Add sync control plane API

config/config.exs

@@ -9,6 +9,9 @@ config :parrhesia,
     path: nil,
     private_key: nil
   ],
+  sync: [
+    path: nil
+  ],
   limits: [
     max_frame_bytes: 1_048_576,
     max_event_bytes: 262_144,

config/runtime.exs

@@ -455,6 +455,9 @@ if config_env() == :prod do
       path: string_env.("PARRHESIA_IDENTITY_PATH", nil),
       private_key: string_env.("PARRHESIA_IDENTITY_PRIVATE_KEY", nil)
     ],
+    sync: [
+      path: string_env.("PARRHESIA_SYNC_PATH", nil)
+    ],
     moderation_cache_enabled:
       bool_env.("PARRHESIA_MODERATION_CACHE_ENABLED", moderation_cache_enabled_default),
     enable_expiration_worker:

config/test.exs

@@ -19,6 +19,9 @@ config :parrhesia,
     path: Path.join(System.tmp_dir!(), "parrhesia_test_identity.json"),
     private_key: nil
   ],
+  sync: [
+    path: Path.join(System.tmp_dir!(), "parrhesia_test_sync.json")
+  ],
   features: [verify_event_signatures: false]
 
 pg_host = System.get_env("PGHOST")