[MM-64686] Expose audit logging functionality via plugin API (#31204)

This commit exposes audit logging functionality to plugins via the plugin API, allowing plugins to create and log audit records. Additionally, it addresses a gob encoding issue that could cause plugin crashes when audit data contains nil pointers or unregistered types.

server/channels/api4/team_local.go

@@ -14,7 +14,6 @@ import (
 	"github.com/mattermost/mattermost/server/public/model"
 	"github.com/mattermost/mattermost/server/public/shared/mlog"
 	"github.com/mattermost/mattermost/server/v8/channels/app/email"
-	"github.com/mattermost/mattermost/server/v8/channels/audit"
 	"github.com/mattermost/mattermost/server/v8/channels/store"
 )
 
@@ -42,8 +41,8 @@ func localDeleteTeam(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	auditRec := c.MakeAuditRecord("localDeleteTeam", audit.Fail)
-	audit.AddEventParameter(auditRec, "team_id", c.Params.TeamId)
+	auditRec := c.MakeAuditRecord("localDeleteTeam", model.AuditStatusFail)
+	model.AddEventParameterToAuditRec(auditRec, "team_id", c.Params.TeamId)
 	defer c.LogAuditRec(auditRec)
 
 	if team, err := c.App.GetTeam(c.Params.TeamId); err == nil {
@@ -100,10 +99,10 @@ func localInviteUsersToTeam(c *Context, w http.ResponseWriter, r *http.Request)
 		emailList[i] = email
 	}
 
-	auditRec := c.MakeAuditRecord("localInviteUsersToTeam", audit.Fail)
-	audit.AddEventParameterAuditable(auditRec, "member_invite", memberInvite)
+	auditRec := c.MakeAuditRecord("localInviteUsersToTeam", model.AuditStatusFail)
+	model.AddEventParameterAuditableToAuditRec(auditRec, "member_invite", memberInvite)
 	defer c.LogAuditRec(auditRec)
-	audit.AddEventParameter(auditRec, "team_id", c.Params.TeamId)
+	model.AddEventParameterToAuditRec(auditRec, "team_id", c.Params.TeamId)
 	auditRec.AddMeta("count", len(emailList))
 	auditRec.AddMeta("emails", emailList)
 
@@ -248,9 +247,9 @@ func localCreateTeam(c *Context, w http.ResponseWriter, r *http.Request) {
 
 	team.Email = strings.ToLower(team.Email)
 
-	auditRec := c.MakeAuditRecord("localCreateTeam", audit.Fail)
+	auditRec := c.MakeAuditRecord("localCreateTeam", model.AuditStatusFail)
 	defer c.LogAuditRec(auditRec)
-	audit.AddEventParameterAuditable(auditRec, "team", &team)
+	model.AddEventParameterAuditableToAuditRec(auditRec, "team", &team)
 
 	rteam, err := c.App.CreateTeam(c.AppContext, &team)
 	if err != nil {