feat(migrations): Harden task audit tracking and optimize article templates

- Added migration to harden task audit tracking by modifying audit_logs and related tables.
- Introduced operator_id to several tables for better tracking of actions.
- Updated article_templates with new prompt templates for various article types, enhancing content generation.
- Created prompt_rules and schedule_tasks tables to manage content generation rules and scheduling.
- Added foreign key constraints to articles for better data integrity.

server/internal/shared/cache/redis.go

@@ -0,0 +1,33 @@
+package cache
+
+import (
+	"context"
+	"errors"
+	"time"
+
+	goredis "github.com/redis/go-redis/v9"
+)
+
+type redisCache struct {
+	client *goredis.Client
+}
+
+func newRedisCache(client *goredis.Client) Cache {
+	return &redisCache{client: client}
+}
+
+func (c *redisCache) Get(ctx context.Context, key string) ([]byte, error) {
+	val, err := c.client.Get(ctx, key).Bytes()
+	if errors.Is(err, goredis.Nil) {
+		return nil, ErrNotFound
+	}
+	return val, err
+}
+
+func (c *redisCache) Set(ctx context.Context, key string, value []byte, ttl time.Duration) error {
+	return c.client.Set(ctx, key, value, ttl).Err()
+}
+
+func (c *redisCache) Delete(ctx context.Context, key string) error {
+	return c.client.Del(ctx, key).Err()
+}