build: container paths point at roundtable package

Keeps the image buildable after the package rename. Image name, container
name, compose service, and env vars still flip in PR 4.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

entrypoint.sh

@@ -5,7 +5,7 @@
 #   - Generates /etc/nut/*.conf from environment variables
 #   - Starts NUT driver (upsdrvctl) and network daemon (upsd)
 #   - Connects to the UPS over the network — no USB passthrough required
-#   - Then drops to 'app' user via gosu to run fabledscryer
+#   - Then drops to 'app' user via gosu to run roundtable
 #
 # When NUT_MANAGED=0 (default):
 #   - Drops directly to 'app' user and runs the command
@@ -27,13 +27,13 @@ if [ "${NUT_MANAGED:-0}" = "1" ] || [ -f "$NUT_MANAGED_JSON" ]; then
     NUT_OK=1
     if [ -f "$NUT_MANAGED_JSON" ]; then
         echo "[entrypoint] Found $NUT_MANAGED_JSON — configuring NUT from settings..."
-        python3 /app/fabledscryer/nut_setup.py --from-file "$NUT_MANAGED_JSON" || {
+        python3 /app/roundtable/nut_setup.py --from-file "$NUT_MANAGED_JSON" || {
             echo "[entrypoint] Warning: NUT config failed — UPS host may not be set yet. Skipping NUT startup."
             NUT_OK=0
         }
     else
         echo "[entrypoint] NUT_MANAGED=1 — configuring NUT from environment..."
-        python3 /app/fabledscryer/nut_setup.py || {
+        python3 /app/roundtable/nut_setup.py || {
             echo "[entrypoint] Warning: NUT config failed — check NUT_UPS_HOST. Skipping NUT startup."
             NUT_OK=0
         }