Omni/Deploy: rename biz-deployer to deployer

Rename the service from biz-deployer to deployer for simplicity.
Updates Deployer.nix, Beryllium.nix, and Biz.nix.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/Biz.nix b/Biz.nix
index ab79c1b..66ed4fb 100755
--- a/Biz.nix
+++ b/Biz.nix
@@ -31,7 +31,7 @@ bild.os {
   # Mini-PaaS deployer service manages all application services
   # via manifest.json in S3. Services like podcastitlater-web,
   # podcastitlater-worker are deployed dynamically without NixOS rebuild.
-  services.biz-deployer = {
+  services.deployer = {
     enable = true;
     package = packages.biz-deployer;
     manifestPackage = packages.deploy-manifest;