chore(frontend): update template to v0.6.0

frontend/.dockerignore

@@ -1,5 +1,7 @@
 node_modules
 .svelte-kit
 build
-.env
+# .env goes into the build: $env/static/public (and static/private) are
+# inlined at build time from it. It stays in the builder stage, the runtime
+# image gets build/ only. Local overrides (.env.local and the like) stay out.
 .env.*

frontend/Makefile

@@ -1,8 +1,6 @@
 COMPOSE := cd .. && docker compose
-changed = ! git diff --quiet $(1) -- $(2) 2>/dev/null
-stamp = { git update-ref $(1) HEAD 2>/dev/null || true; }
 
-.PHONY: fmt check build pre-deploy post-deploy dev
+.PHONY: fmt check build dev
 
 fmt:
 	bun run fix
@@ -14,13 +12,5 @@ check:
 build:
 	$(COMPOSE) run --rm frontend-dev sh -c "bun install && bun run build"
 
-pre-deploy:
-	@if $(call changed,refs/deploy/frontend,.) || ! test -d build; then \
-		$(MAKE) build && $(call stamp,refs/deploy/frontend); \
-	fi
-
-post-deploy:
-	@:
-
 dev:
 	bun run dev