Add DB indexes for key fields

[dkhalife]

Summary

• index notification TaskID and UserID
• add indexes on CreatedBy for tasks and labels

Testing

• go test ./...

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https://chatgpt.com/codex/tasks/task_e_686b37dc98dc832abdf1e51949e6a02e

[Copilot]

Pull Request Overview

This PR adds database indexes to improve query performance on key fields.

• Adds an index tag to the CreatedBy field in the Task and Label models
• Adds index tags to the TaskID and UserID fields in the Notification model

Reviewed Changes

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

File	Description
internal/models/task.go	Added index tag for CreatedBy field
internal/models/notification.go	Added index tags for TaskID and UserID fields
internal/models/label.go	Added index tag for CreatedBy field

Comments suppressed due to low confidence (2)

internal/models/task.go:14

• Ensure that your database migration or AutoMigrate call is updated to actually create this new index in the production schema.

	CreatedBy    int                        `json:"-" gorm:"column:created_by;not null;index"`

internal/models/label.go:9

• Add a schema or integration test to verify that this new index exists after migrations are applied.

	CreatedBy int        `json:"created_by" gorm:"column:created_by;not null;index"`

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

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