diff --git a/docs/shared-service.md b/docs/shared-service.md
index d0709bc2f524..e884ba23436a 100644
--- a/docs/shared-service.md
+++ b/docs/shared-service.md
@@ -11,8 +11,11 @@ not create caller-specific Shuvcode configuration domains.
 - The canonical configuration root is `~/.config/opencode`; neither the unit nor
   an interactive shell sets `OPENCODE_CONFIG_DIR`.
 - Shuvcode's normal XDG data and state roots remain canonical for every caller.
-- `~/.config/opencode/service.json` is private mode `0600` and contains the
-  administrator credential used by trusted loopback clients.
+- The channel-specific service files under `~/.config/opencode` and
+  `~/.local/state/opencode` are private mode `0600`. They contain the
+  administrator credential and managed-service registration used by trusted
+  loopback clients. Use `shuvcode service` commands instead of selecting a file
+  by name.
 - Mobile clients receive independently revocable device credentials through
   pairing. A bridge may keep its own client-facing credential domain while
   using the administrator credential on loopback.
@@ -39,10 +42,17 @@ to make a reverse-proxy URL reachable.
 
 Stop dependent callers, back up both configuration roots, and merge the desired
 server configuration into `~/.config/opencode`. Preserve the active service
-password by moving it into the canonical `service.json`, then update dependent
-loopback clients to the same value without printing it. Remove any systemd
-drop-in that sets `OPENCODE_CONFIG_DIR`, reload the user manager, and restart
-Shuvcode before its dependants.
+password through `shuvcode service`, then update dependent loopback clients to
+the same value without printing it. Remove any systemd drop-in that sets
+`OPENCODE_CONFIG_DIR`, reload the user manager, and restart Shuvcode before its
+dependants.
+
+Migrate plugins as part of the configuration merge. A V1-shaped document keeps
+the singular `plugin` field because the V2 loader migrates the whole document;
+a native V2 document uses `plugins`. Do not rename only that field in an
+otherwise V1 document: it will be ignored during migration. Replace legacy
+plugin entrypoints with their V2 server adapters and verify every required
+integration method after restart.
 
 Provider authentication stored only in a legacy credential file is not a V2
 integration connection. Reconnect those providers through the V2 TUI after the
@@ -62,5 +72,8 @@ shuvcode pair
 
 Verify that interactive TUI sessions and paired mobile sessions appear in the
 same session list, and that every configured V2 provider appears through the
-model endpoint. Logs and verification output must not contain administrator
-passwords, invitation tokens, or device credentials.
+model endpoint. For providers supplied by plugins, verify the required login
+methods too; an Anthropic subscription deployment must advertise an OAuth
+method, not only API-key or environment methods. Logs and verification output
+must not contain administrator passwords, invitation tokens, or device
+credentials.
diff --git a/packages/tui/src/component/logo.tsx b/packages/tui/src/component/logo.tsx
index bc24b3c553f9..34bb3a6af853 100644
--- a/packages/tui/src/component/logo.tsx
+++ b/packages/tui/src/component/logo.tsx
@@ -2,7 +2,9 @@ import { RGBA, TextAttributes } from "@opentui/core"
 import { For, type JSX } from "solid-js"
 import { useTheme } from "../context/theme"
 import { tint } from "../theme/color"
-import { logo } from "../logo"
+import { logo } from "../shuv-logo"
+
+export const defaultLogo = logo
 
 export function Logo() {
   const { theme } = useTheme()
@@ -49,11 +51,11 @@ export function Logo() {
 
   return (
     <box>
-      <For each={logo.left}>
+      <For each={defaultLogo.left}>
         {(line, index) => (
           <box flexDirection="row" gap={1}>
             <box flexDirection="row">{renderLine(line, theme.textMuted, false)}</box>
-            <box flexDirection="row">{renderLine(logo.right[index()], theme.text, true)}</box>
+            <box flexDirection="row">{renderLine(defaultLogo.right[index()], theme.text, true)}</box>
           </box>
         )}
       </For>
diff --git a/packages/tui/src/component/prompt/index.tsx b/packages/tui/src/component/prompt/index.tsx
index fb0a6e2fca87..75df6f96d2b4 100644
--- a/packages/tui/src/component/prompt/index.tsx
+++ b/packages/tui/src/component/prompt/index.tsx
@@ -55,6 +55,7 @@ import { useLocation } from "../../context/location"
 import { Keymap, type KeymapCommand } from "../../context/keymap"
 import { contextUsage } from "../../util/session"
 import { abbreviateHome } from "../../runtime"
+import { promptMetadata } from "../../util/responsive"
 
 registerOpencodeSpinner()
 
@@ -257,9 +258,10 @@ export function Prompt(props: PromptProps) {
     ],
   }))
   const [cursorVersion, setCursorVersion] = createSignal(0)
+  const metadata = createMemo(() => promptMetadata(dimensions().width, local.model.parsed().model))
   const currentProviderLabel = createMemo(() => local.model.parsed().provider)
   const connected = useConnected()
-  const hasRightContent = createMemo(() => Boolean(props.right))
+  const hasRightContent = createMemo(() => Boolean(props.right) && !metadata().compact)
 
   function promptModelWarning() {
     toast.show({
@@ -1480,11 +1482,14 @@ export function Prompt(props: PromptProps) {
                           <text
                             flexShrink={0}
                             fg={fadeColor(leader() ? theme.textMuted : theme.text, modelMetaAlpha())}
+                            wrapMode="none"
                           >
-                            {local.model.parsed().model}
+                            {metadata().model}
                           </text>
-                          <text fg={fadeColor(theme.textMuted, modelMetaAlpha())}>{currentProviderLabel()}</text>
-                          <Show when={showVariant()}>
+                          <Show when={!metadata().compact}>
+                            <text fg={fadeColor(theme.textMuted, modelMetaAlpha())}>{currentProviderLabel()}</text>
+                          </Show>
+                          <Show when={showVariant() && !metadata().compact}>
                             <text fg={fadeColor(theme.textMuted, variantMetaAlpha())}>·</text>
                             <text>
                               <span style={{ fg: fadeColor(theme.warning, variantMetaAlpha()), bold: true }}>
@@ -1565,10 +1570,7 @@ export function Prompt(props: PromptProps) {
               </box>
             </Match>
             <Match when={true}>
-              <Show
-                when={!props.hint && locationLabel()}
-                fallback={props.hint ?? <text />}
-              >
+              <Show when={!props.hint && locationLabel()} fallback={props.hint ?? <text />}>
                 {(location) => (
                   <text fg={theme.textMuted} wrapMode="none" truncate flexGrow={1} flexShrink={1}>
                     {location()}
diff --git a/packages/tui/src/config/index.tsx b/packages/tui/src/config/index.tsx
index 46c649fff14a..bcd26c0962e6 100644
--- a/packages/tui/src/config/index.tsx
+++ b/packages/tui/src/config/index.tsx
@@ -96,6 +96,9 @@ export const Info = Schema.Struct({
   ).annotate({ description: "Terminal integration settings" }),
   prompt: Schema.optional(
     Schema.Struct({
+      max_width: Schema.optional(
+        Schema.Union([Schema.Int.check(Schema.isGreaterThan(0)), Schema.Literal("auto")]),
+      ).annotate({ description: "Prompt width in columns; 'auto' follows the terminal width" }),
       editor: Schema.optional(Schema.Boolean).annotate({
         description: "Include the active editor file or selection as prompt context",
       }),
diff --git a/packages/tui/src/feature-plugins/home/footer.tsx b/packages/tui/src/feature-plugins/home/footer.tsx
index 8a1fc02cb2a8..f62e28ad9d18 100644
--- a/packages/tui/src/feature-plugins/home/footer.tsx
+++ b/packages/tui/src/feature-plugins/home/footer.tsx
@@ -6,6 +6,7 @@ import { useTuiPaths } from "../../context/runtime"
 import { useTheme } from "../../context/theme"
 import { abbreviateHome } from "../../runtime"
 import { FilePath } from "../../ui/file-path"
+import { homeFooterLayout } from "../../util/responsive"
 
 function Directory(props: { context: Plugin.Context; maxWidth: number }) {
   const { theme } = useTheme()
@@ -56,6 +57,9 @@ function View(props: { context: Plugin.Context }) {
     const count = list.filter((item) => item.status.status === "connected").length
     return Bun.stringWidth(`⊙ ${count} MCP /status`) + 2
   })
+  const layout = createMemo(() =>
+    homeFooterLayout(dimensions().width, Bun.stringWidth(InstallationVersion), mcpWidth()),
+  )
 
   return (
     <box
@@ -66,13 +70,12 @@ function View(props: { context: Plugin.Context }) {
       paddingRight={2}
       flexDirection="row"
       flexShrink={0}
-      gap={2}
+      gap={layout().gap}
     >
-      <Directory
-        context={props.context}
-        maxWidth={Math.max(2, dimensions().width - 8 - Bun.stringWidth(InstallationVersion) - mcpWidth())}
-      />
-      <Mcp context={props.context} />
+      <Directory context={props.context} maxWidth={layout().directoryWidth} />
+      <Show when={layout().showMcp}>
+        <Mcp context={props.context} />
+      </Show>
       <box flexGrow={1} />
       <box flexShrink={0}>
         <text fg={theme.textMuted}>{InstallationVersion}</text>
diff --git a/packages/tui/src/routes/home.tsx b/packages/tui/src/routes/home.tsx
index 92640c56b323..4f92c48059bc 100644
--- a/packages/tui/src/routes/home.tsx
+++ b/packages/tui/src/routes/home.tsx
@@ -11,6 +11,9 @@ import { useData } from "../context/data"
 import { useLocation } from "../context/location"
 import { FormPrompt } from "./session/form"
 import { PluginSlot } from "../plugin/context"
+import { useTerminalDimensions } from "@opentui/solid"
+import { useConfig } from "../config"
+import { homePromptMaxWidth, showHomeLogo } from "../util/responsive"
 
 let once = false
 const placeholder = {
@@ -28,6 +31,10 @@ export function Home() {
   const editor = useEditorContext()
   const data = useData()
   const location = useLocation()
+  const dimensions = useTerminalDimensions()
+  const config = useConfig().data
+  const promptMaxWidth = createMemo(() => homePromptMaxWidth(dimensions().width, config.prompt?.max_width))
+  const logoVisible = createMemo(() => showHomeLogo(dimensions().width, dimensions().height))
   // Global MCP elicitations can arrive without a session route, so keep them reachable from Home.
   const forms = createMemo(() => data.session.form.list("global", data.location.default()) ?? [])
   let sent = false
@@ -69,13 +76,15 @@ export function Home() {
       <box flexGrow={1} alignItems="center" paddingLeft={2} paddingRight={2}>
         <box flexGrow={1} minHeight={0} />
         <box height={4} minHeight={0} flexShrink={1} />
-        <box flexShrink={0}>
-          <pluginRuntime.Slot name="home_logo" mode="replace">
-            <Logo />
-          </pluginRuntime.Slot>
-        </box>
-        <box height={1} minHeight={0} flexShrink={1} />
-        <box width="100%" maxWidth={75} zIndex={1000} paddingTop={1} flexShrink={0}>
+        <Show when={logoVisible()}>
+          <box flexShrink={0}>
+            <pluginRuntime.Slot name="home_logo" mode="replace">
+              <Logo />
+            </pluginRuntime.Slot>
+          </box>
+          <box height={1} minHeight={0} flexShrink={1} />
+        </Show>
+        <box width="100%" maxWidth={promptMaxWidth()} zIndex={1000} paddingTop={1} flexShrink={0}>
           <pluginRuntime.Slot name="home_prompt" mode="replace" ref={bind}>
             <Prompt
               ref={bind}
diff --git a/packages/tui/src/util/responsive.ts b/packages/tui/src/util/responsive.ts
new file mode 100644
index 000000000000..781ce893d734
--- /dev/null
+++ b/packages/tui/src/util/responsive.ts
@@ -0,0 +1,28 @@
+import { Locale } from "./locale"
+
+export function homePromptMaxWidth(width: number, configured: number | "auto" | undefined) {
+  const available = Math.max(1, width - 4)
+  if (configured === "auto") return Math.min(available, Math.max(40, Math.floor(width * 0.7)))
+  return Math.min(available, configured ?? 75)
+}
+
+export function showHomeLogo(width: number, height: number) {
+  return width >= 80 && height >= 24
+}
+
+export function homeFooterLayout(width: number, versionWidth: number, mcpWidth: number) {
+  const compact = width < 70
+  return {
+    directoryWidth: Math.max(2, width - 8 - versionWidth - (compact ? 0 : mcpWidth)),
+    gap: compact ? 1 : 2,
+    showMcp: !compact,
+  }
+}
+
+export function promptMetadata(width: number, model: string) {
+  const compact = width < 70
+  return {
+    compact,
+    model: compact ? Locale.truncate(model, Math.max(8, width - 28)) : model,
+  }
+}
diff --git a/packages/tui/test/logo.test.ts b/packages/tui/test/logo.test.ts
new file mode 100644
index 000000000000..d3b3e351f884
--- /dev/null
+++ b/packages/tui/test/logo.test.ts
@@ -0,0 +1,7 @@
+import { expect, test } from "bun:test"
+import { defaultLogo } from "../src/component/logo"
+import { logo } from "../src/shuv-logo"
+
+test("the default home logo uses the shuvcode wordmark", () => {
+  expect(defaultLogo).toEqual(logo)
+})
diff --git a/packages/tui/test/responsive.test.ts b/packages/tui/test/responsive.test.ts
new file mode 100644
index 000000000000..e9d549a796f1
--- /dev/null
+++ b/packages/tui/test/responsive.test.ts
@@ -0,0 +1,33 @@
+import { describe, expect, test } from "bun:test"
+import { homeFooterLayout, homePromptMaxWidth, promptMetadata, showHomeLogo } from "../src/util/responsive"
+
+describe("responsive TUI layout", () => {
+  test("clamps the home prompt to the terminal content width", () => {
+    expect(homePromptMaxWidth(60, undefined)).toBe(56)
+    expect(homePromptMaxWidth(120, undefined)).toBe(75)
+    expect(homePromptMaxWidth(100, "auto")).toBe(70)
+    expect(homePromptMaxWidth(30, "auto")).toBe(26)
+  })
+
+  test("hides the home logo when either terminal dimension is constrained", () => {
+    expect(showHomeLogo(80, 24)).toBe(true)
+    expect(showHomeLogo(79, 24)).toBe(false)
+    expect(showHomeLogo(80, 23)).toBe(false)
+  })
+
+  test("hides MCP status and budgets the footer directory on narrow terminals", () => {
+    expect(homeFooterLayout(60, 12, 18)).toEqual({ directoryWidth: 40, gap: 1, showMcp: false })
+    expect(homeFooterLayout(100, 12, 18)).toEqual({ directoryWidth: 62, gap: 2, showMcp: true })
+  })
+
+  test("compacts long model metadata below 70 columns", () => {
+    expect(promptMetadata(69, "anthropic/claude-opus-4-very-long-model-name")).toEqual({
+      compact: true,
+      model: "anthropic/claude-opus-4-very-long-model-\u2026",
+    })
+    expect(promptMetadata(70, "anthropic/claude-opus-4-very-long-model-name")).toEqual({
+      compact: false,
+      model: "anthropic/claude-opus-4-very-long-model-name",
+    })
+  })
+})