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| @@ -66,9 +66,6 @@ import { · 65 unmodified lines | ||
| 66 | 66 | type DrizzleDb, |
| 67 | 67 | type DbServiceShape, |
| 68 | 68 | } from "../db/db"; |
| 69 | −import { makeExecutionStack } from "../engine/execution-stack"; | |
| 70 | −import { preloadQuickJs } from "../quickjs"; | |
| 71 | −import { CloudMeteredExecutionStackLayer } from "../engine/execution-stack-metered"; | |
| 72 | 69 | import { AutumnService } from "../extensions/billing/service"; |
| 73 | 70 | import { DoTelemetryLive, flushTracerProvider } from "../observability/telemetry"; |
| 74 | 71 | import { |
| @@ -242,6 +239,31 @@ export class McpSessionDOSqlite extends McpAgentSessionDOBase<Env, CloudSessionD · 167 unmodified lines | ||
| 242 | 239 | ): Effect.Effect<BuiltMcpServer> { |
| 243 | 240 | const self = this; |
| 244 | 241 | return Effect.gen(function* () { |
| 242 | + // Imported here rather than at module scope. Cloudflare requires a | |
| 243 | + // Durable Object class to be exported from the Worker entry, so every | |
| 244 | + // static import this module makes is evaluated by *every* cold isolate — | |
| 245 | + // including the ones that only render a page or forward a passthrough | |
| 246 | + // proxy and never open an MCP session. These three roots pull the whole | |
| 247 | + // code-execution stack (sucrase, ajv, QuickJS-WASM): measured at 1.9 MB | |
| 248 | + // of the Worker's startup closure, for code only a real session runs. | |
| 249 | + // `apps/cloud/scripts/start-closure.mjs` reports that number and will | |
| 250 | + // show it moving back if these become static again. | |
| 251 | + const [{ preloadQuickJs }, { makeExecutionStack }, { CloudMeteredExecutionStackLayer }] = | |
| 252 | + yield* Effect.promise( | |
| 253 | + () => | |
| 254 | + Promise.all([ | |
| 255 | + import("../quickjs"), | |
| 256 | + import("../engine/execution-stack"), | |
| 257 | + import("../engine/execution-stack-metered"), | |
| 258 | + ]) as Promise< | |
| 259 | + [ | |
| 260 | + typeof import("../quickjs"), | |
| 261 | + typeof import("../engine/execution-stack"), | |
| 262 | + typeof import("../engine/execution-stack-metered"), | |
| 263 | + ] | |
| 264 | + >, | |
| 265 | + ); | |
| 266 | + | |
| 245 | 267 | // QuickJS-WASM must be loaded before anything asks for a sandbox: the |
| 246 | 268 | // default variant cannot fetch its own `.wasm` on Workers. Cloud runs |
| 247 | 269 | // user `execute` code on the dynamic-worker runtime, but the artifact |