feat: sentence trainer prototype

feat: layout learner prototype

src/lib/charrecorder/core/plugins/chords.ts

@@ -85,7 +85,6 @@ export class ChordsReplayPlugin
           }
         }
       }
-      console.log(this.tokens);
 
       clearTimeout(this.timeout);
       if (replay.stepper.held.size === 0) {

src/lib/charrecorder/core/plugins/text.ts

@@ -0,0 +1,23 @@
+import type { ReplayPlayer } from "../player";
+import type { ReplayPlugin, StoreContract } from "../types";
+
+export class TextPlugin implements StoreContract<string>, ReplayPlugin {
+  private subscribers = new Set<(value: string) => void>();
+
+  register(replay: ReplayPlayer) {
+    replay.subscribe(() => {
+      if (this.subscribers.size === 0) return;
+      const text = replay.stepper.text
+        .filter((it) => it.source !== "ghost")
+        .map((it) => it.text)
+        .join("");
+      for (const subscription of this.subscribers) {
+        subscription(text);
+      }
+    });
+  }
+  subscribe(subscription: (value: string) => void) {
+    this.subscribers.add(subscription);
+    return () => this.subscribers.delete(subscription);
+  }
+}