fix: Z35 map Chinese display names to stable physical DB names

Keep Chinese on Binding for UI; Agents use user_{id} or db{hash}; sanitize on attach/heal/publish.

Co-authored-by: Cursor <cursoragent@cursor.com>

platform/internal/logic/applogic/sync_heal.go

@@ -9,6 +9,7 @@ import (
 
 	"aijianzhan/platform/internal/agentstore"
 	"aijianzhan/platform/internal/dbsync"
+	"aijianzhan/platform/internal/schema"
 	"aijianzhan/platform/internal/svc"
 )
 
@@ -40,6 +41,10 @@ func channelAlive(store *dbsync.FileStore, tenantID int64, channelID string) boo
 }
 
 func agentNeedsSyncHeal(store *dbsync.FileStore, a agentstore.Account) bool {
+	// Z35：非法物理库名（如中文昵称）也要纠正，否则发布 EnsureDatabase 400
+	if dn := strings.TrimSpace(a.DatabaseName); dn != "" && !schema.ValidDBName(dn) {
+		return true
+	}
 	cid := strings.TrimSpace(a.ChannelID)
 	alive := channelAlive(store, a.TenantID, cid)
 	if cid != "" {
@@ -111,11 +116,12 @@ func HealTenantSyncBind(ctx context.Context, svcCtx *svc.ServiceContext, tenantI
 				if online == "" {
 					online = dbsync.ResolveOnlineDBID("", ch.ID)
 				}
-				dbName := strings.TrimSpace(a.DatabaseName)
-				if dbName == "" {
-					dbName = fmt.Sprintf("agent_%d", a.AgentID)
+				cid := strings.TrimSpace(a.ChannelID)
+				if !channelAlive(svcCtx.DBSync.Store(), tenantID, cid) {
+					cid = ch.ID
 				}
-				if _, e := svcCtx.Agents.AttachSyncBind(ctx, a.AgentID, tenantID, ch.ID, online, dbName, a.Status == agentstore.StatusActive || a.Status == ""); e != nil {
+				dbName := schema.SafeSyncDatabaseName(a.DatabaseName, a.AgentID, 0)
+				if _, e := svcCtx.Agents.AttachSyncBind(ctx, a.AgentID, tenantID, cid, online, dbName, a.Status == agentstore.StatusActive || a.Status == ""); e != nil {
 					log.Printf("dbsync heal agent tenant=%d agent=%d: %v", tenantID, a.AgentID, e)
 					continue
 				}