chore: align sqlite control plane architecture

- replace default Convex control-plane wording with Rust SQLite control-plane across architecture, AGENTS, Reasonix, and design docs

- retire root Convex functions source and deploy script into recycle while keeping explicit cloud/compat/sync-replica boundaries

- add control-plane migration guard/docs and keep CodeGraph refreshed after the SQLite control-plane cutover

rust/crates/mnote-web/src/routes/local_folder_events.rs

@@ -20,7 +20,8 @@ use std::pin::Pin;
 use std::time::{SystemTime, UNIX_EPOCH};
 use tokio::sync::broadcast::error::RecvError;
 
-type BoxedEventStream = Pin<Box<dyn futures_util::Stream<Item = Result<SseEvent, Infallible>> + Send>>;
+type BoxedEventStream =
+    Pin<Box<dyn futures_util::Stream<Item = Result<SseEvent, Infallible>> + Send>>;
 
 #[derive(Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
@@ -138,8 +139,8 @@ async fn build_tree_live_stream(
         .map_err(|error| error.with_context(&context))?;
     let file_tree_snapshot = load_local_folder_file_tree_snapshot(&root_uri)
         .map_err(|error| error.with_context(&context))?;
-    let revision = local_folder_watch_revision(&root_uri)
-        .map_err(|error| error.with_context(&context))?;
+    let revision =
+        local_folder_watch_revision(&root_uri).map_err(|error| error.with_context(&context))?;
 
     let initial_payload = build_tree_snapshot_payload(
         &root_uri,
@@ -285,8 +286,7 @@ mod tests {
 
     fn app_with_local_workspace(root: &std::path::Path) -> axum::Router {
         let root_uri = format!("file://{}", root.display());
-        initialize_local_workspace_for_actor("dev-user", &root_uri)
-            .expect("init local workspace");
+        initialize_local_workspace_for_actor("dev-user", &root_uri).expect("init local workspace");
         build_app(AppState::new(AppConfig {
             service_name: "mnote-web".into(),
             service_version: "0.1.0".into(),