refactor: simplify schema names and remove provider id columns

scripts/init_schema.sql

@@ -37,8 +37,7 @@ CREATE TABLE users (
 CREATE TABLE companies (
   id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
   company_key TEXT NOT NULL UNIQUE,
-  display_name TEXT NOT NULL,
-  legal_name TEXT,
+  name TEXT NOT NULL,
   provider_group_id TEXT,
   status VARCHAR(16) NOT NULL DEFAULT 'active',
   created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
@@ -61,7 +60,6 @@ CREATE TABLE systems (
   id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
   system_key TEXT NOT NULL UNIQUE,
   name TEXT NOT NULL,
-  provider_client_id TEXT NOT NULL UNIQUE,
   status VARCHAR(16) NOT NULL DEFAULT 'active',
   created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
   updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
@@ -73,11 +71,10 @@ CREATE TABLE roles (
   system_id UUID NOT NULL REFERENCES systems(id) ON DELETE CASCADE,
   name TEXT NOT NULL,
   description TEXT,
-  provider_role_name TEXT NOT NULL,
   status VARCHAR(16) NOT NULL DEFAULT 'active',
   created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
   updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
-  CONSTRAINT uq_roles_system_provider_role_name UNIQUE (system_id, provider_role_name)
+  CONSTRAINT uq_roles_system_name UNIQUE (system_id, name)
 );
 
 CREATE TABLE site_roles (

scripts/migrate_provider_columns.sql

@@ -14,6 +14,70 @@ BEGIN
   END IF;
 END $$;
 
+-- companies.display_name -> companies.name
+DO $$
+BEGIN
+  IF EXISTS (
+    SELECT 1 FROM information_schema.columns
+    WHERE table_schema = 'public' AND table_name = 'companies' AND column_name = 'display_name'
+  ) AND NOT EXISTS (
+    SELECT 1 FROM information_schema.columns
+    WHERE table_schema = 'public' AND table_name = 'companies' AND column_name = 'name'
+  ) THEN
+    ALTER TABLE public.companies RENAME COLUMN display_name TO name;
+  END IF;
+END $$;
+
+DO $$
+BEGIN
+  IF EXISTS (
+    SELECT 1 FROM information_schema.columns
+    WHERE table_schema = 'public' AND table_name = 'companies' AND column_name = 'legal_name'
+  ) THEN
+    ALTER TABLE public.companies DROP COLUMN legal_name;
+  END IF;
+END $$;
+
+DO $$
+BEGIN
+  IF EXISTS (
+    SELECT 1 FROM information_schema.columns
+    WHERE table_schema = 'public' AND table_name = 'systems' AND column_name = 'provider_client_id'
+  ) THEN
+    ALTER TABLE public.systems DROP COLUMN provider_client_id;
+  END IF;
+END $$;
+
+DO $$
+BEGIN
+  IF EXISTS (
+    SELECT 1 FROM information_schema.columns
+    WHERE table_schema = 'public' AND table_name = 'roles' AND column_name = 'provider_role_name'
+  ) THEN
+    ALTER TABLE public.roles DROP COLUMN provider_role_name;
+  END IF;
+END $$;
+
+DO $$
+BEGIN
+  IF EXISTS (
+    SELECT 1 FROM information_schema.table_constraints
+    WHERE table_schema='public' AND table_name='roles' AND constraint_name='uq_roles_system_provider_role_name'
+  ) THEN
+    ALTER TABLE public.roles DROP CONSTRAINT uq_roles_system_provider_role_name;
+  END IF;
+END $$;
+
+DO $$
+BEGIN
+  IF NOT EXISTS (
+    SELECT 1 FROM information_schema.table_constraints
+    WHERE table_schema='public' AND table_name='roles' AND constraint_name='uq_roles_system_name'
+  ) THEN
+    ALTER TABLE public.roles ADD CONSTRAINT uq_roles_system_name UNIQUE (system_id, name);
+  END IF;
+END $$;
+
 DO $$
 BEGIN
   IF EXISTS (