TRF
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DIM -->|Enrich with policies| TRF
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TRF -->|Expose semantic<br/>business logic<br/>Hide implementation| SEMA
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SEMA -->|Apply guardrails<br/>Protect sensitive information<br/>Enforce freshness| CORTEX
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CORTEX -->|Query & Visualize| UI
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CORTEX -->|LLM consumption<br/>Prompt engineering layer| CHAT
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CHAT -->|<1 min<br/>Quote Answers| USER["👤 Sales & Ops<br/>Team"]
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UI -->|Dashboard<br/>Reporting| OPS["📊 Operations<br/>Team"]
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SEMA -.->|Data Contract<br/>Lineage| AUDIT["🔒 Audit & Compliance<br/>- Access logs<br/>- Policy changes<br/>- Exception escalations"]
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style SAP fill:#d4a574
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style CORTEX fill:#ff9999
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style SEMA fill:#99ccff
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style CHAT fill:#99ff99
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style USER fill:#ffcc99
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style AUDIT fill:#cc99ff
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classDef layer_raw fill:#e1e4e8
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classDef layer_stg fill:#d0d7de
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classDef layer_trf fill:#adb8c1
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classDef layer_sema fill:#6e7681
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class RAW layer_raw
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class STG layer_stg
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class TRF layer_trf
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class SEMA layer_sema
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