feat: full text search

[krantheman]

Screen.Recording.2025-07-01.at.10.54.04.AM.mov

[Copilot]

Pull Request Overview

This PR introduces full-text search for email messages using a Redisearch index, integrating indexing into the email lifecycle and adding a search endpoint with UI components.

• Implemented EmailSearch class for building, indexing, and querying a Redisearch index.
• Hooked index creation, document addition, update, and deletion into email message events.
• Exposed a search_mails API and added a search modal plus date formatting utilities in the frontend.

Reviewed Changes

Copilot reviewed 14 out of 15 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
mail/mail/doctype/email_message/search.py	New EmailSearch class to manage Redisearch index operations
mail/mail/doctype/email_message/email_message.py	Integrated index updates on create/update/destroy of email messages
mail/hooks.py	Scheduled and migration-triggered background index build
mail/api/mail.py	Added search_mails endpoint for querying the search index
frontend/src/utils/index.ts	Added getFormattedDate utility for date display
frontend/src/types/doctypes.ts	Updated doc comment timestamps for frontend type definitions
frontend/src/pages/MailboxView.vue	Integrated search modal, date formatting, and search keyboard shortcut
frontend/src/index.css	Adjusted global text color utility class
frontend/src/components/SendMail.vue	Minor UI class cleanup
frontend/src/components/Modals/SearchModal.vue	New search modal component
frontend/src/components/MailListItem.vue	Removed redundant text color class
frontend/src/components/HeaderActions.vue	Added search button and keyboard shortcut handler
frontend/src/components/Controls/HorizontalControl.vue	Simplified conditional class binding
frontend/src/components/AppsMenu.vue	Removed redundant text color class

Comments suppressed due to low confidence (1)

mail/api/mail.py:498

• The function returns a frappe._dict with docs, total, and duration, not a list[dict]. Update the return annotation or transform the output to a plain list structure as documented.

def search_mails(query) -> list[dict]: