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docs: sync from backend cab0719 - align request budget validation

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Siavash Sameni
2026-05-31 14:46:59 +04:00
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02 - Data Models/Data Model Overview.md
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@@ -6,7 +6,7 @@ aliases: [Models Index, Schema Overview]
# Data Model Overview
This section documents every Mongoose model that backs the marketplace. The persistence layer lives in `backend/src/models/` and is exported through a single barrel file at `backend/src/models/index.ts`. All models target MongoDB via Mongoose, lean on `timestamps: true` for `createdAt` / `updatedAt`, and follow a consistent pattern: one schema per file, an exported `I<Name>` TypeScript interface, and named exports for the compiled model.
This section documents every Mongoose model that backs the marketplace. On backend `integrate-main-into-development@cab0719`, these Mongoose models are still the live application persistence layer. The repo also contains a Drizzle/Postgres migration layer, but most services still call `backend/src/models/*` directly.
> [!note] Scope
> Twenty-two models are present in `backend/src/models/`. The "File" concept exists only at the service layer (`backend/src/services/file/`) and is not persisted as its own Mongoose collection, so it is not listed below.
@@ -14,6 +14,9 @@ This section documents every Mongoose model that backs the marketplace. The pers
> [!note] Documentation freshness
> The 2026-05-24 audit note that marked `Dispute`, `BlogPost`, `Review`, `PointTransaction`, `LevelConfig`, and `ShopSettings` as missing is now stale: schema files exist for those models. Newer operational models such as [[ConfigSetting]], [[DerivedDestination]], [[FundsLedgerEntry]], and [[TrezorAccount]] should be expanded into dedicated model pages when the docs are next deepened.
> [!warning] Mongo vs Postgres runtime status
> Postgres schemas and repositories exist for the money/relational core, but normal app traffic is not fully cut over. Payment quote rows are the only current conditional PG write in checkout, and even that requires `ORACLE_QUOTING_ENABLED=true` plus a resolvable PG payment row. See [[Postgres Runtime Cutover Status]].
## Index of Models
- [[User]] — Core identity. Stores credentials, profile, preferences, referral data, points, and WebAuthn passkeys. Every other model that records "who did what" points back at a `User._id`. Buyers, sellers, and admins all live in this collection, differentiated by a `role` enum.