feat(gauth): allow multiple redirect URIs

[pan93412]

No description provided.

[linear]

DBP-10 Allow multiple redirect URIs

[Copilot]

Pull Request Overview

This PR enhances the Google OAuth authentication system to support multiple redirect URIs instead of a single redirect URL, improving flexibility for multi-domain applications.

• Changed configuration from single RedirectURL to multiple RedirectURIs
• Added redirect URI validation logic in the callback handler
• Implemented cookie-based redirect URI storage and retrieval

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
internal/config/models.go	Updates GAuthConfig to use slice of redirect URIs instead of single URL
httpapi/auth/root.go	Updates handler initialization to pass redirect URIs array
httpapi/auth/gauth.go	Implements redirect URI validation and cookie-based redirect handling
httpapi/auth/README.md	Updates documentation to mention redirect_uri parameter
docs/config.md	Updates configuration documentation for multiple redirect URIs

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