Boundary canary

[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8,"_9":10,"_11":12},"actionData","errors","root",{"_229":-5,"_232":233,"_234":235},"routes/shell",{"_42":43,"_228":-5,"_229":-5,"_230":231},"routes/repo",{"_33":-7,"_34":35,"_36":37,"_38":39,"_40":41,"_42":43,"_44":31,"_45":31,"_46":31,"_47":31,"_48":31,"_49":31,"_50":51,"_52":51,"_53":31,"_54":-7,"_55":-7,"_56":57,"_58":59,"_60":61,"_62":-5,"_63":64,"_65":66,"_67":68,"_69":70},"routes/repo.blob",{"_13":14,"_15":16,"_17":18,"_19":20,"_21":14,"_22":23,"_24":-5,"_25":26,"_27":28,"_28":29,"_30":31,"_32":14},"ref","1c6aec71ad21d2dfe8e520bf24ef6e7a33dad72b","path","e2e/visual-decision-boundary.e2e.ts","oid","c8f3ee949c558e1bce071bf366ed9adac7d5a6c4","size",8193,"commit","mounts",[],"source","plain",{"_13":14,"_15":16},"kind","text","import { createServer } from \"node:http\";\nimport { expect, test } from \"./room\";\nimport { card, createDecision, openWire, state } from \"./visual-decision.helpers\";\n\nimport type { AddressInfo } from \"node:net\";\n\ntest(\"actual preview responses isolate credentials/storage and block egress/navigation with recovery\", async ({ join, page, room }) => {\n\tlet hits: string[] = [];\n\tlet server = createServer((request, response) => {\n\t\thits.push(request.url ?? \"/\");\n\t\tif (request.url?.startsWith(\"/image\")) {\n\t\t\tresponse.writeHead(200, { \"content-type\": \"image/svg+xml\" });\n\t\t\tresponse.end('