Import canonical Phast manifest

phast.json

@@ -0,0 +1,11 @@
+{
+  "schema_version": 1,
+  "kind": "phast.app",
+  "slug": "my-phast",
+  "name": "My Phast",
+  "runtime": "python",
+  "base_url": "https://my.phast.app",
+  "human": {"route": "/"},
+  "mcp": {"route": "/mcp"},
+  "prephab": {"version": 1}
+}