feat: vendor midstream and sublinear-time-solver libraries

Add ruvnet/midstream (AIMDS real-time inference) and
ruvnet/sublinear-time-solver (sublinear optimization algorithms)
as vendored dependencies under vendor/.

Co-Authored-By: claude-flow <ruv@ruv.net>

vendor/midstream/lean-agentic-js/src/index.ts

@@ -0,0 +1,15 @@
+/**
+ * Lean Agentic Learning System - TypeScript/JavaScript Client
+ *
+ * A revolutionary learning framework combining:
+ * - Formal reasoning (Lean-style theorem proving)
+ * - Agentic AI (autonomous decision-making)
+ * - Stream learning (real-time online adaptation)
+ * - Knowledge evolution (dynamic theorem store)
+ */
+
+export * from './types';
+export * from './client';
+export * from './agent';
+export * from './knowledge';
+export * from './stream';