[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8,"_9":10,"_11":12},"actionData","errors","root",{"_228":-5,"_231":232,"_233":234},"routes/shell",{"_40":41,"_227":-5,"_228":-5,"_229":230},"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","9e5d1eae4addee7b4da94c8ecc2fd0debef823ff","path","apps/server/src/agent/runtime.ts","oid","b7ed968566f2f707c0807eaeb72ba04d2ae5c3da","size",6735,"commit","mounts",[],"source","plain",{"_13":14,"_15":16},"kind","text","import type { CopilotClient, CopilotSession, SessionConfig } from \"@github/copilot-sdk\";\n\nexport type RuntimeClient = Pick<\n\tCopilotClient,\n\t\"createSession\" | \"deleteSession\" | \"forceStop\" | \"start\" | \"stop\"\n>;\n\nexport type RuntimeSource = {\n\tclient: RuntimeClient;\n\tcleanup: () => void;\n};\n\ntype Generation = RuntimeSource & {\n\tready: Promise;\n\topening: Set>;\n\tsessions: Map;\n\tclosing: Map>;\n\tdisposing?: Promise;\n};\n\nfunction reason(value: unknown): Error {\n\treturn value instanceof Error ? value : new Error(String(value));\n}\n\nfunction failure(message: string, errors: Error[]): Error | undefined {\n\tif (errors.length === 0) return undefined;\n\tif (errors.length === 1) return errors[0];\n\treturn new AggregateError(errors, message);\n}\n\nfunction bounded(operation: Promise, timeoutMs: number, message: string): Promise {\n\treturn new Promise((resolve, reject) => {\n\t\tlet timer = setTimeout(() => reject(new Error(message)), timeoutMs);\n\t\toperation.then(\n\t\t\tvalue => {\n\t\t\t\tclearTimeout(timer);\n\t\t\t\tresolve(value);\n\t\t\t},\n\t\t\terr => {\n\t\t\t\tclearTimeout(timer);\n\t\t\t\treject(err);\n\t\t\t},\n\t\t);\n\t});\n}\n\n/** Owns one lazily started Copilot runtime and every disposable session on it. */\nexport class Runtime {\n\t#create: () => RuntimeSource;\n\t#operationTimeoutMs: number;\n\t#generation?: Generation;\n\t#owners = new WeakMap();\n\t#known = new WeakSet();\n\t#accepting = true;\n\t#stopping?: Promise;\n\n\tconstructor(create: () => RuntimeSource, operationTimeoutMs = 10_000) {\n\t\tthis.#create = create;\n\t\tthis.#operationTimeoutMs = operationTimeoutMs;\n\t}\n\n\tasync open(config: SessionConfig): Promise {\n\t\tif (!this.#accepting) throw new Error(\"The Copilot runtime is shutting down.\");\n\t\tlet generation = this.#current();\n\t\tlet opening = (async () => {\n\t\t\tawait generation.ready;\n\t\t\tif (!this.#accepting || this.#generation !== generation) {\n\t\t\t\tthrow new Error(\"The Copilot runtime is shutting down.\");\n\t\t\t}\n\t\t\tlet session = await generation.client.createSession(config);\n\t\t\tif (!this.#accepting || this.#generation !== generation) {\n\t\t\t\tif (!generation.disposing) {\n\t\t\t\t\tlet errors = await this.#close(generation, session);\n\t\t\t\t\tlet cleanup = failure(\"The Copilot session could not be closed.\", errors);\n\t\t\t\t\tif (cleanup) throw cleanup;\n\t\t\t\t}\n\t\t\t\tthrow new Error(\"The Copilot runtime is shutting down.\");\n\t\t\t}\n\t\t\tgeneration.sessions.set(session.sessionId, session);\n\t\t\tthis.#owners.set(session, generation);\n\t\t\tthis.#known.add(session);\n\t\t\treturn session;\n\t\t})();\n\t\tgeneration.opening.add(opening);\n\t\ttry {\n\t\t\treturn await opening;\n\t\t} finally {\n\t\t\tgeneration.opening.delete(opening);\n\t\t}\n\t}\n\n\tasync discard(session: CopilotSession): Promise {\n\t\tlet generation = this.#owners.get(session);\n\t\tif (!generation) return this.#known.has(session);\n\t\tlet errors = await this.#close(generation, session);\n\t\tgeneration.sessions.delete(session.sessionId);\n\t\tgeneration.closing.delete(session.sessionId);\n\t\tthis.#owners.delete(session);\n\t\tlet error = failure(\"The Copilot session could not be closed.\", errors);\n\t\tif (error) throw error;\n\t\treturn true;\n\t}\n\n\tshutdown(): Promise {\n\t\tif (this.#stopping) return this.#stopping;\n\t\tthis.#accepting = false;\n\t\tlet generation = this.#generation;\n\t\treturn this.#stopping = (async () => {\n\t\t\tif (!generation) return;\n\t\t\tlet errors: Error[] = [];\n\t\t\ttry {\n\t\t\t\tawait bounded(\n\t\t\t\t\tPromise.allSettled(generation.opening),\n\t\t\t\t\tthis.#operationTimeoutMs,\n\t\t\t\t\t\"Copilot session opening did not stop before shutdown.\",\n\t\t\t\t);\n\t\t\t} catch (err) {\n\t\t\t\terrors.push(reason(err));\n\t\t\t}\n\t\t\terrors.push(...await this.#dispose(generation));\n\t\t\tif (this.#generation === generation) this.#generation = undefined;\n\t\t\tlet error = failure(\"The Copilot runtime could not shut down cleanly.\", errors);\n\t\t\tif (error) throw error;\n\t\t})();\n\t}\n\n\t#current(): Generation {\n\t\tif (this.#generation) return this.#generation;\n\t\tlet source = this.#create();\n\t\tlet generation = {\n\t\t\t...source,\n\t\t\tready: Promise.resolve(),\n\t\t\topening: new Set>(),\n\t\t\tsessions: new Map(),\n\t\t\tclosing: new Map>(),\n\t\t};\n\t\tthis.#generation = generation;\n\t\tgeneration.ready = Promise.resolve().then(() => generation.client.start()).catch(\n\t\t\tasync err => {\n\t\t\t\tlet errors = [reason(err), ...await this.#dispose(generation)];\n\t\t\t\tif (this.#generation === generation) this.#generation = undefined;\n\t\t\t\tthrow failure(\"The Copilot runtime could not start.\", errors)!;\n\t\t\t},\n\t\t);\n\t\treturn generation;\n\t}\n\n\t#close(generation: Generation, session: CopilotSession): Promise {\n\t\tlet existing = generation.closing.get(session.sessionId);\n\t\tif (existing) return existing;\n\t\tlet closing = (async () => {\n\t\t\tlet errors: Error[] = [];\n\t\t\ttry {\n\t\t\t\tawait bounded(\n\t\t\t\t\tPromise.resolve().then(() => session.disconnect()),\n\t\t\t\t\tthis.#operationTimeoutMs,\n\t\t\t\t\t`Copilot session ${session.sessionId} disconnect timed out.`,\n\t\t\t\t);\n\t\t\t} catch (err) {\n\t\t\t\terrors.push(reason(err));\n\t\t\t}\n\t\t\ttry {\n\t\t\t\tawait bounded(\n\t\t\t\t\tPromise.resolve().then(() => generation.client.deleteSession(session.sessionId)),\n\t\t\t\t\tthis.#operationTimeoutMs,\n\t\t\t\t\t`Copilot session ${session.sessionId} deletion timed out.`,\n\t\t\t\t);\n\t\t\t} catch (err) {\n\t\t\t\terrors.push(reason(err));\n\t\t\t}\n\t\t\treturn errors;\n\t\t})();\n\t\tgeneration.closing.set(session.sessionId, closing);\n\t\treturn closing;\n\t}\n\n\t#dispose(generation: Generation): Promise {\n\t\tif (generation.disposing) return generation.disposing;\n\t\treturn generation.disposing = (async () => {\n\t\t\tlet errors: Error[] = [];\n\t\t\tlet sessions = [...generation.sessions.values()];\n\t\t\tlet closed = await Promise.all(sessions.map(session => this.#close(generation, session)));\n\t\t\tfor (let index = 0; index < sessions.length; index++) {\n\t\t\t\tlet session = sessions[index]!;\n\t\t\t\tthis.#owners.delete(session);\n\t\t\t\terrors.push(...closed[index]!);\n\t\t\t}\n\t\t\tgeneration.sessions.clear();\n\t\t\tgeneration.closing.clear();\n\t\t\tlet force = false;\n\t\t\ttry {\n\t\t\t\tlet stopped = await bounded(\n\t\t\t\t\tPromise.resolve().then(() => generation.client.stop()),\n\t\t\t\t\tthis.#operationTimeoutMs,\n\t\t\t\t\t\"Copilot runtime stop timed out.\",\n\t\t\t\t);\n\t\t\t\terrors.push(...stopped);\n\t\t\t\tforce = stopped.length > 0;\n\t\t\t} catch (err) {\n\t\t\t\terrors.push(reason(err));\n\t\t\t\tforce = true;\n\t\t\t}\n\t\t\tif (force) {\n\t\t\t\ttry {\n\t\t\t\t\tawait bounded(\n\t\t\t\t\t\tPromise.resolve().then(() => generation.client.forceStop()),\n\t\t\t\t\t\tthis.#operationTimeoutMs,\n\t\t\t\t\t\t\"Copilot runtime force-stop timed out.\",\n\t\t\t\t\t);\n\t\t\t\t} catch (err) 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