feat(identity): add token lifespan percentage

[zmoog]

Goal

Refresh the token a little earlier to reduce the chances of using an expired token.

[Copilot]

Pull Request Overview

Implements refresh token functionality for the identity management system, refactoring the token structure and improving expiration handling.

• Introduces a Config struct to replace individual parameter passing in constructors
• Updates Token structure to use int type for ExpiresIn field and adds RefreshToken support
• Adds calculateExpiresAt helper function that implements 90% token lifespan usage to prevent expiration during requests

Reviewed Changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
ws/identity/config.go	New configuration struct for identity manager parameters
ws/identity/identity.go	Updated Token struct with int ExpiresIn and simplified IsExpired logic
ws/identity/retriever.go	Refactored token retrieval with proper response parsing and shared expiration calculation
ws/identity/manager.go	Updated constructors to use Config struct instead of individual parameters
ws/identity/manager_test.go	Updated test to use new Config-based constructor
cmd/rooms.go	Updated to use Config struct and removed commented code
cmd/login.go	Updated to use Config struct and consistent output function
cmd/devices.go	Updated to use Config struct

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[Copilot]

Pull Request Overview

Copilot reviewed 8 out of 8 changed files in this pull request and generated 1 comment.

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