feat: add scripts/stop

docs/specs/2026-06-20-initial-scaffold-design.md

@@ -24,7 +24,8 @@ simple (one language, two packages) and is adequate for Spine's complexity level
 ```
 spine/
 ├── scripts/
-│   └── run                 # start the server as a daemon
+│   ├── run                 # start the server as a daemon
+│   └── stop                # stop the daemon
 ├── spine.el               # entry point: bootstrap, server start, handlers
 ├── templates/
 │   └── hello.mustache     # smoke-test template
@@ -141,12 +142,10 @@ scripts/run [HOST:]PORT
 ```
 
 - `scripts/run 9090` → `http://localhost:9090/hello`
-- `scripts/run 0.0.0.0:8080` → `http://0.0.0.0:8080/hello` (all interfaces)
+Stop: `scripts/stop`
-- `scripts/run` → `http://localhost:8080/hello`
-
-Stop: `emacsclient --socket-name=spine --eval '(kill-emacs)'`
 
 The socket name `spine` is separate from the default Emacs daemon socket,
+
 so your personal daemon is unaffected.
 
 Development use — interactive Emacs in the terminal:

scripts/stop

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+emacsclient --socket-name=spine --eval '(kill-emacs)' 2>/dev/null || {
+  echo "Spine daemon is not running"
+  exit 1
+}
+echo "Spine stopped"