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feat(research): render thin pages with the isolated browser #453

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Merged
lukemaj merged 8 commits into from
Oct 18, 2026
Merged

feat(research): render thin pages with the isolated browser #453

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738ebee
feat(research): render thin pages with the isolated browser
lukemaj Oct 18, 2026
7e9feda
test(research): share render fixture service lifetimes
lukemaj Oct 18, 2026
2c3d5b7
fix(research): keep rendered redirects inside the core policy
lukemaj Oct 18, 2026
3aec0d7
fix(research): preserve transient queue refusals while rendering
lukemaj Oct 18, 2026
f73a42f
fix(research): compose rendering with same-origin subpages
lukemaj Oct 18, 2026
333743a
test(research): use the Effect clock for alias freshness proof
lukemaj Oct 18, 2026
b93c5fe
docs(research): link the render PR from the feature registry
lukemaj Oct 18, 2026
19a987a
fix(research): cache main pages after refused child frames
lukemaj Oct 18, 2026
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7 changes: 6 additions & 1 deletion apps/server/src/mcp/McpHttpServer.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -71,6 +71,7 @@ import { WebResearchToolkit } from "./toolkits/webResearch/tools.ts";
import * as WebResearch from "../webResearch/WebResearch.ts";
import * as PageCache from "../webResearch/PageCache.ts";
import * as PublicHttp from "../webResearch/PublicHttp.ts";
import * as PublicRender from "../webResearch/PublicRender.ts";

const mcpResourceMetadataUrl = (request: HttpServerRequest.HttpServerRequest) =>
HttpServerRequest.toURL(request).pipe(
Expand Down Expand Up @@ -828,7 +829,11 @@ export const layerWebResearchToolkit = toolkitRegistration(

const layerWebResearch = layerWebResearchToolkit.pipe(
Layer.provide(
WebResearch.layer.pipe(Layer.provide(PageCache.layer), Layer.provide(PublicHttp.layer)),
WebResearch.layer.pipe(
Layer.provide(PageCache.layer),
Layer.provide(PublicHttp.layer),
Layer.provide(PublicRender.layer),
),
),
);

Expand Down
6 changes: 6 additions & 0 deletions apps/server/src/mcp/WebResearch.integration.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@ import * as Replay from "../orchestration-v2/testkit/ProviderReplayHarness.ts";
import * as WebResearch from "../webResearch/WebResearch.ts";
import * as PageCache from "../webResearch/PageCache.ts";
import * as PublicHttp from "../webResearch/PublicHttp.ts";
import * as PublicRender from "../webResearch/PublicRender.ts";
import { type CachedPage, WebReadResult } from "../webResearch/schemas.ts";
import * as McpHttpServer from "./McpHttpServer.ts";
import * as Invocation from "./McpInvocationContext.ts";
Expand Down Expand Up @@ -74,6 +75,11 @@ const fixture = Effect.fnUntraced(function* (
);
const reader = WebResearch.layer.pipe(
Layer.provide(cacheLayer),
Layer.provide(
Layer.succeed(PublicRender.PublicRender, {
render: () => Effect.die("Usable HTTP pages must not render."),
}),
),
Layer.provide(
Layer.succeed(PublicHttp.PublicHttp, {
get: (url) =>
Expand Down
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