feat: thin root bundle including foundation

bundle/bundle.md

@@ -0,0 +1,22 @@
+---
+bundle:
+  name: research-workbench
+  version: 0.1.0
+  description: General-purpose AI research tool with browser control and artifact generation
+
+includes:
+  - bundle: git+https://github.com/microsoft/amplifier-foundation@main
+  - bundle: research-workbench:behaviors/research-workbench
+---
+
+# Research Workbench
+
+A research-first Amplifier bundle. Provides a researcher agent with browser control (via playwright-cli), artifact generation, and A2UI inline controls.
+
+## What's Included
+
+**From foundation:** tool-bash, tool-filesystem, tool-web-fetch, and all standard hooks.
+
+**From this bundle:**
+- `researcher` agent — browser-equipped research assistant
+- Research workbench behavior — wires the researcher agent with context