feat(inbox): add force-refresh

[andrinoff]

No description provided.

[Copilot]

Pull request overview

This PR adds a force-refresh feature to the inbox view, allowing users to manually trigger an email refresh by pressing the 'r' key. The implementation follows the existing message-passing pattern used for other inbox actions and includes minor code formatting improvements.

Key Changes:

• Adds RequestRefreshMsg message type to handle user-initiated refresh requests
• Implements 'r' keybinding in the inbox view that triggers a refresh operation
• Integrates refresh message handling in the main model to coordinate the refresh flow

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
tui/messages.go	Defines new RequestRefreshMsg struct and applies formatting fixes to RefreshingEmailsMsg and spacing cleanup
tui/inbox.go	Adds 'r' keybinding to inbox help text and implements keypress handler that emits RequestRefreshMsg
main.go	Handles RequestRefreshMsg by batching refresh state notification and email fetch operation; includes code alignment fixes

Comments suppressed due to low confidence (2)

main.go:1462

• File handle may be writable as a result of data flow from a call to OpenFile and closing it may result in data loss upon failure, which is not handled explicitly.

		out.Close()

main.go:1466

• File handle may be writable as a result of data flow from a call to OpenFile and closing it may result in data loss upon failure, which is not handled explicitly.

	out.Close()

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[Copilot]

The new refresh keybinding functionality lacks test coverage. Similar keybindings like 'd' (delete) and 'a' (archive) have dedicated test cases in inbox_test.go. Consider adding a test case to verify that pressing 'r' produces a RequestRefreshMsg with the correct mailbox value.