huskies: merge 530_story_eliminate_filesystem_markdown_shadows_entirely_crdt_db_is_the_only_story_store

server/src/crdt_state.rs

@@ -221,6 +221,33 @@ pub async fn init(db_path: &Path) -> Result<(), sqlx::Error> {
     Ok(())
 }
 
+/// Initialise a minimal in-memory CRDT state for unit tests.
+///
+/// This avoids the async SQLite setup from `init()`.  Ops are accepted via a
+/// channel whose receiver is immediately dropped, so nothing is persisted.
+/// Safe to call multiple times — subsequent calls are no-ops (OnceLock).
+#[cfg(test)]
+pub fn init_for_test() {
+    if CRDT_STATE.get().is_some() {
+        return;
+    }
+    let keypair = make_keypair();
+    let crdt = BaseCrdt::<PipelineDoc>::new(&keypair);
+    let index = HashMap::new();
+    let (persist_tx, _rx) = mpsc::unbounded_channel();
+    let state = CrdtState {
+        crdt,
+        keypair,
+        index,
+        persist_tx,
+    };
+    let _ = CRDT_STATE.set(Mutex::new(state));
+    let (event_tx, _) = broadcast::channel::<CrdtEvent>(256);
+    let _ = CRDT_EVENT_TX.set(event_tx);
+    let (sync_tx, _) = broadcast::channel::<SignedOp>(1024);
+    let _ = SYNC_TX.set(sync_tx);
+    let _ = ALL_OPS.set(Mutex::new(Vec::new()));
+}
 
 /// Load or create the Ed25519 keypair used by this node.
 async fn load_or_create_keypair(pool: &SqlitePool) -> Result<Ed25519KeyPair, sqlx::Error> {