feat(deploy): Complete mini-PaaS deployment system (t-266)

- Add Omni/Deploy/ with Manifest, Deployer, Systemd, Caddy modules
- Manifest CLI: show, update, add-service, list, rollback commands
- Deployer: polls S3 manifest, pulls closures, manages systemd units
- Caddy integration for dynamic reverse proxy routes
- bild: auto-cache to S3, outputs STORE_PATH for push.sh
- push.sh: supports both NixOS and service deploys
- Biz.nix: simplified to base OS + deployer only
- Services (podcastitlater-web/worker) now deployer-managed
- Documentation: README.md with operations guide

1 files changed, 4 insertions, 3 deletions

diff --git a/Biz/EmailAgent.py b/Biz/EmailAgent.py
index 6ac4c95..ca42de3 100755
--- a/Biz/EmailAgent.py
+++ b/Biz/EmailAgent.py
@@ -31,7 +31,7 @@ def send_email(
     Send an email using the provided parameters.
 
     Args:
-        to_addr: Recipient email addresses
+        to_addrs: Recipient email addresses
         from_addr: Sender email address
         smtp_server: SMTP server hostname
         password: Password for authentication
@@ -56,8 +56,9 @@ def send_email(
         with body_html.open(encoding="utf-*") as html:
             msg.add_alternative(html.read(), subtype="html")
     with smtplib.SMTP(smtp_server, port) as server:
-        server.starttls()
-        server.login(from_addr, password)
+        if password:
+            server.starttls()
+            server.login(from_addr, password)
         return server.send_message(
             msg,
             from_addr=from_addr,