docs(erd): remove created_at columns due to switching to UUID v7

docs/erd.puml

@@ -6,7 +6,7 @@
 ' ========== SYSTEM ==========
 
 entity "system.users" as usr {
-    * id : uuid <<generated>>
+    * id : smallserial <<generated>>
     --
     * name : varchar(32)
     * password : text
@@ -14,8 +14,9 @@ entity "system.users" as usr {
 }
 
 entity "system.mime" as mime {
-    * name : varchar(127)
+    * id : smallserial <<generated>>
     --
+    * name : varchar(127)
     * extension : varchar(16)
 }
 
@@ -28,8 +29,8 @@ entity "data.categories" as cty {
     * name : varchar(256)
       notes : text
       color : char(6)
-    * created_at : timestamptz <<generated>>
+    ' * created_at : timestamptz <<generated>>
-    * creator_id : uuid
+    * creator_id : smallint
     ' * is_private : boolean
 }
 
@@ -39,16 +40,16 @@ entity "data.files" as fle {
     * id : uuid <<generated>>
     --
       name : varchar(256)
-    * mime : varchar(127)
+    * mime_id : smallint
     * datetime : timestamptz
       notes : text
     * metadata : jsonb
-    * created_at : timestamptz <<generated>>
+    ' * created_at : timestamptz <<generated>>
-    * creator_id : uuid
+    * creator_id : smallint
     ' * is_private : boolean
 }
 
-fle::mime }o--|| mime::name
+fle::mime_id }o--|| mime::id
 fle::creator_id }o--|| usr::id
 
 entity "data.tags" as tag {
@@ -58,8 +59,8 @@ entity "data.tags" as tag {
       notes : text
       color : char(6)
       category_id : uuid
-    * created_at : timestamptz <<generated>>
+    ' * created_at : timestamptz <<generated>>
-    * creator_id : uuid
+    * creator_id : smallint
     ' * is_private : boolean
 }
 
@@ -90,8 +91,8 @@ entity "data.pools" as pool {
     * name : varchar(256)
       notes : text
     '   parent_id : uuid
-    * created_at : timestamptz
+    ' * created_at : timestamptz
-    * creator_id : uuid
+    * creator_id : smallint
     ' * is_private : boolean
 }
 
@@ -101,7 +102,7 @@ pool::creator_id }o--|| usr::id
 entity "data.file_pool" as fp {
     * file_id : uuid
     * pool_id : uuid
-    * number : integer
+    * number : smallint
 }
 
 fp::file_id }o--|| fle::id
@@ -111,7 +112,7 @@ fp::pool_id }o--|| pool::id
 ' ========== ACCESS ==========
 
 entity "access.files" as acl_f {
-    * user_id : uuid
+    * user_id : smallint
     * file_id : uuid
     --
     * read : boolean
@@ -122,7 +123,7 @@ acl_f::user_id }o--|| usr::id
 acl_f::file_id }o--|| fle::id
 
 entity "access.tags" as acl_t {
-    * user_id : uuid
+    * user_id : smallint
     * tag_id : uuid
     --
     * read : boolean
@@ -135,7 +136,7 @@ acl_t::user_id }o--|| usr::id
 acl_t::tag_id }o--|| tag::id
 
 entity "access.categories" as acl_c {
-    * user_id : uuid
+    * user_id : smallint
     * category_id : uuid
     --
     * read : boolean
@@ -148,7 +149,7 @@ acl_c::user_id }o--|| usr::id
 acl_c::category_id }o--|| cty::id
 
 entity "access.pools" as acl_p {
-    * user_id : uuid
+    * user_id : smallint
     * pool_id : uuid
     --
     * read : boolean
@@ -166,7 +167,7 @@ acl_p::pool_id }o--|| pool::id
 entity "activity.sessions" as ssn {
     * id : uuid <<generated>>
     --
-    * user_id : uuid
+    * user_id : smallint
     * user_agent : varchar(512)
     * started_at : timestamptz
       expires_at : timestamptz
@@ -178,7 +179,7 @@ ssn::user_id }o--|| usr::id
 entity "activity.file_views" as fv {
     * file_id : uuid
     * timestamp : timestamptz
-    * user_id : uuid
+    * user_id : smallint
 }
 
 fv::file_id }o--|| fle::id
@@ -187,7 +188,7 @@ fv::user_id }o--|| usr::id
 entity "activity.tag_uses" as tu {
     * tag_id : uuid
     * timestamp : timestamptz
-    * user_id : uuid
+    * user_id : smallint
     --
     * included : boolean
 }
@@ -198,7 +199,7 @@ tu::user_id }o--|| usr::id
 entity "activity.pool_views" as pv {
     * pool_id : uuid
     * timestamp : timestamptz
-    * user_id : uuid
+    * user_id : smallint
 }
 
 pv::pool_id }o--|| pool::id