ADR-0008: Visualization — Tabular

Decision: Five output targets from one TabularView class.

Format selection logic:

• view.show() → terminal (rich if installed, plain ASCII fallback)
• view.display() → Jupyter IPython.display(HTML(...))
• view.to_html(path) → self-contained dark-theme HTML, sortable columns
• view.to_csv(path) → UTF-8-BOM CSV (Power BI-compatible)
• view.to_excel(path) → openpyxl, one sheet per STIX type

Column definitions in _COLUMNS dict: Maps STIX type → list of fields to display. Update this when adding new ORM types or important x_ extension fields. The _default key is the fallback for unknown types.

Sort order for numeric fields: _sort() negates numeric values so they sort descending by default. Confidence 90 appears before confidence 10.

Power BI Excel compatibility notes:

• Column types are inferred by Power BI from cell values — ensure numeric fields (confidence, x_cvss_score) contain actual numbers, not strings.
• The Relationships sheet uses source_ref/target_ref columns that Power BI’s graph visual maps to from/to node ids. Do not rename these.
• to_model_json() generates the data model descriptor with foreign key relationships pre-wired.

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