Use issue participation for agent history

Co-Authored-By: Paperclip <noreply@paperclip.ing>

server/src/services/issues.ts

@@ -1,6 +1,7 @@
 import { and, asc, desc, eq, inArray, isNull, ne, or, sql } from "drizzle-orm";
 import type { Db } from "@paperclipai/db";
 import {
+  activityLog,
   agents,
   assets,
   companies,
@@ -62,6 +63,7 @@ function applyStatusSideEffects(
 export interface IssueFilters {
   status?: string;
   assigneeAgentId?: string;
+  participantAgentId?: string;
   assigneeUserId?: string;
   touchedByUserId?: string;
   unreadForUserId?: string;
@@ -134,6 +136,30 @@ function touchedByUserCondition(companyId: string, userId: string) {
   `;
 }
 
+function participatedByAgentCondition(companyId: string, agentId: string) {
+  return sql<boolean>`
+    (
+      ${issues.createdByAgentId} = ${agentId}
+      OR ${issues.assigneeAgentId} = ${agentId}
+      OR EXISTS (
+        SELECT 1
+        FROM ${issueComments}
+        WHERE ${issueComments.issueId} = ${issues.id}
+          AND ${issueComments.companyId} = ${companyId}
+          AND ${issueComments.authorAgentId} = ${agentId}
+      )
+      OR EXISTS (
+        SELECT 1
+        FROM ${activityLog}
+        WHERE ${activityLog.companyId} = ${companyId}
+          AND ${activityLog.entityType} = 'issue'
+          AND ${activityLog.entityId} = ${issues.id}::text
+          AND ${activityLog.agentId} = ${agentId}
+      )
+    )
+  `;
+}
+
 function myLastCommentAtExpr(companyId: string, userId: string) {
   return sql<Date | null>`
     (
@@ -508,6 +534,9 @@ export function issueService(db: Db) {
       if (filters?.assigneeAgentId) {
         conditions.push(eq(issues.assigneeAgentId, filters.assigneeAgentId));
       }
+      if (filters?.participantAgentId) {
+        conditions.push(participatedByAgentCondition(companyId, filters.participantAgentId));
+      }
       if (filters?.assigneeUserId) {
         conditions.push(eq(issues.assigneeUserId, filters.assigneeUserId));
       }