chore(deploy): source .env by default

Load environment variables from .env (or ENV_FILE) so deploy.sh runs without manual exports, and align .env.example with required variables.

Author: keithah

.env.example

@@ -1,8 +1,11 @@
 # GitHub App Configuration (required)
 GITHUB_APP_ID=
-GITHUB_PRIVATE_KEY=       # Inline PEM, file path (absolute or ./relative), or base64-encoded
+GITHUB_PRIVATE_KEY_BASE64=   # base64 -w0 < private-key.pem
 GITHUB_WEBHOOK_SECRET=
 
+# Claude Code (required)
+CLAUDE_CODE_OAUTH_TOKEN=
+
 # Server Configuration (optional)
 PORT=3000
 LOG_LEVEL=info            # trace, debug, info, warn, error, fatal

deploy.sh

@@ -22,6 +22,18 @@ set -euo pipefail
 # pass the base64-encoded value straight through as GITHUB_PRIVATE_KEY.
 ###############################################################################
 
+# -- Load .env (optional) ------------------------------------------------------
+# If you prefer not to export variables in your shell, create a local `.env`
+# file and run `./deploy.sh`. This script will source it automatically.
+ENV_FILE=${ENV_FILE:-.env}
+if [[ -f "$ENV_FILE" ]]; then
+  # Export all variables defined in the file.
+  set -a
+  # shellcheck disable=SC1090
+  source "$ENV_FILE"
+  set +a
+fi
+
 # -- Configuration (customize as needed) --------------------------------------
 RESOURCE_GROUP="rg-kodiai"
 LOCATION="eastus"