feat(core): add command, intent, and routing primitives

src/gateway/handlers/history.ts

@@ -0,0 +1,30 @@
+import type { GatewayRequest, OutboundMessage } from '../protocol.js';
+import { makeError, makeResponse, ErrorCode } from '../protocol.js';
+import type { SessionManager } from '../../session/manager.js';
+
+export interface HistoryHandlerDeps {
+  sessionManager: SessionManager;
+}
+
+export function createHistoryHandlers(deps: HistoryHandlerDeps) {
+  return {
+    'history.search': async (request: GatewayRequest): Promise<OutboundMessage> => {
+      const params = request.params as { query?: string; sessionId?: string; limit?: number } | undefined;
+      if (!params?.query) {
+        return makeError(request.id, ErrorCode.InvalidRequest, 'query is required');
+      }
+
+      const results = deps.sessionManager.searchHistory(params.query, {
+        sessionId: params.sessionId,
+        limit: params.limit,
+      });
+
+      return makeResponse(request.id, { results });
+    },
+
+    'history.reindex': async (request: GatewayRequest): Promise<OutboundMessage> => {
+      const reindexed = deps.sessionManager.reindexHistory();
+      return makeResponse(request.id, { reindexed });
+    },
+  };
+}