RiverSync
SPEC-ERD-PTL · v0.2
13 June 2026
Owner: Platform team

Portal — data model drill-down

The entities behind portal.riversync.com: the customer's devices, their alert stream, per-device agreement visibility, and the service that keeps everything running.

DraftRenders from the central catalog
Drill-down of the master ERD. Requirements: SPEC-APP-PTL + master SPEC-PRD. Entities and DM-rules render from erd/erd-entities.js — definitions are never copied per document.

1Device monitoring

Sources: PTL-1…3 · the agreement cluster is detailed in the Account and Partners drill-downs.PTL-D1
RiverSync Co., Ltd. · BangkokSPEC-ERD-PTL · 1 of 2

2Service & messaging

Sources: PTL-2, PTL-4 · alarm → ticket → engineer visit, with chat threads alongside.PTL-D2

3Conditions in play

The DM-rules that bind this app's surfaces — rendered from the central catalog; the master holds the full set.

4Revision history

VersionDateChanges
0.112 Jun 2026First drill-down — split out of SPEC-ERD v0.4; monitoring and service diagrams
0.213 Jun 2026Vocabulary — "Fleet monitoring" is now "Device monitoring" (SPEC-ERD v0.7 rename); diagrams and rules unchanged
RiverSync Co., Ltd. · BangkokSPEC-ERD-PTL · 2 of 2