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+# TZZR Database Structure
+
+**Fecha:** 2026-01-17
+**Base de datos:** tzzr @ 72.62.1.113 (DECK)
+**Total:** 99 tablas en 13 schemas
+
+## Schemas
+
+### directus (27 tablas)
+CMS Directus - tablas internas del sistema.
+
+### tzzr_communications (5 tablas)
+Comunicaciones: chat, mail, aliases.
+
+| Tabla | Descripción |
+|-------|-------------|
+| chat | Mensajes de chat |
+| domains | Dominios registrados |
+| mail | Correos |
+| mail_aliases | Alias de correo (3 registros) |
+| short_urls | URLs acortadas |
+
+### tzzr_connection (1 tabla)
+Conexiones a servicios externos.
+
+| Tabla | Descripción |
+|-------|-------------|
+| ai_services | Servicios IA: OpenAI, Anthropic, GRACE modules (20 registros) |
+
+### tzzr_storage (7 tablas)
+Almacenamiento de archivos en buckets R2.
+
+| Tabla | Descripción |
+|-------|-------------|
+| atc | Registro de archivos (2275 registros) - PK: mrf, trigger upsert |
+| atc_status | Estado de archivos por bucket - FK: mrf→atc, bucket_mrf→buckets |
+| bucket_access_log | Log de operaciones en buckets |
+| buckets | Buckets R2: deck, personaldeck (2 registros) |
+| graph_atc | Grafo de archivos |
+| library_atc | Biblioteca de archivos |
+| tree_atc | Árbol de archivos |
+
+### tzzr_system (3 tablas)
+Configuración y credenciales del sistema.
+
+| Tabla | Descripción |
+|-------|-------------|
+| keys | Credenciales DECK (9 servicios) |
+| keys_architect | Credenciales ARCHITECT (5 servicios) |
+| keys_hst | Credenciales HST (2 servicios) |
+
+### tzzr_core_* (7 schemas, 56 tablas)
+Datos de negocio organizados por área.
+
+| Schema | Tablas |
+|--------|--------|
+| tzzr_core_administracion (9) | administracion_bck/mst, graph/library/tree_* |
+| tzzr_core_contabilidad (8) | contabilidad_bck/mst, graph/library/tree_* |
+| tzzr_core_hst (8) | hst, flg, hst_rules, graph/library/tree_* |
+| tzzr_core_itm_base (12) | itm, loc, ply, graph/library/tree_* |
+| tzzr_core_oracle (7) | oracle_mst, graph/library/tree_* |
+| tzzr_core_produccion (4) | mth, graph/library/tree_mth |
+| tzzr_core_secretaria (8) | secretaria_bck/mst, graph/library/tree_* |
+
+## Credenciales por Servidor
+
+### DECK (tzzr_system.keys)
+| service | endpoint |
+|---------|----------|
+| addy | https://alias.tzzrdeck.me |
+| cloudflare_r2 | https://7dedae...r2.cloudflarestorage.com |
+| cloudflare_r2_personal | https://7dedae...r2.cloudflarestorage.com |
+| directus | https://directus.tzzrdeck.me |
+| mailcow | https://mail.tzzrdeck.me |
+| mindlink | - |
+| nextcloud | https://cloud.tzzrdeck.me |
+| shlink | https://short.tzzrdeck.me |
+| vaultwarden | https://key.tzzrdeck.me |
+
+### ARCHITECT (tzzr_system.keys_architect)
+| service | endpoint |
+|---------|----------|
+| cloudflare | https://api.cloudflare.com/client/v4 |
+| cloudflare_r2 | https://7dedae...r2.cloudflarestorage.com |
+| postgresql | postgresql://72.62.1.113:5432/tzzr |
+| runpod | https://api.runpod.io |
+| tzzr_ownership | - |
+
+### HST (tzzr_system.keys_hst)
+| service | endpoint |
+|---------|----------|
+| directus | https://directus.hst |
+| postgresql | postgresql://localhost:5432 |
+
+## DNS tzzrdeck.me
+Todos apuntan a 72.62.1.113:
+- alias, cloud, directus, key, mail, short, addy, atc, chat, files, graph, link, ntfy, pass, threads
+
+## Relaciones Principales
+
+```
+tzzr_storage.buckets ←─── tzzr_storage.atc_status ───→ tzzr_storage.atc
+      (bucket_mrf)              (mrf FK)
+```
+
+---
+*Generado: 2026-01-17*