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server/app.py

@@ -13,12 +13,12 @@ over HTTP and WebSocket endpoints, compatible with EnvClient.
 Endpoints:
     - Custom UI:  GET /web, GET /web/benchmark (served from server/web)
     - Benchmark: GET /api/benchmark/models, POST /api/benchmark/run
-    - OpenEnv API/UI (default): mounted under /openenv
-        - POST /openenv/reset
-        - POST /openenv/step
-        - GET  /openenv/state
-        - GET  /openenv/schema
-        - WS   /openenv/ws
+    - OpenEnv HTTP/WS API: same app mounted at / and /openenv (explicit routes win first)
+        - POST /reset, /openenv/reset
+        - POST /step, /openenv/step
+        - GET  /state, /openenv/state
+        - GET  /schema, /openenv/schema
+        - WS   /ws, /openenv/ws
 
 Usage:
     # Development (with auto-reload):
@@ -321,6 +321,10 @@ def llm_complete(req: LLMCompleteRequest) -> dict[str, Any]:
     return {"content": text, "model": model}
 
 
+# Stock OpenEnv paths (/reset, /state, /step, …) — registered after /, /web, /api/* so those win.
+app.mount("/", openenv_app)
+
+
 def main(host: str = "0.0.0.0", port: int = 8000):
     """
     Entry point for direct execution via uv run or python -m.

server/web/index.html

@@ -56,6 +56,32 @@
         background: rgba(15, 23, 42, 0.04);
         border-radius: 999px;
       }
+      /* Dense stops + wide tile so indigo → fuchsia → sky blends without visible bands */
+      .btn-step-gradient {
+        background-color: #4f46e5;
+        background-image: linear-gradient(
+          93deg,
+          #4338ca 0%,
+          #4537c9 6%,
+          #4f46e5 14%,
+          #5b4ae8 22%,
+          #6d28d9 30%,
+          #7c3aed 38%,
+          #9333ea 44%,
+          #a855f7 50%,
+          #c026d3 56%,
+          #b84fd8 60%,
+          #9d4edd 64%,
+          #7c3aed 70%,
+          #6366f1 76%,
+          #4f7df0 82%,
+          #3b82f6 88%,
+          #0ea5e9 94%,
+          #0284c7 100%
+        );
+        background-size: 210% 100%;
+        background-position: 0% 50%;
+      }
     </style>
   </head>
 
@@ -392,7 +418,7 @@
                 </button>
                 <button
                   id="btn-step"
-                  class="inline-flex items-center justify-center gap-2 rounded-2xl bg-gradient-to-r from-indigo-600 via-fuchsia-600 to-sky-600 px-5 py-3 text-sm font-semibold text-white shadow-glow transition hover:brightness-110 disabled:opacity-60"
+                  class="btn-step-gradient inline-flex items-center justify-center gap-2 rounded-2xl px-5 py-3 text-sm font-semibold text-white shadow-glow transition hover:brightness-110 disabled:opacity-60"
                 >
                   <span id="step-spinner" class="hidden h-4 w-4 animate-spin rounded-full border-2 border-white/50 border-t-white"></span>
                   <span id="step-label">Take Step</span>