Split dbo schema into per-domain SQL schemas (#274)

docs/web/diagrams/database-schema.md

@@ -1,39 +1,46 @@
 # Database Schema
 
-Five diagrams, one per schema category — mirrors the `identity` / `media` /
-`location` / `brewery` / `beer` schema split. Every table also has a
+Six diagrams, one per SQL Server schema — mirrors the `Auth` / `Geolocation` /
+`Media` / `Brewery` / `Beer` / `Social` schema split under
+`web/backend/Database/Database.Migrations/scripts/`. Every table also has a
 `RowVersion ROWVERSION` column (optimistic concurrency), omitted below for
 brevity. Tables marked `(*)` have no repository/feature slice yet.
 
-Boxes with no attribute list (e.g. `Photo` in the identity diagram) are owned by
-a different schema and shown only to keep the relationship visible; see the
+Boxes with no attribute list (e.g. `Photo` in the auth diagram) are owned by a
+different schema and shown only to keep the relationship visible; see the
 diagram named after that schema for its full definition.
 
-## Identity (`identity`)
+## Auth (`Auth`)
 
 ```mermaid
---8<-- "web/diagrams/database-schema/identity.mmd"
+--8<-- "web/diagrams/database-schema/auth.mmd"
 ```
 
-## Media (`media`)
+## Social (`Social`)
+
+```mermaid
+--8<-- "web/diagrams/database-schema/social.mmd"
+```
+
+## Media (`Media`)
 
 ```mermaid
 --8<-- "web/diagrams/database-schema/media.mmd"
 ```
 
-## Location (`location`)
+## Geolocation (`Geolocation`)
 
 ```mermaid
---8<-- "web/diagrams/database-schema/location.mmd"
+--8<-- "web/diagrams/database-schema/geolocation.mmd"
 ```
 
-## Brewery (`brewery`)
+## Brewery (`Brewery`)
 
 ```mermaid
 --8<-- "web/diagrams/database-schema/brewery.mmd"
 ```
 
-## Beer (`beer`)
+## Beer (`Beer`)
 
 ```mermaid
 --8<-- "web/diagrams/database-schema/beer.mmd"

docs/web/diagrams/database-schema/auth.mmd

@@ -6,12 +6,11 @@ config:
 erDiagram
     User ||--o{ Cred : "has credentials"
     User ||--o| Verify : "has verification"
+
+    %% Cross-schema: defined in full in social.mmd / media.mmd / brewery.mmd / beer.mmd
     User ||--o| Profile : "has profile"
     User ||--o{ Follow : "follows"
     User ||--o{ Follow : "followed by"
-
-    %% Cross-schema: defined in full in media.mmd / brewery.mmd / beer.mmd
-    Profile ||--o{ Avatar : "has avatar history"
     User ||--o{ Photo : "uploads"
     User ||--o{ Brewery : "posts"
     User ||--o{ Beer : "posts"
@@ -43,16 +42,3 @@ erDiagram
         uniqueidentifier UserAccountID "FK, UK"
         datetime VerificationDateTime
     }
-
-    Profile {
-        uniqueidentifier UserProfileID PK
-        uniqueidentifier UserAccountID "FK, UK"
-        nvarchar Biography
-    }
-
-    Follow {
-        uniqueidentifier UserFollowID PK
-        uniqueidentifier UserAccountID FK
-        uniqueidentifier FollowingID FK
-        datetime CreatedAt
-    }

docs/web/diagrams/database-schema/beer.mmd

@@ -8,10 +8,11 @@ erDiagram
     Beer ||--o{ BeerPhoto : "has photos"
     Beer ||--o{ BeerComment : "has comments"
 
-    %% Cross-schema: defined in full in identity.mmd / brewery.mmd / media.mmd
+    %% Cross-schema: defined in full in auth.mmd / brewery.mmd / media.mmd
     User ||--o{ Beer : "posts"
     Brewery ||--o{ Beer : "brews"
     User ||--o{ BeerComment : "comments"
+    BeerPhoto }o--|| Photo : "uses photo"
 
     BeerStyle {
         uniqueidentifier BeerStyleID PK
@@ -41,3 +42,10 @@ erDiagram
         datetime CreatedAt
         datetime UpdatedAt "nullable"
     }
+
+    BeerPhoto {
+        uniqueidentifier BeerPostPhotoID PK
+        uniqueidentifier BeerPostID FK
+        uniqueidentifier PhotoID FK
+        datetime LinkedAt
+    }

docs/web/diagrams/database-schema/brewery.mmd

@@ -9,8 +9,10 @@ erDiagram
     Brewery ||--o{ BreweryPhoto : "has photos"
     Brewery ||--o{ Beer : "brews"
 
-    %% Cross-schema: defined in full in identity.mmd / location.mmd / media.mmd / beer.mmd
+    %% Cross-schema: defined in full in auth.mmd / geolocation.mmd / media.mmd / beer.mmd
     User ||--o{ Brewery : "posts"
+    BreweryLocation }o--|| City : "located in"
+    BreweryPhoto }o--|| Photo : "uses photo"
 
     Brewery {
         uniqueidentifier BreweryPostID PK
@@ -20,3 +22,20 @@ erDiagram
         datetime CreatedAt
         datetime UpdatedAt "nullable"
     }
+
+    BreweryLocation {
+        uniqueidentifier BreweryPostLocationID PK
+        uniqueidentifier BreweryPostID "FK, UK"
+        nvarchar AddressLine1
+        nvarchar AddressLine2 "nullable"
+        nvarchar PostalCode
+        uniqueidentifier CityID FK
+        geography Coordinates "nullable"
+    }
+
+    BreweryPhoto {
+        uniqueidentifier BreweryPostPhotoID PK
+        uniqueidentifier BreweryPostID FK
+        uniqueidentifier PhotoID FK
+        datetime LinkedAt
+    }

docs/web/diagrams/database-schema/geolocation.mmd

@@ -1,10 +1,9 @@
 erDiagram
     Country ||--o{ StateProvince : "has"
     StateProvince ||--o{ City : "has"
-    City ||--o{ BreweryLocation : "located in"
 
     %% Cross-schema: defined in full in brewery.mmd
-    Brewery ||--o| BreweryLocation : "has location"
+    City ||--o{ BreweryLocation : "located in"
 
     Country {
         uniqueidentifier CountryID PK
@@ -24,13 +23,3 @@ erDiagram
         nvarchar CityName
         uniqueidentifier StateProvinceID FK
     }
-
-    BreweryLocation {
-        uniqueidentifier BreweryPostLocationID PK
-        uniqueidentifier BreweryPostID "FK, UK"
-        nvarchar AddressLine1
-        nvarchar AddressLine2 "nullable"
-        nvarchar PostalCode
-        uniqueidentifier CityID FK
-        geography Coordinates "nullable"
-    }

docs/web/diagrams/database-schema/media.mmd

@@ -4,41 +4,16 @@ config:
 ---
 
 erDiagram
+    User ||--o{ Photo : "uploads"
+
+    %% Cross-schema: defined in full in auth.mmd / social.mmd / brewery.mmd / beer.mmd
     Avatar }o--|| Photo : "uses photo"
     Photo ||--o{ BreweryPhoto : "used in"
     Photo ||--o{ BeerPhoto : "used in"
 
-    %% Cross-schema: defined in full in identity.mmd / brewery.mmd / beer.mmd
-    Profile ||--o{ Avatar : "has avatar history"
-    User ||--o{ Photo : "uploads"
-    Brewery ||--o{ BreweryPhoto : "has photos"
-    Beer ||--o{ BeerPhoto : "has photos"
-
     Photo {
         uniqueidentifier PhotoID PK
         nvarchar Hyperlink "nullable"
         uniqueidentifier UploadedByID FK
         datetime UploadedAt
     }
-
-    Avatar {
-        uniqueidentifier UserAvatarID PK
-        uniqueidentifier UserProfileID FK
-        uniqueidentifier PhotoID FK
-        datetime2 ValidFrom
-        datetime2 ValidTo "nullable; at most one row per UserProfileID has ValidTo IS NULL (active avatar)"
-    }
-
-    BreweryPhoto {
-        uniqueidentifier BreweryPostPhotoID PK
-        uniqueidentifier BreweryPostID FK
-        uniqueidentifier PhotoID FK
-        datetime LinkedAt
-    }
-
-    BeerPhoto {
-        uniqueidentifier BeerPostPhotoID PK
-        uniqueidentifier BeerPostID FK
-        uniqueidentifier PhotoID FK
-        datetime LinkedAt
-    }

docs/web/diagrams/database-schema/social.mmd

@@ -0,0 +1,34 @@
+---
+config:
+    layout: elk
+---
+
+erDiagram
+    User ||--o| Profile : "has profile"
+    User ||--o{ Follow : "follows"
+    User ||--o{ Follow : "followed by"
+    Profile ||--o{ Avatar : "has avatar history"
+
+    %% Cross-schema: defined in full in auth.mmd / media.mmd
+    Avatar }o--|| Photo : "uses photo"
+
+    Profile {
+        uniqueidentifier UserProfileID PK
+        uniqueidentifier UserAccountID "FK, UK"
+        nvarchar Biography
+    }
+
+    Follow {
+        uniqueidentifier UserFollowID PK
+        uniqueidentifier UserAccountID FK
+        uniqueidentifier FollowingID FK
+        datetime CreatedAt
+    }
+
+    Avatar {
+        uniqueidentifier UserAvatarID PK
+        uniqueidentifier UserProfileID FK
+        uniqueidentifier PhotoID FK
+        datetime2 ValidFrom
+        datetime2 ValidTo "nullable; at most one row per UserProfileID has ValidTo IS NULL (active avatar)"
+    }