Initial commit

src/PowderCoating.Shared/Constants/AppConstants.cs

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+namespace PowderCoating.Shared.Constants;
+
+public static class AppConstants
+{
+    public const string ApplicationName = "Powder Coating Management System";
+    public const string Version = "1.0.0";
+
+    /// <summary>Set to true to enable SMS features throughout the UI.</summary>
+    public const bool SmsEnabled = false;
+    
+    public static class Roles
+    {
+        // System-level roles
+        public const string SuperAdmin = "SuperAdmin";  // Platform administrator
+
+        // Legacy company-level roles (deprecated - use CompanyRole field instead)
+        public const string Administrator = "Administrator";
+        public const string Manager = "Manager";
+        public const string Employee = "Employee";
+        public const string ShopFloor = "ShopFloor";
+        public const string ReadOnly = "ReadOnly";
+    }
+
+    public static class CompanyRoles
+    {
+        public const string CompanyAdmin = "CompanyAdmin";
+        public const string Manager = "Manager";
+        public const string Worker = "Worker";
+        public const string Viewer = "Viewer";
+    }
+    
+    public static class Policies
+    {
+        // System-level policies
+        public const string SuperAdminOnly = "SuperAdminOnly";
+        public const string CompanyAdminOnly = "CompanyAdminOnly";
+        public const string CanManageUsers = "CanManageUsers";
+        public const string CanViewData = "CanViewData";
+
+        // Permission-based policies
+        public const string CanManageJobs = "CanManageJobs";
+        public const string CanManageInventory = "CanManageInventory";
+        public const string CanManageCustomers = "CanManageCustomers";
+        public const string CanCreateQuotes = "CanCreateQuotes";
+        public const string CanManageCalendar = "CanManageCalendar";
+        public const string CanViewCalendar = "CanViewCalendar";
+        public const string CanManageProducts = "CanManageProducts";
+        public const string CanViewProducts = "CanViewProducts";
+        public const string CanManageEquipment = "CanManageEquipment";
+        public const string CanManageVendors = "CanManageVendors";
+        public const string CanManagePurchaseOrders = "CanManagePurchaseOrders";
+        public const string CanManageMaintenance = "CanManageMaintenance";
+        public const string CanManageInvoices = "CanManageInvoices";
+        public const string CanViewReports = "CanViewReports";
+    }
+    
+    public static class FileUpload
+    {
+        public const long MaxFileSize = 10 * 1024 * 1024; // 10 MB
+        public static readonly string[] AllowedImageExtensions = { ".jpg", ".jpeg", ".png", ".gif", ".webp" };
+        public static readonly string[] AllowedDocumentExtensions = { ".pdf", ".doc", ".docx", ".xls", ".xlsx" };
+    }
+    
+    public static class Pagination
+    {
+        public const int DefaultPageSize = 25;
+        public const int MaxPageSize = 100;
+    }
+
+    public static class SubscriptionConstants
+    {
+        public const int GracePeriodDays = 14;
+        public const int UnlimitedValue = -1;
+    }
+    
+    public static class RateLimitPolicies
+    {
+        public const string Auth           = "rl_auth";
+        public const string Registration   = "rl_registration";
+        public const string Public         = "rl_public";
+        public const string Webhook        = "rl_webhook";
+        public const string Ai             = "rl_ai";
+        public const string Authenticated  = "rl_authenticated";
+    }
+
+    /// <summary>
+    /// Canonical feature identifiers written to AiUsageLog.Feature.
+    /// Keep these in sync with any UI display labels in AiUsageReport.
+    /// </summary>
+    public static class AiFeatures
+    {
+        public const string PhotoQuote       = "PhotoQuote";
+        public const string HelpChat         = "HelpChat";
+        public const string ReceiptScan      = "ReceiptScan";
+        public const string AccountSuggest   = "AccountSuggest";
+        public const string ArFollowUp       = "ArFollowUp";
+        public const string FinancialSummary = "FinancialSummary";
+        public const string CashFlowForecast = "CashFlowForecast";
+        public const string AnomalyDetection = "AnomalyDetection";
+    }
+
+    public static class Legal
+    {
+        /// <summary>
+        /// Bump this string whenever the Terms of Service content changes.
+        /// The new value will be recorded on all future acceptances.
+        /// Format: YYYY-MM-DD of the effective date.
+        /// </summary>
+        public const string CurrentTosVersion = "2026-04-09";
+    }
+
+    public static class PowderInsights
+    {
+        public const int Layer3MinJobs = 150;  // Minimum jobs with actual powder data before Layer 3 predictive features unlock
+        public const int Layer2MinJobs = 10;   // Minimum for efficiency trending to be meaningful
+    }
+}
+

src/PowderCoating.Shared/PowderCoating.Shared.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>