diff --git a/app/Models/Admin/AdminApiFlow.php b/app/Models/Admin/AdminApiFlow.php
index 05249a90..464eaa46 100644
--- a/app/Models/Admin/AdminApiFlow.php
+++ b/app/Models/Admin/AdminApiFlow.php
@@ -24,6 +24,7 @@
  */
 class AdminApiFlow extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'admin_api_flows';
 
     protected $fillable = [
diff --git a/app/Models/Admin/AdminApiFlowRun.php b/app/Models/Admin/AdminApiFlowRun.php
index 9efe3a84..d88a9ba8 100644
--- a/app/Models/Admin/AdminApiFlowRun.php
+++ b/app/Models/Admin/AdminApiFlowRun.php
@@ -37,6 +37,7 @@ class AdminApiFlowRun extends Model
 
     public const STATUS_PARTIAL = 'PARTIAL';
 
+    protected $connection = 'codebridge';
     protected $table = 'admin_api_flow_runs';
 
     public $timestamps = false; // created_at만 사용
diff --git a/app/Models/Admin/AdminPmDailyLog.php b/app/Models/Admin/AdminPmDailyLog.php
index dc8f2369..f937199a 100644
--- a/app/Models/Admin/AdminPmDailyLog.php
+++ b/app/Models/Admin/AdminPmDailyLog.php
@@ -27,6 +27,7 @@ class AdminPmDailyLog extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'admin_pm_daily_logs';
 
     protected $fillable = [
diff --git a/app/Models/Admin/AdminPmDailyLogEntry.php b/app/Models/Admin/AdminPmDailyLogEntry.php
index a6fa29c6..7b738a34 100644
--- a/app/Models/Admin/AdminPmDailyLogEntry.php
+++ b/app/Models/Admin/AdminPmDailyLogEntry.php
@@ -22,6 +22,7 @@
  */
 class AdminPmDailyLogEntry extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'admin_pm_daily_log_entries';
 
     protected $fillable = [
diff --git a/app/Models/Admin/AdminPmIssue.php b/app/Models/Admin/AdminPmIssue.php
index e1feb560..02d42904 100644
--- a/app/Models/Admin/AdminPmIssue.php
+++ b/app/Models/Admin/AdminPmIssue.php
@@ -29,6 +29,7 @@ class AdminPmIssue extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'admin_pm_issues';
 
     protected $fillable = [
diff --git a/app/Models/Admin/AdminPmProject.php b/app/Models/Admin/AdminPmProject.php
index a57922a8..4d2719b8 100644
--- a/app/Models/Admin/AdminPmProject.php
+++ b/app/Models/Admin/AdminPmProject.php
@@ -28,6 +28,7 @@ class AdminPmProject extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'admin_pm_projects';
 
     protected $fillable = [
diff --git a/app/Models/Admin/AdminPmTask.php b/app/Models/Admin/AdminPmTask.php
index 43b76fad..da31d619 100644
--- a/app/Models/Admin/AdminPmTask.php
+++ b/app/Models/Admin/AdminPmTask.php
@@ -31,6 +31,7 @@ class AdminPmTask extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'admin_pm_tasks';
 
     protected $fillable = [
diff --git a/app/Models/Admin/AdminRoadmapMilestone.php b/app/Models/Admin/AdminRoadmapMilestone.php
index 52b5a3ba..a6f9eff2 100644
--- a/app/Models/Admin/AdminRoadmapMilestone.php
+++ b/app/Models/Admin/AdminRoadmapMilestone.php
@@ -11,6 +11,7 @@ class AdminRoadmapMilestone extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'admin_roadmap_milestones';
 
     protected $fillable = [
diff --git a/app/Models/Admin/AdminRoadmapPlan.php b/app/Models/Admin/AdminRoadmapPlan.php
index 67c5d4a9..89618885 100644
--- a/app/Models/Admin/AdminRoadmapPlan.php
+++ b/app/Models/Admin/AdminRoadmapPlan.php
@@ -12,6 +12,7 @@ class AdminRoadmapPlan extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'admin_roadmap_plans';
 
     protected $fillable = [
diff --git a/app/Models/ApiRequestLog.php b/app/Models/ApiRequestLog.php
index 2e83924c..6d0a6dc0 100644
--- a/app/Models/ApiRequestLog.php
+++ b/app/Models/ApiRequestLog.php
@@ -26,6 +26,7 @@
  */
 class ApiRequestLog extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'api_request_logs';
 
     public $timestamps = false;
diff --git a/app/Models/Audit/AuditLog.php b/app/Models/Audit/AuditLog.php
index 67895371..6f1c55c2 100644
--- a/app/Models/Audit/AuditLog.php
+++ b/app/Models/Audit/AuditLog.php
@@ -11,6 +11,7 @@ class AuditLog extends Model
 {
     public $timestamps = false;
 
+    protected $connection = 'codebridge';
     protected $table = 'audit_logs';
 
     protected $fillable = [
diff --git a/app/Models/Audit/TriggerAuditLog.php b/app/Models/Audit/TriggerAuditLog.php
index 877410c3..cfc96e38 100644
--- a/app/Models/Audit/TriggerAuditLog.php
+++ b/app/Models/Audit/TriggerAuditLog.php
@@ -6,6 +6,7 @@
 
 class TriggerAuditLog extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'trigger_audit_logs';
 
     public $timestamps = false;
diff --git a/app/Models/Barobill/BankSyncStatus.php b/app/Models/Barobill/BankSyncStatus.php
index 33b1dab0..0b53eade 100644
--- a/app/Models/Barobill/BankSyncStatus.php
+++ b/app/Models/Barobill/BankSyncStatus.php
@@ -13,6 +13,7 @@
  */
 class BankSyncStatus extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'barobill_bank_sync_status';
 
     protected $fillable = [
diff --git a/app/Models/Barobill/BankTransaction.php b/app/Models/Barobill/BankTransaction.php
index bb054196..80ecdb39 100644
--- a/app/Models/Barobill/BankTransaction.php
+++ b/app/Models/Barobill/BankTransaction.php
@@ -13,6 +13,7 @@
  */
 class BankTransaction extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'barobill_bank_transactions';
 
     protected $fillable = [
diff --git a/app/Models/Barobill/BankTransactionOverride.php b/app/Models/Barobill/BankTransactionOverride.php
index 2dd49a01..bb952bb2 100644
--- a/app/Models/Barobill/BankTransactionOverride.php
+++ b/app/Models/Barobill/BankTransactionOverride.php
@@ -10,6 +10,7 @@
  */
 class BankTransactionOverride extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'barobill_bank_transaction_overrides';
 
     protected $fillable = [
diff --git a/app/Models/Barobill/BankTransactionSplit.php b/app/Models/Barobill/BankTransactionSplit.php
index 0b6ac1cb..e438d447 100644
--- a/app/Models/Barobill/BankTransactionSplit.php
+++ b/app/Models/Barobill/BankTransactionSplit.php
@@ -12,6 +12,7 @@
  */
 class BankTransactionSplit extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'barobill_bank_transaction_splits';
 
     protected $fillable = [
diff --git a/app/Models/Barobill/BarobillBillingRecord.php b/app/Models/Barobill/BarobillBillingRecord.php
index 2584ebe8..2703ae3b 100644
--- a/app/Models/Barobill/BarobillBillingRecord.php
+++ b/app/Models/Barobill/BarobillBillingRecord.php
@@ -10,6 +10,7 @@
  */
 class BarobillBillingRecord extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'barobill_billing_records';
 
     protected $fillable = [
diff --git a/app/Models/Barobill/BarobillMember.php b/app/Models/Barobill/BarobillMember.php
index 1875ee90..73f13c87 100644
--- a/app/Models/Barobill/BarobillMember.php
+++ b/app/Models/Barobill/BarobillMember.php
@@ -11,6 +11,7 @@ class BarobillMember extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'barobill_members';
 
     protected $fillable = [
diff --git a/app/Models/Barobill/BarobillMonthlySummary.php b/app/Models/Barobill/BarobillMonthlySummary.php
index f5cdabe7..b67a7016 100644
--- a/app/Models/Barobill/BarobillMonthlySummary.php
+++ b/app/Models/Barobill/BarobillMonthlySummary.php
@@ -10,6 +10,7 @@
  */
 class BarobillMonthlySummary extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'barobill_monthly_summaries';
 
     protected $fillable = [
diff --git a/app/Models/Barobill/BarobillPricingPolicy.php b/app/Models/Barobill/BarobillPricingPolicy.php
index 602fdf46..fb9431b8 100644
--- a/app/Models/Barobill/BarobillPricingPolicy.php
+++ b/app/Models/Barobill/BarobillPricingPolicy.php
@@ -23,6 +23,7 @@
  */
 class BarobillPricingPolicy extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'barobill_pricing_policies';
 
     protected $fillable = [
diff --git a/app/Models/Barobill/CardTransactionAmountLog.php b/app/Models/Barobill/CardTransactionAmountLog.php
index 82395fcb..35558df1 100644
--- a/app/Models/Barobill/CardTransactionAmountLog.php
+++ b/app/Models/Barobill/CardTransactionAmountLog.php
@@ -10,6 +10,7 @@
  */
 class CardTransactionAmountLog extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'barobill_card_transaction_amount_logs';
 
     public $timestamps = false;
diff --git a/app/Models/Barobill/CardTransactionHide.php b/app/Models/Barobill/CardTransactionHide.php
index 37cbce4b..beefe33e 100644
--- a/app/Models/Barobill/CardTransactionHide.php
+++ b/app/Models/Barobill/CardTransactionHide.php
@@ -7,6 +7,7 @@
 
 class CardTransactionHide extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'barobill_card_transaction_hides';
 
     protected $fillable = [
diff --git a/app/Models/Barobill/HometaxInvoice.php b/app/Models/Barobill/HometaxInvoice.php
index e6c59426..c531fcd2 100644
--- a/app/Models/Barobill/HometaxInvoice.php
+++ b/app/Models/Barobill/HometaxInvoice.php
@@ -41,6 +41,7 @@ class HometaxInvoice extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'hometax_invoices';
 
     protected $fillable = [
diff --git a/app/Models/Barobill/HometaxInvoiceJournal.php b/app/Models/Barobill/HometaxInvoiceJournal.php
index 035f43d6..5250707b 100644
--- a/app/Models/Barobill/HometaxInvoiceJournal.php
+++ b/app/Models/Barobill/HometaxInvoiceJournal.php
@@ -12,6 +12,7 @@
  */
 class HometaxInvoiceJournal extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'hometax_invoice_journals';
 
     protected $fillable = [
diff --git a/app/Models/BizCert.php b/app/Models/BizCert.php
index 60f8df65..a0ad88a5 100644
--- a/app/Models/BizCert.php
+++ b/app/Models/BizCert.php
@@ -9,6 +9,7 @@
  */
 class BizCert extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'biz_cert';
 
     protected $fillable = [
diff --git a/app/Models/DevTools/ApiBookmark.php b/app/Models/DevTools/ApiBookmark.php
index 80ebd61b..89387ce0 100644
--- a/app/Models/DevTools/ApiBookmark.php
+++ b/app/Models/DevTools/ApiBookmark.php
@@ -21,6 +21,7 @@
  */
 class ApiBookmark extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'admin_api_bookmarks';
 
     protected $fillable = [
diff --git a/app/Models/DevTools/ApiDeprecation.php b/app/Models/DevTools/ApiDeprecation.php
index fd9ac677..3a0b90e1 100644
--- a/app/Models/DevTools/ApiDeprecation.php
+++ b/app/Models/DevTools/ApiDeprecation.php
@@ -22,6 +22,7 @@
  */
 class ApiDeprecation extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'admin_api_deprecations';
 
     protected $fillable = [
diff --git a/app/Models/DevTools/ApiEnvironment.php b/app/Models/DevTools/ApiEnvironment.php
index 43aac340..b6860c72 100644
--- a/app/Models/DevTools/ApiEnvironment.php
+++ b/app/Models/DevTools/ApiEnvironment.php
@@ -23,6 +23,7 @@
  */
 class ApiEnvironment extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'admin_api_environments';
 
     protected $fillable = [
diff --git a/app/Models/DevTools/ApiHistory.php b/app/Models/DevTools/ApiHistory.php
index 17615b30..96ce2a06 100644
--- a/app/Models/DevTools/ApiHistory.php
+++ b/app/Models/DevTools/ApiHistory.php
@@ -29,6 +29,7 @@ class ApiHistory extends Model
      */
     public const UPDATED_AT = null;
 
+    protected $connection = 'codebridge';
     protected $table = 'admin_api_histories';
 
     protected $fillable = [
diff --git a/app/Models/DevTools/ApiRequestLog.php b/app/Models/DevTools/ApiRequestLog.php
index 105254c3..d25b233c 100644
--- a/app/Models/DevTools/ApiRequestLog.php
+++ b/app/Models/DevTools/ApiRequestLog.php
@@ -28,6 +28,7 @@ class ApiRequestLog extends Model
 {
     public $timestamps = false;
 
+    protected $connection = 'codebridge';
     protected $table = 'api_request_logs';
 
     protected $fillable = [
diff --git a/app/Models/DevTools/ApiTemplate.php b/app/Models/DevTools/ApiTemplate.php
index 06472627..1ab37cb9 100644
--- a/app/Models/DevTools/ApiTemplate.php
+++ b/app/Models/DevTools/ApiTemplate.php
@@ -25,6 +25,7 @@
  */
 class ApiTemplate extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'admin_api_templates';
 
     protected $fillable = [
diff --git a/app/Models/ESign/EsignAuditLog.php b/app/Models/ESign/EsignAuditLog.php
index 9ef7124d..8f0e0b12 100644
--- a/app/Models/ESign/EsignAuditLog.php
+++ b/app/Models/ESign/EsignAuditLog.php
@@ -7,6 +7,7 @@
 
 class EsignAuditLog extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'esign_audit_logs';
 
     public $timestamps = false;
diff --git a/app/Models/ESign/EsignContract.php b/app/Models/ESign/EsignContract.php
index 47e863a5..210715b8 100644
--- a/app/Models/ESign/EsignContract.php
+++ b/app/Models/ESign/EsignContract.php
@@ -10,6 +10,7 @@ class EsignContract extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'esign_contracts';
 
     protected $fillable = [
diff --git a/app/Models/ESign/EsignFieldTemplate.php b/app/Models/ESign/EsignFieldTemplate.php
index b2246479..9f9d1393 100644
--- a/app/Models/ESign/EsignFieldTemplate.php
+++ b/app/Models/ESign/EsignFieldTemplate.php
@@ -8,6 +8,7 @@
 
 class EsignFieldTemplate extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'esign_field_templates';
 
     protected $fillable = [
diff --git a/app/Models/ESign/EsignFieldTemplateItem.php b/app/Models/ESign/EsignFieldTemplateItem.php
index 98635d4c..e8ed9f66 100644
--- a/app/Models/ESign/EsignFieldTemplateItem.php
+++ b/app/Models/ESign/EsignFieldTemplateItem.php
@@ -7,6 +7,7 @@
 
 class EsignFieldTemplateItem extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'esign_field_template_items';
 
     protected $fillable = [
diff --git a/app/Models/ESign/EsignSignField.php b/app/Models/ESign/EsignSignField.php
index 0762bc57..14b24d54 100644
--- a/app/Models/ESign/EsignSignField.php
+++ b/app/Models/ESign/EsignSignField.php
@@ -7,6 +7,7 @@
 
 class EsignSignField extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'esign_sign_fields';
 
     protected $fillable = [
diff --git a/app/Models/ESign/EsignSigner.php b/app/Models/ESign/EsignSigner.php
index 84596b02..b9e97b45 100644
--- a/app/Models/ESign/EsignSigner.php
+++ b/app/Models/ESign/EsignSigner.php
@@ -8,6 +8,7 @@
 
 class EsignSigner extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'esign_signers';
 
     // 역할 상수
diff --git a/app/Models/Equipment/Equipment.php b/app/Models/Equipment/Equipment.php
index 8e58ad7d..47023276 100644
--- a/app/Models/Equipment/Equipment.php
+++ b/app/Models/Equipment/Equipment.php
@@ -14,6 +14,7 @@ class Equipment extends Model
 {
     use BelongsToTenant, SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'equipments';
 
     protected $fillable = [
diff --git a/app/Models/Equipment/EquipmentProcess.php b/app/Models/Equipment/EquipmentProcess.php
index ca8260f6..4b9b9815 100644
--- a/app/Models/Equipment/EquipmentProcess.php
+++ b/app/Models/Equipment/EquipmentProcess.php
@@ -7,6 +7,7 @@
 
 class EquipmentProcess extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'equipment_process';
 
     protected $fillable = [
diff --git a/app/Models/Finance/CondolenceExpense.php b/app/Models/Finance/CondolenceExpense.php
index 9943f38b..3278b553 100644
--- a/app/Models/Finance/CondolenceExpense.php
+++ b/app/Models/Finance/CondolenceExpense.php
@@ -9,6 +9,7 @@ class CondolenceExpense extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'condolence_expenses';
 
     protected $fillable = [
diff --git a/app/Models/Finance/ConsultingFee.php b/app/Models/Finance/ConsultingFee.php
index 93ece669..ae045be5 100644
--- a/app/Models/Finance/ConsultingFee.php
+++ b/app/Models/Finance/ConsultingFee.php
@@ -9,6 +9,7 @@ class ConsultingFee extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'consulting_fees';
 
     protected $fillable = [
diff --git a/app/Models/Finance/CorporateCard.php b/app/Models/Finance/CorporateCard.php
index 5faf5ba6..33c602ba 100644
--- a/app/Models/Finance/CorporateCard.php
+++ b/app/Models/Finance/CorporateCard.php
@@ -9,6 +9,7 @@ class CorporateCard extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'corporate_cards';
 
     protected $fillable = [
diff --git a/app/Models/Finance/CorporateCardPrepayment.php b/app/Models/Finance/CorporateCardPrepayment.php
index 123afb8b..73bb32fc 100644
--- a/app/Models/Finance/CorporateCardPrepayment.php
+++ b/app/Models/Finance/CorporateCardPrepayment.php
@@ -6,6 +6,7 @@
 
 class CorporateCardPrepayment extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'corporate_card_prepayments';
 
     protected $fillable = ['tenant_id', 'year_month', 'amount', 'memo', 'items'];
diff --git a/app/Models/Finance/CustomerSettlement.php b/app/Models/Finance/CustomerSettlement.php
index f646c3cb..0b2678c9 100644
--- a/app/Models/Finance/CustomerSettlement.php
+++ b/app/Models/Finance/CustomerSettlement.php
@@ -9,6 +9,7 @@ class CustomerSettlement extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'customer_settlements';
 
     protected $fillable = [
diff --git a/app/Models/Finance/DailyFundMemo.php b/app/Models/Finance/DailyFundMemo.php
index 8b8f6e32..ac8aeb9a 100644
--- a/app/Models/Finance/DailyFundMemo.php
+++ b/app/Models/Finance/DailyFundMemo.php
@@ -6,6 +6,7 @@
 
 class DailyFundMemo extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'daily_fund_memos';
 
     protected $fillable = [
diff --git a/app/Models/Finance/DailyFundTransaction.php b/app/Models/Finance/DailyFundTransaction.php
index af772ce4..e3368eae 100644
--- a/app/Models/Finance/DailyFundTransaction.php
+++ b/app/Models/Finance/DailyFundTransaction.php
@@ -9,6 +9,7 @@ class DailyFundTransaction extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'daily_fund_transactions';
 
     protected $fillable = [
diff --git a/app/Models/Finance/Income.php b/app/Models/Finance/Income.php
index dc39051a..857edede 100644
--- a/app/Models/Finance/Income.php
+++ b/app/Models/Finance/Income.php
@@ -9,6 +9,7 @@ class Income extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'incomes';
 
     protected $fillable = [
diff --git a/app/Models/Finance/SalesRecord.php b/app/Models/Finance/SalesRecord.php
index 5502d16b..23c11572 100644
--- a/app/Models/Finance/SalesRecord.php
+++ b/app/Models/Finance/SalesRecord.php
@@ -9,6 +9,7 @@ class SalesRecord extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'sales_records';
 
     protected $fillable = [
diff --git a/app/Models/Finance/VatRecord.php b/app/Models/Finance/VatRecord.php
index 8eb08839..fa0ca671 100644
--- a/app/Models/Finance/VatRecord.php
+++ b/app/Models/Finance/VatRecord.php
@@ -9,6 +9,7 @@ class VatRecord extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'vat_records';
 
     protected $fillable = [
diff --git a/app/Models/HR/BusinessIncomePayment.php b/app/Models/HR/BusinessIncomePayment.php
index f634077c..bbe20f34 100644
--- a/app/Models/HR/BusinessIncomePayment.php
+++ b/app/Models/HR/BusinessIncomePayment.php
@@ -12,6 +12,7 @@ class BusinessIncomePayment extends Model
 {
     use ModelTrait, SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'business_income_payments';
 
     protected $fillable = [
diff --git a/app/Models/HR/IncomeTaxBracket.php b/app/Models/HR/IncomeTaxBracket.php
index 76c9e62d..cee5e885 100644
--- a/app/Models/HR/IncomeTaxBracket.php
+++ b/app/Models/HR/IncomeTaxBracket.php
@@ -7,6 +7,7 @@
 
 class IncomeTaxBracket extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'income_tax_brackets';
 
     protected $fillable = [
diff --git a/app/Models/Interview/InterviewKnowledge.php b/app/Models/Interview/InterviewKnowledge.php
index 1d4f042d..7c5e4c53 100644
--- a/app/Models/Interview/InterviewKnowledge.php
+++ b/app/Models/Interview/InterviewKnowledge.php
@@ -12,6 +12,7 @@ class InterviewKnowledge extends Model
 {
     use BelongsToTenant, ModelTrait, SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'interview_knowledge';
 
     protected $fillable = [
diff --git a/app/Models/Juil/ConstructionSitePhoto.php b/app/Models/Juil/ConstructionSitePhoto.php
index f33f964a..c1f9738b 100644
--- a/app/Models/Juil/ConstructionSitePhoto.php
+++ b/app/Models/Juil/ConstructionSitePhoto.php
@@ -13,6 +13,7 @@ class ConstructionSitePhoto extends Model
 {
     use BelongsToTenant, SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'construction_site_photos';
 
     protected $fillable = [
diff --git a/app/Models/Juil/ConstructionSitePhotoRow.php b/app/Models/Juil/ConstructionSitePhotoRow.php
index b07ddab6..ceefe78b 100644
--- a/app/Models/Juil/ConstructionSitePhotoRow.php
+++ b/app/Models/Juil/ConstructionSitePhotoRow.php
@@ -7,6 +7,7 @@
 
 class ConstructionSitePhotoRow extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'construction_site_photo_rows';
 
     protected $fillable = [
diff --git a/app/Models/Juil/MeetingMinute.php b/app/Models/Juil/MeetingMinute.php
index 9d524379..a9669037 100644
--- a/app/Models/Juil/MeetingMinute.php
+++ b/app/Models/Juil/MeetingMinute.php
@@ -13,6 +13,7 @@ class MeetingMinute extends Model
 {
     use BelongsToTenant, SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'meeting_minutes';
 
     const STATUS_DRAFT = 'DRAFT';
diff --git a/app/Models/Juil/MeetingMinuteSegment.php b/app/Models/Juil/MeetingMinuteSegment.php
index e2ffc8ad..0700b7b0 100644
--- a/app/Models/Juil/MeetingMinuteSegment.php
+++ b/app/Models/Juil/MeetingMinuteSegment.php
@@ -7,6 +7,7 @@
 
 class MeetingMinuteSegment extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'meeting_minute_segments';
 
     protected $fillable = [
diff --git a/app/Models/MeetingLog.php b/app/Models/MeetingLog.php
index fd276d58..d6880604 100644
--- a/app/Models/MeetingLog.php
+++ b/app/Models/MeetingLog.php
@@ -16,6 +16,7 @@ class MeetingLog extends Model
 {
     use BelongsToTenant, SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'admin_meeting_logs';
 
     protected $fillable = [
diff --git a/app/Models/Rd/CmSong.php b/app/Models/Rd/CmSong.php
index 41abc798..971d748f 100644
--- a/app/Models/Rd/CmSong.php
+++ b/app/Models/Rd/CmSong.php
@@ -12,6 +12,7 @@ class CmSong extends Model
 {
     use BelongsToTenant, SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'cm_songs';
 
     protected $fillable = [
diff --git a/app/Models/Sales/SalesCommission.php b/app/Models/Sales/SalesCommission.php
index f1979bc4..b21f2b36 100644
--- a/app/Models/Sales/SalesCommission.php
+++ b/app/Models/Sales/SalesCommission.php
@@ -45,6 +45,7 @@ class SalesCommission extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'sales_commissions';
 
     /**
diff --git a/app/Models/Sales/SalesCommissionDetail.php b/app/Models/Sales/SalesCommissionDetail.php
index 214a758d..a3c9f7d6 100644
--- a/app/Models/Sales/SalesCommissionDetail.php
+++ b/app/Models/Sales/SalesCommissionDetail.php
@@ -20,6 +20,7 @@
  */
 class SalesCommissionDetail extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'sales_commission_details';
 
     protected $fillable = [
diff --git a/app/Models/Sales/SalesConsultation.php b/app/Models/Sales/SalesConsultation.php
index 27ad86dc..f6c26da9 100644
--- a/app/Models/Sales/SalesConsultation.php
+++ b/app/Models/Sales/SalesConsultation.php
@@ -31,6 +31,7 @@ class SalesConsultation extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'sales_consultations';
 
     protected $fillable = [
diff --git a/app/Models/Sales/SalesContractProduct.php b/app/Models/Sales/SalesContractProduct.php
index b1bfdfbb..fc8e65b2 100644
--- a/app/Models/Sales/SalesContractProduct.php
+++ b/app/Models/Sales/SalesContractProduct.php
@@ -23,6 +23,7 @@
  */
 class SalesContractProduct extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'sales_contract_products';
 
     protected $fillable = [
diff --git a/app/Models/Sales/SalesManager.php b/app/Models/Sales/SalesManager.php
index 4512b0e0..e947c476 100644
--- a/app/Models/Sales/SalesManager.php
+++ b/app/Models/Sales/SalesManager.php
@@ -11,6 +11,7 @@ class SalesManager extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'sales_managers';
 
     protected $fillable = [
diff --git a/app/Models/Sales/SalesManagerDocument.php b/app/Models/Sales/SalesManagerDocument.php
index f6a04278..94510eff 100644
--- a/app/Models/Sales/SalesManagerDocument.php
+++ b/app/Models/Sales/SalesManagerDocument.php
@@ -12,6 +12,7 @@ class SalesManagerDocument extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'sales_manager_documents';
 
     protected $fillable = [
diff --git a/app/Models/Sales/SalesPartner.php b/app/Models/Sales/SalesPartner.php
index c18e3118..f969b233 100644
--- a/app/Models/Sales/SalesPartner.php
+++ b/app/Models/Sales/SalesPartner.php
@@ -31,6 +31,7 @@ class SalesPartner extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'sales_partners';
 
     protected $fillable = [
diff --git a/app/Models/Sales/SalesProduct.php b/app/Models/Sales/SalesProduct.php
index bee4bcaf..f89e7072 100644
--- a/app/Models/Sales/SalesProduct.php
+++ b/app/Models/Sales/SalesProduct.php
@@ -28,6 +28,7 @@ class SalesProduct extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'sales_products';
 
     protected $fillable = [
diff --git a/app/Models/Sales/SalesProductCategory.php b/app/Models/Sales/SalesProductCategory.php
index ba8cd2ce..eca14dac 100644
--- a/app/Models/Sales/SalesProductCategory.php
+++ b/app/Models/Sales/SalesProductCategory.php
@@ -21,6 +21,7 @@ class SalesProductCategory extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'sales_product_categories';
 
     protected $fillable = [
diff --git a/app/Models/Sales/SalesProspect.php b/app/Models/Sales/SalesProspect.php
index 83617884..371e6cc7 100644
--- a/app/Models/Sales/SalesProspect.php
+++ b/app/Models/Sales/SalesProspect.php
@@ -11,6 +11,7 @@ class SalesProspect extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'sales_prospects';
 
     protected $fillable = [
diff --git a/app/Models/Sales/SalesProspectConsultation.php b/app/Models/Sales/SalesProspectConsultation.php
index c8e05ea9..e15ede37 100644
--- a/app/Models/Sales/SalesProspectConsultation.php
+++ b/app/Models/Sales/SalesProspectConsultation.php
@@ -10,6 +10,7 @@ class SalesProspectConsultation extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'sales_prospect_consultations';
 
     protected $fillable = [
diff --git a/app/Models/Sales/SalesProspectProduct.php b/app/Models/Sales/SalesProspectProduct.php
index eeddb43e..bffcdd83 100644
--- a/app/Models/Sales/SalesProspectProduct.php
+++ b/app/Models/Sales/SalesProspectProduct.php
@@ -10,6 +10,7 @@ class SalesProspectProduct extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'sales_prospect_products';
 
     protected $fillable = [
diff --git a/app/Models/Sales/SalesProspectScenario.php b/app/Models/Sales/SalesProspectScenario.php
index e0e7a2df..176dad18 100644
--- a/app/Models/Sales/SalesProspectScenario.php
+++ b/app/Models/Sales/SalesProspectScenario.php
@@ -7,6 +7,7 @@
 
 class SalesProspectScenario extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'sales_prospect_scenarios';
 
     protected $fillable = [
diff --git a/app/Models/Sales/SalesRecord.php b/app/Models/Sales/SalesRecord.php
index f3a406c5..dd8b4bb6 100644
--- a/app/Models/Sales/SalesRecord.php
+++ b/app/Models/Sales/SalesRecord.php
@@ -10,6 +10,7 @@ class SalesRecord extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'sales_records';
 
     protected $fillable = [
diff --git a/app/Models/Sales/SalesScenarioChecklist.php b/app/Models/Sales/SalesScenarioChecklist.php
index 6f61e3c7..ca9269a1 100644
--- a/app/Models/Sales/SalesScenarioChecklist.php
+++ b/app/Models/Sales/SalesScenarioChecklist.php
@@ -23,6 +23,7 @@
  */
 class SalesScenarioChecklist extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'sales_scenario_checklists';
 
     protected $fillable = [
diff --git a/app/Models/Sales/SalesTenantManagement.php b/app/Models/Sales/SalesTenantManagement.php
index 66ec5fd8..4e405239 100644
--- a/app/Models/Sales/SalesTenantManagement.php
+++ b/app/Models/Sales/SalesTenantManagement.php
@@ -37,6 +37,7 @@ class SalesTenantManagement extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'sales_tenant_managements';
 
     protected $fillable = [
diff --git a/app/Models/Sales/TenantProspect.php b/app/Models/Sales/TenantProspect.php
index 4e52b103..4bc79f80 100644
--- a/app/Models/Sales/TenantProspect.php
+++ b/app/Models/Sales/TenantProspect.php
@@ -16,6 +16,7 @@ class TenantProspect extends Model
 {
     use SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'tenant_prospects';
 
     public const STATUS_ACTIVE = 'active';       // 영업권 유효
diff --git a/app/Models/System/AiConfig.php b/app/Models/System/AiConfig.php
index 6b9c94ce..beb8255a 100644
--- a/app/Models/System/AiConfig.php
+++ b/app/Models/System/AiConfig.php
@@ -26,6 +26,7 @@ class AiConfig extends Model
 {
     use HasFactory, SoftDeletes;
 
+    protected $connection = 'codebridge';
     protected $table = 'ai_configs';
 
     protected $fillable = [
diff --git a/app/Models/System/AiPricingConfig.php b/app/Models/System/AiPricingConfig.php
index fd7f77d2..499df80c 100644
--- a/app/Models/System/AiPricingConfig.php
+++ b/app/Models/System/AiPricingConfig.php
@@ -7,6 +7,7 @@
 
 class AiPricingConfig extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'ai_pricing_configs';
 
     protected $fillable = [
diff --git a/app/Models/System/AiTokenUsage.php b/app/Models/System/AiTokenUsage.php
index 2683eb67..0c8a2daa 100644
--- a/app/Models/System/AiTokenUsage.php
+++ b/app/Models/System/AiTokenUsage.php
@@ -6,6 +6,7 @@
 
 class AiTokenUsage extends Model
 {
+    protected $connection = 'codebridge';
     protected $table = 'ai_token_usages';
 
     protected $fillable = [
diff --git a/config/database.php b/config/database.php
index 034e1694..7dd2f2bc 100644
--- a/config/database.php
+++ b/config/database.php
@@ -63,6 +63,26 @@
             ]) : [],
         ],
 
+        // 코드브릿지엑스 내부 관리 DB (codebridge)
+        'codebridge' => [
+            'driver' => 'mysql',
+            'host' => env('CODEBRIDGE_DB_HOST', env('DB_HOST', '127.0.0.1')),
+            'port' => env('CODEBRIDGE_DB_PORT', env('DB_PORT', '3306')),
+            'database' => env('CODEBRIDGE_DB_DATABASE', 'codebridge'),
+            'username' => env('CODEBRIDGE_DB_USERNAME', env('DB_USERNAME')),
+            'password' => env('CODEBRIDGE_DB_PASSWORD', env('DB_PASSWORD')),
+            'unix_socket' => '',
+            'charset' => 'utf8mb4',
+            'collation' => 'utf8mb4_unicode_ci',
+            'prefix' => '',
+            'prefix_indexes' => true,
+            'strict' => true,
+            'engine' => null,
+            'options' => extension_loaded('pdo_mysql') ? array_filter([
+                PDO::MYSQL_ATTR_SSL_CA => env('MYSQL_ATTR_SSL_CA'),
+            ]) : [],
+        ],
+
         // 통계/알림 DB (sam_stat)
         'sam_stat' => [
             'driver' => 'mysql',