fix(deploy): add compose project name to avoid cross-project conflicts

Both projects use deploy/ directory, causing Docker Compose to share
the same project name "deploy" and volume namespace. Adding explicit
name: fireflyapi isolates volumes and containers completely.

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

deploy/docker-compose.yml

@@ -12,6 +12,8 @@
 # No Setup Wizard needed - the system auto-initializes on first run.
 # =============================================================================
 
+name: fireflyapi
+
 services:
   # ===========================================================================
   # FireflyAPI Application