condition check lambda

lambdas/conditionCheckReminder/README.md

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+# Condition Check Reminder Lambda
+
+Sends email reminders to owners and renters to complete condition checks at key points in the rental lifecycle.
+
+## Check Types
+
+| Check Type | Recipient | Timing |
+|------------|-----------|--------|
+| `pre_rental_owner` | Owner | 24 hours before rental start |
+| `rental_start_renter` | Renter | At rental start |
+| `rental_end_renter` | Renter | At rental end |
+| `post_rental_owner` | Owner | 24 hours after rental end |
+
+## Local Development
+
+### Install Dependencies
+
+```bash
+cd lambdas/shared && npm install
+cd ../conditionCheckReminder && npm install
+```
+
+### Set Up Environment
+
+```bash
+cp .env.example .env.dev
+# Edit .env.dev with your DATABASE_URL
+```
+
+### Run Locally
+
+```bash
+# Default: rental ID 1, check type pre_rental_owner
+npm run local
+
+# Specify rental ID and check type
+node -r dotenv/config test-local.js dotenv_config_path=.env.dev 123 rental_start_renter
+```
+
+## Environment Variables
+
+| Variable | Description | Example |
+|----------|-------------|---------|
+| `DATABASE_URL` | PostgreSQL connection string | `postgresql://user:pass@localhost:5432/rentall` |
+| `FRONTEND_URL` | Frontend URL for email links | `http://localhost:3000` |
+| `SES_FROM_EMAIL` | Sender email address | `noreply@villageshare.app` |
+| `EMAIL_ENABLED` | Enable/disable email sending | `false` |
+| `SCHEDULE_GROUP_NAME` | EventBridge schedule group | `condition-check-reminders-dev` |
+| `AWS_REGION` | AWS region | `us-east-1` |
+
+## Deployment
+
+See [infrastructure/cdk/README.md](../../infrastructure/cdk/README.md) for deployment instructions.