docs(spikes): Deno 2.9.7 + TS 7 compatibility spike and ADR-004

Co-Authored-By: Claude Fable 5.1 <[email protected]>

spikes/deno/packages/contracts/src/index.ts

@@ -0,0 +1,16 @@
+export * from "./agent";
+export * from "./api";
+export * from "./assets";
+export * from "./capabilities-io";
+export * from "./capability";
+export * from "./common";
+export * from "./content";
+export * from "./events";
+export * from "./execution";
+export * from "./identity";
+export * from "./instances";
+export * from "./ops";
+export * from "./organization";
+export * from "./policy";
+export * from "./settings";
+export * from "./sources";