tenants iteration

to run:

psql from the metabase directory:

```sql
\i tenants.sql
DROP TABLE
CREATE TABLE
INSERT 0 3
```

and api usage:

```shell
// create
❯ http post localhost:3000/api/tenant/ x-api-key:$APIKEY name="jet" -pb
{
    "created_at": "2025-05-16T22:05:58.533144Z",
    "id": 4,
    "name": "jet"
}

// list
❯ http get localhost:3000/api/tenant/ x-api-key:$APIKEY -pb
[
    {
        "created_at": "2025-05-16T22:05:51.587944Z",
        "id": 1,
        "name": "pizza hut"
    },
    {
        "created_at": "2025-05-16T22:05:51.587944Z",
        "id": 2,
        "name": "dominoes"
    },
    {
        "created_at": "2025-05-16T22:05:51.587944Z",
        "id": 3,
        "name": "papa johns"
    },
    {
        "created_at": "2025-05-16T22:05:58.533144Z",
        "id": 4,
        "name": "jet"
    }
]

// update
❯ http put localhost:3000/api/tenant/4 x-api-key:$APIKEY name="via313" -pb
1
```

src/metabase/api_routes/routes.clj

@@ -48,6 +48,7 @@
    [metabase.sso.api]
    [metabase.sync.api]
    [metabase.task-history.api]
+   [metabase.tenant.api]
    [metabase.testing-api.api]
    [metabase.testing-api.core]
    [metabase.tiles.api]
@@ -88,6 +89,7 @@
          metabase.settings.api/keep-me
          metabase.setup.api/keep-me
          metabase.task-history.api/keep-me
+         metabase.tenant.api/keep-me
          metabase.testing-api.api/keep-me
          metabase.tiles.api/keep-me
          metabase.upload.api/keep-me
@@ -176,6 +178,7 @@
    "/slack"                (+auth metabase.channel.api/slack-routes)
    "/table"                (+auth 'metabase.api.table)
    "/task"                 (+auth 'metabase.task-history.api)
+   "/tenant"               (+auth 'metabase.tenant.api)
    "/testing"              (if metabase.testing-api.core/enable-testing-routes? 'metabase.testing-api.api pass-thru-handler)
    "/tiles"                (+auth 'metabase.tiles.api)
    "/timeline"             (+auth metabase.timeline.api/timeline-routes)

src/metabase/models/resolution.clj

@@ -77,6 +77,7 @@
     :model/Setting                           metabase.settings.models.setting
     :model/Table                             metabase.models.table
     :model/TaskHistory                       metabase.task-history.models.task-history
+    :model/Tenant                            metabase.tenant.models.tenant
     :model/Timeline                          metabase.timeline.models.timeline
     :model/TimelineEvent                     metabase.timeline.models.timeline-event
     :model/User                              metabase.models.user

src/metabase/tenant/api.clj

@@ -0,0 +1,29 @@
+(ns metabase.tenant.api
+  (:require
+   [metabase.api.common :as api]
+   [metabase.api.macros :as api.macros]
+   [metabase.util.malli.schema :as ms]
+   [metabase.tenant.models.tenant]
+   [toucan2.core :as t2]))
+
+(api.macros/defendpoint :get "/"
+  "list em"
+  [_route-params
+   _query-params
+   _body]
+  (t2/select :model/Tenant))
+
+(api.macros/defendpoint :post "/"
+  "Create a new tenant"
+  [_route-params
+   _query-params
+   body]
+  (t2/insert-returning-instance! :model/Tenant body))
+
+(api.macros/defendpoint :put "/:id"
+  "Create a new tenant"
+  [{:keys [id]} :- [:map [:id ms/PositiveInt]]
+   _query-params
+   body ]
+  (api/check-404 (t2/select-one :model/Tenant :id id))
+  (t2/update! :model/Tenant id body))

src/metabase/tenant/models/tenant.clj

@@ -0,0 +1,9 @@
+(ns metabase.tenant.models.tenant
+  (:require
+   [methodical.core :as methodical]
+   [toucan2.core :as t2]))
+
+(methodical/defmethod t2/table-name :model/Tenant [_model] :tenant)
+
+(doto :model/Tenant
+  (derive :metabaes/model))