updates on the ai agents and time series prediction and updates on the api to

models/agentdecision.go

@@ -3,9 +3,22 @@ package models
 import "time"
 
 type AgentDecision struct {
-	ID                uint64     `gorm:"primaryKey"`
-	DecisionType      string     `gorm:"size:50;index"`
-	BookingID         *uint64    `gorm:"index"`
+	ID           uint64 `gorm:"primaryKey"`
+	DecisionType string `gorm:"size:50;index"`
+	BookingID    *uint64 `gorm:"index"`
+	// TenantID scopes retrieval. Without it, similarity search would return one
+	// client's operational history as precedent for a decision about another —
+	// and because the engine feeds that precedent to the model, one tenant's
+	// past would shape another tenant's dispatch.
+	//
+	// Nullable because the engine does not always know the tenant (a B2C
+	// booking carries a nil tenantid by design). A NULL row is recallable only
+	// by a NULL-tenant query, never by a tenant's own — the safer default,
+	// given console logins are already unscoped when tenantid is NULL.
+	//
+	// Added before the table filled on purpose: adding it afterwards is a
+	// backfill with no way to attribute the rows already there.
+	TenantID          *uint64    `gorm:"column:tenantid;index"`
 	Context           string     `gorm:"type:jsonb"`
 	Decision          string     `gorm:"type:jsonb"`
 	Reasoning         string     `gorm:"type:text"`