refactor: rebrand from cs-agent to BossChat

- Rename Go module: cs-agent → bosschat
- Rename all import paths across 200+ Go files
- Rename SDK: cs-ai-agent-sdk → bosschat-sdk
- Rename message protocol: cs-agent:* → bosschat:*
- Rename JS globals: CSAgentConfig → BossChatConfig
- Rename CSS classes: cs-agent-* → bosschat-*
- Update Makefile APP_NAME and ARCHIVE_NAME
- Update logo assets
- Fix display name: BoosChat → BossChat

internal/pkg/dto/response/admin_response.go

@@ -1,6 +1,6 @@
 package response
 
-import "cs-agent/internal/pkg/enums"
+import "bosschat/internal/pkg/enums"
 
 type PermissionResponse struct {
 	ID        int64        `json:"id"`

internal/pkg/dto/response/agent_response.go

@@ -1,6 +1,6 @@
 package response
 
-import "cs-agent/internal/pkg/enums"
+import "bosschat/internal/pkg/enums"
 
 type AgentProfileResponse struct {
 	ID                    int64               `json:"id"`

internal/pkg/dto/response/ai_response.go

@@ -1,8 +1,8 @@
 package response
 
 import (
-	"cs-agent/internal/models"
-	"cs-agent/internal/pkg/enums"
+	"bosschat/internal/models"
+	"bosschat/internal/pkg/enums"
 )
 
 type AIAgentTeamResponse struct {

internal/pkg/dto/response/asset_response.go

@@ -1,6 +1,6 @@
 package response
 
-import "cs-agent/internal/pkg/enums"
+import "bosschat/internal/pkg/enums"
 
 type AssetResponse struct {
 	ID             int64               `json:"id"`

internal/pkg/dto/response/auth_response.go

@@ -1,6 +1,6 @@
 package response
 
-import "cs-agent/internal/pkg/enums"
+import "bosschat/internal/pkg/enums"
 
 type AuthUserResponse struct {
 	ID       int64        `json:"id"`

internal/pkg/dto/response/channel_response.go

@@ -1,8 +1,8 @@
 package response
 
 import (
-	"cs-agent/internal/models"
-	"cs-agent/internal/pkg/enums"
+	"bosschat/internal/models"
+	"bosschat/internal/pkg/enums"
 )
 
 type ChannelResponse struct {

internal/pkg/dto/response/company_response.go

@@ -1,6 +1,6 @@
 package response
 
-import "cs-agent/internal/pkg/enums"
+import "bosschat/internal/pkg/enums"
 
 type CompanyResponse struct {
 	ID            int64        `json:"id"`

internal/pkg/dto/response/conversation_response.go

@@ -1,6 +1,6 @@
 package response
 
-import "cs-agent/internal/pkg/enums"
+import "bosschat/internal/pkg/enums"
 
 type ConversationTagResponse struct {
 	ID   int64  `json:"id"`

internal/pkg/dto/response/customer_contact_response.go

@@ -1,6 +1,6 @@
 package response
 
-import "cs-agent/internal/pkg/enums"
+import "bosschat/internal/pkg/enums"
 
 type CustomerContactResponse struct {
 	ID           int64             `json:"id"`

internal/pkg/dto/response/customer_response.go

@@ -1,6 +1,6 @@
 package response
 
-import "cs-agent/internal/pkg/enums"
+import "bosschat/internal/pkg/enums"
 
 type CustomerResponse struct {
 	ID            int64            `json:"id"`

internal/pkg/dto/response/knowledge_response.go

@@ -1,7 +1,7 @@
 package response
 
 import (
-	"cs-agent/internal/pkg/enums"
+	"bosschat/internal/pkg/enums"
 	"time"
 )
 

internal/pkg/dto/response/mcp_response.go

@@ -1,8 +1,8 @@
 package response
 
 import (
-	"cs-agent/internal/ai/mcps"
-	"cs-agent/internal/pkg/enums"
+	"bosschat/internal/ai/mcps"
+	"bosschat/internal/pkg/enums"
 )
 
 type MCPConnectionResponse struct {

internal/pkg/dto/response/message_response.go

@@ -1,6 +1,6 @@
 package response
 
-import "cs-agent/internal/pkg/enums"
+import "bosschat/internal/pkg/enums"
 
 type MessageResponse struct {
 	ID              int64                 `json:"id"`

internal/pkg/dto/response/quick_reply_response.go

@@ -1,6 +1,6 @@
 package response
 
-import "cs-agent/internal/pkg/enums"
+import "bosschat/internal/pkg/enums"
 
 type QuickReplyResponse struct {
 	ID        int64        `json:"id"`

internal/pkg/dto/response/tag_response.go

@@ -1,6 +1,6 @@
 package response
 
-import "cs-agent/internal/pkg/enums"
+import "bosschat/internal/pkg/enums"
 
 type TagResponse struct {
 	ID        int64        `json:"id"`

internal/pkg/dto/response/ticket_response.go

@@ -1,6 +1,6 @@
 package response
 
-import "cs-agent/internal/pkg/enums"
+import "bosschat/internal/pkg/enums"
 
 type TicketProgressResponse struct {
 	ID         int64  `json:"id"`