feat: Z36 host_meta-only publish + Z37 SyncPage LWW UX

Allow display-name-only publish via host_meta; stop treating company conflicts 403 as a fault and ship rebuilt web dist.

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

platform/internal/logic/applogic/publish.go

@@ -229,6 +229,9 @@ func (l *PublishLogic) Publish(slug string, req *types.PublishReq) (*types.Publi
 		bp.Apis.BasePath = "/api/v1/apps/" + slug
 		mergeRes, err = blueprint.MergeInto(bp, incoming)
 		if err != nil {
+			if isNothingNewToPublish(err) {
+				return l.handleNoBlueprintDelta(existing, req, slug, tenantID, userID)
+			}
 			return nil, err
 		}
 		publishMode = "pages_added"
@@ -249,6 +252,9 @@ func (l *PublishLogic) Publish(slug string, req *types.PublishReq) (*types.Publi
 			bp.Apis.BasePath = "/api/v1/apps/" + slug
 			mergeRes, err = blueprint.MergeInto(bp, incoming)
 			if err != nil {
+				if isNothingNewToPublish(err) {
+					return l.handleNoBlueprintDelta(existing, req, slug, tenantID, userID)
+				}
 				return nil, err
 			}
 			publishMode = "pages_added"
@@ -258,6 +264,13 @@ func (l *PublishLogic) Publish(slug string, req *types.PublishReq) (*types.Publi
 		}
 	}
 
+	// Z36：有蓝图增量时也把 host_meta.module_name 落到蓝图/模块显示名
+	if req.HostMeta != nil {
+		if n := strings.TrimSpace(req.HostMeta.ModuleName); n != "" {
+			bp.Meta.Name = n
+		}
+	}
+
 	bp.EnsureDefaultImportExport()
 	if err := bp.Validate(slug); err != nil {
 		return nil, err
@@ -483,6 +496,112 @@ func (l *PublishLogic) audit(action, detail string) error {
 	return l.svcCtx.Audit.Log(l.ctx, authx.TenantID(l.ctx), authx.UserID(l.ctx), action, detail)
 }
 
+func isNothingNewToPublish(err error) bool {
+	return err != nil && strings.Contains(err.Error(), "nothing new to publish")
+}
+
+// handleNoBlueprintDelta Z36：merge 无增量时，有 module_name 则仅更新 host_meta；否则中文业务错误。
+func (l *PublishLogic) handleNoBlueprintDelta(
+	existing *meta.AppRecord,
+	req *types.PublishReq,
+	slug string,
+	tenantID, userID int64,
+) (*types.PublishResp, error) {
+	name := ""
+	if req.HostMeta != nil {
+		name = strings.TrimSpace(req.HostMeta.ModuleName)
+	}
+	if name == "" {
+		return nil, fmt.Errorf("没有可发布的蓝图增量（页面/实体/接口未变化）。若仅修改模块显示名，请在 host_meta.module_name 传入新名称后重试 [NO_BLUEPRINT_DELTA]")
+	}
+	return l.publishHostMetaOnly(existing, req, slug, tenantID, userID, name)
+}
+
+// publishHostMetaOnly 无蓝图增量时只更新模块显示名并重签胶囊，不跑 DDL。
+func (l *PublishLogic) publishHostMetaOnly(
+	existing *meta.AppRecord,
+	req *types.PublishReq,
+	slug string,
+	tenantID, userID int64,
+	moduleName string,
+) (*types.PublishResp, error) {
+	if existing == nil || existing.Blueprint == nil {
+		return nil, fmt.Errorf("existing app has no blueprint")
+	}
+	bp := existing.Blueprint
+	bp.Meta.Name = moduleName
+	bp.Meta.Slug = slug
+	if bp.Apis.BasePath == "" {
+		bp.Apis.BasePath = "/api/v1/apps/" + slug
+	}
+
+	rec := existing
+	rec.Name = moduleName
+	rec.Blueprint = bp
+	rec.UpdatedAt = time.Now().UTC()
+	if rec.Status == "" {
+		rec.Status = meta.StatusPublished
+	}
+	if err := l.svcCtx.Meta.Save(l.ctx, rec); err != nil {
+		return nil, fmt.Errorf("meta save: %w", err)
+	}
+	_ = l.audit("publish.host_meta", audit.DetailJSON(map[string]any{
+		"slug": slug, "module_name": moduleName, "user_id": userID, "publish_mode": "host_meta_updated",
+	}))
+
+	ownerID := authx.AgentID(l.ctx)
+	if ownerID <= 0 {
+		ownerID = userID
+	}
+	secret := l.svcCtx.Config.Agent.CapsuleSecret
+	if secret == "" {
+		secret = l.svcCtx.JWT.AccessSecret
+	}
+	accessPath := ""
+	accessURL := ""
+	if secret != "" && ownerID > 0 {
+		_, filePath, err := agentcap.SealModulePath(secret, tenantID, ownerID, slug)
+		if err == nil {
+			accessPath = filePath
+			base := strings.TrimRight(l.svcCtx.Config.PublicBaseURL, "/")
+			if req.HostMeta != nil && strings.TrimSpace(req.HostMeta.HostBaseURL) != "" {
+				accessURL = strings.TrimRight(strings.TrimSpace(req.HostMeta.HostBaseURL), "/")
+			} else if base != "" {
+				accessURL = base + "/api/v1/public/" + filePath + "/blueprint"
+			}
+		}
+	}
+
+	publishStyle := ""
+	if req.HostMeta != nil {
+		publishStyle = strings.TrimSpace(req.HostMeta.PublishStyle)
+	}
+	if publishStyle == "" {
+		publishStyle = "immediate"
+	}
+
+	endpoints := rec.Endpoints
+	if len(endpoints) == 0 {
+		endpoints = buildEndpoints(bp)
+	}
+	return &types.PublishResp{
+		AppID:        rec.AppID,
+		Slug:         slug,
+		SchemaName:   rec.SchemaName,
+		DatabaseName: rec.DatabaseName,
+		Status:       string(rec.Status),
+		Endpoints:    endpoints,
+		MemoryMode:   l.svcCtx.MemoryMode,
+		PublishMode:  "host_meta_updated",
+		ModuleName:   moduleName,
+		PublishStyle: publishStyle,
+		AccessPath:   accessPath,
+		AccessURL:    accessURL,
+		PublishedAt:  rec.UpdatedAt.UTC().Format(time.RFC3339),
+		OwnerID:      ownerID,
+	}, nil
+}
+
 func buildEndpoints(bp *blueprint.Blueprint) []string {
 	base := strings.TrimRight(bp.Apis.BasePath, "/")
 	if base == "" {

platform/internal/types/types.go

@@ -29,7 +29,7 @@ type PublishResp struct {
 	Endpoints      []string `json:"endpoints"`
 	DDL            []string `json:"ddl,omitempty"`
 	MemoryMode     bool     `json:"memory_mode"`
-	PublishMode    string   `json:"publish_mode"` // created | pages_added | replaced
+	PublishMode    string   `json:"publish_mode"` // created | pages_added | replaced | host_meta_updated
 	AddedPages     []string `json:"added_pages,omitempty"`
 	AddedEntities  []string `json:"added_entities,omitempty"`
 	AddedResources []string `json:"added_resources,omitempty"`