Merge pull request #6 from KasarLabs/feat/add-langsmith-support

Add langsmith support and update documentation about it.

Author: ijusttookadnatest

README.md

@@ -117,7 +117,25 @@ There are mainly 2 ways of installing Cairo Coder - With Docker, Without Docker.
    database, while the second is used by your application to connect to it.
 
 
-7. Run the application using one of the following methods:
+7. **Configure LangSmith (Optional)**
+
+   Cairo Coder can use LangSmith to record and monitor LLM calls. This step is optional but recommended for development and debugging.
+   
+   - Create an account at [LangSmith](https://smith.langchain.com/)
+   - Create a new project in the LangSmith dashboard
+   - Retrieve your API credentials
+   - Create a `.env` file in the `packages/backend` directory with the following variables:
+   ```
+   LANGSMITH_TRACING=true
+   LANGSMITH_ENDPOINT="https://api.smith.langchain.com"
+   LANGSMITH_API_KEY="<your-api-key>"
+   LANGCHAIN_PROJECT="<your-project-name>"
+   ```
+
+   With this configuration, all LLM calls and chain executions will be logged to your LangSmith project, allowing you to debug, analyze, and improve the system's performance.
+
+
+9. Run the application using one of the following methods:
 
    ```bash
    docker-compose up --build

docker-compose.yml

@@ -23,6 +23,8 @@ services:
       - 3001:3001
     extra_hosts:
       - host.docker.internal:host-gateway
+    env_file:
+      - packages/backend/.env
     depends_on:
       postgres:
         condition: service_started

packages/backend/package.json

@@ -12,15 +12,16 @@
     "check-types": "tsc --noEmit"
   },
   "dependencies": {
+    "@cairo-coder/agents": "workspace:*",
     "@iarna/toml": "^2.2.5",
     "@langchain/anthropic": "^0.2.18",
     "@langchain/community": "^0.3.32",
     "@langchain/core": "^0.2.36",
     "@langchain/google-genai": "^0.1.8",
     "@langchain/openai": "^0.0.25",
-    "@cairo-coder/agents": "workspace:*",
     "@types/node": "^20",
     "cors": "^2.8.5",
+    "dotenv": "^16.4.7",
     "express": "^4.21.2",
     "node-fetch": "2.7.0",
     "uuid": "^11.1.0",

packages/backend/src/app.ts

@@ -1,5 +1,8 @@
 import { createApplication } from './server';
 import { logger } from '@cairo-coder/agents/utils/index';
+import dotenv from 'dotenv';
+
+dotenv.config();
 
 // Error handling for uncaught exceptions
 process.on('uncaughtException', (err, origin) => {