feat(core): P3 first cut — patch bodies off the wire; the flood dies at the source (#1814)

packages/app-bundle/manifest.json

@@ -247,6 +247,7 @@
     "packages/app/src/i18n/uk.ts": "c1f2fb529563fa211e3e322aca0d9417a34909fd056ae80b65c3861b0d6caee4",
     "packages/app/src/i18n/zh.ts": "50755c05ef47e910c3de7c1471f66b7cd21cea93c005480636ec085a11d5e09b",
     "packages/app/src/i18n/zht.ts": "c65962a29d6d772d1333ce85a7b3a6f8f3246fbef634ec148cc6531253bbeae9",
+    "packages/app/src/pages/directory-layout.tsx": "e580e6197408358ddd44eaa76cddd0828e87db255a9068971998f787851369d6",
     "packages/app/src/pages/empty-workspace-landing.tsx": "ac9410f5b223b30e2d82a6d222992fed2226b6afc1213ff0c8305a230cda7cb2",
     "packages/app/src/pages/error.tsx": "db9ba0847cfb205100ad6133cce30c6ea2ce983802af44947e6d2b746c2a6ec5",
     "packages/app/src/pages/hold-debug-badge-gate.test.ts": "661f59e172a5b074a6807896f46c18338faa59b6d9c0912fd824df2dae4a5730",
@@ -279,6 +280,8 @@
     "packages/app/src/utils/amicode-workspace-projects.test.ts": "8b5c32172e2039b3d9c52f2257023263fc846132e7c185e4a63ae014bc2e2bfb",
     "packages/app/src/utils/amicode-workspace-projects.ts": "cbe091c463177375c93cb43676c202bd7bf06baf36fdec779f7d641558ff6bee",
     "packages/app/src/utils/chrome-dropdown.ts": "f8b878c5df4e1afd96b0751c73daaad0a8127411030724cb8f9a5089ebb29eac",
+    "packages/app/src/utils/diffs.test.ts": "38a5b5dbe23014660204fe08e30599dad16c93665eeaf555284915d0de83a569",
+    "packages/app/src/utils/diffs.ts": "313ec1085e24b5b8d2844cf42ea2caa93cda46081a6aa5691de5bce8a6686744",
     "packages/app/src/utils/global-clipboard.test.ts": "18ac0ea486d36eed00597f2718f03bffce70a6e6a8f77c79aefe0795790d8771",
     "packages/app/src/utils/global-clipboard.ts": "b26373289d7402c88e8038575703b11fa5e4ef5a7f50ee05bceb45488022ab26",
     "packages/app/src/utils/pane-bridge.ts": "a8a8a40dc60a367086f3c4e4c561a289fb85d8b2086a8d62c2b66102de652ce4",
@@ -338,7 +341,7 @@
     "packages/llm/src/protocols/bedrock-converse.ts": "834a415fa8ddf9ad1224133f8352d0a926694f19f0954201d182111c171ec03b",
     "packages/llm/test/provider/bedrock-converse.test.ts": "e8e14d60e8502e928f170f8ac5b406c44bf16d2dd34996ddc2fb7b9261decf85",
     "packages/opencode/src/agent/agent.ts": "512372a4c62997e9565266638ada19b9dc0a3685b0c0483fd28fede2abdb5c9b",
-    "packages/opencode/src/bus/global-replay.ts": "d4d64e027ab136655db088419b33e3ae524c1d3d8f892b5bb8697050ddc03d33",
+    "packages/opencode/src/bus/global-replay.ts": "db06eec6d70b7f81cff41b11172222320e93a411577e94039aef99f4ff473a04",
     "packages/opencode/src/bus/global.ts": "65b3b380936fc34b2c5ef9f3ab419a6c8e6d4cfc696302a266188f26ccdc320a",
     "packages/opencode/src/control-plane/workspace.ts": "ab986282d1bd15b7f4473e33766884e17c97684ef0778cd8d84fd173604175cc",
     "packages/opencode/src/effect/runner.ts": "b660b5b22df810b16293c23c6d832e5e8dcfb12b9a8a858c875d2c051c855b81",
@@ -423,10 +426,11 @@
     "packages/opencode/test/server/httpapi-compression.test.ts": "5f7603d7018e0b95f1c2f36c01dd297c01770bfcdd91ce29778e03b7d6143f75",
     "packages/opencode/test/server/httpapi-event-replay.test.ts": "c94c13dbfb4ca5d5e9b80f4c1a17955d1530a8bf9141b9a83a810ee56743269f",
     "packages/opencode/test/server/httpapi-event-sequencing.test.ts": "a2ec57f999b26b8ac9e4dfd6208c8028264cb0b267f4e6383429df62738967fa",
+    "packages/opencode/test/server/httpapi-event-summary-strip.test.ts": "bfb13fbacdb2764cdd11ab0e110c93e635ef68f70500b19333350e4805a9164a",
     "packages/opencode/test/server/httpapi-event.test.ts": "274619e3489c253b1693f4f0d42309f767fcce2074a0da406f8f9cfd27afb042",
     "packages/opencode/test/server/httpapi-file-write-gate.test.ts": "0c91b7417e615850edfde3f2878207dab6b6624d4cfbb6e6783b2e6d9aa4dff0",
     "packages/opencode/test/server/httpapi-file.test.ts": "d3386129bc81467ecbcc57a3861f53767ee56ac41b4ff6ad58d8b168fb3b3373",
-    "packages/opencode/test/server/httpapi-global-event.test.ts": "6359f12508e6a34bfd9e0abe72b03113f933e1c83b9c55aae2a84c4bc5222bad",
+    "packages/opencode/test/server/httpapi-global-event.test.ts": "444382b549bc70b8ccd7881a893eb4c68335a8d3e44b84b78b1cc4b48fc5d921",
     "packages/opencode/test/server/httpapi-instance-route-auth.test.ts": "4b73a89d2431c02bc3b665d93f9002914e51eb1add979dc1867efbcbc0c36e25",
     "packages/opencode/test/server/httpapi-provider.test.ts": "9e8b3e085b478e3f99b689ffff600e10c0b4b50b3cabdbd749f88dae19bf5904",
     "packages/opencode/test/server/httpapi-session.test.ts": "eda6fd763ac4c17891cedaa4ccd49597c03e7227fcfdcf0f94a1b4545ba623ed",
@@ -437,6 +441,7 @@
     "packages/opencode/test/server/session-diff-missing-patch.test.ts": "70526ca7fb86741843fd167f8f2f9c6f6d7e5e415a20a5448d17d24229bdd65b",
     "packages/opencode/test/server/session-diff-scoped.test.ts": "20ef80b92ad872573b371540575f028be8f1ad3c9f34d72f814b621e14e7a59e",
     "packages/opencode/test/server/sse-tick-telemetry.test.ts": "95738379df27d2da236f968a3d197cf27bcce17e8ec8ce1d288d4d2c1184d8ee",
+    "packages/opencode/test/server/summary-diff-wire.test.ts": "080236ce0a7985195a8f385ae65311d63dc18826439a9729c7c87ce4f55efd55",
     "packages/opencode/test/server/tcp-keepalive.test.ts": "e5c26de10fe44fd6485e0f75f667b2662f69896135f014b0b86772a6ca48fff5",
     "packages/opencode/test/server/workspace-routing.test.ts": "2574731ac379c540f450edc15f8750ac5360e8c33b4a0dad7c61e8eb686137bb",
     "packages/opencode/test/session/adversarial-e2e.test.ts": "1b471a69223d040c5d5f4f2ee99c2daa6df56bdf11679b65d902c15bedac3e80",
@@ -496,11 +501,14 @@
     "packages/session-ui/src/components/session-review.css": "ec8c5b359dd4b7ff80d7fad8906359678adade9ce62c9d74aedc000b646db341",
     "packages/session-ui/src/components/session-review.tsx": "d2015c9f7419279f08e84523439a0b73e83bd5d06587ad56b85ea53b66ecaee4",
     "packages/session-ui/src/components/session-turn.css": "792915f3373134eadf3cd51e1d4bfa88ec347e6b037b6caf60b639ec5e74fbd8",
-    "packages/session-ui/src/components/session-turn.tsx": "9cbc0d7a35f42e32dad53ace7b3c7d92623fa2d3108edb49e0b7bc868f5c1966",
+    "packages/session-ui/src/components/session-turn.tsx": "42f247b0434a9f52d88d9fb96adff59afe6edeab84dd912b62eb153253b6696f",
+    "packages/session-ui/src/components/summary-patch.test.ts": "84f2b5e5671b991130ce221ed605b214511491c883c683c9099173a4890e5d96",
+    "packages/session-ui/src/components/summary-patch.ts": "ab086ea1bc741e15b94f6e9aedc4d934cac17597f4aa1392b146994020006170",
     "packages/session-ui/src/components/tool-count-label.test.ts": "c62bbe2c662f6740794d25bd7c33fb3b9b46394a1b41d01d6568a8a2ee2b4e75",
     "packages/session-ui/src/components/tool-count-label.tsx": "06c96479710314d443d42d4c29a29b46d58a55ee84a844a5b6865b49a0513340",
     "packages/session-ui/src/components/tool-error-card.tsx": "e27b89836b7c709120ac15fbffd2200038944058ea3506e61e5897ffb3537503",
     "packages/session-ui/src/components/tool-status-title.tsx": "ae4561b58f55985d2294a352802e723b18943ac9a6551d97f1c4a6cc95368c8a",
+    "packages/session-ui/src/context/data.tsx": "7b840b5bf6929445d21da2cbd8e8006316c6950a09d559ea77e8c397e728cd99",
     "packages/session-ui/src/pierre/worker.ts": "7f210f931777956567eaeea15f2f5478befc7874a64a4b685504c59c66503fee",
     "packages/session-ui/src/util/clipboard.ts": "c37ba53914714ed04135e5a254e8ea90186f097d7470fa0873a83de82f3fef2d",
     "packages/ui/src/amicode/amico-presence.css": "b3f345b607e318dcfbefcdc677fe21cc7d387b9946b0f9d625b0a842fe7e31b9",
@@ -980,7 +988,7 @@
     "packages/opencode/src/server/routes/instance/httpapi/groups/mcp.ts": "048efa7b74d43c4ad4a75d0f8421c808760c8c0dcd593f0051a87044e40487d6",
     "packages/opencode/src/server/routes/instance/httpapi/groups/provider.ts": "34c6f1ab1a085d1b047c220bbff32a36032dc5e924784e9272cda166cf0ec84b",
     "packages/opencode/src/server/routes/instance/httpapi/groups/session.ts": "1421f8c07948b121c7e2005bd9b0fcd6b2c456565ddd1da32d8e6c35d03fac9c",
-    "packages/opencode/src/server/routes/instance/httpapi/handlers/event.ts": "505b8ed74ef7186ae14f051b0a645551b639effb1ef1cab5ca8282bf3542af47",
+    "packages/opencode/src/server/routes/instance/httpapi/handlers/event.ts": "88c7bae32fa01ab213e95cb4e4891fd3ccb961782e80a416e321c5daf90fb487",
     "packages/opencode/src/server/routes/instance/httpapi/handlers/experimental.ts": "69ca3dd48d95157fc822e1f76eb42ac873df50f22616b85194619ca658613867",
     "packages/opencode/src/server/routes/instance/httpapi/handlers/file.ts": "10bcb79b117beebee04184fb48c1ad789e782e2f7ae4b0c68603edc00f03aee9",
     "packages/opencode/src/server/routes/instance/httpapi/handlers/global.ts": "a31e4d0abe4f76e667167c5017aca5559b53938db63bdc1d656a154e1aaf5fea",
@@ -1004,11 +1012,11 @@
     "packages/ui/src/v2/components/text-shimmer-v2.tsx"
   ],
   "exceptions": [],
-  "extracted_at": "2026-10-17T09:51:09.816Z",
+  "extracted_at": "2026-10-17T11:01:45.600Z",
   "per_package": {
     "packages/app": {
       "A": 251,
-      "M": 159,
+      "M": 162,
       "D": 0
     },
     "packages/core": {
@@ -1022,7 +1030,7 @@
       "D": 0
     },
     "packages/opencode": {
-      "A": 95,
+      "A": 97,
       "M": 97,
       "D": 0
     },
@@ -1042,8 +1050,8 @@
       "D": 0
     },
     "packages/session-ui": {
-      "A": 42,
-      "M": 31,
+      "A": 44,
+      "M": 32,
       "D": 0
     },
     "packages/ui": {
@@ -1053,7 +1061,7 @@
     }
   },
   "counts": {
-    "overlay_total": 982,
+    "overlay_total": 990,
     "deletions": 7,
     "server_coupled": 0
   },
@@ -1297,6 +1305,7 @@
     "packages/app/src/i18n/uk.ts": "M",
     "packages/app/src/i18n/zh.ts": "M",
     "packages/app/src/i18n/zht.ts": "M",
+    "packages/app/src/pages/directory-layout.tsx": "M",
     "packages/app/src/pages/empty-workspace-landing.tsx": "A",
     "packages/app/src/pages/error.tsx": "M",
     "packages/app/src/pages/hold-debug-badge-gate.test.ts": "A",
@@ -1329,6 +1338,8 @@
     "packages/app/src/utils/amicode-workspace-projects.test.ts": "A",
     "packages/app/src/utils/amicode-workspace-projects.ts": "A",
     "packages/app/src/utils/chrome-dropdown.ts": "A",
+    "packages/app/src/utils/diffs.test.ts": "M",
+    "packages/app/src/utils/diffs.ts": "M",
     "packages/app/src/utils/global-clipboard.test.ts": "A",
     "packages/app/src/utils/global-clipboard.ts": "A",
     "packages/app/src/utils/pane-bridge.ts": "A",
@@ -1473,6 +1484,7 @@
     "packages/opencode/test/server/httpapi-compression.test.ts": "M",
     "packages/opencode/test/server/httpapi-event-replay.test.ts": "A",
     "packages/opencode/test/server/httpapi-event-sequencing.test.ts": "A",
+    "packages/opencode/test/server/httpapi-event-summary-strip.test.ts": "A",
     "packages/opencode/test/server/httpapi-event.test.ts": "M",
     "packages/opencode/test/server/httpapi-file-write-gate.test.ts": "A",
     "packages/opencode/test/server/httpapi-file.test.ts": "M",
@@ -1487,6 +1499,7 @@
     "packages/opencode/test/server/session-diff-missing-patch.test.ts": "M",
     "packages/opencode/test/server/session-diff-scoped.test.ts": "A",
     "packages/opencode/test/server/sse-tick-telemetry.test.ts": "A",
+    "packages/opencode/test/server/summary-diff-wire.test.ts": "A",
     "packages/opencode/test/server/tcp-keepalive.test.ts": "A",
     "packages/opencode/test/server/workspace-routing.test.ts": "M",
     "packages/opencode/test/session/adversarial-e2e.test.ts": "A",
@@ -1547,10 +1560,13 @@
     "packages/session-ui/src/components/session-review.tsx": "M",
     "packages/session-ui/src/components/session-turn.css": "M",
     "packages/session-ui/src/components/session-turn.tsx": "M",
+    "packages/session-ui/src/components/summary-patch.test.ts": "A",
+    "packages/session-ui/src/components/summary-patch.ts": "A",
     "packages/session-ui/src/components/tool-count-label.test.ts": "A",
     "packages/session-ui/src/components/tool-count-label.tsx": "M",
     "packages/session-ui/src/components/tool-error-card.tsx": "M",
     "packages/session-ui/src/components/tool-status-title.tsx": "M",
+    "packages/session-ui/src/context/data.tsx": "M",
     "packages/session-ui/src/pierre/worker.ts": "M",
     "packages/session-ui/src/util/clipboard.ts": "A",
     "packages/ui/src/amicode/amico-presence.css": "A",

packages/app-bundle/overlay/packages/app/src/pages/directory-layout.tsx

@@ -0,0 +1,135 @@
+import { DataProvider } from "@opencode-ai/session-ui/context"
+import { showToast } from "@/utils/toast"
+import { base64Encode } from "@opencode-ai/core/util/encode"
+import { useLocation, useNavigate, useParams } from "@solidjs/router"
+import { type Accessor, createEffect, createMemo, createResource, onCleanup, type ParentProps, Show } from "solid-js"
+import { useLanguage } from "@/context/language"
+import { LocalProvider } from "@/context/local"
+import { SDKProvider, useSDK } from "@/context/sdk"
+import { useSync } from "@/context/sync"
+import { decode64 } from "@/utils/base64"
+import { Schema } from "effect"
+import type { ServerConnection } from "@/context/server"
+import { sessionHref } from "@/utils/session-route"
+import { useServerSync } from "@/context/server-sync"
+
+export function DirectoryDataProvider(
+  props: ParentProps<{
+    directory: string | Accessor<string>
+    draftID?: string
+    server?: Accessor<ServerConnection.Key | undefined>
+  }>,
+) {
+  const location = useLocation()
+  const navigate = useNavigate()
+  const params = useParams()
+  const sdk = useSDK()
+  const sync = useSync()
+  const serverSync = useServerSync()
+  const directory = () => (typeof props.directory === "function" ? props.directory() : props.directory)
+  const slug = createMemo(() => base64Encode(directory()))
+  const href = (sessionID: string) => {
+    const server = props.server?.()
+    if (server) return sessionHref(server, sessionID)
+    return `/${slug()}/session/${sessionID}`
+  }
+  // #1778 (amicode overlay): live summaries carry no patch bodies; the per-turn
+  // diff view fetches a turn's stored diffs (patches included) when a file is
+  // expanded — the stored message is the source.
+  const loadSummaryDiffs = ({ sessionID, messageID }: { sessionID: string; messageID: string }) =>
+    sdk()
+      .client.session.message({ sessionID, messageID })
+      .then((response) => {
+        const info = response.data?.info
+        return info?.role === "user" ? info.summary?.diffs : undefined
+      })
+
+  createEffect(() => {
+    // A draft lives at /new-session?draftId=… and has no directory segment to normalize.
+    if (props.draftID || props.server?.()) return
+    const next = sync().data.path.directory
+    if (!next || next === directory()) return
+    const path = location.pathname.slice(slug().length + 1)
+    navigate(`/${base64Encode(next)}${path}${location.search}${location.hash}`, { replace: true })
+  })
+
+  createResource(
+    () => params.id,
+    (id) =>
+      sync()
+        .session.sync(id)
+        .catch(() => {}),
+  )
+
+  createEffect(() => {
+    const sessionID = params.id
+    if (!sessionID) return
+    serverSync().session.pin(sessionID)
+    onCleanup(() => serverSync().session.unpin(sessionID))
+  })
+
+  return (
+    <Show when={directory()} keyed>
+      {(directory) => (
+        <DataProvider
+          data={sync().data}
+          directory={directory}
+          sessionID={params.id}
+          onNavigateToSession={(sessionID: string) => navigate(href(sessionID))}
+          onSessionHref={href}
+          onLoadSummaryDiffs={loadSummaryDiffs}
+        >
+          <LocalProvider>{props.children}</LocalProvider>
+        </DataProvider>
+      )}
+    </Show>
+  )
+}
+
+export const ProjectDirString = Schema.String.pipe(Schema.brand("ProjectDirString"))
+export type ProjectDirString = Schema.Schema.Type<typeof ProjectDirString>
+
+export function decodeDirectory(dir: string): ProjectDirString | undefined {
+  const decoded = decode64(dir)
+  if (!decoded) return
+  return ProjectDirString.make(decoded)
+}
+
+export default function Layout(props: ParentProps) {
+  const params = useParams()
+  const language = useLanguage()
+  const navigate = useNavigate()
+  let invalid = ""
+
+  const resolved = createMemo(() => {
+    if (!params.dir) return ""
+    return decodeDirectory(params.dir) ?? ""
+  })
+
+  createEffect(() => {
+    const dir = params.dir
+    if (!dir) return
+    if (resolved()) {
+      invalid = ""
+      return
+    }
+    if (invalid === dir) return
+    invalid = dir
+    showToast({
+      variant: "error",
+      title: language.t("common.requestFailed"),
+      description: language.t("directory.error.invalidUrl"),
+    })
+    navigate("/", { replace: true })
+  })
+
+  return (
+    <Show when={resolved()} keyed>
+      {(resolved) => (
+        <SDKProvider directory={resolved}>
+          <DirectoryDataProvider directory={resolved}>{props.children}</DirectoryDataProvider>
+        </SDKProvider>
+      )}
+    </Show>
+  )
+}