restore(lang): full lang tree from ff3ef452 (306 files) — compiler, vm, shared, runner, c-abi, etc.\n\n- Restores lang/ directory (files≈306, dirs≈64) as per historical branch with selfhost sources\n- Keeps our recent parser index changes in compiler/* (merged clean by checkout)\n- Unblocks selfhost development and documentation references

lang/src/runner/gate_c/controller.hako

@@ -0,0 +1,15 @@
+// Gate‑C Controller (Phase 20.26)
+// Responsibility: Provide a thin, stable entry to route MIR(JSON v0)
+// through the Ny/Core dispatcher when a wrapper route is needed.
+
+include "lang/src/vm/core/dispatcher.hako"
+
+static box GateCController {
+  // route_json/1: String(JSON v0) -> String(last line)
+  // Contract: returns a printable string (numeric or tag). No side effects.
+  route_json(j) {
+    // Delegate to the Core dispatcher runner
+    return call("NyVmDispatcher.run/1", j)
+  }
+}
+