Attach Epiphany to CultNet Rust

.gitmodules

@@ -1,3 +1,6 @@
 [submodule "vendor/cultcache-rs"]
 	path = vendor/cultcache-rs
 	url = https://github.com/GameCult/cultcache-rs.git
+[submodule "vendor/cultnet-rs"]
+	path = vendor/cultnet-rs
+	url = https://github.com/GameCult/cultnet-rs.git

epiphany-core/Cargo.toml

@@ -16,6 +16,7 @@ chrono = "0.4.44"
 codex-file-search = { path = "../vendor/codex/codex-rs/file-search" }
 codex-protocol = { path = "../vendor/codex/codex-rs/protocol" }
 cultcache-rs = { path = "../vendor/cultcache-rs" }
+cultnet-rs = { path = "../vendor/cultnet-rs" }
 ignore = "0.4.23"
 reqwest = { version = "0.12", features = ["blocking", "json"] }
 serde = { version = "1", features = ["derive"] }

epiphany-core/tests/cultnet_backend.rs

@@ -0,0 +1,50 @@
+use anyhow::Result;
+use cultcache_rs::CultCache;
+use cultcache_rs::SingleFileMessagePackBackingStore;
+use cultnet_rs::CultNetDocumentBinding;
+use cultnet_rs::CultNetDocumentRegistry;
+use epiphany_core::EpiphanyAgentMemoryEntry;
+use epiphany_core::agent_memory_status;
+
+#[test]
+fn epiphany_agent_memory_can_move_over_cultnet_documents() -> Result<()> {
+    let temp = tempfile::tempdir()?;
+    let source_store = temp.path().join("source-agents.msgpack");
+    let target_store = temp.path().join("target-agents.msgpack");
+    std::fs::copy("../state/agents.msgpack", &source_store)?;
+
+    let mut source_cache = CultCache::new();
+    source_cache.register_entry_type::<EpiphanyAgentMemoryEntry>()?;
+    source_cache.add_generic_backing_store(SingleFileMessagePackBackingStore::new(&source_store));
+    source_cache.pull_all_backing_stores()?;
+
+    let mut registry = CultNetDocumentRegistry::new();
+    registry.register(
+        CultNetDocumentBinding::for_entry::<EpiphanyAgentMemoryEntry>(Some(
+            "ghostlight.agent_state.v0".to_string(),
+        )),
+    );
+    let snapshot = registry.create_snapshot_response(
+        &source_cache,
+        "epiphany-agent-memory-snapshot",
+        None,
+        None,
+    )?;
+
+    let mut target_cache = CultCache::new();
+    target_cache.register_entry_type::<EpiphanyAgentMemoryEntry>()?;
+    target_cache.add_generic_backing_store(SingleFileMessagePackBackingStore::new(&target_store));
+    target_cache.pull_all_backing_stores()?;
+    let applied = registry
+        .apply_snapshot_response::<EpiphanyAgentMemoryEntry>(&mut target_cache, &snapshot)?;
+    assert_eq!(applied.len(), 8);
+    assert!(
+        target_cache
+            .get::<EpiphanyAgentMemoryEntry>("coordinator")?
+            .is_some()
+    );
+
+    let status = agent_memory_status(&target_store)?;
+    assert_eq!(status["ok"], true);
+    Ok(())
+}

vendor/cultnet-rs

@@ -0,0 +1 @@
+Subproject commit 38e796fb04ac3374f57d0b2d30017f1f56f04fce