feat: add manual session cleanup

src/server/sessions/sessionRoutes.ts

@@ -1,7 +1,9 @@
 import type { FastifyInstance } from "fastify";
+import type { SessionCleanupRequest } from "../../shared/apiTypes.js";
 import { normalizeRequestCwd } from "../workingDirectory.js";
 import type { SessionEventHub } from "../realtime/sessionEventHub.js";
 import type { PiSessionRef, PiSessionService } from "./piSessionService.js";
+import { normalizeSessionCleanupRequest } from "./sessionCleanup.js";
 
 type SessionLookup = string | PiSessionRef;
 
@@ -46,6 +48,22 @@ export function registerSessionRoutes(app: FastifyInstance, sessions: PiSessionS
     }
   });
 
+  app.post<{ Body: SessionCleanupRequest | undefined }>(`${prefix}/sessions/cleanup/preview`, async (request, reply) => {
+    try {
+      return await sessions.cleanupPreview(normalizeSessionCleanupRequest(optionalRecord(request.body)));
+    } catch (error) {
+      return reply.code(400).send({ error: errorMessage(error) });
+    }
+  });
+
+  app.post<{ Body: SessionCleanupRequest | undefined }>(`${prefix}/sessions/cleanup`, async (request, reply) => {
+    try {
+      return await sessions.cleanup(normalizeSessionCleanupRequest(optionalRecord(request.body)));
+    } catch (error) {
+      return reply.code(400).send({ error: errorMessage(error) });
+    }
+  });
+
   app.get<{ Params: { sessionId: string }; Querystring: MessageQuery }>(`${prefix}/sessions/:sessionId/messages`, async (request, reply) => {
     try {
       const page = { ...optionalField("before", optionalNumber(request.query.before)), ...optionalField("limit", optionalNumber(request.query.limit)) };