Add company-scoped brand and company settings API.

brand now carries a NOT NULL company_id (unique per (company_id, name))
with brand.list/upsert/delete backed by resolveCompanyAccess. Adds
companysetting key-value store (list/get/set/delete, frontend flag).

src/schema.js

@@ -212,8 +212,11 @@ IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'brand')
 BEGIN
     CREATE TABLE brand (
         id INT IDENTITY(1,1) PRIMARY KEY,
+        company_id INT NOT NULL,
         name NVARCHAR(255) NOT NULL,
-        gsprpinfo NVARCHAR(MAX) NULL
+        gsprpinfo NVARCHAR(MAX) NULL,
+        CONSTRAINT UQ_brand_company_name UNIQUE (company_id, name),
+        CONSTRAINT FK_brand_company FOREIGN KEY (company_id) REFERENCES company(id) ON DELETE NO ACTION
     );
 END
 `;
@@ -550,6 +553,21 @@ BEGIN
 END
 `;
 
+export const INIT_COMPANYSETTING = `
+IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'companysetting')
+BEGIN
+    CREATE TABLE companysetting (
+        id INT IDENTITY(1,1) PRIMARY KEY,
+        company_id INT NOT NULL,
+        [key] NVARCHAR(255) NOT NULL,
+        value NVARCHAR(MAX) NOT NULL,
+        frontend BIT NOT NULL CONSTRAINT DF_companysetting_frontend DEFAULT 0,
+        CONSTRAINT UQ_companysetting_company_key UNIQUE (company_id, [key]),
+        CONSTRAINT FK_companysetting_company FOREIGN KEY (company_id) REFERENCES company(id) ON DELETE CASCADE
+    );
+END
+`;
+
 /** DDL scripts in dependency order for schema init. */
 export const SCHEMA_SCRIPTS = [
   INIT_META,
@@ -585,4 +603,5 @@ export const SCHEMA_SCRIPTS = [
   INIT_GET_NEXT_NUMBER_WITH_PREFIX_AND_PADDING,
   INIT_COMPANYUSER,
   INIT_SYNCPOS,
+  INIT_COMPANYSETTING,
 ];