Data Definition Document: Finance Reconciliation

Domain: Finance (Ledger, Budget, AP, AR) Logical Sub-Domain: Compliance (Audit & Matching) Physical Packages: @sd/mod-finance/compliance Related Documents: Process Blueprint Context: This document defines the Data Structures for Bank Auditing. Source: packages/modules/finance/src/compliance/reconciliation.ts

0. Entity Relationship Diagram (ERD)

erDiagram
    BANK_STATEMENT ||--o{ BANK_TRANSACTION : "contains"
    BANK_TRANSACTION |o--o| JOURNAL_ENTRY : "matches"

    BANK_STATEMENT {
        string id PK
        string fileName
        float closingBalance
        enum status "uploaded, parsed, reconciled"
    }

    BANK_TRANSACTION {
        string id PK
        date date
        string description
        float amount
        enum matchStatus "unmatched, matched"
    }

1. Primary Entities

Entity: BankStatement

A digital twin of the PDF.

Field	Type	Required	Description
id	string	Yes	Unique ID.
metadata	object	Yes	Accounts #, Opening/Closing Balances.
analysis	object	No	AI Insights (Anomalies).
status	string	Yes	uploaded, parsed, reconciled.

Entity: BankTransaction

A single line from the statement.

Field	Type	Required	Description
statementId	string	Yes	Parent File.
amount	number	Yes	Positive (Dep) or Negative (With).
description	string	Yes	Raw text.
matchStatus	string	Yes	unmatched, potential, matched.
matchedLedgerId	string	No	Link to GL Entry.

4. Changelog

Date	Author	Description	Reference
2026-01-24	Antigravity	Initial creation	Implementation Plan

Version History

Version	Date	Author	Change
0.1.0	2026-01-26	Antigravity	Initial Audit & Metadata Injection