web/src/components/layout/AppShell.tsx

@@ -43,12 +43,22 @@ export function AppShell() {
   // max-w-5xl reading measure the other pages use (#107).
   const canvasRoute = inEditor || inPublicGarden
   const showBottomNav = !!user && !canvasRoute
+  // On a phone the editor is a full-screen canvas, so the global top bar is pure
+  // chrome above the garden — hide it and let the editor's own strip carry the
+  // back link AND the account menu (so sign-out isn't lost). Editor only, not the
+  // public view, which has no strip of its own to fall back on.
+  const hideHeaderOnMobile = inEditor
 
   const visibleSections = sections.filter((s) => !s.adminOnly || user?.isAdmin)
 
   return (
     <div className="flex min-h-full flex-col">
-      <header className="sticky top-0 z-20 border-b border-border bg-surface/90 backdrop-blur">
+      <header
+        className={cn(
+          'sticky top-0 z-20 border-b border-border bg-surface/90 backdrop-blur',
+          hideHeaderOnMobile && 'hidden md:block',
+        )}
+      >
         {/* The bar matches the content width below: constrained on reading pages,
             edge-to-edge on the canvas routes so the brand aligns with the editor. */}
         <nav className={cn('flex items-center gap-4 px-4 py-3', canvasRoute ? '' : 'mx-auto max-w-5xl')}>
@@ -115,8 +125,10 @@ export function AppShell() {
 }
 
 /** Account control: a compact button that toggles a small sign-out popover. On
- *  desktop the display name shows inline; on mobile it lives inside the popover. */
-function AccountMenu({ displayName }: { displayName: string }) {
+ *  desktop the display name shows inline; on mobile it lives inside the popover.
+ *  Exported so the editor's mobile strip can carry it — the global header that
+ *  normally hosts it is hidden there (see hideHeaderOnMobile). */
+export function AccountMenu({ displayName }: { displayName: string }) {
   const logout = useLogout()
   const navigate = useNavigate()
   const [open, setOpen] = useState(false)

web/src/editor/ChatPanel.tsx

@@ -143,7 +143,7 @@ export function ChatPanel({ gardenId, canEdit }: { gardenId: number; canEdit: bo
         </p>
       )}
 
-      <div className="flex min-h-0 flex-1 flex-col gap-2 overflow-y-auto">
+      <div className="flex min-h-0 flex-1 flex-col gap-3 overflow-y-auto">
         {history.isPending && <p className="text-sm text-muted">Loading the conversation…</p>}
         {/* A failed load rendering as an empty thread would look like the
             conversation had been lost, which is a much worse thing to believe. */}

web/src/editor/EditorRail.tsx

@@ -18,10 +18,13 @@ import { cn } from '@/lib/cn'
  *     closes completely when nothing needs it.
  *
  * Layout differs by breakpoint. Desktop: a fixed 20rem column beside the canvas.
- * Phone: an in-flow PEEK (#101) — a ≤50vh panel the editor's flex column places
- * BETWEEN the canvas and the always-visible mode bar, so the canvas shrinks to
- * keep the garden visible above it and the mode bar reachable below, rather than
- * a bottom sheet that covered the whole garden.
+ * Phone: an in-flow PEEK (#101) — a capped-height panel the editor's flex column
+ * places BETWEEN the canvas and the always-visible mode bar, so the canvas
+ * shrinks to keep the garden visible above it and the mode bar reachable below,
+ * rather than a bottom sheet that covered the whole garden. `tall` raises that
+ * cap for panel modes (journal/history/assistant), where reading and typing are
+ * the task and a half-height peek felt cramped; the inspector keeps the shorter
+ * peek so the canvas it describes stays in view.
  */
 
 export interface RailTab {
@@ -38,11 +41,14 @@ export function EditorRail({
   activeId,
   onActivate,
   onClose,
+  tall = false,
 }: {
   tabs: RailTab[]
   activeId: string
   onActivate: (id: string) => void
   onClose: () => void
+  /** Raise the mobile peek's height cap (panel modes want the room). */
+  tall?: boolean
 }) {
   const active = tabs.find((t) => t.id === activeId) ?? tabs[0]
   if (!active) return null
@@ -54,8 +60,12 @@ export function EditorRail({
         // canvas and the always-visible mode bar (the editor's flex column places
         // it there), so the garden stays visible above it and the mode bar stays
         // reachable below. The canvas flexes to fill whatever's left. Desktop: a
-        // fixed-width column beside the canvas.
-        'flex max-h-[50vh] min-h-0 shrink-0 flex-col rounded-t-xl border-t border-border bg-surface shadow-lg',
+        // fixed-width column beside the canvas (the cap doesn't apply there).
+        'flex min-h-0 shrink-0 flex-col rounded-t-xl border-t border-border bg-surface shadow-lg',
+        // dvh, not vh: the enclosing editor column is dvh-bounded, and on mobile
+        // Safari/Chrome vh is the *largest* viewport, so a vh cap could overrun the
+        // visible area and shove the mode bar off-screen (same #85 reasoning).
+        tall ? 'max-h-[78dvh]' : 'max-h-[50dvh]',
         'md:static md:max-h-none md:w-80 md:rounded-xl md:border md:shadow-sm',
       )}
     >

web/src/pages/GardenEditorPage.tsx

@@ -1,5 +1,5 @@
 import { useCallback, useEffect, useMemo, useRef, useState } from 'react'
-import { getRouteApi } from '@tanstack/react-router'
+import { Link, getRouteApi } from '@tanstack/react-router'
 import { Alert } from '@/components/ui/Alert'
 import { Button } from '@/components/ui/Button'
 import { GardenCanvas } from '@/editor/GardenCanvas'
@@ -23,6 +23,7 @@ import { isCoarsePointer } from '@/editor/shared'
 import { cn } from '@/lib/cn'
 import type { EditorGarden } from '@/editor/types'
 import { ShareGardenModal } from '@/components/gardens/ShareGardenModal'
+import { AccountMenu } from '@/components/layout/AppShell'
 import { useMe } from '@/lib/auth'
 import {
   toEditorObject,
@@ -544,8 +545,13 @@ export function GardenEditorPage() {
   // 100dvh, not 100vh: on mobile Safari/Chrome 100vh is the *largest* viewport
   // (URL bar hidden), so with the bar showing the editor overflowed and pushed
   // the canvas bottom + Fit button under the browser chrome (#85).
+  //
+  // The subtracted band differs by breakpoint because the chrome does. On mobile
+  // the global top bar is hidden here (AppShell), so the only thing outside the
+  // editor is <main>'s py-6 — 3rem, top + bottom. On desktop the header is
+  // present, so keep the original 8rem.
   return (
-    <div className="flex h-[calc(100dvh-8rem)] flex-col gap-3 md:flex-row">
+    <div className="flex h-[calc(100dvh-3rem)] flex-col gap-3 md:h-[calc(100dvh-8rem)] md:flex-row">
       {/* Desktop-only control column. On mobile these move to the bottom mode bar
           + a slim top strip so the canvas — the point of the screen — isn't shoved
           into a corner by a stack of controls (#99). */}
@@ -597,8 +603,17 @@ export function GardenEditorPage() {
 
       <div className="relative flex min-h-0 flex-1 flex-col gap-2">
         {/* Mobile top strip: the garden identity / season / share that live in the
-            desktop left column. md:hidden. */}
+            desktop left column, plus the way out. The global header is hidden on
+            mobile here (AppShell), so this leaf is the only route back to the
+            gardens list — it can't be dropped. md:hidden. */}
         <div className="flex items-center gap-2 md:hidden">
+          <Link
+            to="/gardens"
+            aria-label="All gardens"
+            className="-ml-1 shrink-0 rounded-md px-1.5 py-1 text-lg leading-none text-accent-strong outline-none focus-visible:ring-2 focus-visible:ring-accent/40"
+          >
+            🌱
+          </Link>
           <h1 className="min-w-0 flex-1 truncate text-base font-semibold tracking-tight" title={garden.name}>
             {garden.name}
           </h1>
@@ -613,6 +628,10 @@ export function GardenEditorPage() {
               Share
             </Button>
           )}
+          {/* The global header (and its account menu) is hidden on mobile in the
+              editor, so carry sign-out here — otherwise it's unreachable without
+              leaving the garden. */}
+          {me.data && <AccountMenu displayName={me.data.displayName} />}
         </div>
         {seasonYear !== null && <SeasonBanner year={seasonYear} onExit={() => setSeasonYear(null)} />}
         {/* Focus toolbar is desktop-only; on mobile its plant tools move to the
@@ -673,6 +692,9 @@ export function GardenEditorPage() {
           tabs={railTabs}
           activeId={railTab}
           onActivate={setRailTab}
+          // Panel modes want the room; the inspector stays a shorter peek (see the
+          // `tall` prop doc).
+          tall={railTab !== 'inspector'}
           onClose={() => {
             // Only the inspector is *about* the selection, so only closing it
             // deselects; dismissing a panel leaves the canvas as you had it. Any