fix: apply labels to all selected emails in bulk operations

[Manancode]

• Fixed bulk labeling to work on all selected emails instead of just the right-clicked email
• Updated LabelsList component to use bulkSelected array when applying labels
• Follows same pattern as other bulk operations (favorites, important, read/unread)
• Resolves issue where only the right-clicked email would get labeled despite multiple emails being selected

Closes Can't select multiple emails + Bulk label

See the following screenshots after changes!

Summary by CodeRabbit

• New Features

  • Label changes on email threads are now updated instantly in the interface using optimistic updates, providing immediate visual feedback without waiting for server confirmation.

• Bug Fixes

  • The label checkbox state now accurately reflects the most recent label changes, even before they are saved on the server.

[coderabbitai[bot]]

Walkthrough

The changes refactor label toggling in the mail app to use optimistic state updates instead of server mutations and refetching. A new optimistic label action and state property are introduced, and the label toggle logic in the UI is updated to reflect and manage labels optimistically for both single and bulk thread operations.

Changes

File(s)	Change Summary
apps/mail/components/context/thread-context.tsx	Refactored LabelsList to use optimistic state/actions for label toggling; removed mutation/refetch logic.
apps/mail/components/mail/optimistic-thread-state.tsx	Added optimisticLabels property to optimistic thread state; updated processing for label actions.
apps/mail/hooks/use-optimistic-actions.ts	Added optimisticToggleLabel function and supporting mutation for optimistic label updates.

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant LabelsList
    participant useOptimisticActions
    participant useOptimisticThreadState
    participant Server

    User->>LabelsList: Clicks label checkbox
    LabelsList->>useOptimisticThreadState: Get current optimistic labels
    LabelsList->>useOptimisticActions: optimisticToggleLabel(threadIds, labelId, add/remove)
    useOptimisticActions->>useOptimisticThreadState: Update optimisticLabels state
    useOptimisticActions->>Server: (Async) modifyLabels mutation
    useOptimisticActions->>useOptimisticThreadState: Clear bulk selection (if any)
    LabelsList->>User: UI updates immediately with optimistic label state

Suggested reviewers

• ahmetskilinc

Poem

In the meadow of mail, where labels once lagged,
Now optimism hops—no more waiting, no drag!
With a twitch of a whisker, a label appears,
No server delay, just bunny-like cheers.
Threads wear their tags with a confident grin,
For the magic of optimism now lives within!
🐇✨

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📜 Recent review details

Configuration used: CodeRabbit UI Review profile: CHILL Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 743143a2314350aae82b93d5f4c6150d8642f8f4 and 5aa75c50639118aa5119606599c7eefffd3b6eda.

📒 Files selected for processing (3)

• apps/mail/components/context/thread-context.tsx (2 hunks)
• apps/mail/components/mail/optimistic-thread-state.tsx (2 hunks)
• apps/mail/hooks/use-optimistic-actions.ts (3 hunks)

🚧 Files skipped from review as they are similar to previous changes (3)

• apps/mail/hooks/use-optimistic-actions.ts
• apps/mail/components/context/thread-context.tsx
• apps/mail/components/mail/optimistic-thread-state.tsx

✨ Finishing Touches

• [ ] 📝 Generate Docstrings

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[ahmetskilinc]

@Manancode does this also remove labels too?

[Manancode]

yes @ahmetskilinc , just select the bulk emails and uncheck the label