feat: only run all seeds on first startup

priv/repo/seeds.exs

@@ -3,7 +3,8 @@
 #     mix run priv/repo/seeds.exs
 #
 # Bootstrap runs in all environments. Dev seeds (members, groups, sample data)
-# run only in dev and test.
+# run only in dev and test. Skips entirely if bootstrap was already applied
+# (Admin role exists), so safe to run on every start.
 #
 # In production (release): seeds are run via Mv.Release.run_seeds/0 from the
 # container entrypoint. Set RUN_DEV_SEEDS=true to also run dev seeds there.
@@ -12,19 +13,25 @@
 # so that eval_file of bootstrap/dev does not emit "redefining module" warnings;
 # it is always restored in `after` to avoid hiding real conflicts elsewhere.
 
-prev = Code.compiler_options()
-Code.compiler_options(ignore_module_conflict: true)
+_ = Application.ensure_all_started(:mv)
 
-try do
-  # Always run bootstrap (fee types, custom fields, roles, admin, system user, settings)
-  Code.eval_file("priv/repo/seeds_bootstrap.exs")
+if Mv.Release.bootstrap_seeds_applied?() do
+  IO.puts("Seeds already applied (admin user exists). Skipping.")
+else
+  prev = Code.compiler_options()
+  Code.compiler_options(ignore_module_conflict: true)
 
-  # In dev and test only: run dev seeds (20 members, groups, custom field values)
-  if Mix.env() in [:dev, :test] do
-    Code.eval_file("priv/repo/seeds_dev.exs")
+  try do
+    # Always run bootstrap (fee types, custom fields, roles, admin, system user, settings)
+    Code.eval_file("priv/repo/seeds_bootstrap.exs")
+
+    # In dev and test only: run dev seeds (20 members, groups, custom field values)
+    if Mix.env() in [:dev, :test] do
+      Code.eval_file("priv/repo/seeds_dev.exs")
+    end
+
+    IO.puts("✅ All seeds completed.")
+  after
+    Code.compiler_options(prev)
   end
-
-  IO.puts("✅ All seeds completed.")
-after
-  Code.compiler_options(prev)
 end