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/llm/client.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"fmt"
 	"strings"
+	"time"
 
 	"github.com/geo-platform/tenant-api/internal/shared/config"
 )
@@ -12,7 +13,10 @@ import (
 var ErrNotConfigured = errors.New("llm provider is not configured")
 
 type GenerateRequest struct {
-	Prompt string
+	Prompt          string
+	Timeout         time.Duration
+	MaxOutputTokens int64
+	WebSearch       *WebSearchOptions
 }
 
 type GenerateResult struct {
@@ -20,6 +24,11 @@ type GenerateResult struct {
 	Model   string
 }
 
+type WebSearchOptions struct {
+	Enabled bool
+	Limit   int32
+}
+
 type Client interface {
 	Validate() error
 	Generate(ctx context.Context, req GenerateRequest, onDelta func(string)) (*GenerateResult, error)