refactor: collapse feature flags to federation+nats

crates/server/Cargo.toml

@@ -6,19 +6,18 @@ description = "Self-hosted movie diary with REST API and ActivityPub federation"
 license = "MIT"
 
 [features]
-default = ["sqlite", "sqlite-federation"]
-sqlite = ["dep:sqlite", "dep:sqlite-event-queue", "dep:sqlite-search", "infra-wiring/sqlite", "composition/sqlite"]
-nats = ["dep:nats", "infra-wiring/nats", "composition/nats"]
-# Meta-feature: true when any federation adapter is active — keeps all #[cfg(feature = "federation")] gates working
-federation = ["application/federation", "presentation/federation"]
-sqlite-federation = [
-    "sqlite",
-    "dep:sqlite-federation",
-    "dep:sqlite-social",
+default = ["federation"]
+federation = [
     "dep:activitypub",
-    "federation",
-    "composition/sqlite-federation",
+    "dep:sqlite-federation",
+    "application/federation",
+    "presentation/federation",
+    "composition/federation",
 ]
+nats = ["dep:nats", "infra-wiring/nats", "composition/nats"]
+# deprecated aliases kept so existing deploy commands keep working
+sqlite = []
+sqlite-federation = ["federation"]
 
 [dependencies]
 axum = { workspace = true }
@@ -44,15 +43,14 @@ sqlx = { workspace = true }
 infra-wiring = { workspace = true }
 async-trait = { workspace = true }
 
-# Optional — database backends
-sqlite = { workspace = true, optional = true }
-sqlite-event-queue   = { workspace = true, optional = true }
-sqlite-search        = { workspace = true, optional = true }
+sqlite = { workspace = true }
+sqlite-event-queue = { workspace = true }
+sqlite-search = { workspace = true }
+sqlite-social = { workspace = true }
 
 # Optional — federation
-activitypub       = { workspace = true, optional = true }
+activitypub = { workspace = true, optional = true }
 sqlite-federation = { workspace = true, optional = true }
-sqlite-social = { workspace = true, optional = true }
 
 [dev-dependencies]
 bytes = { workspace = true }