feat: add scoped history and artifacts

src/routes/response-input-routes.ts

@@ -11,7 +11,7 @@ const update = z.object({ delivery: z.enum(["steer", "queue"]) }).strict();
 export function registerResponseInputRoutes(router: Router, options: {
   runtime: OpencodeRuntimeAdapter; sessionMetadataStore: SessionMetadataStore; runState: ChatRunState;
 }) {
-  for (const method of ["get", "patch"] as const) {
+  for (const method of ["get", "patch", "delete"] as const) {
     router[method](method === "get" ? "/session/:session_id/inputs" : "/session/:session_id/inputs/:input_id", async (req, res) => {
       const sessionId = String(req.params.session_id);
       try {
@@ -22,6 +22,12 @@ export function registerResponseInputRoutes(router: Router, options: {
           return;
         }
         const inputId = id.parse((req.params as Record<string, string>).input_id);
+        if (method === "delete") {
+          const input = await options.runtime.cancelPendingUserInput(sessionId, inputId);
+          options.runState.activeRuns.get(sessionId)?.inputs?.observe("session.inbox.cancelled", { inboxID: inputId });
+          res.json(input);
+          return;
+        }
         const { delivery } = update.parse(req.body);
         const input = await options.runtime.updatePendingUserInput(sessionId, inputId, delivery);
         options.runState.activeRuns.get(sessionId)?.inputs?.observe("session.inbox.delivery.changed", { inboxID: inputId, delivery });