feat: ui

.agent/controllers/AGENTS.md

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+# AGENTS.md
+
+## Scope
+
+These instructions apply under `.agent/controllers/`.
+
+## What Belongs Here
+
+- checked-in controller state files
+- checked-in controller plans
+- controller goals and standards documents
+
+## Rules
+
+- Keep controller state in TOON and checked in.
+- Keep plans in TOON and goals/standards in Markdown.
+- Do not add TypeScript, JavaScript, or prompt-template assets here.
+- The Rust engine owns runtime logic; `.agent/controllers/` holds data, not controller code.