chore: import upstream snapshot with attribution

apps/sim/tools/zep/add_messages.ts

@@ -0,0 +1,113 @@
+import type { ToolConfig } from '@/tools/types'
+import type { ZepResponse } from '@/tools/zep/types'
+import { THREAD_OUTPUT_PROPERTIES } from '@/tools/zep/types'
+
+export const zepAddMessagesTool: ToolConfig<any, ZepResponse> = {
+  id: 'zep_add_messages',
+  name: 'Add Messages',
+  description: 'Add messages to an existing thread',
+  version: '1.0.0',
+
+  params: {
+    threadId: {
+      type: 'string',
+      required: true,
+      visibility: 'user-or-llm',
+      description: 'Thread ID to add messages to (e.g., "thread_abc123")',
+    },
+    messages: {
+      type: 'json',
+      required: true,
+      visibility: 'user-or-llm',
+      description:
+        'Array of message objects with role and content (e.g., [{"role": "user", "content": "Hello"}])',
+    },
+    apiKey: {
+      type: 'string',
+      required: true,
+      visibility: 'user-only',
+      description: 'Your Zep API key',
+    },
+  },
+
+  request: {
+    url: (params) => `https://api.getzep.com/api/v2/threads/${params.threadId}/messages`,
+    method: 'POST',
+    headers: (params) => ({
+      Authorization: `Api-Key ${params.apiKey}`,
+      'Content-Type': 'application/json',
+    }),
+    body: (params) => {
+      let messagesArray = params.messages
+      if (typeof messagesArray === 'string') {
+        try {
+          messagesArray = JSON.parse(messagesArray)
+        } catch (_e) {
+          throw new Error('Messages must be a valid JSON array')
+        }
+      }
+
+      if (!Array.isArray(messagesArray) || messagesArray.length === 0) {
+        throw new Error('Messages must be a non-empty array')
+      }
+
+      for (const msg of messagesArray) {
+        if (!msg.role || !msg.content) {
+          throw new Error('Each message must have role and content properties')
+        }
+      }
+
+      return {
+        messages: messagesArray,
+      }
+    },
+  },
+
+  transformResponse: async (response, params) => {
+    const threadId = params.threadId
+
+    if (!response.ok) {
+      const error = await response.text()
+      throw new Error(`Zep API error (${response.status}): ${error || response.statusText}`)
+    }
+
+    const text = await response.text()
+    if (!text || text.trim() === '') {
+      return {
+        success: true,
+        output: {
+          threadId,
+          added: true,
+          messageIds: [],
+        },
+      }
+    }
+
+    const data = JSON.parse(text)
+
+    return {
+      success: true,
+      output: {
+        threadId,
+        added: true,
+        messageIds: data.message_uuids || [],
+      },
+    }
+  },
+
+  outputs: {
+    threadId: THREAD_OUTPUT_PROPERTIES.threadId,
+    added: {
+      type: 'boolean',
+      description: 'Whether messages were added successfully',
+    },
+    messageIds: {
+      type: 'array',
+      description: 'Array of added message UUIDs',
+      items: {
+        type: 'string',
+        description: 'Message UUID',
+      },
+    },
+  },
+}