[tasks] implement module

go.mod

@@ -26,6 +26,7 @@ require (
 	go.uber.org/fx v1.24.0
 	go.uber.org/zap v1.27.1
 	golang.org/x/crypto v0.49.0
+	golang.org/x/sync v0.20.0
 )
 
 require (
@@ -91,7 +92,6 @@ require (
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
 	golang.org/x/mod v0.33.0 // indirect
 	golang.org/x/net v0.51.0 // indirect
-	golang.org/x/sync v0.20.0 // indirect
 	golang.org/x/sys v0.43.0 // indirect
 	golang.org/x/text v0.35.0 // indirect
 	golang.org/x/tools v0.42.0 // indirect

internal/app.go

@@ -8,6 +8,7 @@ import (
 	"github.com/bit-issues/backend/internal/jwt"
 	"github.com/bit-issues/backend/internal/projects"
 	"github.com/bit-issues/backend/internal/server"
+	"github.com/bit-issues/backend/internal/tasks"
 	"github.com/bit-issues/backend/internal/users"
 	"github.com/go-core-fx/bunfx"
 	"github.com/go-core-fx/fiberfx"
@@ -52,6 +53,7 @@ func Run(version healthfx.Version) {
 		jwt.Module(),
 		users.Module(),
 		projects.Module(),
+		tasks.Module(),
 		//
 		fx.Invoke(func(lc fx.Lifecycle, logger *zap.Logger) {
 			lc.Append(fx.Hook{

internal/db/migrations/20260414000000_create_tasks.sql

@@ -0,0 +1,48 @@
+-- +goose Up
+-- +goose StatementBegin
+CREATE TABLE `tasks` (
+    `id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
+    `project_slug` VARCHAR(255) NOT NULL,
+    `number` INT NOT NULL,
+    `title` VARCHAR(255) NOT NULL,
+    `description` TEXT,
+    `priority` ENUM(
+        'Trivial',
+        'Minor',
+        'Major',
+        'Critical',
+        'Blocker'
+    ) NOT NULL DEFAULT 'Minor',
+    `status` ENUM(
+        'New',
+        'Open',
+        'In Progress',
+        'Resolved',
+        'Closed',
+        'Reopened'
+    ) NOT NULL DEFAULT 'New',
+    `author_id` BIGINT UNSIGNED NOT NULL,
+    `assignee_id` BIGINT UNSIGNED,
+    `due_date` DATE,
+    `created_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    `updated_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    `deleted_at` DATETIME,
+    PRIMARY KEY (`id`),
+    UNIQUE KEY `idx_tasks_project_number` (`project_slug`, `number`),
+    KEY `idx_tasks_author_id` (`author_id`),
+    KEY `idx_tasks_assignee_id` (`assignee_id`),
+    KEY `idx_tasks_status_priority` (`status`, `priority`),
+    KEY `idx_tasks_created_at` (`created_at`),
+    KEY `idx_tasks_due_date` (`due_date`),
+    KEY `idx_tasks_deleted_at` (`deleted_at`),
+    CONSTRAINT `fk_tasks_project` FOREIGN KEY (`project_slug`) REFERENCES `projects`(`id`) ON DELETE CASCADE,
+    CONSTRAINT `fk_tasks_author` FOREIGN KEY (`author_id`) REFERENCES `users`(`id`) ON DELETE RESTRICT,
+    CONSTRAINT `fk_tasks_assignee` FOREIGN KEY (`assignee_id`) REFERENCES `users`(`id`) ON DELETE
+    SET NULL
+) ENGINE = InnoDB DEFAULT CHARSET = utf8mb4 COLLATE = utf8mb4_unicode_ci;
+-- +goose StatementEnd
+---
+-- +goose Down
+-- +goose StatementBegin
+DROP TABLE `tasks`;
+-- +goose StatementEnd