chore(app): refactor for better solidjs hygiene

packages/app/src/components/prompt-input.tsx

@@ -345,6 +345,7 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
       .filter((agent) => !agent.hidden && agent.mode !== "primary")
       .map((agent): AtOption => ({ type: "agent", name: agent.name, display: agent.name })),
   )
+  const agentNames = createMemo(() => local.agent.list().map((agent) => agent.name))
 
   const handleAtSelect = (option: AtOption | undefined) => {
     if (!option) return
@@ -1038,7 +1039,7 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
                   keybind={command.keybind("agent.cycle")}
                 >
                   <Select
-                    options={local.agent.list().map((agent) => agent.name)}
+                    options={agentNames()}
                     current={local.agent.current()?.name ?? ""}
                     onSelect={local.agent.set}
                     class={`capitalize ${local.model.variant.list().length > 0 ? "max-w-full" : "max-w-[120px]"}`}

packages/app/src/components/question-dock.tsx

@@ -7,32 +7,6 @@ import type { QuestionAnswer, QuestionRequest } from "@opencode-ai/sdk/v2"
 import { useLanguage } from "@/context/language"
 import { useSDK } from "@/context/sdk"
 
-const writeAt = <T,>(list: T[], index: number, value: T) => {
-  const next = [...list]
-  next[index] = value
-  return next
-}
-
-const pickAnswer = (list: QuestionAnswer[], index: number, value: string) => {
-  return writeAt(list, index, [value])
-}
-
-const toggleAnswer = (list: QuestionAnswer[], index: number, value: string) => {
-  const current = list[index] ?? []
-  const next = current.includes(value) ? current.filter((item) => item !== value) : [...current, value]
-  return writeAt(list, index, next)
-}
-
-const appendAnswer = (list: QuestionAnswer[], index: number, value: string) => {
-  const current = list[index] ?? []
-  if (current.includes(value)) return list
-  return writeAt(list, index, [...current, value])
-}
-
-const writeCustom = (list: string[], index: number, value: string) => {
-  return writeAt(list, index, value)
-}
-
 export const QuestionDock: Component<{ request: QuestionRequest }> = (props) => {
   const sdk = useSDK()
   const language = useLanguage()
@@ -95,10 +69,10 @@ export const QuestionDock: Component<{ request: QuestionRequest }> = (props) =>
   }
 
   const pick = (answer: string, custom: boolean = false) => {
-    setStore("answers", pickAnswer(store.answers, store.tab, answer))
+    setStore("answers", store.tab, [answer])
 
     if (custom) {
-      setStore("custom", writeCustom(store.custom, store.tab, answer))
+      setStore("custom", store.tab, answer)
     }
 
     if (single()) {
@@ -110,7 +84,10 @@ export const QuestionDock: Component<{ request: QuestionRequest }> = (props) =>
   }
 
   const toggle = (answer: string) => {
-    setStore("answers", toggleAnswer(store.answers, store.tab, answer))
+    setStore("answers", store.tab, (current = []) => {
+      if (current.includes(answer)) return current.filter((item) => item !== answer)
+      return [...current, answer]
+    })
   }
 
   const selectTab = (index: number) => {
@@ -146,7 +123,10 @@ export const QuestionDock: Component<{ request: QuestionRequest }> = (props) =>
     }
 
     if (multi()) {
-      setStore("answers", appendAnswer(store.answers, store.tab, value))
+      setStore("answers", store.tab, (current = []) => {
+        if (current.includes(value)) return current
+        return [...current, value]
+      })
       setStore("editing", false)
       return
     }
@@ -239,7 +219,7 @@ export const QuestionDock: Component<{ request: QuestionRequest }> = (props) =>
                   value={input()}
                   disabled={store.sending}
                   onInput={(e) => {
-                    setStore("custom", writeCustom(store.custom, store.tab, e.currentTarget.value))
+                    setStore("custom", store.tab, e.currentTarget.value)
                   }}
                 />
                 <Button type="submit" variant="primary" size="small" disabled={store.sending}>

packages/app/src/components/session/session-context-tab.tsx

@@ -168,34 +168,27 @@ export function SessionContextTab(props: SessionContextTabProps) {
     return language.t("context.breakdown.other")
   }
 
-  const stats = createMemo(() => {
-    const c = ctx()
-    const count = counts()
-    return [
-      { label: language.t("context.stats.session"), value: props.info()?.title ?? params.id ?? "—" },
-      { label: language.t("context.stats.messages"), value: count.all.toLocaleString(language.locale()) },
-      { label: language.t("context.stats.provider"), value: providerLabel() },
-      { label: language.t("context.stats.model"), value: modelLabel() },
-      { label: language.t("context.stats.limit"), value: formatter().number(c?.limit) },
-      { label: language.t("context.stats.totalTokens"), value: formatter().number(c?.total) },
-      { label: language.t("context.stats.usage"), value: formatter().percent(c?.usage) },
-      { label: language.t("context.stats.inputTokens"), value: formatter().number(c?.input) },
-      { label: language.t("context.stats.outputTokens"), value: formatter().number(c?.output) },
-      { label: language.t("context.stats.reasoningTokens"), value: formatter().number(c?.reasoning) },
-      {
-        label: language.t("context.stats.cacheTokens"),
-        value: `${formatter().number(c?.cacheRead)} / ${formatter().number(c?.cacheWrite)}`,
-      },
-      { label: language.t("context.stats.userMessages"), value: count.user.toLocaleString(language.locale()) },
-      {
-        label: language.t("context.stats.assistantMessages"),
-        value: count.assistant.toLocaleString(language.locale()),
-      },
-      { label: language.t("context.stats.totalCost"), value: cost() },
-      { label: language.t("context.stats.sessionCreated"), value: formatter().time(props.info()?.time.created) },
-      { label: language.t("context.stats.lastActivity"), value: formatter().time(c?.message.time.created) },
-    ] satisfies { label: string; value: JSX.Element }[]
-  })
+  const stats = [
+    { label: "context.stats.session", value: () => props.info()?.title ?? params.id ?? "—" },
+    { label: "context.stats.messages", value: () => counts().all.toLocaleString(language.locale()) },
+    { label: "context.stats.provider", value: providerLabel },
+    { label: "context.stats.model", value: modelLabel },
+    { label: "context.stats.limit", value: () => formatter().number(ctx()?.limit) },
+    { label: "context.stats.totalTokens", value: () => formatter().number(ctx()?.total) },
+    { label: "context.stats.usage", value: () => formatter().percent(ctx()?.usage) },
+    { label: "context.stats.inputTokens", value: () => formatter().number(ctx()?.input) },
+    { label: "context.stats.outputTokens", value: () => formatter().number(ctx()?.output) },
+    { label: "context.stats.reasoningTokens", value: () => formatter().number(ctx()?.reasoning) },
+    {
+      label: "context.stats.cacheTokens",
+      value: () => `${formatter().number(ctx()?.cacheRead)} / ${formatter().number(ctx()?.cacheWrite)}`,
+    },
+    { label: "context.stats.userMessages", value: () => counts().user.toLocaleString(language.locale()) },
+    { label: "context.stats.assistantMessages", value: () => counts().assistant.toLocaleString(language.locale()) },
+    { label: "context.stats.totalCost", value: cost },
+    { label: "context.stats.sessionCreated", value: () => formatter().time(props.info()?.time.created) },
+    { label: "context.stats.lastActivity", value: () => formatter().time(ctx()?.message.time.created) },
+  ] satisfies { label: string; value: () => JSX.Element }[]
 
   let scroll: HTMLDivElement | undefined
   let frame: number | undefined
@@ -257,7 +250,9 @@ export function SessionContextTab(props: SessionContextTabProps) {
     >
       <div class="px-6 pt-4 flex flex-col gap-10">
         <div class="grid grid-cols-1 @[32rem]:grid-cols-2 gap-4">
-          <For each={stats()}>{(stat) => <Stat label={stat.label} value={stat.value} />}</For>
+          <For each={stats}>
+            {(stat) => <Stat label={language.t(stat.label as Parameters<typeof language.t>[0])} value={stat.value()} />}
+          </For>
         </div>
 
         <Show when={breakdown().length > 0}>

packages/app/src/components/session/session-header.tsx

@@ -1,4 +1,4 @@
-import { createEffect, createMemo, onCleanup, Show } from "solid-js"
+import { createEffect, createMemo, For, onCleanup, Show } from "solid-js"
 import { createStore } from "solid-js/store"
 import { Portal } from "solid-js/web"
 import { useParams } from "@solidjs/router"
@@ -404,23 +404,25 @@ export function SessionHeader() {
                                     setPrefs("app", value as OpenApp)
                                   }}
                                 >
-                                  {options().map((o) => (
-                                    <DropdownMenu.RadioItem
-                                      value={o.id}
-                                      onSelect={() => {
-                                        setMenu("open", false)
-                                        openDir(o.id)
-                                      }}
-                                    >
-                                      <div class="flex size-5 shrink-0 items-center justify-center">
-                                        <AppIcon id={o.icon} class={openIconSize(o.icon)} />
-                                      </div>
-                                      <DropdownMenu.ItemLabel>{o.label}</DropdownMenu.ItemLabel>
-                                      <DropdownMenu.ItemIndicator>
-                                        <Icon name="check-small" size="small" class="text-icon-weak" />
-                                      </DropdownMenu.ItemIndicator>
-                                    </DropdownMenu.RadioItem>
-                                  ))}
+                                  <For each={options()}>
+                                    {(o) => (
+                                      <DropdownMenu.RadioItem
+                                        value={o.id}
+                                        onSelect={() => {
+                                          setMenu("open", false)
+                                          openDir(o.id)
+                                        }}
+                                      >
+                                        <div class="flex size-5 shrink-0 items-center justify-center">
+                                          <AppIcon id={o.icon} class={openIconSize(o.icon)} />
+                                        </div>
+                                        <DropdownMenu.ItemLabel>{o.label}</DropdownMenu.ItemLabel>
+                                        <DropdownMenu.ItemIndicator>
+                                          <Icon name="check-small" size="small" class="text-icon-weak" />
+                                        </DropdownMenu.ItemIndicator>
+                                      </DropdownMenu.RadioItem>
+                                    )}
+                                  </For>
                                 </DropdownMenu.RadioGroup>
                               </DropdownMenu.Group>
                               <DropdownMenu.Separator />

packages/app/src/components/status-popover.tsx

@@ -173,20 +173,20 @@ export function StatusPopover() {
   const sortedServers = createMemo(() => listServersByHealth(servers(), server.url, health))
   const mcp = useMcpToggle({ sync, sdk, language })
   const defaultServer = useDefaultServerUrl(platform.getDefaultServerUrl)
-  const mcpItems = createMemo(() =>
-    Object.entries(sync.data.mcp ?? {})
-      .map(([name, status]) => ({ name, status: status.status }))
-      .sort((a, b) => a.name.localeCompare(b.name)),
-  )
-  const mcpConnected = createMemo(() => mcpItems().filter((item) => item.status === "connected").length)
+  const mcpNames = createMemo(() => Object.keys(sync.data.mcp ?? {}).sort((a, b) => a.localeCompare(b)))
+  const mcpStatus = (name: string) => sync.data.mcp?.[name]?.status
+  const mcpConnected = createMemo(() => mcpNames().filter((name) => mcpStatus(name) === "connected").length)
   const lspItems = createMemo(() => sync.data.lsp ?? [])
   const lspCount = createMemo(() => lspItems().length)
   const plugins = createMemo(() => sync.data.config.plugin ?? [])
   const pluginCount = createMemo(() => plugins().length)
   const pluginEmpty = createMemo(() => pluginEmptyMessage(language.t("dialog.plugins.empty"), "opencode.json"))
   const overallHealthy = createMemo(() => {
     const serverHealthy = server.healthy() === true
-    const anyMcpIssue = mcpItems().some((item) => item.status !== "connected" && item.status !== "disabled")
+    const anyMcpIssue = mcpNames().some((name) => {
+      const status = mcpStatus(name)
+      return status !== "connected" && status !== "disabled"
+    })
     return serverHealthy && !anyMcpIssue
   })
 
@@ -306,39 +306,40 @@ export function StatusPopover() {
             <div class="flex flex-col px-2 pb-2">
               <div class="flex flex-col p-3 bg-background-base rounded-sm min-h-14">
                 <Show
-                  when={mcpItems().length > 0}
+                  when={mcpNames().length > 0}
                   fallback={
                     <div class="text-14-regular text-text-base text-center my-auto">
                       {language.t("dialog.mcp.empty")}
                     </div>
                   }
                 >
-                  <For each={mcpItems()}>
-                    {(item) => {
-                      const enabled = () => item.status === "connected"
+                  <For each={mcpNames()}>
+                    {(name) => {
+                      const status = () => mcpStatus(name)
+                      const enabled = () => status() === "connected"
                       return (
                         <button
                           type="button"
                           class="flex items-center gap-2 w-full h-8 pl-3 pr-2 py-1 rounded-md hover:bg-surface-raised-base-hover transition-colors text-left"
-                          onClick={() => mcp.toggle(item.name)}
-                          disabled={mcp.loading() === item.name}
+                          onClick={() => mcp.toggle(name)}
+                          disabled={mcp.loading() === name}
                         >
                           <div
                             classList={{
                               "size-1.5 rounded-full shrink-0": true,
-                              "bg-icon-success-base": item.status === "connected",
-                              "bg-icon-critical-base": item.status === "failed",
-                              "bg-border-weak-base": item.status === "disabled",
+                              "bg-icon-success-base": status() === "connected",
+                              "bg-icon-critical-base": status() === "failed",
+                              "bg-border-weak-base": status() === "disabled",
                               "bg-icon-warning-base":
-                                item.status === "needs_auth" || item.status === "needs_client_registration",
+                                status() === "needs_auth" || status() === "needs_client_registration",
                             }}
                           />
-                          <span class="text-14-regular text-text-base truncate flex-1">{item.name}</span>
+                          <span class="text-14-regular text-text-base truncate flex-1">{name}</span>
                           <div onClick={(event) => event.stopPropagation()}>
                             <Switch
                               checked={enabled()}
-                              disabled={mcp.loading() === item.name}
-                              onChange={() => mcp.toggle(item.name)}
+                              disabled={mcp.loading() === name}
+                              onChange={() => mcp.toggle(name)}
                             />
                           </div>
                         </button>

packages/app/src/context/file/view-cache.ts

@@ -23,6 +23,16 @@ function normalizeSelectedLines(range: SelectedLineRange): SelectedLineRange {
   }
 }
 
+function equalSelectedLines(a: SelectedLineRange | null | undefined, b: SelectedLineRange | null | undefined) {
+  if (!a && !b) return true
+  if (!a || !b) return false
+  const left = normalizeSelectedLines(a)
+  const right = normalizeSelectedLines(b)
+  return (
+    left.start === right.start && left.end === right.end && left.side === right.side && left.endSide === right.endSide
+  )
+}
+
 function createViewSession(dir: string, id: string | undefined) {
   const legacyViewKey = `${dir}/file${id ? "/" + id : ""}.v1`
 
@@ -65,36 +75,36 @@ function createViewSession(dir: string, id: string | undefined) {
   const selectedLines = (path: string) => view.file[path]?.selectedLines
 
   const setScrollTop = (path: string, top: number) => {
-    setView("file", path, (current) => {
-      if (current?.scrollTop === top) return current
-      return {
-        ...(current ?? {}),
-        scrollTop: top,
-      }
-    })
+    setView(
+      produce((draft) => {
+        const file = draft.file[path] ?? (draft.file[path] = {})
+        if (file.scrollTop === top) return
+        file.scrollTop = top
+      }),
+    )
     pruneView(path)
   }
 
   const setScrollLeft = (path: string, left: number) => {
-    setView("file", path, (current) => {
-      if (current?.scrollLeft === left) return current
-      return {
-        ...(current ?? {}),
-        scrollLeft: left,
-      }
-    })
+    setView(
+      produce((draft) => {
+        const file = draft.file[path] ?? (draft.file[path] = {})
+        if (file.scrollLeft === left) return
+        file.scrollLeft = left
+      }),
+    )
     pruneView(path)
   }
 
   const setSelectedLines = (path: string, range: SelectedLineRange | null) => {
     const next = range ? normalizeSelectedLines(range) : null
-    setView("file", path, (current) => {
-      if (current?.selectedLines === next) return current
-      return {
-        ...(current ?? {}),
-        selectedLines: next,
-      }
-    })
+    setView(
+      produce((draft) => {
+        const file = draft.file[path] ?? (draft.file[path] = {})
+        if (equalSelectedLines(file.selectedLines, next)) return
+        file.selectedLines = next
+      }),
+    )
     pruneView(path)
   }
 

packages/app/src/context/global-sync/event-reducer.ts

@@ -233,6 +233,7 @@ export function applyDirectoryEvent(input: {
     }
     case "vcs.branch.updated": {
       const props = event.properties as { branch: string }
+      if (input.store.vcs?.branch === props.branch) break
       const next = { branch: props.branch }
       input.setStore("vcs", next)
       if (input.vcsCache) input.vcsCache.setStore("value", next)