diff --git a/packages/app/src/app.tsx b/packages/app/src/app.tsx
index 0eb5b4e9e0..fb3d30471d 100644
--- a/packages/app/src/app.tsx
+++ b/packages/app/src/app.tsx
@@ -133,7 +133,7 @@ function RouterRoot(props: ParentProps<{ appChildren?: JSX.Element }>) {
 export function AppBaseProviders(props: ParentProps<{ locale?: Locale }>) {
   return (
     <MetaProvider>
-      <Font />
+      <Font preloadMono={false} />
       <ThemeProvider
         onThemeApplied={(_, mode) => {
           void window.api?.setTitlebar?.({ mode })
diff --git a/packages/app/src/components/file-tree.tsx b/packages/app/src/components/file-tree.tsx
index 930832fb65..0a2b6f56df 100644
--- a/packages/app/src/components/file-tree.tsx
+++ b/packages/app/src/components/file-tree.tsx
@@ -17,6 +17,7 @@ import {
   type JSXElement,
   type ParentProps,
 } from "solid-js"
+import { createStore, type SetStoreFunction } from "solid-js/store"
 import { Dynamic } from "solid-js/web"
 import type { FileNode } from "@opencode-ai/sdk/v2"
 
@@ -201,6 +202,7 @@ export default function FileTree(props: {
   modified?: readonly string[]
   kinds?: ReadonlyMap<string, Kind>
   draggable?: boolean
+  synthetic?: boolean
   onFileClick?: (file: FileNode) => void
 
   _filter?: Filter
@@ -208,10 +210,15 @@ export default function FileTree(props: {
   _deeps?: Map<string, number>
   _kinds?: ReadonlyMap<string, Kind>
   _chain?: readonly string[]
+  _open?: Record<string, boolean>
+  _setOpen?: SetStoreFunction<Record<string, boolean>>
 }) {
   const file = useFile()
   const level = props.level ?? 0
   const draggable = () => props.draggable ?? true
+  const local = createStore<Record<string, boolean>>({})
+  const open = props._open ?? local[0]
+  const setOpen = props._setOpen ?? local[1]
 
   const key = (p: string) =>
     file
@@ -258,6 +265,7 @@ export default function FileTree(props: {
 
   const deeps = createMemo(() => {
     if (props._deeps) return props._deeps
+    if (props.synthetic) return new Map<string, number>()
 
     const out = new Map<string, number>()
 
@@ -304,6 +312,7 @@ export default function FileTree(props: {
   })
 
   createEffect(() => {
+    if (props.synthetic) return
     const current = filter()
     const dirs = dirsToExpand({
       level,
@@ -317,6 +326,7 @@ export default function FileTree(props: {
     on(
       () => props.path,
       (path) => {
+        if (props.synthetic) return
         const dir = untrack(() => file.tree.state(path))
         if (!shouldListRoot({ level, dir })) return
         void file.tree.list(path)
@@ -388,7 +398,8 @@ export default function FileTree(props: {
     <div data-component="filetree" class={`flex flex-col gap-0.5 ${props.class ?? ""}`}>
       <For each={nodes()}>
         {(node) => {
-          const expanded = () => file.tree.state(node.path)?.expanded ?? false
+          const expanded = () =>
+            props.synthetic ? (open[node.path] ?? true) : (file.tree.state(node.path)?.expanded ?? false)
           const deep = () => deeps().get(node.path) ?? -1
           const kind = () => visibleKind(node, kinds(), marks())
           const active = () => !!kind() && !node.ignored
@@ -402,7 +413,13 @@ export default function FileTree(props: {
                   data-scope="filetree"
                   forceMount={false}
                   open={expanded()}
-                  onOpenChange={(open) => (open ? file.tree.expand(node.path) : file.tree.collapse(node.path))}
+                  onOpenChange={(open) => {
+                    if (props.synthetic) {
+                      setOpen(node.path, open)
+                      return
+                    }
+                    open ? file.tree.expand(node.path) : file.tree.collapse(node.path)
+                  }}
                 >
                   <Collapsible.Trigger>
                     <FileTreeNode
@@ -435,6 +452,7 @@ export default function FileTree(props: {
                       <FileTree
                         path={node.path}
                         level={level + 1}
+                        synthetic={props.synthetic}
                         allowed={props.allowed}
                         modified={props.modified}
                         kinds={props.kinds}
@@ -446,6 +464,8 @@ export default function FileTree(props: {
                         _deeps={deeps()}
                         _kinds={kinds()}
                         _chain={chain}
+                        _open={open}
+                        _setOpen={setOpen}
                       />
                     </Show>
                   </Collapsible.Content>
diff --git a/packages/app/src/components/prompt-input.tsx b/packages/app/src/components/prompt-input.tsx
index ee98e68cd5..4a5d88b018 100644
--- a/packages/app/src/components/prompt-input.tsx
+++ b/packages/app/src/components/prompt-input.tsx
@@ -27,7 +27,6 @@ import { IconButton } from "@opencode-ai/ui/icon-button"
 import { Select } from "@opencode-ai/ui/select"
 import { useDialog } from "@opencode-ai/ui/context/dialog"
 import { ModelSelectorPopover } from "@/components/dialog-select-model"
-import { DialogSelectModelUnpaid } from "@/components/dialog-select-model-unpaid"
 import { useProviders } from "@/hooks/use-providers"
 import { useCommand } from "@/context/command"
 import { Persist, persisted } from "@/utils/persist"
@@ -1494,7 +1493,11 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
                           size="normal"
                           class="min-w-0 max-w-[320px] text-13-regular text-text-base group"
                           style={control()}
-                          onClick={() => dialog.show(() => <DialogSelectModelUnpaid model={local.model} />)}
+                          onClick={() => {
+                            void import("@/components/dialog-select-model-unpaid").then((x) =>
+                              dialog.show(() => <x.DialogSelectModelUnpaid model={local.model} />),
+                            )
+                          }}
                         >
                           <Show when={local.model.current()?.provider?.id}>
                             <ProviderIcon
diff --git a/packages/app/src/context/global-sync/bootstrap.ts b/packages/app/src/context/global-sync/bootstrap.ts
index 47be3abcb3..b7475e14be 100644
--- a/packages/app/src/context/global-sync/bootstrap.ts
+++ b/packages/app/src/context/global-sync/bootstrap.ts
@@ -243,12 +243,6 @@ export async function bootstrapDirectory(input: {
   ]
 
   const slow = [
-    () =>
-      retry(() =>
-        input.sdk.provider.list().then((x) => {
-          input.setStore("provider", normalizeProviderList(x.data!))
-        }),
-      ),
     () => Promise.resolve(input.loadSessions(input.directory)),
     () => retry(() => input.sdk.mcp.status().then((x) => input.setStore("mcp", x.data!))),
     () => retry(() => input.sdk.lsp.status().then((x) => input.setStore("lsp", x.data!))),
diff --git a/packages/app/src/context/global-sync/event-reducer.ts b/packages/app/src/context/global-sync/event-reducer.ts
index 5d8b7c4e3d..63cba5a655 100644
--- a/packages/app/src/context/global-sync/event-reducer.ts
+++ b/packages/app/src/context/global-sync/event-reducer.ts
@@ -56,6 +56,22 @@ function cleanupSessionCaches(
   )
 }
 
+function keep(next: Session, prev?: Session) {
+  const diffs = prev?.summary?.diffs
+  const files = prev?.summary?.files
+  if (!diffs?.length) return next
+  if (!next.summary || next.summary.diffs?.length) return next
+  if (next.summary.files <= 0) return next
+  if (next.summary.files !== files) return next
+  return {
+    ...next,
+    summary: {
+      ...next.summary,
+      diffs,
+    },
+  }
+}
+
 export function cleanupDroppedSessionCaches(
   store: Store<State>,
   setStore: SetStoreFunction<State>,
@@ -105,7 +121,7 @@ export function applyDirectoryEvent(input: {
       const info = (event.properties as { info: Session }).info
       const result = Binary.search(input.store.session, info.id, (s) => s.id)
       if (result.found) {
-        input.setStore("session", result.index, reconcile(info))
+        input.setStore("session", result.index, reconcile(keep(info, input.store.session[result.index])))
         break
       }
       const next = input.store.session.slice()
@@ -134,7 +150,7 @@ export function applyDirectoryEvent(input: {
         break
       }
       if (result.found) {
-        input.setStore("session", result.index, reconcile(info))
+        input.setStore("session", result.index, reconcile(keep(info, input.store.session[result.index])))
         break
       }
       const next = input.store.session.slice()
diff --git a/packages/app/src/context/settings.tsx b/packages/app/src/context/settings.tsx
index eddd752eb4..60997676bd 100644
--- a/packages/app/src/context/settings.tsx
+++ b/packages/app/src/context/settings.tsx
@@ -1,5 +1,5 @@
 import { createStore, reconcile } from "solid-js/store"
-import { createEffect, createMemo } from "solid-js"
+import { createEffect, createMemo, onCleanup } from "solid-js"
 import { createSimpleContext } from "@opencode-ai/ui/context"
 import { persisted } from "@/utils/persist"
 
@@ -120,7 +120,16 @@ export const { use: useSettings, provider: SettingsProvider } = createSimpleCont
       if (typeof document === "undefined") return
       const id = store.appearance?.font ?? defaultSettings.appearance.font
       if (id !== defaultSettings.appearance.font) {
-        void loadFont().then((x) => x.ensureMonoFont(id))
+        const run = () => {
+          void loadFont().then((x) => x.ensureMonoFont(id))
+        }
+        if (typeof requestIdleCallback === "function") {
+          const idle = requestIdleCallback(run, { timeout: 2000 })
+          onCleanup(() => cancelIdleCallback(idle))
+        } else {
+          const timeout = window.setTimeout(run, 2000)
+          onCleanup(() => window.clearTimeout(timeout))
+        }
       }
       document.documentElement.style.setProperty("--font-family-mono", monoFontFamily(id))
     })
diff --git a/packages/app/src/context/sync.tsx b/packages/app/src/context/sync.tsx
index bbf4fc5ec4..a121607824 100644
--- a/packages/app/src/context/sync.tsx
+++ b/packages/app/src/context/sync.tsx
@@ -180,8 +180,8 @@ export const { use: useSync, provider: SyncProvider } = createSimpleContext({
       return globalSync.child(directory)
     }
     const absolute = (path: string) => (current()[0].path.directory + "/" + path).replace("//", "/")
-    const initialMessagePageSize = 80
-    const historyMessagePageSize = 200
+    const initialMessagePageSize = 40
+    const historyMessagePageSize = 80
     const inflight = new Map<string, Promise<void>>()
     const inflightDiff = new Map<string, Promise<void>>()
     const inflightTodo = new Map<string, Promise<void>>()
@@ -460,13 +460,16 @@ export const { use: useSync, provider: SyncProvider } = createSimpleContext({
               }
             }
 
-            const hasSession = Binary.search(store.session, sessionID, (s) => s.id).found
+            const hit = Binary.search(store.session, sessionID, (s) => s.id)
+            const session = hit.found ? store.session[hit.index] : undefined
+            const hasSession = hit.found
             const cached = store.message[sessionID] !== undefined && meta.limit[key] !== undefined
-            if (cached && hasSession && !opts?.force) return
+            const needs = !!session?.summary?.files && !session.summary?.diffs
+            if (cached && hasSession && !opts?.force && !needs) return
 
             const limit = meta.limit[key] ?? initialMessagePageSize
             const sessionReq =
-              hasSession && !opts?.force
+              hasSession && !opts?.force && !needs
                 ? Promise.resolve()
                 : retry(() => client.session.get({ sessionID })).then((session) => {
                     if (!tracked(directory, sessionID)) return
diff --git a/packages/app/src/hooks/use-providers.ts b/packages/app/src/hooks/use-providers.ts
index a8f2360bbf..e07ab78304 100644
--- a/packages/app/src/hooks/use-providers.ts
+++ b/packages/app/src/hooks/use-providers.ts
@@ -21,7 +21,7 @@ export function useProviders() {
   const dir = createMemo(() => decode64(params.dir) ?? "")
   const providers = () => {
     if (dir()) {
-      const [projectStore] = globalSync.child(dir())
+      const [projectStore] = globalSync.peek(dir(), { bootstrap: false })
       if (projectStore.provider.all.length > 0) return projectStore.provider
     }
     return globalSync.data.provider
diff --git a/packages/app/src/pages/session.tsx b/packages/app/src/pages/session.tsx
index 2d3e31355a..b86e5d15b6 100644
--- a/packages/app/src/pages/session.tsx
+++ b/packages/app/src/pages/session.tsx
@@ -158,6 +158,13 @@ function createSessionHistoryWindow(input: SessionHistoryWindowInput) {
     preserveScroll(() => setTurnStart(nextStart))
   }
 
+  const reveal = () => {
+    const start = turnStart()
+    if (start <= 0) return false
+    backfillTurns()
+    return true
+  }
+
   /** Button path: reveal all cached turns, fetch older history, reveal one batch. */
   const loadAndReveal = async () => {
     const id = input.sessionID()
@@ -303,6 +310,7 @@ function createSessionHistoryWindow(input: SessionHistoryWindowInput) {
   return {
     turnStart,
     setTurnStart,
+    reveal,
     renderedUserMessages,
     loadAndReveal,
     onScrollerScroll,
@@ -877,6 +885,7 @@ export default function Page() {
   }
 
   const mobileChanges = createMemo(() => !isDesktop() && store.mobileTab === "changes")
+  const wantsDiff = createMemo(() => (isDesktop() ? desktopReviewOpen() && activeTab() === "review" : mobileChanges()))
 
   const fileTreeTab = () => layout.fileTree.tab()
   const setFileTreeTab = (value: "changes" | "all") => layout.fileTree.setTab(value)
@@ -1074,6 +1083,7 @@ export default function Page() {
   }
 
   const focusReviewDiff = (path: string) => {
+    void tabs().open("review")
     openReviewPanel()
     view().review.openPath(path)
     setTree({ activeDiff: path, pendingDiff: path })
@@ -1124,10 +1134,7 @@ export default function Page() {
     const id = params.id
     if (!id) return
 
-    const wants = isDesktop()
-      ? desktopFileTreeOpen() || (desktopReviewOpen() && activeTab() === "review")
-      : store.mobileTab === "changes"
-    if (!wants) return
+    if (!wantsDiff()) return
     if (sync.data.session_diff[id] !== undefined) return
     if (sync.status === "loading") return
 
@@ -1136,13 +1143,7 @@ export default function Page() {
 
   createEffect(
     on(
-      () =>
-        [
-          sessionKey(),
-          isDesktop()
-            ? desktopFileTreeOpen() || (desktopReviewOpen() && activeTab() === "review")
-            : store.mobileTab === "changes",
-        ] as const,
+      () => [sessionKey(), wantsDiff()] as const,
       ([key, wants]) => {
         if (diffFrame !== undefined) cancelAnimationFrame(diffFrame)
         if (diffTimer !== undefined) window.clearTimeout(diffTimer)
@@ -1167,19 +1168,6 @@ export default function Page() {
     ),
   )
 
-  let treeDir: string | undefined
-  createEffect(() => {
-    const dir = sdk.directory
-    if (!isDesktop()) return
-    if (!layout.fileTree.opened()) return
-    if (sync.status === "loading") return
-
-    fileTreeTab()
-    const refresh = treeDir !== dir
-    treeDir = dir
-    void (refresh ? file.tree.refresh("") : file.tree.list(""))
-  })
-
   createEffect(
     on(
       () => sdk.directory,
@@ -1296,9 +1284,9 @@ export default function Page() {
       const el = scroller
       if (!el) return
       if (el.scrollHeight > el.clientHeight + 1) return
-      if (historyWindow.turnStart() <= 0 && !historyMore()) return
+      if (historyWindow.turnStart() <= 0) return
 
-      void historyWindow.loadAndReveal()
+      historyWindow.reveal()
     })
   }
 
@@ -1309,14 +1297,13 @@ export default function Page() {
           params.id,
           messagesReady(),
           historyWindow.turnStart(),
-          historyMore(),
           historyLoading(),
           autoScroll.userScrolled(),
           visibleUserMessages().length,
         ] as const,
-      ([id, ready, start, more, loading, scrolled]) => {
+      ([id, ready, start, loading, scrolled]) => {
         if (!id || !ready || loading || scrolled) return
-        if (start <= 0 && !more) return
+        if (start <= 0) return
         fill()
       },
       { defer: true },
diff --git a/packages/app/src/pages/session/helpers.ts b/packages/app/src/pages/session/helpers.ts
index 7e2c1ccf7b..701b1fa0f1 100644
--- a/packages/app/src/pages/session/helpers.ts
+++ b/packages/app/src/pages/session/helpers.ts
@@ -49,7 +49,6 @@ export const createSessionTabs = (input: TabsInput) => {
     const first = openedTabs()[0]
     if (first) return first
     if (contextOpen()) return "context"
-    if (review() && hasReview()) return "review"
     return "empty"
   })
   const activeFileTab = createMemo(() => {
diff --git a/packages/app/src/pages/session/session-side-panel.tsx b/packages/app/src/pages/session/session-side-panel.tsx
index 58c650fcd1..4e38b99f97 100644
--- a/packages/app/src/pages/session/session-side-panel.tsx
+++ b/packages/app/src/pages/session/session-side-panel.tsx
@@ -13,7 +13,6 @@ import { useDialog } from "@opencode-ai/ui/context/dialog"
 
 import FileTree from "@/components/file-tree"
 import { SessionContextUsage } from "@/components/session-context-usage"
-import { DialogSelectFile } from "@/components/dialog-select-file"
 import { SessionContextTab, SortableTab, FileVisual } from "@/components/session"
 import { useCommand } from "@/context/command"
 import { useFile, type SelectedLineRange } from "@/context/file"
@@ -56,14 +55,15 @@ export function SessionSidePanel(props: {
 
   const info = createMemo(() => (params.id ? sync.session.get(params.id) : undefined))
   const diffs = createMemo(() => (params.id ? (sync.data.session_diff[params.id] ?? []) : []))
+  const changes = createMemo(() => {
+    const id = params.id
+    if (!id) return []
+    const full = sync.data.session_diff[id]
+    if (full !== undefined) return full
+    return info()?.summary?.diffs ?? []
+  })
   const reviewCount = createMemo(() => Math.max(info()?.summary?.files ?? 0, diffs().length))
   const hasReview = createMemo(() => reviewCount() > 0)
-  const diffsReady = createMemo(() => {
-    const id = params.id
-    if (!id) return true
-    if (!hasReview()) return true
-    return sync.data.session_diff[id] !== undefined
-  })
 
   const reviewEmptyKey = createMemo(() => {
     if (sync.project && !sync.project.vcs) return "session.review.noVcs"
@@ -71,7 +71,7 @@ export function SessionSidePanel(props: {
     return "session.review.noChanges"
   })
 
-  const diffFiles = createMemo(() => diffs().map((d) => d.file))
+  const diffFiles = createMemo(() => changes().map((d) => d.file))
   const kinds = createMemo(() => {
     const merge = (a: "add" | "del" | "mix" | undefined, b: "add" | "del" | "mix") => {
       if (!a) return b
@@ -82,7 +82,7 @@ export function SessionSidePanel(props: {
     const normalize = (p: string) => p.replaceAll("\\\\", "/").replace(/\/+$/, "")
 
     const out = new Map<string, "add" | "del" | "mix">()
-    for (const diff of diffs()) {
+    for (const diff of changes()) {
       const file = normalize(diff.file)
       const kind = diff.status === "added" ? "add" : diff.status === "deleted" ? "del" : "mix"
 
@@ -293,9 +293,11 @@ export function SessionSidePanel(props: {
                             variant="ghost"
                             iconSize="large"
                             class="!rounded-md"
-                            onClick={() =>
-                              dialog.show(() => <DialogSelectFile mode="files" onOpenFile={showAllFiles} />)
-                            }
+                            onClick={() => {
+                              void import("@/components/dialog-select-file").then((x) =>
+                                dialog.show(() => <x.DialogSelectFile mode="files" onOpenFile={showAllFiles} />),
+                              )
+                            }}
                             aria-label={language.t("command.file.open")}
                           />
                         </TooltipKeybind>
@@ -386,26 +388,17 @@ export function SessionSidePanel(props: {
                 </Tabs.List>
                 <Tabs.Content value="changes" class="bg-background-stronger px-3 py-0">
                   <Switch>
-                    <Match when={hasReview()}>
-                      <Show
-                        when={diffsReady()}
-                        fallback={
-                          <div class="px-2 py-2 text-12-regular text-text-weak">
-                            {language.t("common.loading")}
-                            {language.t("common.loading.ellipsis")}
-                          </div>
-                        }
-                      >
-                        <FileTree
-                          path=""
-                          class="pt-3"
-                          allowed={diffFiles()}
-                          kinds={kinds()}
-                          draggable={false}
-                          active={props.activeDiff}
-                          onFileClick={(node) => props.focusReviewDiff(node.path)}
-                        />
-                      </Show>
+                    <Match when={hasReview() && diffFiles().length > 0}>
+                      <FileTree
+                        synthetic
+                        path=""
+                        class="pt-3"
+                        allowed={diffFiles()}
+                        kinds={kinds()}
+                        draggable={false}
+                        active={props.activeDiff}
+                        onFileClick={(node) => props.focusReviewDiff(node.path)}
+                      />
                     </Match>
                     <Match when={true}>
                       {empty(
diff --git a/packages/app/src/pages/session/use-session-commands.tsx b/packages/app/src/pages/session/use-session-commands.tsx
index 7394765ae6..de6660f69a 100644
--- a/packages/app/src/pages/session/use-session-commands.tsx
+++ b/packages/app/src/pages/session/use-session-commands.tsx
@@ -11,10 +11,6 @@ import { usePrompt } from "@/context/prompt"
 import { useSDK } from "@/context/sdk"
 import { useSync } from "@/context/sync"
 import { useTerminal } from "@/context/terminal"
-import { DialogSelectFile } from "@/components/dialog-select-file"
-import { DialogSelectModel } from "@/components/dialog-select-model"
-import { DialogSelectMcp } from "@/components/dialog-select-mcp"
-import { DialogFork } from "@/components/dialog-fork"
 import { showToast } from "@opencode-ai/ui/toast"
 import { findLast } from "@opencode-ai/util/array"
 import { createSessionTabs } from "@/pages/session/helpers"
@@ -257,7 +253,11 @@ export const useSessionCommands = (actions: SessionCommandContext) => {
         description: language.t("palette.search.placeholder"),
         keybind: "mod+k,mod+p",
         slash: "open",
-        onSelect: () => dialog.show(() => <DialogSelectFile onOpenFile={showAllFiles} />),
+        onSelect: () => {
+          void import("@/components/dialog-select-file").then((x) =>
+            dialog.show(() => <x.DialogSelectFile onOpenFile={showAllFiles} />),
+          )
+        },
       }),
       fileCommand({
         id: "tab.close",
@@ -351,7 +351,11 @@ export const useSessionCommands = (actions: SessionCommandContext) => {
         description: language.t("command.model.choose.description"),
         keybind: "mod+'",
         slash: "model",
-        onSelect: () => dialog.show(() => <DialogSelectModel model={local.model} />),
+        onSelect: () => {
+          void import("@/components/dialog-select-model").then((x) =>
+            dialog.show(() => <x.DialogSelectModel model={local.model} />),
+          )
+        },
       }),
       mcpCommand({
         id: "mcp.toggle",
@@ -359,7 +363,9 @@ export const useSessionCommands = (actions: SessionCommandContext) => {
         description: language.t("command.mcp.toggle.description"),
         keybind: "mod+;",
         slash: "mcp",
-        onSelect: () => dialog.show(() => <DialogSelectMcp />),
+        onSelect: () => {
+          void import("@/components/dialog-select-mcp").then((x) => dialog.show(() => <x.DialogSelectMcp />))
+        },
       }),
       agentCommand({
         id: "agent.cycle",
@@ -487,7 +493,9 @@ export const useSessionCommands = (actions: SessionCommandContext) => {
         description: language.t("command.session.fork.description"),
         slash: "fork",
         disabled: !params.id || visibleUserMessages().length === 0,
-        onSelect: () => dialog.show(() => <DialogFork />),
+        onSelect: () => {
+          void import("@/components/dialog-fork").then((x) => dialog.show(() => <x.DialogFork />))
+        },
       }),
       ...share,
     ]
diff --git a/packages/opencode/src/server/routes/session.ts b/packages/opencode/src/server/routes/session.ts
index 3c9ebfdc5e..73c470876c 100644
--- a/packages/opencode/src/server/routes/session.ts
+++ b/packages/opencode/src/server/routes/session.ts
@@ -123,6 +123,15 @@ export const SessionRoutes = lazy(() =>
         const sessionID = c.req.valid("param").sessionID
         log.info("SEARCH", { url: c.req.url })
         const session = await Session.get(sessionID)
+        if (session.summary?.files) {
+          const diffs = await SessionSummary.list(sessionID)
+          if (diffs.length > 0) {
+            session.summary = {
+              ...session.summary,
+              diffs,
+            }
+          }
+        }
         return c.json(session)
       },
     )
diff --git a/packages/opencode/src/server/server.ts b/packages/opencode/src/server/server.ts
index e4c98c609e..a8f5f59d08 100644
--- a/packages/opencode/src/server/server.ts
+++ b/packages/opencode/src/server/server.ts
@@ -51,6 +51,58 @@ globalThis.AI_SDK_LOG_WARNINGS = false
 const csp = (hash = "") =>
   `default-src 'self'; script-src 'self' 'wasm-unsafe-eval'${hash ? ` 'sha256-${hash}'` : ""}; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; font-src 'self' data:; media-src 'self' data:; connect-src 'self' data:`
 
+const api = (path: string) =>
+  path === "/agent" ||
+  path === "/command" ||
+  path === "/formatter" ||
+  path === "/log" ||
+  path === "/lsp" ||
+  path === "/path" ||
+  path === "/skill" ||
+  path === "/vcs" ||
+  path.startsWith("/auth/") ||
+  path.startsWith("/config") ||
+  path.startsWith("/experimental") ||
+  path.startsWith("/global") ||
+  path.startsWith("/mcp") ||
+  path.startsWith("/permission") ||
+  path.startsWith("/project") ||
+  path.startsWith("/provider") ||
+  path.startsWith("/question") ||
+  path.startsWith("/session")
+
+const json = (value: string | null) => {
+  const type = value?.split(";")[0]?.trim()
+  return type === "application/json" || type?.endsWith("+json")
+}
+
+const gzip = (value?: string) => {
+  if (!value) return false
+
+  let star = false
+  for (const item of value.split(",")) {
+    const [name, ...params] = item.trim().toLowerCase().split(";")
+    const q = params.find((part) => part.trim().startsWith("q="))
+    const score = q ? Number(q.trim().slice(2)) : 1
+    const ok = !Number.isNaN(score) && score > 0
+
+    if (name === "gzip") return ok
+    if (name === "*") star = ok
+  }
+
+  return star
+}
+
+const vary = (headers: Headers, value: string) => {
+  const current = headers.get("Vary")
+  if (!current) {
+    headers.set("Vary", value)
+    return
+  }
+  if (current.split(",").some((item) => item.trim().toLowerCase() === value.toLowerCase())) return
+  headers.set("Vary", `${current}, ${value}`)
+}
+
 export namespace Server {
   const log = Log.create({ service: "server" })
 
@@ -104,6 +156,26 @@ export namespace Server {
           timer.stop()
         }
       })
+      .use(async (c, next) => {
+        await next()
+
+        if (!api(c.req.path)) return
+        if (c.req.method === "HEAD") return
+        if (c.res.headers.has("Content-Encoding")) return
+        if (c.res.headers.has("Transfer-Encoding")) return
+        if (!json(c.res.headers.get("Content-Type"))) return
+
+        if (!gzip(c.req.header("Accept-Encoding"))) return
+
+        const size = Number(c.res.headers.get("Content-Length") ?? "")
+        if (Number.isFinite(size) && size > 0 && size < 1024) return
+        if (!c.res.body) return
+
+        c.res = new Response(c.res.body.pipeThrough(new CompressionStream("gzip")), c.res)
+        c.res.headers.delete("Content-Length")
+        c.res.headers.set("Content-Encoding", "gzip")
+        vary(c.res.headers, "Accept-Encoding")
+      })
       .use(
         cors({
           origin(input) {
diff --git a/packages/opencode/src/session/summary.ts b/packages/opencode/src/session/summary.ts
index 898b93f3f9..07955152c5 100644
--- a/packages/opencode/src/session/summary.ts
+++ b/packages/opencode/src/session/summary.ts
@@ -12,6 +12,14 @@ import { Bus } from "@/bus"
 import { NotFoundError } from "@/storage/db"
 
 export namespace SessionSummary {
+  function shape(diffs: Snapshot.FileDiff[]) {
+    return diffs.map((item) => ({
+      ...item,
+      before: "",
+      after: "",
+    }))
+  }
+
   function unquoteGitPath(input: string) {
     if (!input.startsWith('"')) return input
     if (!input.endsWith('"')) return input
@@ -141,6 +149,8 @@ export namespace SessionSummary {
     },
   )
 
+  export const list = fn(SessionID.zod, async (sessionID) => shape(await diff({ sessionID })))
+
   export async function computeDiff(input: { messages: MessageV2.WithParts[] }) {
     let from: string | undefined
     let to: string | undefined
diff --git a/packages/sdk/js/src/client.ts b/packages/sdk/js/src/client.ts
index e0d20152b9..46e69d085d 100644
--- a/packages/sdk/js/src/client.ts
+++ b/packages/sdk/js/src/client.ts
@@ -5,6 +5,31 @@ import { type Config } from "./gen/client/types.gen.js"
 import { OpencodeClient } from "./gen/sdk.gen.js"
 export { type Config as OpencodeClientConfig, OpencodeClient }
 
+const keys = [
+  ["x-opencode-directory", "directory"],
+  ["x-opencode-workspace", "workspace"],
+] as const
+
+function move(req: Request) {
+  if (req.method !== "GET" && req.method !== "HEAD") return req
+
+  let url: URL | undefined
+
+  for (const [header, key] of keys) {
+    const value = req.headers.get(header)
+    if (!value) continue
+    url ??= new URL(req.url)
+    if (!url.searchParams.has(key)) url.searchParams.set(key, value)
+  }
+
+  if (!url) return req
+  const next = new Request(url, req)
+  for (const [header] of keys) {
+    next.headers.delete(header)
+  }
+  return next
+}
+
 export function createOpencodeClient(config?: Config & { directory?: string }) {
   if (!config?.fetch) {
     const customFetch: any = (req: any) => {
@@ -26,5 +51,8 @@ export function createOpencodeClient(config?: Config & { directory?: string }) {
   }
 
   const client = createClient(config)
+  if (typeof window === "object" && typeof document === "object") {
+    client.interceptors.request.use(move)
+  }
   return new OpencodeClient({ client })
 }
diff --git a/packages/sdk/js/src/v2/client.ts b/packages/sdk/js/src/v2/client.ts
index ad956dd4b3..3ebf58b855 100644
--- a/packages/sdk/js/src/v2/client.ts
+++ b/packages/sdk/js/src/v2/client.ts
@@ -5,6 +5,31 @@ import { type Config } from "./gen/client/types.gen.js"
 import { OpencodeClient } from "./gen/sdk.gen.js"
 export { type Config as OpencodeClientConfig, OpencodeClient }
 
+const keys = [
+  ["x-opencode-directory", "directory"],
+  ["x-opencode-workspace", "workspace"],
+] as const
+
+function move(req: Request) {
+  if (req.method !== "GET" && req.method !== "HEAD") return req
+
+  let url: URL | undefined
+
+  for (const [header, key] of keys) {
+    const value = req.headers.get(header)
+    if (!value) continue
+    url ??= new URL(req.url)
+    if (!url.searchParams.has(key)) url.searchParams.set(key, value)
+  }
+
+  if (!url) return req
+  const next = new Request(url, req)
+  for (const [header] of keys) {
+    next.headers.delete(header)
+  }
+  return next
+}
+
 export function createOpencodeClient(config?: Config & { directory?: string; experimental_workspaceID?: string }) {
   if (!config?.fetch) {
     const customFetch: any = (req: any) => {
@@ -35,5 +60,8 @@ export function createOpencodeClient(config?: Config & { directory?: string; exp
   }
 
   const client = createClient(config)
+  if (typeof window === "object" && typeof document === "object") {
+    client.interceptors.request.use(move)
+  }
   return new OpencodeClient({ client })
 }
diff --git a/packages/ui/src/components/font.tsx b/packages/ui/src/components/font.tsx
index e1a508f16a..d4af124ea9 100644
--- a/packages/ui/src/components/font.tsx
+++ b/packages/ui/src/components/font.tsx
@@ -5,7 +5,7 @@ import ibmPlexMonoBold from "../assets/fonts/ibm-plex-mono-bold.woff2"
 import ibmPlexMonoMedium from "../assets/fonts/ibm-plex-mono-medium.woff2"
 import ibmPlexMonoRegular from "../assets/fonts/ibm-plex-mono.woff2"
 
-export const Font = () => {
+export const Font = (props: { preloadMono?: boolean }) => {
   return (
     <>
       <Style>{`
@@ -56,7 +56,9 @@ export const Font = () => {
       `}</Style>
       <Show when={typeof location === "undefined" || location.protocol !== "file:"}>
         <Link rel="preload" href={inter} as="font" type="font/woff2" crossorigin="anonymous" />
-        <Link rel="preload" href={ibmPlexMonoRegular} as="font" type="font/woff2" crossorigin="anonymous" />
+        <Show when={props.preloadMono !== false}>
+          <Link rel="preload" href={ibmPlexMonoRegular} as="font" type="font/woff2" crossorigin="anonymous" />
+        </Show>
       </Show>
     </>
   )