fix: resolve Kiro profile ARN for generation requests (#46)

config/config.go

@@ -50,6 +50,7 @@ type Account struct {
 	StartUrl     string `json:"startUrl,omitempty"`     // AWS SSO start URL
 	ExpiresAt    int64  `json:"expiresAt,omitempty"`    // Token expiration timestamp (Unix seconds)
 	MachineId    string `json:"machineId,omitempty"`    // UUID machine identifier for request tracking
+	ProfileArn   string `json:"profileArn,omitempty"`   // CodeWhisperer/Kiro profile ARN for generation requests
 
 	// Priority weight for load balancing (higher = more requests)
 	Weight int `json:"weight,omitempty"` // 0 or 1 = normal, 2+ = higher priority
@@ -274,6 +275,18 @@ func UpdateAccount(id string, account Account) error {
 	return nil
 }
 
+func UpdateAccountProfileArn(id, profileArn string) error {
+	cfgLock.Lock()
+	defer cfgLock.Unlock()
+	for i, a := range cfg.Accounts {
+		if a.ID == id {
+			cfg.Accounts[i].ProfileArn = profileArn
+			return Save()
+		}
+	}
+	return nil
+}
+
 func DeleteAccount(id string) error {
 	cfgLock.Lock()
 	defer cfgLock.Unlock()