chore: Upgrade to Ng 19.1

[DaveSkender]

and refactor API slightly

Copilot reviewed 7 out of 7 changed files in this pull request and generated no comments.

[Copilot]

Copilot reviewed 14 out of 29 changed files in this pull request and generated 1 comment.

Files not reviewed (15)

• .devcontainer/devcontainer.json: Language not supported
• .editorconfig: Language not supported
• .vscode/extensions.json: Language not supported
• .vscode/settings.json: Language not supported
• .vscode/tasks.json: Language not supported
• client/angular.json: Language not supported
• client/package.json: Language not supported
• server/Directory.Packages.props: Language not supported
• client/src/polyfills.ts: Evaluated as low risk
• server/Functions/UpdateQuotes.cs: Evaluated as low risk
• server/Functions/Program.cs: Evaluated as low risk
• server/WebApi/Models/ChartColors.cs: Evaluated as low risk
• server/WebApi/Models/Emum.cs: Evaluated as low risk
• server/WebApi/Models/ChartConfig.cs: Evaluated as low risk
• server/WebApi/Models/ChartThreshold.cs: Evaluated as low risk

Comments suppressed due to low confidence (3)

server/WebApi/Endpoints.cs:9

• Incorrect class declaration syntax. It should be 'public class Main : ControllerBase' with a separate constructor.

public class Main(IQuoteService quoteService) : ControllerBase

server/WebApi/Models/IndicatorParamConfig.cs:9

• The comment for the 'Minimum' property is ambiguous. It should specify what the value is greater than.

public required double Minimum { get; init; } // greater than

server/WebApi/Models/IndicatorParamConfig.cs:10

• The comment for the 'Maximum' property is ambiguous. It should specify what the value is less than.

public required double Maximum { get; init; } // less than