5

backend/src/db/api/agents.js

@@ -9,6 +9,46 @@ const Utils = require('../utils');
 const Sequelize = db.Sequelize;
 const Op = Sequelize.Op;
 
+function buildVisibleAgentWhere(currentUser) {
+    if (!currentUser || !currentUser.id) {
+        return {};
+    }
+
+    return {
+        [Op.or]: [
+            { createdById: currentUser.id },
+            { is_default: true },
+        ],
+    };
+}
+
+function buildWritableAgentWhere(currentUser) {
+    if (!currentUser || !currentUser.id) {
+        return {};
+    }
+
+    return {
+        createdById: currentUser.id,
+    };
+}
+
+function mergeWhere(left, right) {
+    const hasLeft = left && Object.keys(left).length;
+    const hasRight = right && Object.keys(right).length;
+
+    if (!hasLeft) {
+        return right || {};
+    }
+
+    if (!hasRight) {
+        return left || {};
+    }
+
+    return {
+        [Op.and]: [left, right],
+    };
+}
+
 module.exports = class AgentsDBApi {
     
 
@@ -159,8 +199,17 @@ module.exports = class AgentsDBApi {
         const currentUser = (options && options.currentUser) || {id: null};
         const transaction = (options && options.transaction) || undefined;
         
+        const agents = await db.agents.findOne({
+            where: mergeWhere(
+                { id },
+                buildWritableAgentWhere(currentUser),
+            ),
+            transaction,
+        });
 
-        const agents = await db.agents.findByPk(id, {}, {transaction});
+        if (!agents) {
+            throw new Error('Agent not found.');
+        }
 
 
         
@@ -214,14 +263,21 @@ module.exports = class AgentsDBApi {
         const transaction = (options && options.transaction) || undefined;
 
         const agents = await db.agents.findAll({
-            where: {
+            where: mergeWhere(
-                id: {
+                {
-                    [Op.in]: ids,
+                    id: {
+                        [Op.in]: ids,
+                    },
                 },
-            },
+                buildWritableAgentWhere(currentUser),
+            ),
             transaction,
         });
 
+        if (agents.length !== ids.length) {
+            throw new Error('One or more agents were not found.');
+        }
+
         await db.sequelize.transaction(async (transaction) => {
             for (const record of agents) {
                 await record.update(
@@ -242,7 +298,17 @@ module.exports = class AgentsDBApi {
         const currentUser = (options && options.currentUser) || {id: null};
         const transaction = (options && options.transaction) || undefined;
 
-        const agents = await db.agents.findByPk(id, options);
+        const agents = await db.agents.findOne({
+            where: mergeWhere(
+                { id },
+                buildWritableAgentWhere(currentUser),
+            ),
+            transaction,
+        });
+
+        if (!agents) {
+            throw new Error('Agent not found.');
+        }
 
         await agents.update({
             deletedBy: currentUser.id
@@ -258,11 +324,20 @@ module.exports = class AgentsDBApi {
     }
 
     static async findBy(where, options) {
+        const currentUser = (options && options.currentUser) || { id: null };
+        const scopeWhere = options && options.writeAccess
+            ? buildWritableAgentWhere(currentUser)
+            : buildVisibleAgentWhere(currentUser);
         const transaction = (options && options.transaction) || undefined;
 
         const agents = await db.agents.findOne(
-            { where },
+            {
-            { transaction },
+                where: mergeWhere(
+                    where,
+                    scopeWhere,
+                ),
+                transaction,
+            },
         );
 
         if (!agents) {
@@ -297,6 +372,7 @@ module.exports = class AgentsDBApi {
           filter,
            options
         ) {
+        const currentUser = (options && options.currentUser) || { id: null };
         const limit = filter.limit || 0;
         let offset = 0;
         let where = {};
@@ -491,7 +567,10 @@ module.exports = class AgentsDBApi {
         
 
         const queryOptions = {
-            where,
+            where: mergeWhere(
+                where,
+                buildVisibleAgentWhere(currentUser),
+            ),
             include,
             distinct: true,
             order: filter.field && filter.sort
@@ -519,7 +598,8 @@ module.exports = class AgentsDBApi {
         }
     }
 
-    static async findAllAutocomplete(query, limit, offset, ) {
+    static async findAllAutocomplete(query, limit, offset, options) {
+        const currentUser = (options && options.currentUser) || { id: null };
         let where = {};
         
         
@@ -539,7 +619,10 @@ module.exports = class AgentsDBApi {
 
         const records = await db.agents.findAll({
             attributes: [ 'id', 'name' ],
-            where,
+            where: mergeWhere(
+                where,
+                buildVisibleAgentWhere(currentUser),
+            ),
             limit: limit ? Number(limit) : undefined,
             offset: offset ? Number(offset) : undefined,
             orderBy: [['name', 'ASC']],
@@ -553,4 +636,3 @@ module.exports = class AgentsDBApi {
 
     
 };
-

backend/src/db/api/conversations.js

@@ -9,6 +9,33 @@ const Utils = require('../utils');
 const Sequelize = db.Sequelize;
 const Op = Sequelize.Op;
 
+function buildOwnedConversationWhere(currentUser) {
+    if (!currentUser || !currentUser.id) {
+        return {};
+    }
+
+    return {
+        userId: currentUser.id,
+    };
+}
+
+function mergeWhere(left, right) {
+    const hasLeft = left && Object.keys(left).length;
+    const hasRight = right && Object.keys(right).length;
+
+    if (!hasLeft) {
+        return right || {};
+    }
+
+    if (!hasRight) {
+        return left || {};
+    }
+
+    return {
+        [Op.and]: [left, right],
+    };
+}
+
 module.exports = class ConversationsDBApi {
     
 
@@ -60,7 +87,7 @@ module.exports = class ConversationsDBApi {
     );
 
         
-        await conversations.setUser( data.user || null, {
+        await conversations.setUser( currentUser.id || null, {
             transaction,
         });
         
@@ -135,8 +162,17 @@ module.exports = class ConversationsDBApi {
         const currentUser = (options && options.currentUser) || {id: null};
         const transaction = (options && options.transaction) || undefined;
         
+        const conversations = await db.conversations.findOne({
+            where: mergeWhere(
+                { id },
+                buildOwnedConversationWhere(currentUser),
+            ),
+            transaction,
+        });
 
-        const conversations = await db.conversations.findByPk(id, {}, {transaction});
+        if (!conversations) {
+            throw new Error('Conversation not found.');
+        }
 
 
         
@@ -199,14 +235,21 @@ module.exports = class ConversationsDBApi {
         const transaction = (options && options.transaction) || undefined;
 
         const conversations = await db.conversations.findAll({
-            where: {
+            where: mergeWhere(
-                id: {
+                {
-                    [Op.in]: ids,
+                    id: {
+                        [Op.in]: ids,
+                    },
                 },
-            },
+                buildOwnedConversationWhere(currentUser),
+            ),
             transaction,
         });
 
+        if (conversations.length !== ids.length) {
+            throw new Error('One or more conversations were not found.');
+        }
+
         await db.sequelize.transaction(async (transaction) => {
             for (const record of conversations) {
                 await record.update(
@@ -227,7 +270,17 @@ module.exports = class ConversationsDBApi {
         const currentUser = (options && options.currentUser) || {id: null};
         const transaction = (options && options.transaction) || undefined;
 
-        const conversations = await db.conversations.findByPk(id, options);
+        const conversations = await db.conversations.findOne({
+            where: mergeWhere(
+                { id },
+                buildOwnedConversationWhere(currentUser),
+            ),
+            transaction,
+        });
+
+        if (!conversations) {
+            throw new Error('Conversation not found.');
+        }
 
         await conversations.update({
             deletedBy: currentUser.id
@@ -243,11 +296,17 @@ module.exports = class ConversationsDBApi {
     }
 
     static async findBy(where, options) {
+        const currentUser = (options && options.currentUser) || { id: null };
         const transaction = (options && options.transaction) || undefined;
 
         const conversations = await db.conversations.findOne(
-            { where },
+            {
-            { transaction },
+                where: mergeWhere(
+                    where,
+                    buildOwnedConversationWhere(currentUser),
+                ),
+                transaction,
+            },
         );
 
         if (!conversations) {
@@ -292,6 +351,7 @@ module.exports = class ConversationsDBApi {
           filter,
            options
         ) {
+        const currentUser = (options && options.currentUser) || { id: null };
         const limit = filter.limit || 0;
         let offset = 0;
         let where = {};
@@ -478,7 +538,10 @@ module.exports = class ConversationsDBApi {
         
 
         const queryOptions = {
-            where,
+            where: mergeWhere(
+                where,
+                buildOwnedConversationWhere(currentUser),
+            ),
             include,
             distinct: true,
             order: filter.field && filter.sort
@@ -506,7 +569,8 @@ module.exports = class ConversationsDBApi {
         }
     }
 
-    static async findAllAutocomplete(query, limit, offset, ) {
+    static async findAllAutocomplete(query, limit, offset, options) {
+        const currentUser = (options && options.currentUser) || { id: null };
         let where = {};
         
         
@@ -526,7 +590,10 @@ module.exports = class ConversationsDBApi {
 
         const records = await db.conversations.findAll({
             attributes: [ 'id', 'title' ],
-            where,
+            where: mergeWhere(
+                where,
+                buildOwnedConversationWhere(currentUser),
+            ),
             limit: limit ? Number(limit) : undefined,
             offset: offset ? Number(offset) : undefined,
             orderBy: [['title', 'ASC']],
@@ -540,4 +607,3 @@ module.exports = class ConversationsDBApi {
 
     
 };
-

backend/src/db/api/messages.js

@@ -9,6 +9,33 @@ const Utils = require('../utils');
 const Sequelize = db.Sequelize;
 const Op = Sequelize.Op;
 
+function buildOwnedConversationWhere(currentUser) {
+    if (!currentUser || !currentUser.id) {
+        return {};
+    }
+
+    return {
+        userId: currentUser.id,
+    };
+}
+
+function mergeWhere(left, right) {
+    const hasLeft = left && Object.keys(left).length;
+    const hasRight = right && Object.keys(right).length;
+
+    if (!hasLeft) {
+        return right || {};
+    }
+
+    if (!hasRight) {
+        return left || {};
+    }
+
+    return {
+        [Op.and]: [left, right],
+    };
+}
+
 module.exports = class MessagesDBApi {
     
 
@@ -173,8 +200,24 @@ module.exports = class MessagesDBApi {
         const currentUser = (options && options.currentUser) || {id: null};
         const transaction = (options && options.transaction) || undefined;
         
+        const messages = await db.messages.findOne({
+            where: {
+                id,
+            },
+            include: [
+                {
+                    model: db.conversations,
+                    as: 'conversation',
+                    where: buildOwnedConversationWhere(currentUser),
+                    required: true,
+                },
+            ],
+            transaction,
+        });
 
-        const messages = await db.messages.findByPk(id, {}, {transaction});
+        if (!messages) {
+            throw new Error('Message not found.');
+        }
 
 
         
@@ -254,9 +297,21 @@ module.exports = class MessagesDBApi {
                     [Op.in]: ids,
                 },
             },
+            include: [
+                {
+                    model: db.conversations,
+                    as: 'conversation',
+                    where: buildOwnedConversationWhere(currentUser),
+                    required: true,
+                },
+            ],
             transaction,
         });
 
+        if (messages.length !== ids.length) {
+            throw new Error('One or more messages were not found.');
+        }
+
         await db.sequelize.transaction(async (transaction) => {
             for (const record of messages) {
                 await record.update(
@@ -277,7 +332,24 @@ module.exports = class MessagesDBApi {
         const currentUser = (options && options.currentUser) || {id: null};
         const transaction = (options && options.transaction) || undefined;
 
-        const messages = await db.messages.findByPk(id, options);
+        const messages = await db.messages.findOne({
+            where: {
+                id,
+            },
+            include: [
+                {
+                    model: db.conversations,
+                    as: 'conversation',
+                    where: buildOwnedConversationWhere(currentUser),
+                    required: true,
+                },
+            ],
+            transaction,
+        });
+
+        if (!messages) {
+            throw new Error('Message not found.');
+        }
 
         await messages.update({
             deletedBy: currentUser.id
@@ -293,11 +365,22 @@ module.exports = class MessagesDBApi {
     }
 
     static async findBy(where, options) {
+        const currentUser = (options && options.currentUser) || { id: null };
         const transaction = (options && options.transaction) || undefined;
 
         const messages = await db.messages.findOne(
-            { where },
+            {
-            { transaction },
+                where,
+                include: [
+                    {
+                        model: db.conversations,
+                        as: 'conversation',
+                        where: buildOwnedConversationWhere(currentUser),
+                        required: true,
+                    },
+                ],
+                transaction,
+            },
         );
 
         if (!messages) {
@@ -342,6 +425,7 @@ module.exports = class MessagesDBApi {
           filter,
            options
         ) {
+        const currentUser = (options && options.currentUser) || { id: null };
         const limit = filter.limit || 0;
         let offset = 0;
         let where = {};
@@ -363,16 +447,20 @@ module.exports = class MessagesDBApi {
         model: db.conversations,
         as: 'conversation',
         
-        where: filter.conversation ? {
+        where: mergeWhere(
-          [Op.or]: [
+          filter.conversation ? {
-            { id: { [Op.in]: filter.conversation.split('|').map(term => Utils.uuid(term)) } },
+            [Op.or]: [
-            {
+              { id: { [Op.in]: filter.conversation.split('|').map(term => Utils.uuid(term)) } },
-              title: {
+              {
-                [Op.or]: filter.conversation.split('|').map(term => ({ [Op.iLike]: `%${term}%` }))
+                title: {
-              }
+                  [Op.or]: filter.conversation.split('|').map(term => ({ [Op.iLike]: `%${term}%` }))
-            },
+                }
-          ]
+              },
-        } : {},
+            ]
+          } : {},
+          buildOwnedConversationWhere(currentUser),
+        ),
+        required: true,
         
       },
 
@@ -626,7 +714,8 @@ module.exports = class MessagesDBApi {
         }
     }
 
-    static async findAllAutocomplete(query, limit, offset, ) {
+    static async findAllAutocomplete(query, limit, offset, options) {
+        const currentUser = (options && options.currentUser) || { id: null };
         let where = {};
         
         
@@ -647,6 +736,15 @@ module.exports = class MessagesDBApi {
         const records = await db.messages.findAll({
             attributes: [ 'id', 'content' ],
             where,
+            include: [
+                {
+                    model: db.conversations,
+                    as: 'conversation',
+                    where: buildOwnedConversationWhere(currentUser),
+                    required: true,
+                    attributes: [],
+                },
+            ],
             limit: limit ? Number(limit) : undefined,
             offset: offset ? Number(offset) : undefined,
             orderBy: [['content', 'ASC']],
@@ -660,4 +758,3 @@ module.exports = class MessagesDBApi {
 
     
 };
-

backend/src/db/api/usage_events.js

@@ -9,6 +9,33 @@ const Utils = require('../utils');
 const Sequelize = db.Sequelize;
 const Op = Sequelize.Op;
 
+function buildOwnedUsageEventsWhere(currentUser) {
+    if (!currentUser || !currentUser.id) {
+        return {};
+    }
+
+    return {
+        userId: currentUser.id,
+    };
+}
+
+function mergeWhere(left, right) {
+    const hasLeft = left && Object.keys(left).length;
+    const hasRight = right && Object.keys(right).length;
+
+    if (!hasLeft) {
+        return right || {};
+    }
+
+    if (!hasRight) {
+        return left || {};
+    }
+
+    return {
+        [Op.and]: [left, right],
+    };
+}
+
 module.exports = class Usage_eventsDBApi {
     
 
@@ -171,8 +198,17 @@ module.exports = class Usage_eventsDBApi {
         const currentUser = (options && options.currentUser) || {id: null};
         const transaction = (options && options.transaction) || undefined;
         
+        const usage_events = await db.usage_events.findOne({
+            where: mergeWhere(
+                { id },
+                buildOwnedUsageEventsWhere(currentUser),
+            ),
+            transaction,
+        });
 
-        const usage_events = await db.usage_events.findByPk(id, {}, {transaction});
+        if (!usage_events) {
+            throw new Error('Usage event not found.');
+        }
 
 
         
@@ -262,14 +298,21 @@ module.exports = class Usage_eventsDBApi {
         const transaction = (options && options.transaction) || undefined;
 
         const usage_events = await db.usage_events.findAll({
-            where: {
+            where: mergeWhere(
-                id: {
+                {
-                    [Op.in]: ids,
+                    id: {
+                        [Op.in]: ids,
+                    },
                 },
-            },
+                buildOwnedUsageEventsWhere(currentUser),
+            ),
             transaction,
         });
 
+        if (usage_events.length !== ids.length) {
+            throw new Error('One or more usage events were not found.');
+        }
+
         await db.sequelize.transaction(async (transaction) => {
             for (const record of usage_events) {
                 await record.update(
@@ -290,7 +333,17 @@ module.exports = class Usage_eventsDBApi {
         const currentUser = (options && options.currentUser) || {id: null};
         const transaction = (options && options.transaction) || undefined;
 
-        const usage_events = await db.usage_events.findByPk(id, options);
+        const usage_events = await db.usage_events.findOne({
+            where: mergeWhere(
+                { id },
+                buildOwnedUsageEventsWhere(currentUser),
+            ),
+            transaction,
+        });
+
+        if (!usage_events) {
+            throw new Error('Usage event not found.');
+        }
 
         await usage_events.update({
             deletedBy: currentUser.id
@@ -306,11 +359,17 @@ module.exports = class Usage_eventsDBApi {
     }
 
     static async findBy(where, options) {
+        const currentUser = (options && options.currentUser) || { id: null };
         const transaction = (options && options.transaction) || undefined;
 
         const usage_events = await db.usage_events.findOne(
-            { where },
+            {
-            { transaction },
+                where: mergeWhere(
+                    where,
+                    buildOwnedUsageEventsWhere(currentUser),
+                ),
+                transaction,
+            },
         );
 
         if (!usage_events) {
@@ -357,6 +416,7 @@ module.exports = class Usage_eventsDBApi {
           filter,
            options
         ) {
+        const currentUser = (options && options.currentUser) || { id: null };
         const limit = filter.limit || 0;
         let offset = 0;
         let where = {};
@@ -670,7 +730,10 @@ module.exports = class Usage_eventsDBApi {
         
 
         const queryOptions = {
-            where,
+            where: mergeWhere(
+                where,
+                buildOwnedUsageEventsWhere(currentUser),
+            ),
             include,
             distinct: true,
             order: filter.field && filter.sort
@@ -698,7 +761,8 @@ module.exports = class Usage_eventsDBApi {
         }
     }
 
-    static async findAllAutocomplete(query, limit, offset, ) {
+    static async findAllAutocomplete(query, limit, offset, options) {
+        const currentUser = (options && options.currentUser) || { id: null };
         let where = {};
         
         
@@ -718,7 +782,10 @@ module.exports = class Usage_eventsDBApi {
 
         const records = await db.usage_events.findAll({
             attributes: [ 'id', 'provider' ],
-            where,
+            where: mergeWhere(
+                where,
+                buildOwnedUsageEventsWhere(currentUser),
+            ),
             limit: limit ? Number(limit) : undefined,
             offset: offset ? Number(offset) : undefined,
             orderBy: [['provider', 'ASC']],
@@ -732,4 +799,3 @@ module.exports = class Usage_eventsDBApi {
 
     
 };
-

backend/src/routes/agents.js

@@ -356,7 +356,6 @@ router.get('/count', wrapAsync(async (req, res) => {
     const currentUser = req.currentUser;
     const payload = await AgentsDBApi.findAll(
         req.query,
-         null, 
         { countOnly: true, currentUser }
     );
 
@@ -394,7 +393,7 @@ router.get('/autocomplete', async (req, res) => {
     req.query.query,
     req.query.limit,
     req.query.offset,
-    
+    { currentUser: req.currentUser }
   );
 
   res.status(200).send(payload);
@@ -435,9 +434,13 @@ router.get('/autocomplete', async (req, res) => {
 router.get('/:id', wrapAsync(async (req, res) => {
   const payload = await AgentsDBApi.findBy(
     { id: req.params.id },
+    { currentUser: req.currentUser },
   );
 
-  
+  if (!payload) {
+    res.status(404).send({ message: 'Agent not found.' });
+    return;
+  }
 
   res.status(200).send(payload);
 }));

backend/src/routes/conversations.js

@@ -345,7 +345,6 @@ router.get('/count', wrapAsync(async (req, res) => {
     const currentUser = req.currentUser;
     const payload = await ConversationsDBApi.findAll(
         req.query,
-         null, 
         { countOnly: true, currentUser }
     );
 
@@ -383,7 +382,7 @@ router.get('/autocomplete', async (req, res) => {
     req.query.query,
     req.query.limit,
     req.query.offset,
-    
+    { currentUser: req.currentUser }
   );
 
   res.status(200).send(payload);
@@ -424,9 +423,13 @@ router.get('/autocomplete', async (req, res) => {
 router.get('/:id', wrapAsync(async (req, res) => {
   const payload = await ConversationsDBApi.findBy(
     { id: req.params.id },
+    { currentUser: req.currentUser },
   );
 
-  
+  if (!payload) {
+    res.status(404).send({ message: 'Conversation not found.' });
+    return;
+  }
 
   res.status(200).send(payload);
 }));

backend/src/routes/messages.js

@@ -355,7 +355,6 @@ router.get('/count', wrapAsync(async (req, res) => {
     const currentUser = req.currentUser;
     const payload = await MessagesDBApi.findAll(
         req.query,
-         null, 
         { countOnly: true, currentUser }
     );
 
@@ -393,7 +392,7 @@ router.get('/autocomplete', async (req, res) => {
     req.query.query,
     req.query.limit,
     req.query.offset,
-    
+    { currentUser: req.currentUser }
   );
 
   res.status(200).send(payload);
@@ -434,9 +433,13 @@ router.get('/autocomplete', async (req, res) => {
 router.get('/:id', wrapAsync(async (req, res) => {
   const payload = await MessagesDBApi.findBy(
     { id: req.params.id },
+    { currentUser: req.currentUser },
   );
 
-  
+  if (!payload) {
+    res.status(404).send({ message: 'Message not found.' });
+    return;
+  }
 
   res.status(200).send(payload);
 }));

backend/src/routes/usage_events.js

@@ -357,7 +357,6 @@ router.get('/count', wrapAsync(async (req, res) => {
     const currentUser = req.currentUser;
     const payload = await Usage_eventsDBApi.findAll(
         req.query,
-         null, 
         { countOnly: true, currentUser }
     );
 
@@ -395,7 +394,7 @@ router.get('/autocomplete', async (req, res) => {
     req.query.query,
     req.query.limit,
     req.query.offset,
-    
+    { currentUser: req.currentUser }
   );
 
   res.status(200).send(payload);
@@ -436,9 +435,13 @@ router.get('/autocomplete', async (req, res) => {
 router.get('/:id', wrapAsync(async (req, res) => {
   const payload = await Usage_eventsDBApi.findBy(
     { id: req.params.id },
+    { currentUser: req.currentUser },
   );
 
-  
+  if (!payload) {
+    res.status(404).send({ message: 'Usage event not found.' });
+    return;
+  }
 
   res.status(200).send(payload);
 }));

backend/src/services/agents.js

@@ -70,7 +70,11 @@ module.exports = class AgentsService {
     try {
       let agents = await AgentsDBApi.findBy(
         {id},
-        {transaction},
+        {
+          currentUser,
+          transaction,
+          writeAccess: true,
+        },
       );
 
       if (!agents) {
@@ -135,4 +139,3 @@ module.exports = class AgentsService {
   
 };
 
-

backend/src/services/conversations.js

@@ -70,7 +70,10 @@ module.exports = class ConversationsService {
     try {
       let conversations = await ConversationsDBApi.findBy(
         {id},
-        {transaction},
+        {
+          currentUser,
+          transaction,
+        },
       );
 
       if (!conversations) {
@@ -135,4 +138,3 @@ module.exports = class ConversationsService {
   
 };
 
-

backend/src/services/messages.js

@@ -70,7 +70,10 @@ module.exports = class MessagesService {
     try {
       let messages = await MessagesDBApi.findBy(
         {id},
-        {transaction},
+        {
+          currentUser,
+          transaction,
+        },
       );
 
       if (!messages) {
@@ -135,4 +138,3 @@ module.exports = class MessagesService {
   
 };
 
-

backend/src/services/usage_events.js

@@ -70,7 +70,10 @@ module.exports = class Usage_eventsService {
     try {
       let usage_events = await Usage_eventsDBApi.findBy(
         {id},
-        {transaction},
+        {
+          currentUser,
+          transaction,
+        },
       );
 
       if (!usage_events) {
@@ -135,4 +138,3 @@ module.exports = class Usage_eventsService {
   
 };
 
-

backend/src/services/workspace.js

@@ -26,6 +26,20 @@ function cleanMarkdownPreview(value) {
     .trim();
 }
 
+function buildVisibleAgentWhere(currentUser) {
+  return {
+    is_active: true,
+    [Op.or]: [
+      {
+        createdById: currentUser.id,
+      },
+      {
+        is_default: true,
+      },
+    ],
+  };
+}
+
 function buildConversationTitle(content) {
   const normalized = cleanMarkdownPreview(content);
 
@@ -205,11 +219,11 @@ async function findLatestUserMessageBeforeSequence(conversationId, sequence, tra
 async function resolveConversationAgent(conversation, currentUser, transaction) {
   let agent = conversation.agent;
 
-  if (agent) {
+  if (agent && (agent.createdById === currentUser.id || agent.is_default)) {
     return agent;
   }
 
-  agent = await findDefaultAgent(transaction);
+  agent = await findDefaultAgent(currentUser, transaction);
 
   if (!agent) {
     return null;
@@ -463,7 +477,7 @@ function sortConversations(conversations) {
   });
 }
 
-async function findDefaultAgent(transaction) {
+async function findDefaultAgent(currentUser, transaction) {
   const defaultAgent = await db.agents.findOne({
     where: {
       is_active: true,
@@ -480,6 +494,7 @@ async function findDefaultAgent(transaction) {
   return db.agents.findOne({
     where: {
       is_active: true,
+      createdById: currentUser.id,
     },
     order: [['createdAt', 'ASC']],
     transaction,
@@ -529,9 +544,7 @@ module.exports = class WorkspaceService {
   static async bootstrap(currentUser) {
     const [agents, conversations] = await Promise.all([
       db.agents.findAll({
-        where: {
+        where: buildVisibleAgentWhere(currentUser),
-          is_active: true,
-        },
         order: [
           ['is_default', 'DESC'],
           ['name', 'ASC'],
@@ -614,14 +627,14 @@ module.exports = class WorkspaceService {
         agent = await db.agents.findOne({
           where: {
             id: data.agentId,
-            is_active: true,
+            ...buildVisibleAgentWhere(currentUser),
           },
           transaction,
         });
       }
 
       if (!agent) {
-        agent = await findDefaultAgent(transaction);
+        agent = await findDefaultAgent(currentUser, transaction);
       }
 
       const conversation = await db.conversations.create(
@@ -686,7 +699,7 @@ module.exports = class WorkspaceService {
           const agent = await db.agents.findOne({
             where: {
               id: data.agentId,
-              is_active: true,
+              ...buildVisibleAgentWhere(currentUser),
             },
             transaction,
           });
@@ -809,7 +822,7 @@ module.exports = class WorkspaceService {
         agent = await db.agents.findOne({
           where: {
             id: data.agentId,
-            is_active: true,
+            ...buildVisibleAgentWhere(currentUser),
           },
           transaction: createTransaction,
         });