Centralize world and viewport game loops

crates/metacrate-grid-agent/tests/dependency_policy.rs

@@ -2,7 +2,7 @@ use std::collections::BTreeSet;
 use std::fs;
 use std::path::{Path, PathBuf};
 
-const ALLOWED_DEPENDENCIES: [&str; 21] = [
+const ALLOWED_DEPENDENCIES: [&str; 22] = [
     "async-trait",
     "base64",
     "crossterm",
@@ -10,6 +10,7 @@ const ALLOWED_DEPENDENCIES: [&str; 21] = [
     "libremetaverse",
     "libremetaverse-imaging",
     "libremetaverse-rendering-simple",
+    "metacrate-game-loop",
     "metacrate-lsl-tools",
     "metacrate-rendering-wgpu",
     "mentra",
@@ -170,8 +171,6 @@ fn live_session_adapter_reuses_native_lifecycle_and_messaging_managers() {
         ".subscribe_im(",
         ".chat(",
         ".instant_message_with_uuid_string(",
-        ".objects_avatars",
-        ".objects_primitives",
         ".parcels",
         ".environment()",
         ".inventory()",
@@ -183,6 +182,15 @@ fn live_session_adapter_reuses_native_lifecycle_and_messaging_managers() {
             "missing native lifecycle {required}"
         );
     }
+    let world = fs::read_to_string(root.join("../metacrate-grid-world/src/lib.rs"))
+        .expect("central world source");
+    for required in [".objects_avatars", ".objects_primitives", ".terrain"] {
+        assert!(
+            world.contains(required),
+            "missing centralized native world cache {required}"
+        );
+    }
+    assert!(backend.contains("metacrate_game_loop::WorldReader"));
     assert!(!backend.contains("reqwest"));
 }