Refactor frontend build and chart initialization

Moves chart data to JSON file for better separation of concerns
Implements lazy chart initialization in reports module
Updates build script and npm dependencies
Removes hardcoded chart scripts from Razor page

CLAUDE.md

@@ -12,46 +12,18 @@ PlanTempus is a .NET 9 web application built with ASP.NET Core Razor Pages. It u
 
 ## Build and Development Commands
 
-### Prerequisites
-- .NET 9.0 SDK or later
-- PostgreSQL database
-
-### Common Commands
-
-```bash
-# Build the solution
-dotnet build
-
-# Run the main application
-dotnet run --project Application/PlanTempus.Application.csproj
-
-# Run with specific launch profile
-dotnet run --project Application/PlanTempus.Application.csproj --launch-profile https
-
-# Run tests
-dotnet test
-
-# Run specific test project
-dotnet test Tests/PlanTempus.X.TDD.csproj
-dotnet test PlanTempus.X.BDD/PlanTempus.X.BDD.csproj
-
-# Clean build artifacts
-dotnet clean
-
-# Restore dependencies
-dotnet restore
-```
-
 ### TypeScript/Frontend Development
 
-The application uses esbuild for TypeScript compilation. From the Application directory:
+**IMPORTANT:** All TypeScript/frontend commands must be run from `PlanTempus.Application/` folder, not from the solution root.
 
 ```bash
+cd PlanTempus.Application
+
 # Install npm dependencies
 npm install
 
-# Build TypeScript (requires custom build script setup)
-# Note: No npm scripts are currently defined in package.json
+# Build TypeScript
+npm run build
 ```
 
 ## Architecture Overview