feat: add experimental session memory source

src/config/sessions/transcript.ts

@@ -6,6 +6,7 @@ import { CURRENT_SESSION_VERSION, SessionManager } from "@mariozechner/pi-coding
 import type { SessionEntry } from "./types.js";
 import { loadSessionStore, updateSessionStore } from "./store.js";
 import { resolveDefaultSessionStorePath, resolveSessionTranscriptPath } from "./paths.js";
+import { emitSessionTranscriptUpdate } from "../../sessions/transcript-events.js";
 
 function stripQuery(value: string): string {
   const noHash = value.split("#")[0] ?? value;
@@ -127,5 +128,6 @@ export async function appendAssistantMessageToSessionTranscript(params: {
     });
   }
 
+  emitSessionTranscriptUpdate(sessionFile);
   return { ok: true, sessionFile };
 }