Reapply "fix(app): startup efficiency"

This reverts commit 898456a25cf2edbfc4ae4961b37424f633419dd6.

7 files changed, 331 insertions, 285 deletions

diff --git a/packages/app/src/context/global-sync.tsx b/packages/app/src/context/global-sync.tsx
index 2d1e50135..cbd08e99f 100644
--- a/packages/app/src/context/global-sync.tsx
+++ b/packages/app/src/context/global-sync.tsx
@@ -9,17 +9,7 @@ import type {
 } from "@opencode-ai/sdk/v2/client"
 import { showToast } from "@opencode-ai/ui/toast"
 import { getFilename } from "@opencode-ai/util/path"
-import {
-  createContext,
-  getOwner,
-  Match,
-  onCleanup,
-  onMount,
-  type ParentProps,
-  Switch,
-  untrack,
-  useContext,
-} from "solid-js"
+import { createContext, getOwner, onCleanup, onMount, type ParentProps, untrack, useContext } from "solid-js"
 import { createStore, produce, reconcile } from "solid-js/store"
 import { useLanguage } from "@/context/language"
 import { Persist, persisted } from "@/utils/persist"
@@ -80,6 +70,8 @@ function createGlobalSync() {
 
   let active = true
   let projectWritten = false
+  let bootedAt = 0
+  let bootingRoot = false
 
   onCleanup(() => {
     active = false
@@ -258,6 +250,11 @@ function createGlobalSync() {
       const sdk = sdkFor(directory)
       await bootstrapDirectory({
         directory,
+        global: {
+          config: globalStore.config,
+          project: globalStore.project,
+          provider: globalStore.provider,
+        },
         sdk,
         store: child[0],
         setStore: child[1],
@@ -278,15 +275,20 @@ function createGlobalSync() {
   const unsub = globalSDK.event.listen((e) => {
     const directory = e.name
     const event = e.details
+    const recent = bootingRoot || Date.now() - bootedAt < 1500
 
     if (directory === "global") {
       applyGlobalEvent({
         event,
         project: globalStore.project,
-        refresh: queue.refresh,
+        refresh: () => {
+          if (recent) return
+          queue.refresh()
+        },
         setGlobalProject: setProjects,
       })
       if (event.type === "server.connected" || event.type === "global.disposed") {
+        if (recent) return
         for (const directory of Object.keys(children.children)) {
           queue.push(directory)
         }
@@ -325,17 +327,19 @@ function createGlobalSync() {
   })
 
   async function bootstrap() {
-    await bootstrapGlobal({
-      globalSDK: globalSDK.client,
-      connectErrorTitle: language.t("dialog.server.add.error"),
-      connectErrorDescription: language.t("error.globalSync.connectFailed", {
-        url: globalSDK.url,
-      }),
-      requestFailedTitle: language.t("common.requestFailed"),
-      translate: language.t,
-      formatMoreCount: (count) => language.t("common.moreCountSuffix", { count }),
-      setGlobalStore: setBootStore,
-    })
+    bootingRoot = true
+    try {
+      await bootstrapGlobal({
+        globalSDK: globalSDK.client,
+        requestFailedTitle: language.t("common.requestFailed"),
+        translate: language.t,
+        formatMoreCount: (count) => language.t("common.moreCountSuffix", { count }),
+        setGlobalStore: setBootStore,
+      })
+      bootedAt = Date.now()
+    } finally {
+      bootingRoot = false
+    }
   }
 
   onMount(() => {
@@ -392,13 +396,7 @@ const GlobalSyncContext = createContext<ReturnType<typeof createGlobalSync>>()
 
 export function GlobalSyncProvider(props: ParentProps) {
   const value = createGlobalSync()
-  return (
-    <Switch>
-      <Match when={value.ready}>
-        <GlobalSyncContext.Provider value={value}>{props.children}</GlobalSyncContext.Provider>
-      </Match>
-    </Switch>
-  )
+  return <GlobalSyncContext.Provider value={value}>{props.children}</GlobalSyncContext.Provider>
 }
 
 export function useGlobalSync() {
diff --git a/packages/app/src/context/global-sync/bootstrap.ts b/packages/app/src/context/global-sync/bootstrap.ts
index 13494b7ad..47be3abcb 100644
--- a/packages/app/src/context/global-sync/bootstrap.ts
+++ b/packages/app/src/context/global-sync/bootstrap.ts
@@ -31,73 +31,102 @@ type GlobalStore = {
   reload: undefined | "pending" | "complete"
 }
 
+function waitForPaint() {
+  return new Promise<void>((resolve) => {
+    let done = false
+    const finish = () => {
+      if (done) return
+      done = true
+      resolve()
+    }
+    const timer = setTimeout(finish, 50)
+    if (typeof requestAnimationFrame !== "function") return
+    requestAnimationFrame(() => {
+      clearTimeout(timer)
+      finish()
+    })
+  })
+}
+
+function errors(list: PromiseSettledResult<unknown>[]) {
+  return list.filter((item): item is PromiseRejectedResult => item.status === "rejected").map((item) => item.reason)
+}
+
+function runAll(list: Array<() => Promise<unknown>>) {
+  return Promise.allSettled(list.map((item) => item()))
+}
+
+function showErrors(input: {
+  errors: unknown[]
+  title: string
+  translate: (key: string, vars?: Record<string, string | number>) => string
+  formatMoreCount: (count: number) => string
+}) {
+  if (input.errors.length === 0) return
+  const message = formatServerError(input.errors[0], input.translate)
+  const more = input.errors.length > 1 ? input.formatMoreCount(input.errors.length - 1) : ""
+  showToast({
+    variant: "error",
+    title: input.title,
+    description: message + more,
+  })
+}
+
 export async function bootstrapGlobal(input: {
   globalSDK: OpencodeClient
-  connectErrorTitle: string
-  connectErrorDescription: string
   requestFailedTitle: string
   translate: (key: string, vars?: Record<string, string | number>) => string
   formatMoreCount: (count: number) => string
   setGlobalStore: SetStoreFunction<GlobalStore>
 }) {
-  const health = await input.globalSDK.global
-    .health()
-    .then((x) => x.data)
-    .catch(() => undefined)
-  if (!health?.healthy) {
-    showToast({
-      variant: "error",
-      title: input.connectErrorTitle,
-      description: input.connectErrorDescription,
-    })
-    input.setGlobalStore("ready", true)
-    return
-  }
+  const fast = [
+    () =>
+      retry(() =>
+        input.globalSDK.path.get().then((x) => {
+          input.setGlobalStore("path", x.data!)
+        }),
+      ),
+    () =>
+      retry(() =>
+        input.globalSDK.global.config.get().then((x) => {
+          input.setGlobalStore("config", x.data!)
+        }),
+      ),
+    () =>
+      retry(() =>
+        input.globalSDK.provider.list().then((x) => {
+          input.setGlobalStore("provider", normalizeProviderList(x.data!))
+        }),
+      ),
+  ]
 
-  const tasks = [
-    retry(() =>
-      input.globalSDK.path.get().then((x) => {
-        input.setGlobalStore("path", x.data!)
-      }),
-    ),
-    retry(() =>
-      input.globalSDK.global.config.get().then((x) => {
-        input.setGlobalStore("config", x.data!)
-      }),
-    ),
-    retry(() =>
-      input.globalSDK.project.list().then((x) => {
-        const projects = (x.data ?? [])
-          .filter((p) => !!p?.id)
-          .filter((p) => !!p.worktree && !p.worktree.includes("opencode-test"))
-          .slice()
-          .sort((a, b) => cmp(a.id, b.id))
-        input.setGlobalStore("project", projects)
-      }),
-    ),
-    retry(() =>
-      input.globalSDK.provider.list().then((x) => {
-        input.setGlobalStore("provider", normalizeProviderList(x.data!))
-      }),
-    ),
-    retry(() =>
-      input.globalSDK.provider.auth().then((x) => {
-        input.setGlobalStore("provider_auth", x.data ?? {})
-      }),
-    ),
+  const slow = [
+    () =>
+      retry(() =>
+        input.globalSDK.project.list().then((x) => {
+          const projects = (x.data ?? [])
+            .filter((p) => !!p?.id)
+            .filter((p) => !!p.worktree && !p.worktree.includes("opencode-test"))
+            .slice()
+            .sort((a, b) => cmp(a.id, b.id))
+          input.setGlobalStore("project", projects)
+        }),
+      ),
   ]
 
-  const results = await Promise.allSettled(tasks)
-  const errors = results.filter((r): r is PromiseRejectedResult => r.status === "rejected").map((r) => r.reason)
-  if (errors.length) {
-    const message = formatServerError(errors[0], input.translate)
-    const more = errors.length > 1 ? input.formatMoreCount(errors.length - 1) : ""
-    showToast({
-      variant: "error",
-      title: input.requestFailedTitle,
-      description: message + more,
-    })
-  }
+  showErrors({
+    errors: errors(await runAll(fast)),
+    title: input.requestFailedTitle,
+    translate: input.translate,
+    formatMoreCount: input.formatMoreCount,
+  })
+  await waitForPaint()
+  showErrors({
+    errors: errors(await runAll(slow)),
+    title: input.requestFailedTitle,
+    translate: input.translate,
+    formatMoreCount: input.formatMoreCount,
+  })
   input.setGlobalStore("ready", true)
 }
 
@@ -111,6 +140,10 @@ function groupBySession<T extends { id: string; sessionID: string }>(input: T[])
   }, {})
 }
 
+function projectID(directory: string, projects: Project[]) {
+  return projects.find((project) => project.worktree === directory || project.sandboxes?.includes(directory))?.id
+}
+
 export async function bootstrapDirectory(input: {
   directory: string
   sdk: OpencodeClient
@@ -119,88 +152,130 @@ export async function bootstrapDirectory(input: {
   vcsCache: VcsCache
   loadSessions: (directory: string) => Promise<void> | void
   translate: (key: string, vars?: Record<string, string | number>) => string
+  global: {
+    config: Config
+    project: Project[]
+    provider: ProviderListResponse
+  }
 }) {
-  if (input.store.status !== "complete") input.setStore("status", "loading")
-
-  const blockingRequests = {
-    project: () => input.sdk.project.current().then((x) => input.setStore("project", x.data!.id)),
-    provider: () =>
-      input.sdk.provider.list().then((x) => {
-        input.setStore("provider", normalizeProviderList(x.data!))
-      }),
-    agent: () => input.sdk.app.agents().then((x) => input.setStore("agent", x.data ?? [])),
-    config: () => input.sdk.config.get().then((x) => input.setStore("config", x.data!)),
+  const loading = input.store.status !== "complete"
+  const seededProject = projectID(input.directory, input.global.project)
+  if (seededProject) input.setStore("project", seededProject)
+  if (input.store.provider.all.length === 0 && input.global.provider.all.length > 0) {
+    input.setStore("provider", input.global.provider)
+  }
+  if (Object.keys(input.store.config).length === 0 && Object.keys(input.global.config).length > 0) {
+    input.setStore("config", input.global.config)
+  }
+  if (loading) input.setStore("status", "partial")
+
+  const fast = [
+    () =>
+      seededProject
+        ? Promise.resolve()
+        : retry(() => input.sdk.project.current()).then((x) => input.setStore("project", x.data!.id)),
+    () => retry(() => input.sdk.app.agents().then((x) => input.setStore("agent", x.data ?? []))),
+    () => retry(() => input.sdk.config.get().then((x) => input.setStore("config", x.data!))),
+    () =>
+      retry(() =>
+        input.sdk.path.get().then((x) => {
+          input.setStore("path", x.data!)
+          const next = projectID(x.data?.directory ?? input.directory, input.global.project)
+          if (next) input.setStore("project", next)
+        }),
+      ),
+    () => retry(() => input.sdk.session.status().then((x) => input.setStore("session_status", x.data!))),
+    () =>
+      retry(() =>
+        input.sdk.vcs.get().then((x) => {
+          const next = x.data ?? input.store.vcs
+          input.setStore("vcs", next)
+          if (next?.branch) input.vcsCache.setStore("value", next)
+        }),
+      ),
+    () => retry(() => input.sdk.command.list().then((x) => input.setStore("command", x.data ?? []))),
+    () =>
+      retry(() =>
+        input.sdk.permission.list().then((x) => {
+          const grouped = groupBySession(
+            (x.data ?? []).filter((perm): perm is PermissionRequest => !!perm?.id && !!perm.sessionID),
+          )
+          batch(() => {
+            for (const sessionID of Object.keys(input.store.permission)) {
+              if (grouped[sessionID]) continue
+              input.setStore("permission", sessionID, [])
+            }
+            for (const [sessionID, permissions] of Object.entries(grouped)) {
+              input.setStore(
+                "permission",
+                sessionID,
+                reconcile(
+                  permissions.filter((p) => !!p?.id).sort((a, b) => cmp(a.id, b.id)),
+                  { key: "id" },
+                ),
+              )
+            }
+          })
+        }),
+      ),
+    () =>
+      retry(() =>
+        input.sdk.question.list().then((x) => {
+          const grouped = groupBySession((x.data ?? []).filter((q): q is QuestionRequest => !!q?.id && !!q.sessionID))
+          batch(() => {
+            for (const sessionID of Object.keys(input.store.question)) {
+              if (grouped[sessionID]) continue
+              input.setStore("question", sessionID, [])
+            }
+            for (const [sessionID, questions] of Object.entries(grouped)) {
+              input.setStore(
+                "question",
+                sessionID,
+                reconcile(
+                  questions.filter((q) => !!q?.id).sort((a, b) => cmp(a.id, b.id)),
+                  { key: "id" },
+                ),
+              )
+            }
+          })
+        }),
+      ),
+  ]
+
+  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!))),
+  ]
+
+  const errs = errors(await runAll(fast))
+  if (errs.length > 0) {
+    console.error("Failed to bootstrap instance", errs[0])
+    const project = getFilename(input.directory)
+    showToast({
+      variant: "error",
+      title: input.translate("toast.project.reloadFailed.title", { project }),
+      description: formatServerError(errs[0], input.translate),
+    })
   }
 
-  try {
-    await Promise.all(Object.values(blockingRequests).map((p) => retry(p)))
-  } catch (err) {
-    console.error("Failed to bootstrap instance", err)
+  await waitForPaint()
+  const slowErrs = errors(await runAll(slow))
+  if (slowErrs.length > 0) {
+    console.error("Failed to finish bootstrap instance", slowErrs[0])
     const project = getFilename(input.directory)
     showToast({
       variant: "error",
       title: input.translate("toast.project.reloadFailed.title", { project }),
-      description: formatServerError(err, input.translate),
+      description: formatServerError(slowErrs[0], input.translate),
     })
-    input.setStore("status", "partial")
-    return
   }
 
-  if (input.store.status !== "complete") input.setStore("status", "partial")
-
-  Promise.all([
-    input.sdk.path.get().then((x) => input.setStore("path", x.data!)),
-    input.sdk.command.list().then((x) => input.setStore("command", x.data ?? [])),
-    input.sdk.session.status().then((x) => input.setStore("session_status", x.data!)),
-    input.loadSessions(input.directory),
-    input.sdk.mcp.status().then((x) => input.setStore("mcp", x.data!)),
-    input.sdk.lsp.status().then((x) => input.setStore("lsp", x.data!)),
-    input.sdk.vcs.get().then((x) => {
-      const next = x.data ?? input.store.vcs
-      input.setStore("vcs", next)
-      if (next?.branch) input.vcsCache.setStore("value", next)
-    }),
-    input.sdk.permission.list().then((x) => {
-      const grouped = groupBySession(
-        (x.data ?? []).filter((perm): perm is PermissionRequest => !!perm?.id && !!perm.sessionID),
-      )
-      batch(() => {
-        for (const sessionID of Object.keys(input.store.permission)) {
-          if (grouped[sessionID]) continue
-          input.setStore("permission", sessionID, [])
-        }
-        for (const [sessionID, permissions] of Object.entries(grouped)) {
-          input.setStore(
-            "permission",
-            sessionID,
-            reconcile(
-              permissions.filter((p) => !!p?.id).sort((a, b) => cmp(a.id, b.id)),
-              { key: "id" },
-            ),
-          )
-        }
-      })
-    }),
-    input.sdk.question.list().then((x) => {
-      const grouped = groupBySession((x.data ?? []).filter((q): q is QuestionRequest => !!q?.id && !!q.sessionID))
-      batch(() => {
-        for (const sessionID of Object.keys(input.store.question)) {
-          if (grouped[sessionID]) continue
-          input.setStore("question", sessionID, [])
-        }
-        for (const [sessionID, questions] of Object.entries(grouped)) {
-          input.setStore(
-            "question",
-            sessionID,
-            reconcile(
-              questions.filter((q) => !!q?.id).sort((a, b) => cmp(a.id, b.id)),
-              { key: "id" },
-            ),
-          )
-        }
-      })
-    }),
-  ]).then(() => {
-    input.setStore("status", "complete")
-  })
+  if (loading && errs.length === 0 && slowErrs.length === 0) input.setStore("status", "complete")
 }
diff --git a/packages/app/src/context/language.tsx b/packages/app/src/context/language.tsx
index b1edd541c..51dc09cd7 100644
--- a/packages/app/src/context/language.tsx
+++ b/packages/app/src/context/language.tsx
@@ -1,42 +1,10 @@
 import * as i18n from "@solid-primitives/i18n"
-import { createEffect, createMemo } from "solid-js"
+import { createEffect, createMemo, createResource } from "solid-js"
 import { createStore } from "solid-js/store"
 import { createSimpleContext } from "@opencode-ai/ui/context"
 import { Persist, persisted } from "@/utils/persist"
 import { dict as en } from "@/i18n/en"
-import { dict as zh } from "@/i18n/zh"
-import { dict as zht } from "@/i18n/zht"
-import { dict as ko } from "@/i18n/ko"
-import { dict as de } from "@/i18n/de"
-import { dict as es } from "@/i18n/es"
-import { dict as fr } from "@/i18n/fr"
-import { dict as da } from "@/i18n/da"
-import { dict as ja } from "@/i18n/ja"
-import { dict as pl } from "@/i18n/pl"
-import { dict as ru } from "@/i18n/ru"
-import { dict as ar } from "@/i18n/ar"
-import { dict as no } from "@/i18n/no"
-import { dict as br } from "@/i18n/br"
-import { dict as th } from "@/i18n/th"
-import { dict as bs } from "@/i18n/bs"
-import { dict as tr } from "@/i18n/tr"
 import { dict as uiEn } from "@opencode-ai/ui/i18n/en"
-import { dict as uiZh } from "@opencode-ai/ui/i18n/zh"
-import { dict as uiZht } from "@opencode-ai/ui/i18n/zht"
-import { dict as uiKo } from "@opencode-ai/ui/i18n/ko"
-import { dict as uiDe } from "@opencode-ai/ui/i18n/de"
-import { dict as uiEs } from "@opencode-ai/ui/i18n/es"
-import { dict as uiFr } from "@opencode-ai/ui/i18n/fr"
-import { dict as uiDa } from "@opencode-ai/ui/i18n/da"
-import { dict as uiJa } from "@opencode-ai/ui/i18n/ja"
-import { dict as uiPl } from "@opencode-ai/ui/i18n/pl"
-import { dict as uiRu } from "@opencode-ai/ui/i18n/ru"
-import { dict as uiAr } from "@opencode-ai/ui/i18n/ar"
-import { dict as uiNo } from "@opencode-ai/ui/i18n/no"
-import { dict as uiBr } from "@opencode-ai/ui/i18n/br"
-import { dict as uiTh } from "@opencode-ai/ui/i18n/th"
-import { dict as uiBs } from "@opencode-ai/ui/i18n/bs"
-import { dict as uiTr } from "@opencode-ai/ui/i18n/tr"
 
 export type Locale =
   | "en"
@@ -59,6 +27,7 @@ export type Locale =
 
 type RawDictionary = typeof en & typeof uiEn
 type Dictionary = i18n.Flatten<RawDictionary>
+type Source = { dict: Record<string, string> }
 
 function cookie(locale: Locale) {
   return `oc_locale=${encodeURIComponent(locale)}; Path=/; Max-Age=31536000; SameSite=Lax`
@@ -125,24 +94,43 @@ const LABEL_KEY: Record<Locale, keyof Dictionary> = {
 }
 
 const base = i18n.flatten({ ...en, ...uiEn })
-const DICT: Record<Locale, Dictionary> = {
-  en: base,
-  zh: { ...base, ...i18n.flatten({ ...zh, ...uiZh }) },
-  zht: { ...base, ...i18n.flatten({ ...zht, ...uiZht }) },
-  ko: { ...base, ...i18n.flatten({ ...ko, ...uiKo }) },
-  de: { ...base, ...i18n.flatten({ ...de, ...uiDe }) },
-  es: { ...base, ...i18n.flatten({ ...es, ...uiEs }) },
-  fr: { ...base, ...i18n.flatten({ ...fr, ...uiFr }) },
-  da: { ...base, ...i18n.flatten({ ...da, ...uiDa }) },
-  ja: { ...base, ...i18n.flatten({ ...ja, ...uiJa }) },
-  pl: { ...base, ...i18n.flatten({ ...pl, ...uiPl }) },
-  ru: { ...base, ...i18n.flatten({ ...ru, ...uiRu }) },
-  ar: { ...base, ...i18n.flatten({ ...ar, ...uiAr }) },
-  no: { ...base, ...i18n.flatten({ ...no, ...uiNo }) },
-  br: { ...base, ...i18n.flatten({ ...br, ...uiBr }) },
-  th: { ...base, ...i18n.flatten({ ...th, ...uiTh }) },
-  bs: { ...base, ...i18n.flatten({ ...bs, ...uiBs }) },
-  tr: { ...base, ...i18n.flatten({ ...tr, ...uiTr }) },
+const dicts = new Map<Locale, Dictionary>([["en", base]])
+
+const merge = (app: Promise<Source>, ui: Promise<Source>) =>
+  Promise.all([app, ui]).then(([a, b]) => ({ ...base, ...i18n.flatten({ ...a.dict, ...b.dict }) }) as Dictionary)
+
+const loaders: Record<Exclude<Locale, "en">, () => Promise<Dictionary>> = {
+  zh: () => merge(import("@/i18n/zh"), import("@opencode-ai/ui/i18n/zh")),
+  zht: () => merge(import("@/i18n/zht"), import("@opencode-ai/ui/i18n/zht")),
+  ko: () => merge(import("@/i18n/ko"), import("@opencode-ai/ui/i18n/ko")),
+  de: () => merge(import("@/i18n/de"), import("@opencode-ai/ui/i18n/de")),
+  es: () => merge(import("@/i18n/es"), import("@opencode-ai/ui/i18n/es")),
+  fr: () => merge(import("@/i18n/fr"), import("@opencode-ai/ui/i18n/fr")),
+  da: () => merge(import("@/i18n/da"), import("@opencode-ai/ui/i18n/da")),
+  ja: () => merge(import("@/i18n/ja"), import("@opencode-ai/ui/i18n/ja")),
+  pl: () => merge(import("@/i18n/pl"), import("@opencode-ai/ui/i18n/pl")),
+  ru: () => merge(import("@/i18n/ru"), import("@opencode-ai/ui/i18n/ru")),
+  ar: () => merge(import("@/i18n/ar"), import("@opencode-ai/ui/i18n/ar")),
+  no: () => merge(import("@/i18n/no"), import("@opencode-ai/ui/i18n/no")),
+  br: () => merge(import("@/i18n/br"), import("@opencode-ai/ui/i18n/br")),
+  th: () => merge(import("@/i18n/th"), import("@opencode-ai/ui/i18n/th")),
+  bs: () => merge(import("@/i18n/bs"), import("@opencode-ai/ui/i18n/bs")),
+  tr: () => merge(import("@/i18n/tr"), import("@opencode-ai/ui/i18n/tr")),
+}
+
+function loadDict(locale: Locale) {
+  const hit = dicts.get(locale)
+  if (hit) return Promise.resolve(hit)
+  if (locale === "en") return Promise.resolve(base)
+  const load = loaders[locale]
+  return load().then((next: Dictionary) => {
+    dicts.set(locale, next)
+    return next
+  })
+}
+
+export function loadLocaleDict(locale: Locale) {
+  return loadDict(locale).then(() => undefined)
 }
 
 const localeMatchers: Array<{ locale: Locale; match: (language: string) => boolean }> = [
@@ -168,27 +156,6 @@ const localeMatchers: Array<{ locale: Locale; match: (language: string) => boole
   { locale: "tr", match: (language) => language.startsWith("tr") },
 ]
 
-type ParityKey = "command.session.previous.unseen" | "command.session.next.unseen"
-const PARITY_CHECK: Record<Exclude<Locale, "en">, Record<ParityKey, string>> = {
-  zh,
-  zht,
-  ko,
-  de,
-  es,
-  fr,
-  da,
-  ja,
-  pl,
-  ru,
-  ar,
-  no,
-  br,
-  th,
-  bs,
-  tr,
-}
-void PARITY_CHECK
-
 function detectLocale(): Locale {
   if (typeof navigator !== "object") return "en"
 
@@ -203,27 +170,48 @@ function detectLocale(): Locale {
   return "en"
 }
 
-function normalizeLocale(value: string): Locale {
+export function normalizeLocale(value: string): Locale {
   return LOCALES.includes(value as Locale) ? (value as Locale) : "en"
 }
 
+function readStoredLocale() {
+  if (typeof localStorage !== "object") return
+  try {
+    const raw = localStorage.getItem("opencode.global.dat:language")
+    if (!raw) return
+    const next = JSON.parse(raw) as { locale?: string }
+    if (typeof next?.locale !== "string") return
+    return normalizeLocale(next.locale)
+  } catch {
+    return
+  }
+}
+
+const warm = readStoredLocale() ?? detectLocale()
+if (warm !== "en") void loadDict(warm)
+
 export const { use: useLanguage, provider: LanguageProvider } = createSimpleContext({
   name: "Language",
-  init: () => {
+  init: (props: { locale?: Locale }) => {
+    const initial = props.locale ?? readStoredLocale() ?? detectLocale()
     const [store, setStore, _, ready] = persisted(
       Persist.global("language", ["language.v1"]),
       createStore({
-        locale: detectLocale() as Locale,
+        locale: initial,
       }),
     )
 
     const locale = createMemo<Locale>(() => normalizeLocale(store.locale))
-    console.log("locale", locale())
     const intl = createMemo(() => INTL[locale()])
 
-    const dict = createMemo<Dictionary>(() => DICT[locale()])
+    const [dict] = createResource(locale, loadDict, {
+      initialValue: dicts.get(initial) ?? base,
+    })
 
-    const t = i18n.translator(dict, i18n.resolveTemplate)
+    const t = i18n.translator(() => dict() ?? base, i18n.resolveTemplate) as (
+      key: keyof Dictionary,
+      params?: Record<string, string | number | boolean>,
+    ) => string
 
     const label = (value: Locale) => t(LABEL_KEY[value])
 
diff --git a/packages/app/src/context/notification.tsx b/packages/app/src/context/notification.tsx
index 04bc2fdaa..281a1ef33 100644
--- a/packages/app/src/context/notification.tsx
+++ b/packages/app/src/context/notification.tsx
@@ -12,7 +12,7 @@ import { base64Encode } from "@opencode-ai/util/encode"
 import { decode64 } from "@/utils/base64"
 import { EventSessionError } from "@opencode-ai/sdk/v2"
 import { Persist, persisted } from "@/utils/persist"
-import { playSound, soundSrc } from "@/utils/sound"
+import { playSoundById } from "@/utils/sound"
 
 type NotificationBase = {
   directory?: string
@@ -234,7 +234,7 @@ export const { use: useNotification, provider: NotificationProvider } = createSi
         if (session.parentID) return
 
         if (settings.sounds.agentEnabled()) {
-          playSound(soundSrc(settings.sounds.agent()))
+          void playSoundById(settings.sounds.agent())
         }
 
         append({
@@ -263,7 +263,7 @@ export const { use: useNotification, provider: NotificationProvider } = createSi
         if (session?.parentID) return
 
         if (settings.sounds.errorsEnabled()) {
-          playSound(soundSrc(settings.sounds.errors()))
+          void playSoundById(settings.sounds.errors())
         }
 
         const error = "error" in event.properties ? event.properties.error : undefined
diff --git a/packages/app/src/context/settings.tsx b/packages/app/src/context/settings.tsx
index 48788fe8e..eddd752eb 100644
--- a/packages/app/src/context/settings.tsx
+++ b/packages/app/src/context/settings.tsx
@@ -104,6 +104,13 @@ function withFallback<T>(read: () => T | undefined, fallback: T) {
   return createMemo(() => read() ?? fallback)
 }
 
+let font: Promise<typeof import("@opencode-ai/ui/font-loader")> | undefined
+
+function loadFont() {
+  font ??= import("@opencode-ai/ui/font-loader")
+  return font
+}
+
 export const { use: useSettings, provider: SettingsProvider } = createSimpleContext({
   name: "Settings",
   init: () => {
@@ -111,7 +118,11 @@ export const { use: useSettings, provider: SettingsProvider } = createSimpleCont
 
     createEffect(() => {
       if (typeof document === "undefined") return
-      document.documentElement.style.setProperty("--font-family-mono", monoFontFamily(store.appearance?.font))
+      const id = store.appearance?.font ?? defaultSettings.appearance.font
+      if (id !== defaultSettings.appearance.font) {
+        void loadFont().then((x) => x.ensureMonoFont(id))
+      }
+      document.documentElement.style.setProperty("--font-family-mono", monoFontFamily(id))
     })
 
     return {
diff --git a/packages/app/src/context/sync.tsx b/packages/app/src/context/sync.tsx
index 66b889e2a..bbf4fc5ec 100644
--- a/packages/app/src/context/sync.tsx
+++ b/packages/app/src/context/sync.tsx
@@ -180,7 +180,8 @@ export const { use: useSync, provider: SyncProvider } = createSimpleContext({
       return globalSync.child(directory)
     }
     const absolute = (path: string) => (current()[0].path.directory + "/" + path).replace("//", "/")
-    const messagePageSize = 200
+    const initialMessagePageSize = 80
+    const historyMessagePageSize = 200
     const inflight = new Map<string, Promise<void>>()
     const inflightDiff = new Map<string, Promise<void>>()
     const inflightTodo = new Map<string, Promise<void>>()
@@ -463,7 +464,7 @@ export const { use: useSync, provider: SyncProvider } = createSimpleContext({
             const cached = store.message[sessionID] !== undefined && meta.limit[key] !== undefined
             if (cached && hasSession && !opts?.force) return
 
-            const limit = meta.limit[key] ?? messagePageSize
+            const limit = meta.limit[key] ?? initialMessagePageSize
             const sessionReq =
               hasSession && !opts?.force
                 ? Promise.resolve()
@@ -560,7 +561,7 @@ export const { use: useSync, provider: SyncProvider } = createSimpleContext({
             const [, setStore] = globalSync.child(directory)
             touch(directory, setStore, sessionID)
             const key = keyFor(directory, sessionID)
-            const step = count ?? messagePageSize
+            const step = count ?? historyMessagePageSize
             if (meta.loading[key]) return
             if (meta.complete[key]) return
             const before = meta.cursor[key]
diff --git a/packages/app/src/context/terminal-title.ts b/packages/app/src/context/terminal-title.ts
index 3e8fa9af2..c8b18f421 100644
--- a/packages/app/src/context/terminal-title.ts
+++ b/packages/app/src/context/terminal-title.ts
@@ -1,45 +1,18 @@
-import { dict as ar } from "@/i18n/ar"
-import { dict as br } from "@/i18n/br"
-import { dict as bs } from "@/i18n/bs"
-import { dict as da } from "@/i18n/da"
-import { dict as de } from "@/i18n/de"
-import { dict as en } from "@/i18n/en"
-import { dict as es } from "@/i18n/es"
-import { dict as fr } from "@/i18n/fr"
-import { dict as ja } from "@/i18n/ja"
-import { dict as ko } from "@/i18n/ko"
-import { dict as no } from "@/i18n/no"
-import { dict as pl } from "@/i18n/pl"
-import { dict as ru } from "@/i18n/ru"
-import { dict as th } from "@/i18n/th"
-import { dict as tr } from "@/i18n/tr"
-import { dict as zh } from "@/i18n/zh"
-import { dict as zht } from "@/i18n/zht"
+const template = "Terminal {{number}}"
 
-const numbered = Array.from(
-  new Set([
-    en["terminal.title.numbered"],
-    ar["terminal.title.numbered"],
-    br["terminal.title.numbered"],
-    bs["terminal.title.numbered"],
-    da["terminal.title.numbered"],
-    de["terminal.title.numbered"],
-    es["terminal.title.numbered"],
-    fr["terminal.title.numbered"],
-    ja["terminal.title.numbered"],
-    ko["terminal.title.numbered"],
-    no["terminal.title.numbered"],
-    pl["terminal.title.numbered"],
-    ru["terminal.title.numbered"],
-    th["terminal.title.numbered"],
-    tr["terminal.title.numbered"],
-    zh["terminal.title.numbered"],
-    zht["terminal.title.numbered"],
-  ]),
-)
+const numbered = [
+  template,
+  "محطة طرفية {{number}}",
+  "Терминал {{number}}",
+  "ターミナル {{number}}",
+  "터미널 {{number}}",
+  "เทอร์มินัล {{number}}",
+  "终端 {{number}}",
+  "終端機 {{number}}",
+]
 
 export function defaultTitle(number: number) {
-  return en["terminal.title.numbered"].replace("{{number}}", String(number))
+  return template.replace("{{number}}", String(number))
 }
 
 export function isDefaultTitle(title: string, number: number) {