Initial import of LogDarioSeq baseline

Establishes version control for the personal Logseq DB fork before
starting the server-client architecture migration and domain features
described in docs/agent-guide and the approved implementation plan.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

deps/db-sync/worker/mcp_request.mjs

@@ -0,0 +1,12 @@
+export function ensureMcpAcceptHeader(request) {
+  const accept = request.headers.get("accept") ?? "";
+  const normalizedAccept = accept.toLowerCase();
+  if (normalizedAccept.includes("application/json") &&
+      normalizedAccept.includes("text/event-stream")) {
+    return request;
+  }
+
+  const headers = new Headers(request.headers);
+  headers.set("accept", "application/json, text/event-stream");
+  return new Request(request, { headers });
+}