[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8,"_9":10,"_11":12},"actionData","errors","root",{"_271":-5,"_274":275,"_276":277},"routes/shell",{"_40":41,"_270":-5,"_271":-5,"_272":273},"routes/repo",{"_33":-7,"_34":35,"_36":37,"_38":39,"_40":41,"_42":31,"_43":31,"_44":31,"_45":31,"_46":31,"_47":31,"_48":49,"_50":49,"_51":31,"_52":-7,"_53":-7,"_54":55,"_56":57,"_58":59,"_60":-5,"_61":62,"_63":64,"_65":66,"_67":68},"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","2e24cd12e626a7f14aac9880ab3b8ec90e400a4e","path","services/channel/src/object.ts","oid","1c1c81e3c4c5399051dc9068fe6691780f02115a","size",7233,"commit","mounts",[],"source","plain",{"_13":14,"_15":16},"kind","text","import { DurableObject } from \"cloudflare:workers\";\nimport { SqliteStorage } from \"@earendil-works/pi-durable/storage/sqlite\";\nimport { builtinModels } from \"@earendil-works/pi-ai/providers/all\";\n\nimport { Channel, type Envelope, type Frame, type Log, type ModelRef } from \"@ace/channel\";\nimport { type Call, Link, type Reply, type WorkspaceMessage } from \"@ace/channel/workspace\";\n\nimport { DurableSqlite } from \"./storage\";\n\nexport type Env = {\n\tCHANNEL: DurableObjectNamespace;\n\t/** Bearer secret shared by the team's hosts. */\n\tACE_SECRET?: string;\n};\n\n/** Paths are on the workspace host, whose file namespace is `workspace`. */\nexport type Config = {\n\tversion: 2;\n\tid: string;\n\tname: string;\n\tprefix: string;\n\tnamed: boolean;\n\towner: string;\n\tproject: string;\n\tlanes: string;\n\tmodel?: ModelRef;\n\tworkspace: string;\n};\n\nconst KEEPALIVE = 30_000;\n\n/** Workers Logs indexes JSON fields, so lines search by the same ids as hosts' log files. */\nconst log: Log = (level, event, fields) => {\n\tconst line = { level, event, ...fields };\n\tif (level === \"error\") console.error(line);\n\telse if (level === \"warn\") console.warn(line);\n\telse console.log(line);\n};\n\n/**\n * One hosted channel. Its history and agents live here; its tools run on the workspace host that\n * holds the `workspace` socket. That socket hibernates, so an idle channel costs nothing while the\n * host stays connected. Client sockets stream live pi events and keep the object awake.\n */\nexport class HostedChannel extends DurableObject {\n\t#link = new Link(crypto.randomUUID());\n\t#channel?: Promise;\n\n\t#config(): Config | undefined {\n\t\tconst config = this.ctx.storage.kv.get<\n\t\t\tOmit & Partial> & {\n\t\t\t\tversion?: number;\n\t\t\t}\n\t\t>(\n\t\t\t\"config\",\n\t\t);\n\t\tif (!config) return;\n\t\tif (config.version !== undefined && config.version !== 1 && config.version !== 2) {\n\t\t\tthrow new Error(`Unsupported channel config version ${config.version}`);\n\t\t}\n\t\tif (config.version === 2) return config as Config;\n\t\treturn { ...config, version: 2, prefix: config.name, named: true };\n\t}\n\n\t#project(message: WorkspaceMessage) {\n\t\tconst frame = JSON.stringify(message);\n\t\tfor (const socket of this.ctx.getWebSockets(\"workspace\")) {\n\t\t\tif (socket.readyState === WebSocket.OPEN) socket.send(frame);\n\t\t}\n\t}\n\n\t#attach(socket: WebSocket) {\n\t\tthis.#link.attach((call: Call) => socket.send(JSON.stringify(call)));\n\t}\n\n\t#open(config: Config): Promise {\n\t\tthis.#channel ??= (async () => {\n\t\t\tconst [socket] = this.ctx.getWebSockets(\"workspace\");\n\t\t\tif (socket && !this.#link.attached) this.#attach(socket);\n\t\t\tconst env = this.env as unknown as Record;\n\t\t\tconst envs = new Map>();\n\t\t\treturn Channel.open({\n\t\t\t\t...config,\n\t\t\t\tonMetadata: (metadata) => this.#project({ metadata }),\n\t\t\t\tonActivity: (active) => this.#project({ active }),\n\t\t\t\tonBusy: (busy) => this.#project({ busy }),\n\t\t\t\tstorage: await SqliteStorage.open(new DurableSqlite(this.ctx.storage)),\n\t\t\t\tmodels: builtinModels({\n\t\t\t\t\tauthContext: {\n\t\t\t\t\t\tenv: async (name) => typeof env[name] === \"string\" ? env[name] : undefined,\n\t\t\t\t\t\tfileExists: async () => false,\n\t\t\t\t\t},\n\t\t\t\t}),\n\t\t\t\tdesktop: (request, context) => this.#link.desktop(request, context),\n\t\t\t\tbrowser: (request, context) => this.#link.browser(request, context),\n\t\t\t\tenv: (cwd) => {\n\t\t\t\t\tlet found = envs.get(cwd);\n\t\t\t\t\tif (!found) envs.set(cwd, found = this.#link.env(config.workspace, cwd));\n\t\t\t\t\treturn found;\n\t\t\t\t},\n\t\t\t\tdirectory: {\n\t\t\t\t\tself: { id: config.id, name: config.prefix },\n\t\t\t\t\tlist: async () => [],\n\t\t\t\t\tdeliver: async () => {\n\t\t\t\t\t\tthrow new Error(\"Hosted channels cannot message other channels yet\");\n\t\t\t\t\t},\n\t\t\t\t},\n\t\t\t\tlog,\n\t\t\t});\n\t\t})();\n\t\treturn this.#channel;\n\t}\n\n\t/** Pi resumes interrupted work when it opens, so an alarm during a run brings an evicted object back. */\n\tasync #keepalive() {\n\t\tif (!(await this.ctx.storage.getAlarm())) {\n\t\t\tawait this.ctx.storage.setAlarm(Date.now() + KEEPALIVE);\n\t\t}\n\t}\n\n\toverride async alarm() {\n\t\tconst config = this.#config();\n\t\tif (!config) return;\n\t\tconst channel = await this.#open(config);\n\t\tif (!(await channel.isIdle())) await this.#keepalive();\n\t}\n\n\toverride async fetch(request: Request): Promise {\n\t\tconst url = new URL(request.url);\n\t\tconst workspace = url.pathname.endsWith(\"/workspace\");\n\t\tif (request.method === \"POST\") {\n\t\t\tif (!this.#config()) this.ctx.storage.kv.put(\"config\", await request.json());\n\t\t\treturn Response.json(await (await this.#open(this.#config()!)).info());\n\t\t}\n\t\tconst config = this.#config();\n\t\tif (!config) return new Response(\"No such channel\", { status: 404 });\n\t\tif (request.method === \"DELETE\") {\n\t\t\tconst channel = await this.#open(config);\n\t\t\tawait channel.kill();\n\t\t\tawait channel.close();\n\t\t\tthis.#channel = undefined;\n\t\t\tfor (const socket of this.ctx.getWebSockets()) socket.close(1000, \"deleted\");\n\t\t\tawait this.ctx.storage.deleteAll();\n\t\t\treturn new Response(null, { status: 204 });\n\t\t}\n\t\tif (request.headers.get(\"upgrade\") !== \"websocket\") {\n\t\t\treturn Response.json(await (await this.#open(config)).info());\n\t\t}\n\t\tconst { 0: client, 1: server } = new WebSocketPair();\n\t\tif (workspace) {\n\t\t\tfor (const old of this.ctx.getWebSockets(\"workspace\")) old.close(1000, \"replaced\");\n\t\t\tlog(\"info\", \"workspace.connect\", { channel: config.id, workspace: config.workspace });\n\t\t\tthis.ctx.acceptWebSocket(server, [\"workspace\"]);\n\t\t\tthis.#attach(server);\n\t\t\tconst channel = await this.#open(config);\n\t\t\tconst { name, summary, revision } = await channel.info();\n\t\t\tthis.#project({ metadata: { name, summary, revision } });\n\t\t\t// Reconnects need current state even if no run transition occurred while disconnected.\n\t\t\tthis.#project({ busy: channel.busy });\n\t\t} else {\n\t\t\tserver.accept();\n\t\t\tthis.#serve(server, await this.#open(config));\n\t\t}\n\t\treturn new Response(null, { status: 101, webSocket: client });\n\t}\n\n\toverride async webSocketMessage(socket: WebSocket, message: string | ArrayBuffer) {\n\t\tif (!this.#link.attached) this.#attach(socket);\n\t\tthis.#link.receive(JSON.parse(message as string) as Reply);\n\t}\n\n\toverride async webSocketClose(socket: WebSocket, code: number, reason: string) {\n\t\tlog(\"warn\", \"workspace.drop\", { channel: this.#config()?.id, code, reason });\n\t\tif (this.ctx.getWebSockets(\"workspace\").every((open) => open === socket)) this.#link.detach();\n\t}\n\n\t#serve(socket: WebSocket, channel: Channel) {\n\t\tconst watches: { stop(): Promise }[] = [];\n\t\tconst send = (frame: Frame) => socket.send(JSON.stringify(frame));\n\t\tsocket.addEventListener(\"close\", () => {\n\t\t\tfor (const watch of watches) watch.stop();\n\t\t});\n\t\tsocket.addEventListener(\"message\", async ({ data }) => {\n\t\t\tconst { id, trace, ...body } = JSON.parse(data as string) as Envelope;\n\t\t\ttry {\n\t\t\t\tconst value = await channel.handle(body, (event) => send({ id, event }), trace);\n\t\t\t\tif (body.op === \"watch\") watches.push(value as { stop(): Promise });\n\t\t\t\tif (body.op === \"ask\") await this.#keepalive();\n\t\t\t\tsend({ id, ok: true, value: body.op === \"watch\" ? null : value ?? null });\n\t\t\t} catch (error) {\n\t\t\t\tsend({ id, ok: false, error: error instanceof Error ? error.message : String(error) 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