diff --git a/Makefile b/Makefile
index e9f416a..5f319f1 100644
--- a/Makefile
+++ b/Makefile
@@ -20,7 +20,7 @@ dev: deps
 
 # Production build
 build: deps
-	$(WAILS) build
+	$(WAILS) build -ldflags "-s -w"
 
 # Run tests
 test:
diff --git a/README.md b/README.md
index 2cb110e..7dba755 100644
--- a/README.md
+++ b/README.md
@@ -31,20 +31,20 @@ Prefer a one-off session? Use **Cmd+Shift+Q** / **Ctrl+Shift+Q** to quick connec
 
 All shortcuts use **Cmd** on macOS and **Ctrl** on Windows/Linux.
 
-| Shortcut          | Action                            |
-| ----------------- | --------------------------------- |
-| Cmd + K           | Open command palette              |
-| Cmd + N           | New connection                    |
-| Cmd + W           | Close current tab                 |
-| Cmd + Tab         | Next tab                          |
-| Cmd + Shift + Tab | Previous tab                      |
-| Cmd + 1–9         | Switch to tab by number           |
-| Cmd + ,           | Open settings                     |
-| Cmd + F           | Find in terminal                  |
-| Cmd + Shift + D   | Split pane vertically             |
-| Cmd + Shift + E   | Split pane horizontally           |
-| Cmd + Shift + R   | Toggle session recording          |
-| Cmd + Shift + B   | Toggle broadcast input mode       |
-| Cmd + Shift + S   | Open snippet library              |
-| Cmd + Shift + Q   | Quick connect                     |
-| F11               | Toggle fullscreen (Windows/Linux) |
+| macOS Shortcut | Windows/Linux Shortcut | Action                            |
+| ------------- | ----------------------- | --------------------------------- |
+| Cmd + K       | Ctrl + K                 | Open command palette              |
+| Cmd + N       | Ctrl + N                 | New connection                    |
+| Cmd + W       | Ctrl + W                 | Close current tab                 |
+| Cmd + Tab     | Ctrl + Tab               | Next tab                          |
+| Cmd + Shift + Tab | Ctrl + Shift + Tab   | Previous tab                      |
+| Cmd + 1–9     | Ctrl + 1–9               | Switch to tab by number           |
+| Cmd + ,       | Ctrl + ,                 | Open settings                     |
+| Cmd + F       | Ctrl + F                 | Find in terminal                  |
+| Cmd + Shift + D | Ctrl + Shift + D       | Split pane vertically             |
+| Cmd + Shift + E | Ctrl + Shift + E       | Split pane horizontally           |
+| Cmd + Shift + R | Ctrl + Shift + R       | Toggle session recording          |
+| Cmd + Shift + B | Ctrl + Shift + B       | Toggle broadcast input mode       |
+| Cmd + Shift + S | Ctrl + Shift + S       | Open snippet library              |
+| Cmd + Shift + Q | Ctrl + Shift + Q       | Quick connect                     |
+| F11           | F11                      | Toggle fullscreen                 |
diff --git a/build-all.sh b/build-all.sh
index 3ac9f57..5a639b9 100755
--- a/build-all.sh
+++ b/build-all.sh
@@ -94,9 +94,9 @@ build_target() {
 
     log "Building ${platform}…"
     if [ -n "$cc" ]; then
-        CC="$cc" CGO_ENABLED=1 wails build -platform "$platform"
+        CC="$cc" CGO_ENABLED=1 wails build -platform "$platform" -ldflags "-s -w"
     else
-        CGO_ENABLED=1 wails build -platform "$platform"
+        CGO_ENABLED=1 wails build -platform "$platform" -ldflags "-s -w"
     fi
 }
 
diff --git a/build.ps1 b/build.ps1
index 9e72d22..509493e 100644
--- a/build.ps1
+++ b/build.ps1
@@ -61,7 +61,7 @@ function Build {
 
     $env:CGO_ENABLED = '1'
     Write-Info 'Building production binary (CGO_ENABLED=1)...'
-    & $wailsPath build
+    & $wailsPath build -ldflags "-s -w"
     Write-Info 'Build complete: build\bin\'
 }
 
diff --git a/build.sh b/build.sh
index 6ec2112..a8ab195 100755
--- a/build.sh
+++ b/build.sh
@@ -62,7 +62,7 @@ build() {
     check_deps
     install_deps
     log "Building production binary…"
-    wails build
+    wails build -ldflags "-s -w"
     log "Build complete: build/bin/"
 }
 
diff --git a/docs/quick-start.md b/docs/quick-start.md
index 2773605..55502e6 100644
--- a/docs/quick-start.md
+++ b/docs/quick-start.md
@@ -14,9 +14,9 @@ One-off session? Use **Cmd+Shift+Q** / **Ctrl+Shift+Q** for quick connect.
 ## Daily workflow
 
 - **Tabs and splits**: Drag tabs to reorder, and split the workspace to view multiple sessions at once.
-- **Broadcast input**: Toggle with **Cmd+Shift+B** to send the same command to all connected sessions.
+- **Broadcast input**: Toggle with **Cmd+Shift+B** (macOS) or **Ctrl+Shift+B** (Windows/Linux) to send the same command to all connected sessions.
 - **Snippets**: Save common commands and run them with one click.
-- **Search**: Press **Cmd+F** to search within the active terminal.
+- **Search**: Press **Cmd+F** (macOS) or **Ctrl+F** (Windows/Linux) to search within the active terminal.
 
 ## File transfers on SSH
 
@@ -42,18 +42,18 @@ The upload picker lists folders only and marks permissions:
 
 ## Common shortcuts
 
-| Shortcut          | Action                      |
-| ----------------- | --------------------------- |
-| Cmd + K           | Command palette             |
-| Cmd + N           | New connection              |
-| Cmd + W           | Close tab                   |
-| Cmd + F           | Find in terminal            |
-| Cmd + Shift + S   | Snippet library             |
-| Cmd + Shift + B   | Broadcast input             |
-| Cmd + Shift + Q   | Quick connect               |
-| Cmd + Shift + R   | Toggle session recording    |
-| Cmd + Shift + D   | Split pane vertically       |
-| Cmd + Shift + E   | Split pane horizontally     |
+| macOS Shortcut | Windows/Linux Shortcut | Action                   |
+| ------------- | ----------------------- | ------------------------ |
+| Cmd + K       | Ctrl + K                 | Command palette          |
+| Cmd + N       | Ctrl + N                 | New connection           |
+| Cmd + W       | Ctrl + W                 | Close tab                |
+| Cmd + F       | Ctrl + F                 | Find in terminal         |
+| Cmd + Shift + S | Ctrl + Shift + S        | Snippet library          |
+| Cmd + Shift + B | Ctrl + Shift + B        | Broadcast input          |
+| Cmd + Shift + Q | Ctrl + Shift + Q        | Quick connect            |
+| Cmd + Shift + R | Ctrl + Shift + R        | Toggle session recording |
+| Cmd + Shift + D | Ctrl + Shift + D        | Split pane vertically    |
+| Cmd + Shift + E | Ctrl + Shift + E        | Split pane horizontally  |
 
 ## Need more detail?
 
diff --git a/docs/user-manual.md b/docs/user-manual.md
index f9ffc08..43a2cb1 100644
--- a/docs/user-manual.md
+++ b/docs/user-manual.md
@@ -122,7 +122,7 @@ Screenshot: Terminal context menu and search bar.
 
 ### Search
 
-Press **Cmd+F** to search in the active terminal. Toggle case sensitivity and regular expressions as needed.
+Press **Cmd+F** (macOS) or **Ctrl+F** (Windows/Linux) to search in the active terminal. Toggle case sensitivity and regular expressions as needed.
 
 ---
 
@@ -130,13 +130,13 @@ Press **Cmd+F** to search in the active terminal. Toggle case sensitivity and re
 
 ### Snippets
 
-Open the snippet library with **Cmd+Shift+S** and save frequently-used commands. Send a snippet to the active session with one click.
+Open the snippet library with **Cmd+Shift+S** (macOS) or **Ctrl+Shift+S** (Windows/Linux) and save frequently-used commands. Send a snippet to the active session with one click.
 
 Screenshot: Snippet library with search and folder grouping.
 
 ### Broadcast input
 
-Toggle broadcast mode with **Cmd+Shift+B**. While active, all input is sent to every connected session.
+Toggle broadcast mode with **Cmd+Shift+B** (macOS) or **Ctrl+Shift+B** (Windows/Linux). While active, all input is sent to every connected session.
 
 ---
 
@@ -184,7 +184,7 @@ Tip: Use the filter box to jump quickly to common folders.
 
 ## 10. Session recordings
 
-Toggle recording with **Cmd+Shift+R**. Recordings are saved as asciicast v2 files and can be replayed from the recordings panel.
+Toggle recording with **Cmd+Shift+R** (macOS) or **Ctrl+Shift+R** (Windows/Linux). Recordings are saved as asciicast v2 files and can be replayed from the recordings panel.
 
 Screenshot: Recordings list with playback controls.
 
@@ -216,7 +216,7 @@ Screenshot: TOTP configuration in the profile editor.
 
 ## 12. Settings
 
-Open settings with **Cmd+,** and configure:
+Open settings with **Cmd+,** (macOS) or **Ctrl+,** (Windows/Linux) and configure:
 
 - Terminal themes and fonts
 - Default behaviours
diff --git a/frontend/src/css/forms.css b/frontend/src/css/forms.css
index d01e720..1aa68a3 100644
--- a/frontend/src/css/forms.css
+++ b/frontend/src/css/forms.css
@@ -459,6 +459,13 @@
     color: var(--danger);
 }
 
+.form-success {
+    font-size: var(--text-xs);
+    color: var(--success);
+    margin-top: var(--space-1);
+    line-height: var(--leading-relaxed);
+}
+
 /* -----------------------------------------------------------------------
    Toggle wrapper — label + toggle switch in a row
    ----------------------------------------------------------------------- */
@@ -684,6 +691,21 @@
     flex: 1;
 }
 
+/* SSH key path row */
+.key-path-row {
+    display: flex;
+    gap: var(--space-2);
+    align-items: center;
+}
+
+.key-path-row .form-input {
+    flex: 1;
+}
+
+.jump-hosts-list .form-error {
+    margin-bottom: var(--space-2);
+}
+
 .totp-toggle,
 .totp-test,
 .totp-save,
diff --git a/frontend/src/css/modals.css b/frontend/src/css/modals.css
index 6483cbf..0a8e81e 100644
--- a/frontend/src/css/modals.css
+++ b/frontend/src/css/modals.css
@@ -8,140 +8,148 @@
    Modal backdrop
    ----------------------------------------------------------------------- */
 .modal-backdrop {
-    position: fixed;
-    inset: 0;
-    z-index: var(--z-modal-backdrop);
-    background: rgba(10, 10, 20, 0.60);
-    backdrop-filter: blur(2px);
-    opacity: 0;
-    visibility: hidden;
-    transition:
-        opacity var(--transition-normal),
-        visibility var(--transition-normal);
+  position: fixed;
+  inset: 0;
+  z-index: var(--z-modal-backdrop);
+  background: rgba(10, 10, 20, 0.6);
+  backdrop-filter: blur(2px);
+  opacity: 0;
+  visibility: hidden;
+  transition:
+    opacity var(--transition-normal),
+    visibility var(--transition-normal);
 }
 
 .modal-backdrop.is-visible {
-    opacity: 1;
-    visibility: visible;
+  opacity: 1;
+  visibility: visible;
 }
 
 /* -----------------------------------------------------------------------
    Modal (centred panel)
    ----------------------------------------------------------------------- */
 .modal {
-    position: fixed;
-    z-index: var(--z-modal);
-    top: 50%;
-    left: 50%;
-    transform: translate(-50%, -50%) scale(0.96);
-    width: 480px;
-    max-width: calc(100vw - var(--space-8));
-    max-height: calc(100vh - var(--space-8));
-    display: flex;
-    flex-direction: column;
-    background: var(--bg-elevated);
-    border: 1px solid var(--border-default);
-    border-radius: var(--radius-xl);
-    box-shadow: var(--shadow-xl);
-    opacity: 0;
-    visibility: hidden;
-    transition:
-        opacity var(--transition-normal),
-        visibility var(--transition-normal),
-        transform var(--transition-normal);
+  position: fixed;
+  z-index: var(--z-modal);
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%) scale(0.96);
+  width: 480px;
+  max-width: calc(100vw - var(--space-8));
+  max-height: calc(100vh - var(--space-8));
+  display: flex;
+  flex-direction: column;
+  background: var(--bg-elevated);
+  border: 1px solid var(--border-default);
+  border-radius: var(--radius-xl);
+  box-shadow: var(--shadow-xl);
+  opacity: 0;
+  visibility: hidden;
+  transition:
+    opacity var(--transition-normal),
+    visibility var(--transition-normal),
+    transform var(--transition-normal);
 }
 
 .modal.is-visible {
-    opacity: 1;
-    visibility: visible;
-    transform: translate(-50%, -50%) scale(1);
+  opacity: 1;
+  visibility: visible;
+  transform: translate(-50%, -50%) scale(1);
 }
 
 /* Size variants */
-.modal-sm { width: 360px; }
-.modal-lg { width: 640px; }
-.modal-xl { width: 800px; }
+.modal-sm {
+  width: 360px;
+}
+.modal-lg {
+  width: 640px;
+}
+.modal-xl {
+  width: 800px;
+}
 
 .modal-header {
-    display: flex;
-    align-items: center;
-    gap: var(--space-3);
-    padding: var(--space-4) var(--space-5);
-    border-bottom: 1px solid var(--border-subtle);
-    flex-shrink: 0;
+  display: flex;
+  align-items: center;
+  gap: var(--space-3);
+  padding: var(--space-4) var(--space-5);
+  border-bottom: 1px solid var(--border-subtle);
+  flex-shrink: 0;
 }
 
 .modal-header-icon {
-    width: 20px;
-    height: 20px;
-    flex-shrink: 0;
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    font-size: var(--text-lg);
-    color: var(--text-tertiary);
+  width: 20px;
+  height: 20px;
+  flex-shrink: 0;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-size: var(--text-lg);
+  color: var(--text-tertiary);
 }
 
 .modal-title {
-    flex: 1;
-    font-size: var(--text-md);
-    font-weight: var(--weight-semibold);
-    color: var(--text-primary);
+  flex: 1;
+  font-size: var(--text-md);
+  font-weight: var(--weight-semibold);
+  color: var(--text-primary);
 }
 
 .modal-close {
-    width: 28px;
-    height: 28px;
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    border-radius: var(--radius-md);
-    font-size: var(--text-md);
-    color: var(--text-tertiary);
-    cursor: pointer;
-    transition: background var(--transition-fast), color var(--transition-fast);
-    flex-shrink: 0;
+  width: 28px;
+  height: 28px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: var(--radius-md);
+  font-size: var(--text-md);
+  color: var(--text-tertiary);
+  cursor: pointer;
+  transition:
+    background var(--transition-fast),
+    color var(--transition-fast);
+  flex-shrink: 0;
 }
 .modal-close:hover {
-    background: var(--bg-hover);
-    color: var(--text-primary);
+  background: var(--bg-hover);
+  color: var(--text-primary);
 }
 
 .modal-body {
-    flex: 1;
-    overflow-y: auto;
-    padding: var(--space-5);
+  flex: 1;
+  overflow-y: auto;
+  padding: var(--space-5);
 }
 
 .modal-body.sftp-picker-body {
-    display: flex;
-    flex-direction: column;
-    padding: 0;
-    min-height: 320px;
+  display: flex;
+  flex-direction: column;
+  padding: 0;
+  min-height: 320px;
 }
 
 .modal-body p {
-    font-size: var(--text-sm);
-    color: var(--text-secondary);
-    line-height: var(--leading-relaxed);
+  font-size: var(--text-sm);
+  color: var(--text-secondary);
+  line-height: var(--leading-relaxed);
 }
 
 .modal-body p + p {
-    margin-top: var(--space-3);
+  margin-top: var(--space-3);
 }
 
 .modal-footer {
-    display: flex;
-    align-items: center;
-    justify-content: flex-end;
-    gap: var(--space-2);
-    padding: var(--space-3) var(--space-5);
-    border-top: 1px solid var(--border-subtle);
-    flex-shrink: 0;
+  display: flex;
+  align-items: center;
+  justify-content: flex-end;
+  gap: var(--space-2);
+  padding: var(--space-3) var(--space-5);
+  border-top: 1px solid var(--border-subtle);
+  flex-shrink: 0;
 }
 
 .modal-footer-left {
-    margin-right: auto;
+  margin-right: auto;
 }
 
 /* -----------------------------------------------------------------------
@@ -149,703 +157,732 @@
    Used for the profile editor.
    ----------------------------------------------------------------------- */
 .drawer-backdrop {
-    position: fixed;
-    inset: 0;
-    z-index: var(--z-modal-backdrop);
-    background: rgba(10, 10, 20, 0.50);
-    opacity: 0;
-    visibility: hidden;
-    transition:
-        opacity var(--transition-normal),
-        visibility var(--transition-normal);
+  position: fixed;
+  inset: 0;
+  z-index: var(--z-modal-backdrop);
+  background: rgba(10, 10, 20, 0.5);
+  opacity: 0;
+  visibility: hidden;
+  transition:
+    opacity var(--transition-normal),
+    visibility var(--transition-normal);
 }
 
 .drawer-backdrop.is-visible {
-    opacity: 1;
-    visibility: visible;
+  opacity: 1;
+  visibility: visible;
 }
 
 .drawer {
-    position: fixed;
-    z-index: var(--z-modal);
-    top: 0;
-    right: 0;
-    width: 480px;
-    max-width: 100vw;
-    height: 100vh;
-    display: flex;
-    flex-direction: column;
-    background: var(--bg-elevated);
-    border-left: 1px solid var(--border-default);
-    box-shadow: var(--shadow-xl);
-    transform: translateX(100%);
-    transition: transform var(--transition-slow);
+  position: fixed;
+  z-index: var(--z-modal);
+  top: 0;
+  right: 0;
+  width: 480px;
+  max-width: 100vw;
+  height: 100vh;
+  display: flex;
+  flex-direction: column;
+  background: var(--bg-elevated);
+  border-left: 1px solid var(--border-default);
+  box-shadow: var(--shadow-xl);
+  transform: translateX(100%);
+  transition: transform var(--transition-slow);
 }
 
 .drawer.is-visible {
-    transform: translateX(0);
+  transform: translateX(0);
 }
 
 /* Drawer width variants */
-.drawer-wide { width: 560px; }
-.drawer-narrow { width: 380px; }
+.drawer-wide {
+  width: 560px;
+}
+.drawer-narrow {
+  width: 380px;
+}
 
 .drawer-header {
-    display: flex;
-    align-items: center;
-    gap: var(--space-3);
-    padding: var(--space-4) var(--space-5);
-    border-bottom: 1px solid var(--border-subtle);
-    flex-shrink: 0;
+  display: flex;
+  align-items: center;
+  gap: var(--space-3);
+  padding: var(--space-4) var(--space-5);
+  border-bottom: 1px solid var(--border-subtle);
+  flex-shrink: 0;
 }
 
 .drawer-title {
-    flex: 1;
-    font-size: var(--text-md);
-    font-weight: var(--weight-semibold);
-    color: var(--text-primary);
+  flex: 1;
+  font-size: var(--text-md);
+  font-weight: var(--weight-semibold);
+  color: var(--text-primary);
 }
 
 .drawer-close {
-    width: 28px;
-    height: 28px;
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    border-radius: var(--radius-md);
-    font-size: var(--text-md);
-    color: var(--text-tertiary);
-    cursor: pointer;
-    transition: background var(--transition-fast), color var(--transition-fast);
-    flex-shrink: 0;
+  width: 28px;
+  height: 28px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: var(--radius-md);
+  font-size: var(--text-md);
+  color: var(--text-tertiary);
+  cursor: pointer;
+  transition:
+    background var(--transition-fast),
+    color var(--transition-fast);
+  flex-shrink: 0;
 }
 .drawer-close:hover {
-    background: var(--bg-hover);
-    color: var(--text-primary);
+  background: var(--bg-hover);
+  color: var(--text-primary);
 }
 
 .drawer-body {
-    flex: 1;
-    overflow-y: auto;
-    padding: var(--space-5);
+  flex: 1;
+  overflow-y: auto;
+  padding: var(--space-5);
 }
 
 .drawer-footer {
-    display: flex;
-    align-items: center;
-    justify-content: flex-end;
-    gap: var(--space-2);
-    padding: var(--space-3) var(--space-5);
-    border-top: 1px solid var(--border-subtle);
-    flex-shrink: 0;
+  display: flex;
+  align-items: center;
+  justify-content: flex-end;
+  gap: var(--space-2);
+  padding: var(--space-3) var(--space-5);
+  border-top: 1px solid var(--border-subtle);
+  flex-shrink: 0;
 }
 
 /* Protocol selector tabs inside the drawer */
 .drawer-protocol-tabs {
-    display: flex;
-    gap: 0;
-    padding: 0 var(--space-5);
-    border-bottom: 1px solid var(--border-subtle);
-    flex-shrink: 0;
+  display: flex;
+  gap: 0;
+  padding: 0 var(--space-5);
+  border-bottom: 1px solid var(--border-subtle);
+  flex-shrink: 0;
 }
 
 .drawer-proto-tab {
-    position: relative;
-    padding: var(--space-2) var(--space-4);
-    background: none;
-    border: none;
-    color: var(--text-secondary);
-    font-size: var(--text-sm);
-    font-weight: var(--weight-medium);
-    cursor: pointer;
-    letter-spacing: 0.04em;
-    transition: color var(--transition-fast);
+  position: relative;
+  padding: var(--space-2) var(--space-4);
+  background: none;
+  border: none;
+  color: var(--text-secondary);
+  font-size: var(--text-sm);
+  font-weight: var(--weight-medium);
+  cursor: pointer;
+  letter-spacing: 0.04em;
+  transition: color var(--transition-fast);
 }
 
 .drawer-proto-tab:hover {
-    color: var(--text-primary);
+  color: var(--text-primary);
 }
 
 .drawer-proto-tab.active {
-    color: var(--accent);
+  color: var(--accent);
 }
 
 .drawer-proto-tab.active::after {
-    content: '';
-    position: absolute;
-    bottom: -1px;
-    left: var(--space-2);
-    right: var(--space-2);
-    height: 2px;
-    background: var(--accent);
-    border-radius: 1px;
+  content: "";
+  position: absolute;
+  bottom: -1px;
+  left: var(--space-2);
+  right: var(--space-2);
+  height: 2px;
+  background: var(--accent);
+  border-radius: 1px;
 }
 
 /* Settings tab bar */
 .settings-tab-bar {
-    display: flex;
-    gap: 0;
-    padding: 0 var(--space-5);
-    border-bottom: 1px solid var(--border-subtle);
-    flex-shrink: 0;
+  display: flex;
+  gap: 0;
+  padding: 0 var(--space-5);
+  border-bottom: 1px solid var(--border-subtle);
+  flex-shrink: 0;
 }
 
 .settings-tab {
-    position: relative;
-    padding: var(--space-2) var(--space-3);
-    background: none;
-    border: none;
-    color: var(--text-secondary);
-    font-size: var(--text-sm);
-    font-weight: var(--weight-medium);
-    cursor: pointer;
-    transition: color var(--transition-fast);
+  position: relative;
+  padding: var(--space-2) var(--space-3);
+  background: none;
+  border: none;
+  color: var(--text-secondary);
+  font-size: var(--text-sm);
+  font-weight: var(--weight-medium);
+  cursor: pointer;
+  transition: color var(--transition-fast);
 }
 
 .settings-tab:hover {
-    color: var(--text-primary);
+  color: var(--text-primary);
 }
 
 .settings-tab.active {
-    color: var(--accent);
+  color: var(--accent);
 }
 
 .settings-tab.active::after {
-    content: '';
-    position: absolute;
-    bottom: -1px;
-    left: var(--space-1);
-    right: var(--space-1);
-    height: 2px;
-    background: var(--accent);
-    border-radius: 1px;
+  content: "";
+  position: absolute;
+  bottom: -1px;
+  left: var(--space-1);
+  right: var(--space-1);
+  height: 2px;
+  background: var(--accent);
+  border-radius: 1px;
 }
 
 .settings-body {
-    padding: var(--space-5);
+  padding: var(--space-5);
 }
 
 /* Help tab — two-column layout with navigation sidebar */
 .settings-body.help-layout {
-    display: flex;
-    gap: 0;
-    padding: 0;
-    overflow: hidden;
+  display: flex;
+  gap: 0;
+  padding: 0;
+  overflow: hidden;
 }
 
 .help-nav {
-    width: 180px;
-    min-width: 160px;
-    flex-shrink: 0;
-    display: flex;
-    flex-direction: column;
-    padding: var(--space-2) 0;
-    border-right: 1px solid var(--border-subtle);
-    overflow-y: auto;
-    background: var(--bg-surface);
+  width: 180px;
+  min-width: 160px;
+  flex-shrink: 0;
+  display: flex;
+  flex-direction: column;
+  padding: var(--space-2) 0;
+  border-right: 1px solid var(--border-subtle);
+  overflow-y: auto;
+  background: var(--bg-surface);
 }
 
 .help-nav-item {
-    display: block;
-    width: 100%;
-    padding: var(--space-2) var(--space-4);
-    font-size: var(--text-sm);
-    color: var(--text-secondary);
-    background: none;
-    border: none;
-    text-align: left;
-    cursor: pointer;
-    transition: background var(--transition-fast), color var(--transition-fast);
-    border-left: 2px solid transparent;
+  display: block;
+  width: 100%;
+  padding: var(--space-2) var(--space-4);
+  font-size: var(--text-sm);
+  color: var(--text-secondary);
+  background: none;
+  border: none;
+  text-align: left;
+  cursor: pointer;
+  transition:
+    background var(--transition-fast),
+    color var(--transition-fast);
+  border-left: 2px solid transparent;
 }
 
 .help-nav-item:hover {
-    background: var(--bg-hover);
-    color: var(--text-primary);
+  background: var(--bg-hover);
+  color: var(--text-primary);
 }
 
 .help-nav-item.active {
-    color: var(--accent);
-    background: var(--bg-elevated);
-    border-left-color: var(--accent);
-    font-weight: var(--weight-medium);
+  color: var(--accent);
+  background: var(--bg-elevated);
+  border-left-color: var(--accent);
+  font-weight: var(--weight-medium);
 }
 
 .help-content {
-    flex: 1;
-    padding: var(--space-4) var(--space-5);
-    overflow-y: auto;
-    min-width: 0;
-    font-size: var(--text-sm);
-    line-height: 1.65;
-    color: var(--text-secondary);
+  flex: 1;
+  padding: var(--space-4) var(--space-5);
+  overflow-y: auto;
+  min-width: 0;
+  font-size: var(--text-sm);
+  line-height: 1.65;
+  color: var(--text-secondary);
 }
 
 .help-section-title {
-    font-size: var(--text-lg);
-    font-weight: var(--weight-semibold);
-    color: var(--text-primary);
-    margin: 0 0 var(--space-3) 0;
-    padding-bottom: var(--space-2);
-    border-bottom: 1px solid var(--border-subtle);
+  font-size: var(--text-lg);
+  font-weight: var(--weight-semibold);
+  color: var(--text-primary);
+  margin: 0 0 var(--space-3) 0;
+  padding-bottom: var(--space-2);
+  border-bottom: 1px solid var(--border-subtle);
 }
 
 .help-content h4 {
-    font-size: var(--text-sm);
-    font-weight: var(--weight-semibold);
-    color: var(--text-primary);
-    margin: var(--space-4) 0 var(--space-2) 0;
+  font-size: var(--text-sm);
+  font-weight: var(--weight-semibold);
+  color: var(--text-primary);
+  margin: var(--space-4) 0 var(--space-2) 0;
 }
 
 .help-content p {
-    margin: 0 0 var(--space-2) 0;
+  margin: 0 0 var(--space-2) 0;
 }
 
-.help-content ul, .help-content ol {
-    margin: 0 0 var(--space-3) 0;
-    padding-left: var(--space-5);
+.help-content ul,
+.help-content ol {
+  margin: 0 0 var(--space-3) 0;
+  padding-left: var(--space-5);
 }
 
 .help-content li {
-    margin-bottom: var(--space-1);
+  margin-bottom: var(--space-1);
 }
 
 .help-content code {
-    font-family: 'Menlo', 'Consolas', 'Courier New', monospace;
-    font-size: 0.9em;
-    background: var(--bg-base);
-    padding: 1px 5px;
-    border-radius: var(--radius-sm);
-    color: var(--accent);
+  font-family: "Menlo", "Consolas", "Courier New", monospace;
+  font-size: 0.9em;
+  background: var(--bg-base);
+  padding: 1px 5px;
+  border-radius: var(--radius-sm);
+  color: var(--accent);
 }
 
 .help-content kbd {
-    display: inline-block;
-    font-family: 'Menlo', 'Consolas', 'Courier New', monospace;
-    font-size: 0.8em;
-    padding: 1px 5px;
-    background: var(--bg-base);
-    border: 1px solid var(--border-default);
-    border-radius: var(--radius-sm);
-    color: var(--text-primary);
-    box-shadow: 0 1px 0 var(--border-strong, var(--border-default));
-    line-height: 1.4;
+  display: inline-block;
+  font-family: "Menlo", "Consolas", "Courier New", monospace;
+  font-size: 0.8em;
+  padding: 1px 5px;
+  background: var(--bg-base);
+  border: 1px solid var(--border-default);
+  border-radius: var(--radius-sm);
+  color: var(--text-primary);
+  box-shadow: 0 1px 0 var(--border-strong, var(--border-default));
+  line-height: 1.4;
 }
 
 .help-content em {
-    color: var(--text-tertiary);
-    font-style: italic;
+  color: var(--text-tertiary);
+  font-style: italic;
 }
 
 .help-content strong {
-    color: var(--text-primary);
-    font-weight: var(--weight-medium);
+  color: var(--text-primary);
+  font-weight: var(--weight-medium);
 }
 
 .help-shortcuts-table {
-    width: 100%;
-    border-collapse: collapse;
-    margin: var(--space-2) 0 var(--space-3) 0;
+  width: 100%;
+  border-collapse: collapse;
+  margin: var(--space-2) 0 var(--space-3) 0;
 }
 
 .help-shortcuts-table td {
-    padding: var(--space-1) var(--space-2);
-    border-bottom: 1px solid var(--border-subtle);
-    font-size: var(--text-sm);
+  padding: var(--space-1) var(--space-2);
+  border-bottom: 1px solid var(--border-subtle);
+  font-size: var(--text-sm);
 }
 
 .help-shortcuts-table td:first-child {
-    width: 140px;
-    white-space: nowrap;
-    color: var(--text-primary);
+  width: 140px;
+  white-space: nowrap;
+  color: var(--text-primary);
 }
 
 /* Command palette */
 .palette-overlay {
-    position: fixed;
-    inset: 0;
-    z-index: var(--z-modal-backdrop);
-    background: rgba(10, 10, 20, 0.50);
-    display: flex;
-    align-items: flex-start;
-    justify-content: center;
-    padding-top: 20vh;
+  position: fixed;
+  inset: 0;
+  z-index: var(--z-modal-backdrop);
+  background: rgba(10, 10, 20, 0.5);
+  display: flex;
+  align-items: flex-start;
+  justify-content: center;
+  padding-top: 20vh;
 }
 
 .palette {
-    width: 520px;
-    max-width: calc(100vw - var(--space-8));
-    max-height: 400px;
-    display: flex;
-    flex-direction: column;
-    background: var(--bg-elevated);
-    border: 1px solid var(--border-default);
-    border-radius: var(--radius-xl);
-    box-shadow: var(--shadow-xl);
-    overflow: hidden;
+  width: 520px;
+  max-width: calc(100vw - var(--space-8));
+  max-height: 400px;
+  display: flex;
+  flex-direction: column;
+  background: var(--bg-elevated);
+  border: 1px solid var(--border-default);
+  border-radius: var(--radius-xl);
+  box-shadow: var(--shadow-xl);
+  overflow: hidden;
 }
 
 .palette-input {
-    width: 100%;
-    padding: var(--space-3) var(--space-4);
-    background: transparent;
-    border: none;
-    border-bottom: 1px solid var(--border-subtle);
-    color: var(--text-primary);
-    font-size: var(--text-base);
-    outline: none;
+  width: 100%;
+  padding: var(--space-3) var(--space-4);
+  background: transparent;
+  border: none;
+  border-bottom: 1px solid var(--border-subtle);
+  color: var(--text-primary);
+  font-size: var(--text-base);
+  outline: none;
 }
 
 .palette-list {
-    flex: 1;
-    overflow-y: auto;
-    padding: var(--space-1) 0;
+  flex: 1;
+  overflow-y: auto;
+  padding: var(--space-1) 0;
 }
 
 .palette-item {
-    display: flex;
-    align-items: center;
-    gap: var(--space-3);
-    padding: var(--space-2) var(--space-4);
-    cursor: pointer;
-    transition: background var(--transition-fast);
+  display: flex;
+  align-items: center;
+  gap: var(--space-3);
+  padding: var(--space-2) var(--space-4);
+  cursor: pointer;
+  transition: background var(--transition-fast);
 }
 
 .palette-item:hover,
 .palette-item-active {
-    background: var(--bg-hover);
+  background: var(--bg-hover);
 }
 
 .palette-item-label {
-    flex: 1;
-    font-size: var(--text-sm);
-    color: var(--text-primary);
+  flex: 1;
+  font-size: var(--text-sm);
+  color: var(--text-primary);
 }
 
 .palette-item-detail {
-    font-size: var(--text-xs);
-    color: var(--text-tertiary);
+  font-size: var(--text-xs);
+  color: var(--text-tertiary);
 }
 
 .palette-item-shortcut {
-    font-size: var(--text-xs);
-    color: var(--text-tertiary);
-    background: var(--bg-surface);
-    padding: var(--space-half) var(--space-1);
-    border-radius: var(--radius-sm);
-    font-family: var(--font-mono);
+  font-size: var(--text-xs);
+  color: var(--text-tertiary);
+  background: var(--bg-surface);
+  padding: var(--space-half) var(--space-1);
+  border-radius: var(--radius-sm);
+  font-family: var(--font-mono);
 }
 
 .palette-section {
-    padding: var(--space-1) var(--space-4);
-    font-size: var(--text-xs);
-    font-weight: var(--weight-semibold);
-    color: var(--text-tertiary);
-    text-transform: uppercase;
-    letter-spacing: 0.06em;
+  padding: var(--space-1) var(--space-4);
+  font-size: var(--text-xs);
+  font-weight: var(--weight-semibold);
+  color: var(--text-tertiary);
+  text-transform: uppercase;
+  letter-spacing: 0.06em;
 }
 
 .palette-empty {
-    padding: var(--space-6) var(--space-4);
-    text-align: center;
-    font-size: var(--text-sm);
-    color: var(--text-tertiary);
+  padding: var(--space-6) var(--space-4);
+  text-align: center;
+  font-size: var(--text-sm);
+  color: var(--text-tertiary);
 }
 
 /* -----------------------------------------------------------------------
    Confirmation dialog
    ----------------------------------------------------------------------- */
 .confirm-dialog {
-    width: 400px;
+  width: 400px;
 }
 
 .confirm-dialog .modal-body {
-    text-align: center;
-    padding: var(--space-6) var(--space-5);
+  text-align: center;
+  padding: var(--space-6) var(--space-5);
 }
 
 .confirm-dialog-icon {
-    width: 48px;
-    height: 48px;
-    margin: 0 auto var(--space-4);
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    border-radius: 50%;
-    font-size: var(--text-2xl);
+  width: 48px;
+  height: 48px;
+  margin: 0 auto var(--space-4);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: 50%;
+  font-size: var(--text-2xl);
 }
 
 .confirm-dialog-icon.is-warning {
-    background: rgba(255, 167, 38, 0.12);
-    color: var(--warning);
+  background: rgba(255, 167, 38, 0.12);
+  color: var(--warning);
 }
 
 .confirm-dialog-icon.is-danger {
-    background: rgba(239, 83, 80, 0.12);
-    color: var(--error);
+  background: rgba(239, 83, 80, 0.12);
+  color: var(--error);
 }
 
 .confirm-dialog-icon.is-info {
-    background: rgba(66, 165, 245, 0.12);
-    color: var(--info);
+  background: rgba(66, 165, 245, 0.12);
+  color: var(--info);
 }
 
 .confirm-dialog-message {
-    font-size: var(--text-sm);
-    color: var(--text-secondary);
-    line-height: var(--leading-relaxed);
-    max-width: 300px;
-    margin: 0 auto;
+  font-size: var(--text-sm);
+  color: var(--text-secondary);
+  line-height: var(--leading-relaxed);
+  max-width: 300px;
+  margin: 0 auto;
 }
 
 /* -----------------------------------------------------------------------
    Host key verification dialog
    ----------------------------------------------------------------------- */
 .hostkey-dialog {
-    width: 520px;
+  width: 520px;
 }
 
 .hostkey-fingerprint {
-    font-family: var(--font-mono);
-    font-size: var(--text-sm);
-    color: var(--text-primary);
-    background: var(--bg-input);
-    padding: var(--space-3) var(--space-4);
-    border-radius: var(--radius-md);
-    border: 1px solid var(--border-subtle);
-    word-break: break-all;
-    line-height: var(--leading-relaxed);
-    margin: var(--space-3) 0;
+  font-family: var(--font-mono);
+  font-size: var(--text-sm);
+  color: var(--text-primary);
+  background: var(--bg-input);
+  padding: var(--space-3) var(--space-4);
+  border-radius: var(--radius-md);
+  border: 1px solid var(--border-subtle);
+  word-break: break-all;
+  line-height: var(--leading-relaxed);
+  margin: var(--space-3) 0;
 }
 
 .hostkey-fingerprint-label {
-    font-size: var(--text-xs);
-    font-weight: var(--weight-semibold);
-    color: var(--text-tertiary);
-    text-transform: uppercase;
-    letter-spacing: 0.05em;
-    margin-bottom: var(--space-1);
+  font-size: var(--text-xs);
+  font-weight: var(--weight-semibold);
+  color: var(--text-tertiary);
+  text-transform: uppercase;
+  letter-spacing: 0.05em;
+  margin-bottom: var(--space-1);
 }
 
 .hostkey-mismatch-warning {
-    display: flex;
-    align-items: flex-start;
-    gap: var(--space-3);
-    padding: var(--space-3) var(--space-4);
-    background: rgba(239, 83, 80, 0.08);
-    border: 1px solid rgba(239, 83, 80, 0.20);
-    border-radius: var(--radius-md);
-    margin: var(--space-3) 0;
+  display: flex;
+  align-items: flex-start;
+  gap: var(--space-3);
+  padding: var(--space-3) var(--space-4);
+  background: rgba(239, 83, 80, 0.08);
+  border: 1px solid rgba(239, 83, 80, 0.2);
+  border-radius: var(--radius-md);
+  margin: var(--space-3) 0;
 }
 
 .hostkey-mismatch-warning .warning-icon {
-    font-size: var(--text-lg);
-    color: var(--error);
-    flex-shrink: 0;
-    line-height: 1;
-    margin-top: 2px;
+  font-size: var(--text-lg);
+  color: var(--error);
+  flex-shrink: 0;
+  line-height: 1;
+  margin-top: 2px;
 }
 
 .hostkey-mismatch-warning p {
-    font-size: var(--text-sm);
-    color: var(--text-secondary);
-    line-height: var(--leading-relaxed);
+  font-size: var(--text-sm);
+  color: var(--text-secondary);
+  line-height: var(--leading-relaxed);
 }
 
 /* -----------------------------------------------------------------------
    Settings modal
    ----------------------------------------------------------------------- */
 .settings-modal {
-    width: 640px;
-    max-height: 80vh;
+  width: 640px;
+  max-height: 80vh;
 }
 
 .settings-nav {
-    display: flex;
-    gap: 1px;
-    background: var(--border-subtle);
-    border-radius: var(--radius-md);
-    overflow: hidden;
-    margin-bottom: var(--space-4);
+  display: flex;
+  gap: 1px;
+  background: var(--border-subtle);
+  border-radius: var(--radius-md);
+  overflow: hidden;
+  margin-bottom: var(--space-4);
 }
 
 .settings-nav-item {
-    flex: 1;
-    padding: var(--space-2) var(--space-3);
-    font-size: var(--text-sm);
-    font-weight: var(--weight-medium);
-    color: var(--text-tertiary);
-    text-align: center;
-    background: var(--bg-surface);
-    border: none;
-    cursor: pointer;
-    transition: background var(--transition-fast), color var(--transition-fast);
+  flex: 1;
+  padding: var(--space-2) var(--space-3);
+  font-size: var(--text-sm);
+  font-weight: var(--weight-medium);
+  color: var(--text-tertiary);
+  text-align: center;
+  background: var(--bg-surface);
+  border: none;
+  cursor: pointer;
+  transition:
+    background var(--transition-fast),
+    color var(--transition-fast);
 }
 
 .settings-nav-item:hover {
-    color: var(--text-secondary);
+  color: var(--text-secondary);
 }
 
 .settings-nav-item.active {
-    background: var(--bg-active);
-    color: var(--text-primary);
+  background: var(--bg-active);
+  color: var(--text-primary);
 }
 
 .settings-section {
-    margin-bottom: var(--space-6);
+  margin-bottom: var(--space-6);
 }
 
 .settings-section-title {
-    font-size: var(--text-sm);
-    font-weight: var(--weight-semibold);
-    color: var(--text-primary);
-    margin-bottom: var(--space-3);
-    padding-bottom: var(--space-2);
-    border-bottom: 1px solid var(--border-subtle);
+  font-size: var(--text-sm);
+  font-weight: var(--weight-semibold);
+  color: var(--text-primary);
+  margin-bottom: var(--space-3);
+  padding-bottom: var(--space-2);
+  border-bottom: 1px solid var(--border-subtle);
 }
 
 /* -----------------------------------------------------------------------
    Known hosts viewer
    ----------------------------------------------------------------------- */
 .known-hosts-modal {
-    width: 700px;
+  width: 700px;
 }
 
 .known-hosts-list {
-    display: flex;
-    flex-direction: column;
-    gap: 1px;
+  display: flex;
+  flex-direction: column;
+  gap: 1px;
 }
 
 .known-hosts-item {
-    display: grid;
-    grid-template-columns: 1fr 140px 60px;
-    gap: var(--space-3);
-    align-items: center;
-    padding: var(--space-2) var(--space-3);
-    font-size: var(--text-sm);
-    background: var(--bg-surface);
-    border-radius: var(--radius-sm);
-    transition: background var(--transition-fast);
+  display: grid;
+  grid-template-columns: 1fr 140px 60px;
+  gap: var(--space-3);
+  align-items: center;
+  padding: var(--space-2) var(--space-3);
+  font-size: var(--text-sm);
+  background: var(--bg-surface);
+  border-radius: var(--radius-sm);
+  transition: background var(--transition-fast);
 }
 
 .known-hosts-item:hover {
-    background: var(--bg-hover);
+  background: var(--bg-hover);
 }
 
 .known-hosts-hostname {
-    font-family: var(--font-mono);
-    font-weight: var(--weight-medium);
-    color: var(--text-primary);
-    overflow: hidden;
-    text-overflow: ellipsis;
-    white-space: nowrap;
+  font-family: var(--font-mono);
+  font-weight: var(--weight-medium);
+  color: var(--text-primary);
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
 }
 
 .known-hosts-type {
-    font-size: var(--text-xs);
-    color: var(--text-tertiary);
+  font-size: var(--text-xs);
+  color: var(--text-tertiary);
 }
 
 .known-hosts-actions {
-    display: flex;
-    justify-content: flex-end;
+  display: flex;
+  justify-content: flex-end;
 }
 
 .known-hosts-empty {
-    padding: var(--space-8);
-    text-align: center;
-    font-size: var(--text-sm);
-    color: var(--text-tertiary);
+  padding: var(--space-8);
+  text-align: center;
+  font-size: var(--text-sm);
+  color: var(--text-tertiary);
 }
 
 /* -----------------------------------------------------------------------
    Quick connect popover
    ----------------------------------------------------------------------- */
 .quick-connect {
-    width: 360px;
+  width: 360px;
 }
 
 .quick-connect .modal-body {
-    padding: var(--space-4);
+  padding: var(--space-4);
 }
 
 .quick-connect-input {
-    width: 100%;
-    height: 36px;
-    padding: 0 var(--space-3);
-    font-family: var(--font-mono);
-    font-size: var(--text-sm);
-    color: var(--text-primary);
-    background: var(--bg-input);
-    border: 1px solid var(--border-default);
-    border-radius: var(--radius-md);
+  width: 100%;
+  height: 36px;
+  padding: 0 var(--space-3);
+  font-family: var(--font-mono);
+  font-size: var(--text-sm);
+  color: var(--text-primary);
+  background: var(--bg-input);
+  border: 1px solid var(--border-default);
+  border-radius: var(--radius-md);
 }
 
 .quick-connect-input::placeholder {
-    color: var(--text-disabled);
-    font-family: var(--font-sans);
+  color: var(--text-disabled);
+  font-family: var(--font-sans);
 }
 
 .quick-connect-input:focus {
-    border-color: var(--accent);
-    box-shadow: 0 0 0 2px var(--accent-muted);
-    outline: none;
+  border-color: var(--accent);
+  box-shadow: 0 0 0 2px var(--accent-muted);
+  outline: none;
 }
 
 .quick-connect-help {
-    font-size: var(--text-xs);
-    color: var(--text-tertiary);
-    margin-top: var(--space-2);
-    line-height: var(--leading-relaxed);
+  font-size: var(--text-xs);
+  color: var(--text-tertiary);
+  margin-top: var(--space-2);
+  line-height: var(--leading-relaxed);
 }
 
 .quick-connect-help code {
-    font-size: var(--text-xs);
-    color: var(--text-secondary);
-    background: var(--bg-overlay);
-    padding: 1px 4px;
-    border-radius: 2px;
+  font-size: var(--text-xs);
+  color: var(--text-secondary);
+  background: var(--bg-overlay);
+  padding: 1px 4px;
+  border-radius: 2px;
 }
 
 /* -----------------------------------------------------------------------
    Password strength meter
    ----------------------------------------------------------------------- */
 .password-strength-meter {
-    display: flex;
-    align-items: center;
-    gap: var(--space-2);
-    margin-bottom: var(--space-2);
+  display: flex;
+  align-items: center;
+  gap: var(--space-2);
+  margin-bottom: var(--space-2);
 }
 
 .strength-bar {
-    flex: 1;
-    height: 4px;
-    background: var(--surface-2);
-    border-radius: 2px;
-    overflow: hidden;
+  flex: 1;
+  height: 4px;
+  background: var(--surface-2);
+  border-radius: 2px;
+  overflow: hidden;
 }
 
 .strength-fill {
-    height: 100%;
-    width: 0;
-    border-radius: 2px;
-    transition: width 0.3s ease, background-color 0.3s ease;
+  height: 100%;
+  width: 0;
+  border-radius: 2px;
+  transition:
+    width 0.3s ease,
+    background-color 0.3s ease;
 }
 
-.strength-fill.strength-weak   { background: var(--error); }
-.strength-fill.strength-fair   { background: var(--warning); }
-.strength-fill.strength-good   { background: #66bb6a; }
-.strength-fill.strength-strong { background: var(--success); }
+.strength-fill.strength-weak {
+  background: var(--error);
+}
+.strength-fill.strength-fair {
+  background: var(--warning);
+}
+.strength-fill.strength-good {
+  background: #66bb6a;
+}
+.strength-fill.strength-strong {
+  background: var(--success);
+}
 
 .strength-label {
-    font-size: var(--text-xs);
-    font-weight: 500;
-    min-width: 48px;
-    text-align: right;
+  font-size: var(--text-xs);
+  font-weight: 500;
+  min-width: 48px;
+  text-align: right;
 }
 
-.strength-label.strength-weak   { color: var(--error); }
-.strength-label.strength-fair   { color: var(--warning); }
-.strength-label.strength-good   { color: #66bb6a; }
-.strength-label.strength-strong { color: var(--success); }
+.strength-label.strength-weak {
+  color: var(--error);
+}
+.strength-label.strength-fair {
+  color: var(--warning);
+}
+.strength-label.strength-good {
+  color: #66bb6a;
+}
+.strength-label.strength-strong {
+  color: var(--success);
+}
diff --git a/frontend/src/css/sftp.css b/frontend/src/css/sftp.css
index 9d52ea9..902dcab 100644
--- a/frontend/src/css/sftp.css
+++ b/frontend/src/css/sftp.css
@@ -7,407 +7,415 @@
    Panel wrapper — overlays the terminal from the right side
    ----------------------------------------------------------------------- */
 .sftp-panel {
-    position: absolute;
-    top: 0;
-    right: 0;
-    bottom: 0;
-    width: 300px;
-    min-width: 220px;
-    max-width: 50vw;
-    display: flex;
-    flex-direction: column;
-    background: var(--bg-surface);
-    border-left: 1px solid var(--border-subtle);
-    overflow: hidden;
-    z-index: var(--z-dropdown, 50);
-    box-shadow: -4px 0 16px rgba(0, 0, 0, 0.25);
+  position: absolute;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  width: 300px;
+  min-width: 220px;
+  max-width: 50vw;
+  display: flex;
+  flex-direction: column;
+  background: var(--bg-surface);
+  border-left: 1px solid var(--border-subtle);
+  overflow: hidden;
+  z-index: var(--z-dropdown, 50);
+  box-shadow: -4px 0 16px rgba(0, 0, 0, 0.25);
 }
 
 /* Resize handle — positioned at the left edge of the SFTP panel */
 .sftp-resize-handle {
-    position: absolute;
-    top: 0;
-    left: -3px;
-    bottom: 0;
-    width: 6px;
-    cursor: col-resize;
-    background: transparent;
-    z-index: var(--z-dropdown, 50);
-    transition: background var(--transition-fast);
+  position: absolute;
+  top: 0;
+  left: -3px;
+  bottom: 0;
+  width: 6px;
+  cursor: col-resize;
+  background: transparent;
+  z-index: var(--z-dropdown, 50);
+  transition: background var(--transition-fast);
 }
 
 .sftp-resize-handle:hover,
 .sftp-resize-handle.is-dragging {
-    background: var(--accent);
+  background: var(--accent);
 }
 
 /* -----------------------------------------------------------------------
    Toolbar (top bar with path breadcrumb + action buttons)
    ----------------------------------------------------------------------- */
 .sftp-toolbar {
-    display: flex;
-    align-items: center;
-    gap: var(--space-1);
-    padding: var(--space-1) var(--space-2);
-    border-bottom: 1px solid var(--border-subtle);
-    background: var(--bg-elevated);
-    flex-shrink: 0;
-    min-height: 34px;
+  display: flex;
+  align-items: center;
+  gap: var(--space-1);
+  padding: var(--space-1) var(--space-2);
+  border-bottom: 1px solid var(--border-subtle);
+  background: var(--bg-elevated);
+  flex-shrink: 0;
+  min-height: 34px;
 }
 
 .sftp-toolbar-actions {
-    display: flex;
-    align-items: center;
-    gap: 2px;
-    flex-shrink: 0;
+  display: flex;
+  align-items: center;
+  gap: 2px;
+  flex-shrink: 0;
 }
 
 .sftp-toolbar-btn {
-    width: 26px;
-    height: 26px;
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    border: none;
-    background: none;
-    color: var(--text-tertiary);
-    border-radius: var(--radius-sm);
-    cursor: pointer;
-    font-size: var(--text-sm);
-    transition: background var(--transition-fast), color var(--transition-fast);
-    flex-shrink: 0;
-    padding: 0;
+  width: 26px;
+  height: 26px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border: none;
+  background: none;
+  color: var(--text-tertiary);
+  border-radius: var(--radius-sm);
+  cursor: pointer;
+  font-size: var(--text-sm);
+  transition:
+    background var(--transition-fast),
+    color var(--transition-fast);
+  flex-shrink: 0;
+  padding: 0;
 }
 
 .sftp-toolbar-btn:hover {
-    background: var(--bg-hover);
-    color: var(--text-primary);
+  background: var(--bg-hover);
+  color: var(--text-primary);
 }
 
 .sftp-toolbar-btn.is-accent:hover {
-    color: var(--accent);
+  color: var(--accent);
 }
 
 .sftp-toolbar-btn.is-close:hover {
-    color: var(--error);
+  color: var(--error);
 }
 
 /* -----------------------------------------------------------------------
    Breadcrumb path
    ----------------------------------------------------------------------- */
 .sftp-breadcrumb {
-    flex: 1;
-    display: flex;
-    align-items: center;
-    min-width: 0;
-    overflow: hidden;
-    font-size: var(--text-xs);
-    color: var(--text-tertiary);
-    gap: 1px;
+  flex: 1;
+  display: flex;
+  align-items: center;
+  min-width: 0;
+  overflow: hidden;
+  font-size: var(--text-xs);
+  color: var(--text-tertiary);
+  gap: 1px;
 }
 
 .sftp-breadcrumb-segment {
-    background: none;
-    border: none;
-    color: var(--text-secondary);
-    font-size: var(--text-xs);
-    cursor: pointer;
-    padding: 2px 4px;
-    border-radius: var(--radius-sm);
-    white-space: nowrap;
-    transition: background var(--transition-fast), color var(--transition-fast);
-    max-width: 100px;
-    overflow: hidden;
-    text-overflow: ellipsis;
+  background: none;
+  border: none;
+  color: var(--text-secondary);
+  font-size: var(--text-xs);
+  cursor: pointer;
+  padding: 2px 4px;
+  border-radius: var(--radius-sm);
+  white-space: nowrap;
+  transition:
+    background var(--transition-fast),
+    color var(--transition-fast);
+  max-width: 100px;
+  overflow: hidden;
+  text-overflow: ellipsis;
 }
 
 .sftp-breadcrumb-segment:hover {
-    background: var(--bg-hover);
-    color: var(--text-primary);
+  background: var(--bg-hover);
+  color: var(--text-primary);
 }
 
 .sftp-breadcrumb-segment:last-child {
-    color: var(--text-primary);
-    font-weight: var(--weight-medium);
+  color: var(--text-primary);
+  font-weight: var(--weight-medium);
 }
 
 .sftp-breadcrumb-sep {
-    color: var(--text-disabled);
-    font-size: 10px;
-    flex-shrink: 0;
-    user-select: none;
+  color: var(--text-disabled);
+  font-size: 10px;
+  flex-shrink: 0;
+  user-select: none;
 }
 
 /* -----------------------------------------------------------------------
    File list
    ----------------------------------------------------------------------- */
 .sftp-file-list {
-    flex: 1;
-    overflow-y: auto;
-    overflow-x: hidden;
+  flex: 1;
+  overflow-y: auto;
+  overflow-x: hidden;
 }
 
 /* Scrollbar styling */
 .sftp-file-list::-webkit-scrollbar {
-    width: 6px;
+  width: 6px;
 }
 .sftp-file-list::-webkit-scrollbar-track {
-    background: transparent;
+  background: transparent;
 }
 .sftp-file-list::-webkit-scrollbar-thumb {
-    background: var(--border-strong, var(--bg-active));
-    border-radius: 3px;
+  background: var(--border-strong, var(--bg-active));
+  border-radius: 3px;
 }
 .sftp-file-list::-webkit-scrollbar-thumb:hover {
-    background: var(--text-tertiary);
+  background: var(--text-tertiary);
 }
 
 /* -----------------------------------------------------------------------
    File row
    ----------------------------------------------------------------------- */
 .sftp-file-row {
-    display: grid;
-    grid-template-columns: 20px 1fr auto;
-    align-items: center;
-    gap: var(--space-1);
-    padding: var(--space-1) var(--space-2);
-    cursor: pointer;
-    transition: background var(--transition-fast);
-    user-select: none;
-    min-height: 30px;
+  display: grid;
+  grid-template-columns: 20px 1fr auto;
+  align-items: center;
+  gap: var(--space-1);
+  padding: var(--space-1) var(--space-2);
+  cursor: pointer;
+  transition: background var(--transition-fast);
+  user-select: none;
+  min-height: 30px;
 }
 
 .sftp-file-row:hover {
-    background: var(--bg-hover);
+  background: var(--bg-hover);
 }
 
 .sftp-file-row.is-selected {
-    background: var(--accent-muted);
+  background: var(--accent-muted);
 }
 
 .sftp-file-row.is-selected:hover {
-    background: var(--accent-strong);
+  background: var(--accent-strong);
 }
 
 .sftp-file-row.is-readonly .sftp-file-meta {
-    color: var(--warning);
-    font-weight: var(--weight-semibold);
+  color: var(--warning);
+  font-weight: var(--weight-semibold);
 }
 
 .sftp-file-row.is-unreadable {
-    opacity: 0.5;
-    cursor: not-allowed;
+  opacity: 0.5;
+  cursor: not-allowed;
 }
 
 .sftp-file-row.is-unreadable .sftp-file-name {
-    text-decoration: line-through;
+  text-decoration: line-through;
 }
 
 .sftp-file-icon {
-    font-size: 13px;
-    text-align: center;
-    line-height: 1;
-    flex-shrink: 0;
-    color: var(--text-tertiary);
+  font-size: 13px;
+  text-align: center;
+  line-height: 1;
+  flex-shrink: 0;
+  color: var(--text-tertiary);
 }
 
 .sftp-file-icon.is-dir {
-    color: var(--accent);
+  color: var(--accent);
 }
 
 .sftp-file-name {
-    font-size: var(--text-sm);
-    color: var(--text-primary);
-    overflow: hidden;
-    text-overflow: ellipsis;
-    white-space: nowrap;
-    min-width: 0;
+  font-size: var(--text-sm);
+  color: var(--text-primary);
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  min-width: 0;
 }
 
 .sftp-file-meta {
-    font-size: var(--text-xs);
-    color: var(--text-tertiary);
-    white-space: nowrap;
-    text-align: right;
+  font-size: var(--text-xs);
+  color: var(--text-tertiary);
+  white-space: nowrap;
+  text-align: right;
 }
 
 /* -----------------------------------------------------------------------
    Parent directory row (..)
    ----------------------------------------------------------------------- */
 .sftp-file-row.is-parent .sftp-file-name {
-    color: var(--text-secondary);
-    font-style: italic;
+  color: var(--text-secondary);
+  font-style: italic;
 }
 
 /* -----------------------------------------------------------------------
    Context actions bar (shown below file list when a file is selected)
    ----------------------------------------------------------------------- */
 .sftp-context-bar {
-    display: flex;
-    align-items: center;
-    gap: var(--space-1);
-    padding: var(--space-1) var(--space-2);
-    border-top: 1px solid var(--border-subtle);
-    background: var(--bg-elevated);
-    flex-shrink: 0;
-    min-height: 32px;
+  display: flex;
+  align-items: center;
+  gap: var(--space-1);
+  padding: var(--space-1) var(--space-2);
+  border-top: 1px solid var(--border-subtle);
+  background: var(--bg-elevated);
+  flex-shrink: 0;
+  min-height: 32px;
 }
 
 .sftp-context-bar .sftp-ctx-label {
-    flex: 1;
-    font-size: var(--text-xs);
-    color: var(--text-secondary);
-    overflow: hidden;
-    text-overflow: ellipsis;
-    white-space: nowrap;
-    min-width: 0;
+  flex: 1;
+  font-size: var(--text-xs);
+  color: var(--text-secondary);
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  min-width: 0;
 }
 
 .sftp-context-bar .sftp-ctx-btn {
-    height: 24px;
-    padding: 0 var(--space-2);
-    font-size: var(--text-xs);
-    font-weight: var(--weight-medium);
-    border: none;
-    border-radius: var(--radius-sm);
-    cursor: pointer;
-    background: transparent;
-    color: var(--text-secondary);
-    transition: background var(--transition-fast), color var(--transition-fast);
-    white-space: nowrap;
+  height: 24px;
+  padding: 0 var(--space-2);
+  font-size: var(--text-xs);
+  font-weight: var(--weight-medium);
+  border: none;
+  border-radius: var(--radius-sm);
+  cursor: pointer;
+  background: transparent;
+  color: var(--text-secondary);
+  transition:
+    background var(--transition-fast),
+    color var(--transition-fast);
+  white-space: nowrap;
 }
 
 .sftp-context-bar .sftp-ctx-btn:hover {
-    background: var(--bg-hover);
-    color: var(--text-primary);
+  background: var(--bg-hover);
+  color: var(--text-primary);
 }
 
 .sftp-context-bar .sftp-ctx-btn.is-danger:hover {
-    background: rgba(239, 83, 80, 0.12);
-    color: var(--error);
+  background: rgba(239, 83, 80, 0.12);
+  color: var(--error);
 }
 
 .sftp-context-bar .sftp-ctx-btn.is-accent:hover {
-    color: var(--accent);
+  color: var(--accent);
 }
 
 /* -----------------------------------------------------------------------
    States: loading, empty, error
    ----------------------------------------------------------------------- */
 .sftp-state {
-    flex: 1;
-    display: flex;
-    flex-direction: column;
-    align-items: center;
-    justify-content: center;
-    padding: var(--space-6) var(--space-4);
-    text-align: center;
-    gap: var(--space-2);
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  padding: var(--space-6) var(--space-4);
+  text-align: center;
+  gap: var(--space-2);
 }
 
 .sftp-state-icon {
-    font-size: 28px;
-    color: var(--text-disabled);
+  font-size: 28px;
+  color: var(--text-disabled);
 }
 
 .sftp-state-msg {
-    font-size: var(--text-sm);
-    color: var(--text-tertiary);
-    line-height: var(--leading-relaxed);
-    max-width: 200px;
+  font-size: var(--text-sm);
+  color: var(--text-tertiary);
+  line-height: var(--leading-relaxed);
+  max-width: 200px;
 }
 
 .sftp-state-retry {
-    margin-top: var(--space-1);
+  margin-top: var(--space-1);
 }
 
 /* Loading spinner (pure CSS) */
 .sftp-spinner {
-    width: 20px;
-    height: 20px;
-    border: 2px solid var(--border-subtle);
-    border-top-color: var(--accent);
-    border-radius: 50%;
-    animation: sftp-spin 0.6s linear infinite;
+  width: 20px;
+  height: 20px;
+  border: 2px solid var(--border-subtle);
+  border-top-color: var(--accent);
+  border-radius: 50%;
+  animation: sftp-spin 0.6s linear infinite;
 }
 
 @keyframes sftp-spin {
-    to { transform: rotate(360deg); }
+  to {
+    transform: rotate(360deg);
+  }
 }
 
 /* -----------------------------------------------------------------------
    Inline input (for rename / mkdir)
    ----------------------------------------------------------------------- */
 .sftp-inline-input {
-    width: 100%;
-    height: 26px;
-    padding: 0 var(--space-2);
-    font-size: var(--text-sm);
-    font-family: inherit;
-    color: var(--text-primary);
-    background: var(--bg-input);
-    border: 1px solid var(--accent);
-    border-radius: var(--radius-sm);
-    outline: none;
-    box-shadow: 0 0 0 2px var(--accent-muted);
+  width: 100%;
+  height: 26px;
+  padding: 0 var(--space-2);
+  font-size: var(--text-sm);
+  font-family: inherit;
+  color: var(--text-primary);
+  background: var(--bg-input);
+  border: 1px solid var(--accent);
+  border-radius: var(--radius-sm);
+  outline: none;
+  box-shadow: 0 0 0 2px var(--accent-muted);
 }
 
 /* Picker-specific input in the toolbar */
 .sftp-picker-filter {
-    width: 160px;
-    height: 26px;
-    padding: 0 var(--space-2);
-    font-size: var(--text-xs);
-    border: 1px solid var(--border-default);
-    border-radius: var(--radius-sm);
-    background: var(--bg-input);
-    color: var(--text-primary);
+  width: 160px;
+  height: 26px;
+  padding: 0 var(--space-2);
+  font-size: var(--text-xs);
+  border: 1px solid var(--border-default);
+  border-radius: var(--radius-sm);
+  background: var(--bg-input);
+  color: var(--text-primary);
 }
 
 .sftp-picker-filter:focus {
-    border-color: var(--accent);
-    box-shadow: 0 0 0 2px var(--accent-muted);
-    outline: none;
+  border-color: var(--accent);
+  box-shadow: 0 0 0 2px var(--accent-muted);
+  outline: none;
 }
 
 .sftp-picker-status {
-    font-size: var(--text-xs);
-    color: var(--text-tertiary);
-    margin-right: var(--space-2);
+  font-size: var(--text-xs);
+  color: var(--text-tertiary);
+  margin-right: var(--space-2);
 }
 
 .sftp-picker-badge {
-    display: inline-flex;
-    align-items: center;
-    justify-content: center;
-    height: 18px;
-    padding: 0 var(--space-2);
-    border-radius: var(--radius-sm);
-    font-size: 10px;
-    font-weight: var(--weight-semibold);
-    text-transform: uppercase;
-    letter-spacing: 0.04em;
-    border: 1px solid var(--border-default);
-    background: var(--bg-surface);
-    color: var(--text-tertiary);
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  height: 18px;
+  padding: 0 var(--space-2);
+  border-radius: var(--radius-sm);
+  font-size: 10px;
+  font-weight: var(--weight-semibold);
+  text-transform: uppercase;
+  letter-spacing: 0.04em;
+  border: 1px solid var(--border-default);
+  background: var(--bg-surface);
+  color: var(--text-tertiary);
 }
 
 .sftp-picker-badge.is-readonly {
-    border-color: rgba(255, 167, 38, 0.35);
-    color: var(--warning);
-    background: rgba(255, 167, 38, 0.12);
+  border-color: rgba(255, 167, 38, 0.35);
+  color: var(--warning);
+  background: rgba(255, 167, 38, 0.12);
 }
 
 .sftp-picker-badge.is-noread {
-    border-color: rgba(239, 83, 80, 0.35);
-    color: var(--error);
-    background: rgba(239, 83, 80, 0.12);
+  border-color: rgba(239, 83, 80, 0.35);
+  color: var(--error);
+  background: rgba(239, 83, 80, 0.12);
 }
 
 .sftp-picker-legend {
-    display: inline-flex;
-    align-items: center;
-    gap: var(--space-1);
-    font-size: 10px;
-    color: var(--text-tertiary);
+  display: inline-flex;
+  align-items: center;
+  gap: var(--space-1);
+  font-size: 10px;
+  color: var(--text-tertiary);
 }
diff --git a/frontend/src/css/terminal.css b/frontend/src/css/terminal.css
index cb92ae6..51cb3cd 100644
--- a/frontend/src/css/terminal.css
+++ b/frontend/src/css/terminal.css
@@ -65,6 +65,60 @@
     padding: 0;
 }
 
+/* -----------------------------------------------------------------------
+   Disconnected overlay
+   ----------------------------------------------------------------------- */
+.session-panel.is-disconnected > *:not(.terminal-disconnect-overlay) {
+    filter: blur(2px);
+    pointer-events: none;
+}
+
+.terminal-disconnect-overlay {
+    position: absolute;
+    inset: 0;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    background: rgba(10, 14, 18, 0.68);
+    z-index: 6;
+    opacity: 0;
+    visibility: hidden;
+    transition: opacity var(--transition-fast), visibility var(--transition-fast);
+}
+
+.terminal-disconnect-overlay.is-visible {
+    opacity: 1;
+    visibility: visible;
+}
+
+.terminal-disconnect-content {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    gap: var(--space-3);
+    text-align: center;
+    padding: var(--space-4) var(--space-5);
+    background: var(--bg-elevated);
+    border: 1px solid var(--border-default);
+    border-radius: var(--radius-lg);
+    box-shadow: var(--shadow-lg);
+}
+
+.terminal-disconnect-title {
+    font-size: var(--text-lg);
+    letter-spacing: 0.45em;
+    text-indent: 0.45em;
+    text-transform: uppercase;
+    color: var(--text-primary);
+    font-weight: var(--weight-semibold);
+}
+
+.terminal-disconnect-message {
+    font-size: var(--text-sm);
+    color: var(--text-secondary);
+    max-width: 360px;
+}
+
 /* xterm.js overrides for consistent look */
 .terminal-container .xterm,
 .session-panel .xterm {
diff --git a/frontend/src/js/app.js b/frontend/src/js/app.js
index feb03a4..958ff23 100644
--- a/frontend/src/js/app.js
+++ b/frontend/src/js/app.js
@@ -168,6 +168,14 @@
         );
         this.updateStatusBar();
 
+        const showDisconnectedOverlay =
+          payload.state === "disconnected" || payload.state === "error";
+        this.terminals.setDisconnectedOverlay(
+          payload.sessionID,
+          showDisconnectedOverlay,
+          payload.error,
+        );
+
         if (payload.state === "error" && payload.error) {
           this._handleSessionError(payload.sessionID, payload.error);
         }
diff --git a/frontend/src/js/profiles.js b/frontend/src/js/profiles.js
index 793e4e6..c84db8d 100644
--- a/frontend/src/js/profiles.js
+++ b/frontend/src/js/profiles.js
@@ -82,6 +82,15 @@
 
       /** @type {boolean} */
       this._isNew = false;
+
+      /** @type {string[]} */
+      this._sshKeyOptions = [];
+
+      /** @type {boolean} */
+      this._sshKeyOptionsLoaded = false;
+
+      /** @type {boolean} */
+      this._sshKeyOptionsLoading = false;
     }
 
     // ── Public API ───────────────────────────────────────────────────
@@ -151,6 +160,7 @@
 
       // ── Scrollable body ─────────────────────────────────────
       const body = createElement("div", "drawer-body");
+      const sshKeyDatalist = this._buildSSHKeyDatalist();
 
       // General section (common to all protocols)
       body.appendChild(this._renderGeneralSection(profile));
@@ -159,6 +169,7 @@
       switch (profile.protocol) {
         case "ssh":
           this._renderSSHSections(profile).forEach((s) => body.appendChild(s));
+          body.appendChild(sshKeyDatalist);
           break;
         case "telnet":
           this._renderTelnetSections(profile).forEach((s) =>
@@ -240,6 +251,8 @@
       // Focus the first input
       const firstInput = drawer.querySelector("input, select, textarea");
       if (firstInput) firstInput.focus();
+
+      this._loadSSHKeyOptions();
     }
 
     /**
@@ -377,6 +390,42 @@
       return group;
     }
 
+    _buildSSHKeyDatalist() {
+      const list = createElement("datalist", "", {
+        id: "ssh-key-path-options",
+      });
+      this._applySSHKeyOptionsToList(list);
+      return list;
+    }
+
+    _applySSHKeyOptionsToList(listEl) {
+      if (!listEl) return;
+      listEl.innerHTML = "";
+      for (const keyPath of this._sshKeyOptions) {
+        const opt = createElement("option", "", { value: keyPath });
+        listEl.appendChild(opt);
+      }
+    }
+
+    _loadSSHKeyOptions() {
+      if (this._sshKeyOptionsLoading || this._sshKeyOptionsLoaded) return;
+      if (!window.go || !window.go.api || !window.go.api.Service) return;
+
+      this._sshKeyOptionsLoading = true;
+      window.go.api.Service.ListSSHKeys()
+        .then((keys) => {
+          this._sshKeyOptions = Array.isArray(keys) ? keys : [];
+          this._sshKeyOptionsLoaded = true;
+          this._sshKeyOptionsLoading = false;
+          if (!this.drawer) return;
+          const listEl = this.drawer.querySelector("#ssh-key-path-options");
+          this._applySSHKeyOptionsToList(listEl);
+        })
+        .catch(() => {
+          this._sshKeyOptionsLoading = false;
+        });
+    }
+
     /** @private */
     _renderSSHSections(profile) {
       const ssh = profile.ssh || {};
@@ -413,15 +462,7 @@
       // Key & Passphrase
       sections.push(
         this._renderSection("Key & Passphrase", [
-          this._field(
-            "text",
-            "ssh.privateKeyPath",
-            "Private Key Path",
-            ssh.privateKeyPath,
-            {
-              placeholder: "~/.ssh/id_ed25519",
-            },
-          ),
+          this._renderSSHKeyPathField(ssh.privateKeyPath),
           this._field(
             "select",
             "ssh.keySecretMode",
@@ -1522,6 +1563,10 @@
 
       group.appendChild(input);
 
+      if (opts.datalistId && input && input.tagName === "INPUT") {
+        input.setAttribute("list", opts.datalistId);
+      }
+
       // Help text
       if (opts.help) {
         group.appendChild(
@@ -1532,6 +1577,64 @@
       return group;
     }
 
+    _renderSSHKeyPathField(value) {
+      const group = createElement("div", "form-group");
+      const labelEl = createElement("label", "form-label", {
+        textContent: "Private Key Path",
+        for: "field-ssh.privateKeyPath",
+      });
+      group.appendChild(labelEl);
+
+      const row = createElement("div", "key-path-row");
+      const input = createElement("input", "form-input", {
+        type: "text",
+        id: "field-ssh.privateKeyPath",
+        name: "ssh.privateKeyPath",
+        value: value || "",
+        placeholder: "/Users/username/.ssh/id_ed25519",
+      });
+      input.setAttribute("list", "ssh-key-path-options");
+      row.appendChild(input);
+
+      const browseBtn = createElement("button", "btn btn-sm btn-outline", {
+        textContent: "Browse",
+        type: "button",
+      });
+      browseBtn.addEventListener("mousedown", (e) => e.preventDefault());
+      browseBtn.addEventListener("click", () => {
+        if (!window.go || !window.go.api || !window.go.api.Service) return;
+        window.go.api.Service.SelectFile("Select SSH Private Key", "*")
+          .then((path) => {
+            if (path) input.value = path;
+          })
+          .catch((err) => {
+            this.app.notifications.error(
+              "Failed to open file dialog: " + (err.message || err),
+            );
+          });
+      });
+      row.appendChild(browseBtn);
+      group.appendChild(row);
+
+      const error = createElement("span", "form-error");
+      error.style.display = "none";
+      group.appendChild(error);
+
+      const success = createElement("span", "form-success");
+      success.style.display = "none";
+      group.appendChild(success);
+
+      this._attachKeyPathValidation(input, error, success);
+
+      group.appendChild(
+        createElement("span", "form-hint", {
+          textContent: "Select a key from your .ssh folder or type a full path",
+        }),
+      );
+
+      return group;
+    }
+
     /**
      * Renders the jump-hosts list editor.
      * @param {Array<Object>} jumpHosts
@@ -1551,15 +1654,41 @@
                     <input class="form-input form-input-sm" name="jumpHost-${i}-username" value="${escapeHtml(jh.username || "")}" placeholder="User" />
                 </div>
                 <div class="jump-host-fields">
-                    <input class="form-input form-input-sm" name="jumpHost-${i}-privateKeyPath" value="${escapeHtml(jh.privateKeyPath || "")}" placeholder="Private key path (optional)" style="flex:1" />
+                    <input class="form-input form-input-sm" name="jumpHost-${i}-privateKeyPath" value="${escapeHtml(jh.privateKeyPath || "")}" placeholder="Full key path (optional)" list="ssh-key-path-options" style="flex:1" />
+                    <button class="btn btn-sm btn-outline jump-host-browse" type="button" title="Browse">Browse</button>
                     <button class="btn btn-icon btn-danger jump-host-remove" data-index="${i}" title="Remove">&times;</button>
                 </div>
             `;
+        const keyInput = row.querySelector(`input[name="jumpHost-${i}-privateKeyPath"]`);
+        const browseBtn = row.querySelector(".jump-host-browse");
+        const error = createElement("span", "form-error");
+        error.style.display = "none";
+        const success = createElement("span", "form-success");
+        success.style.display = "none";
+
+        browseBtn.addEventListener("mousedown", (e) => e.preventDefault());
+        browseBtn.addEventListener("click", () => {
+          if (!window.go || !window.go.api || !window.go.api.Service) return;
+          window.go.api.Service.SelectFile("Select SSH Private Key", "*")
+            .then((path) => {
+              if (path) keyInput.value = path;
+              this._validateKeyPath(keyInput, error);
+            })
+            .catch((err) => {
+              this.app.notifications.error(
+                "Failed to open file dialog: " + (err.message || err),
+              );
+            });
+        });
+
+        this._attachKeyPathValidation(keyInput, error, success);
         row.querySelector(".jump-host-remove").addEventListener("click", () => {
           jumpHosts.splice(i, 1);
           this.render(this._profile, this._isNew);
         });
         wrapper.appendChild(row);
+        wrapper.appendChild(error);
+        wrapper.appendChild(success);
       }
 
       const addBtn = createElement("button", "btn btn-sm btn-outline", {
@@ -1581,6 +1710,82 @@
       return wrapper;
     }
 
+    _attachKeyPathValidation(input, errorEl, successEl) {
+      if (!input || !errorEl) return;
+      input.addEventListener("blur", () => this._validateKeyPath(input, errorEl, successEl));
+      input.addEventListener("input", () => {
+        errorEl.style.display = "none";
+        errorEl.textContent = "";
+        if (successEl) {
+          successEl.style.display = "none";
+          successEl.textContent = "";
+        }
+      });
+    }
+
+    _validateKeyPath(input, errorEl, successEl) {
+      const value = (input.value || "").trim();
+      if (!value) {
+        errorEl.style.display = "none";
+        errorEl.textContent = "";
+        if (successEl) {
+          successEl.style.display = "none";
+          successEl.textContent = "";
+        }
+        return;
+      }
+      if (value.startsWith("~")) {
+        errorEl.textContent = "Please use a full path (no ~).";
+        errorEl.style.display = "block";
+        if (successEl) {
+          successEl.style.display = "none";
+          successEl.textContent = "";
+        }
+        return;
+      }
+      if (!window.go || !window.go.api || !window.go.api.Service) {
+        return;
+      }
+      window.go.api.Service.FileExists(value)
+        .then((exists) => {
+          if (!exists) {
+            errorEl.textContent = "Key file not found.";
+            errorEl.style.display = "block";
+            if (successEl) {
+              successEl.style.display = "none";
+              successEl.textContent = "";
+            }
+            return;
+          }
+          return window.go.api.Service.FileIsPrivateKey(value)
+            .then((isKey) => {
+              if (!isKey) {
+                errorEl.textContent = "File is not a recognised private key.";
+                errorEl.style.display = "block";
+                if (successEl) {
+                  successEl.style.display = "none";
+                  successEl.textContent = "";
+                }
+                return;
+              }
+              errorEl.style.display = "none";
+              errorEl.textContent = "";
+              if (successEl) {
+                successEl.textContent = "Key verified.";
+                successEl.style.display = "block";
+              }
+            });
+        })
+        .catch(() => {
+          errorEl.textContent = "Could not verify this path.";
+          errorEl.style.display = "block";
+          if (successEl) {
+            successEl.style.display = "none";
+            successEl.textContent = "";
+          }
+        });
+    }
+
     /**
      * Renders the port-forwarding rules list editor.
      * @param {Array<Object>} portForwards
diff --git a/frontend/src/js/sftp.js b/frontend/src/js/sftp.js
index 72b06a9..dffee06 100644
--- a/frontend/src/js/sftp.js
+++ b/frontend/src/js/sftp.js
@@ -1,77 +1,127 @@
-(function() {
-/**
- * Nexus Terminal — SFTP File Browser
- *
- * Provides a right-side panel for browsing, uploading, downloading,
- * renaming and deleting remote files alongside the terminal.
- */
+(function () {
+  /**
+   * Nexus Terminal — SFTP File Browser
+   *
+   * Provides a right-side panel for browsing, uploading, downloading,
+   * renaming and deleting remote files alongside the terminal.
+   */
 
-const {
-    createElement, escapeHtml, formatBytes, relativeTime, dismissContextMenus,
-} = window.NexusTerminal;
+  const {
+    createElement,
+    escapeHtml,
+    formatBytes,
+    relativeTime,
+    dismissContextMenus,
+  } = window.NexusTerminal;
 
-/* ── Helpers ──────────────────────────────────────────────────────── */
+  /* ── Helpers ──────────────────────────────────────────────────────── */
 
-function pathJoin(base, name) {
-    if (base === '/') return '/' + name;
-    return base.replace(/\/+$/, '') + '/' + name;
-}
+  function pathJoin(base, name) {
+    if (base === "/") return "/" + name;
+    return base.replace(/\/+$/, "") + "/" + name;
+  }
 
-function pathSegments(p) {
-    const parts = p.split('/').filter(Boolean);
-    var segs = [{ label: '/', path: '/' }];
-    var acc = '';
+  function pathSegments(p) {
+    const parts = p.split("/").filter(Boolean);
+    var segs = [{ label: "/", path: "/" }];
+    var acc = "";
     for (var i = 0; i < parts.length; i++) {
-        acc += '/' + parts[i];
-        segs.push({ label: parts[i], path: acc });
+      acc += "/" + parts[i];
+      segs.push({ label: parts[i], path: acc });
     }
     return segs;
-}
+  }
 
-function parentPath(p) {
-    if (p === '/') return '/';
-    var trimmed = p.replace(/\/+$/, '');
-    var idx = trimmed.lastIndexOf('/');
-    return idx <= 0 ? '/' : trimmed.substring(0, idx);
-}
+  function parentPath(p) {
+    if (p === "/") return "/";
+    var trimmed = p.replace(/\/+$/, "");
+    var idx = trimmed.lastIndexOf("/");
+    return idx <= 0 ? "/" : trimmed.substring(0, idx);
+  }
 
-function fileIcon(entry) {
-    if (entry.isDir) return '📁';
-    var ext = (entry.name.split('.').pop() || '').toLowerCase();
+  function fileIcon(entry) {
+    if (entry.isDir) return "📁";
+    var ext = (entry.name.split(".").pop() || "").toLowerCase();
     switch (ext) {
-        case 'jpg': case 'jpeg': case 'png': case 'gif': case 'svg': case 'webp': return '🖼';
-        case 'mp3': case 'wav': case 'ogg': case 'flac': return '🎵';
-        case 'mp4': case 'avi': case 'mkv': case 'mov': return '🎬';
-        case 'zip': case 'tar': case 'gz': case 'bz2': case 'xz': case '7z': return '📦';
-        case 'sh': case 'bash': case 'zsh': return '⚙';
-        case 'py': case 'js': case 'ts': case 'go': case 'rs': case 'c': case 'h': case 'cpp': case 'java': return '◇';
-        case 'md': case 'txt': case 'log': case 'csv': return '📝';
-        case 'json': case 'yaml': case 'yml': case 'toml': case 'xml': return '⚙';
-        case 'key': case 'pem': case 'crt': case 'pub': return '🔑';
-        default: return '📄';
+      case "jpg":
+      case "jpeg":
+      case "png":
+      case "gif":
+      case "svg":
+      case "webp":
+        return "🖼";
+      case "mp3":
+      case "wav":
+      case "ogg":
+      case "flac":
+        return "🎵";
+      case "mp4":
+      case "avi":
+      case "mkv":
+      case "mov":
+        return "🎬";
+      case "zip":
+      case "tar":
+      case "gz":
+      case "bz2":
+      case "xz":
+      case "7z":
+        return "📦";
+      case "sh":
+      case "bash":
+      case "zsh":
+        return "⚙";
+      case "py":
+      case "js":
+      case "ts":
+      case "go":
+      case "rs":
+      case "c":
+      case "h":
+      case "cpp":
+      case "java":
+        return "◇";
+      case "md":
+      case "txt":
+      case "log":
+      case "csv":
+        return "📝";
+      case "json":
+      case "yaml":
+      case "yml":
+      case "toml":
+      case "xml":
+        return "⚙";
+      case "key":
+      case "pem":
+      case "crt":
+      case "pub":
+        return "🔑";
+      default:
+        return "📄";
     }
-}
+  }
 
-function modeString(mode) {
-    if (!mode && mode !== 0) return '';
-    var s = '';
-    var perms = ['---', '--x', '-w-', '-wx', 'r--', 'r-x', 'rw-', 'rwx'];
+  function modeString(mode) {
+    if (!mode && mode !== 0) return "";
+    var s = "";
+    var perms = ["---", "--x", "-w-", "-wx", "r--", "r-x", "rw-", "rwx"];
     s += perms[(mode >> 6) & 7];
     s += perms[(mode >> 3) & 7];
     s += perms[mode & 7];
     return s;
-}
+  }
 
-/* ── SFTPBrowser class ────────────────────────────────────────────── */
+  /* ── SFTPBrowser class ────────────────────────────────────────────── */
 
-class SFTPBrowser {
+  class SFTPBrowser {
     /**
      * @param {App} app — the application instance
      */
     constructor(app) {
-        this.app = app;
-        /** @type {Map<string, {el: HTMLElement, handle: HTMLElement, cwd: string, files: Array, selected: string|null, loading: boolean}>} */
-        this.panels = new Map();
+      this.app = app;
+      /** @type {Map<string, {el: HTMLElement, handle: HTMLElement, cwd: string, files: Array, selected: string|null, loading: boolean}>} */
+      this.panels = new Map();
     }
 
     /* ── Public API ───────────────────────────────────────────────── */
@@ -81,55 +131,57 @@ class SFTPBrowser {
      * @param {string} sessionId
      */
     async open(sessionId) {
-        if (this.panels.has(sessionId)) return;
+      if (this.panels.has(sessionId)) return;
 
-        var sessionPanel = document.getElementById('panel-' + sessionId);
-        if (!sessionPanel) {
-            this.app.notifications.error('Cannot open file browser: session panel not found.');
-            return;
-        }
+      var sessionPanel = document.getElementById("panel-" + sessionId);
+      if (!sessionPanel) {
+        this.app.notifications.error(
+          "Cannot open file browser: session panel not found.",
+        );
+        return;
+      }
 
-        var state = {
-            el: null,
-            handle: null,
-            cwd: '/',
-            files: [],
-            selected: null,
-            loading: false,
-        };
+      var state = {
+        el: null,
+        handle: null,
+        cwd: "/",
+        files: [],
+        selected: null,
+        loading: false,
+      };
 
-        // Build the panel DOM
-        var panel = createElement('div', 'sftp-panel');
-        var handle = createElement('div', 'sftp-resize-handle');
-        panel.appendChild(handle);
-        state.el = panel;
-        state.handle = handle;
+      // Build the panel DOM
+      var panel = createElement("div", "sftp-panel");
+      var handle = createElement("div", "sftp-resize-handle");
+      panel.appendChild(handle);
+      state.el = panel;
+      state.handle = handle;
 
-        // Toolbar
-        var toolbar = this._buildToolbar(sessionId, state);
-        panel.appendChild(toolbar);
+      // Toolbar
+      var toolbar = this._buildToolbar(sessionId, state);
+      panel.appendChild(toolbar);
 
-        // File list container
-        var fileList = createElement('div', 'sftp-file-list');
-        panel.appendChild(fileList);
+      // File list container
+      var fileList = createElement("div", "sftp-file-list");
+      panel.appendChild(fileList);
 
-        // Context action bar (hidden initially)
-        var ctxBar = createElement('div', 'sftp-context-bar');
-        ctxBar.style.display = 'none';
-        panel.appendChild(ctxBar);
+      // Context action bar (hidden initially)
+      var ctxBar = createElement("div", "sftp-context-bar");
+      ctxBar.style.display = "none";
+      panel.appendChild(ctxBar);
 
-        this.panels.set(sessionId, state);
+      this.panels.set(sessionId, state);
 
-        // Append the overlay panel into the session panel
-        sessionPanel.appendChild(panel);
+      // Append the overlay panel into the session panel
+      sessionPanel.appendChild(panel);
 
-        this._setupResize(sessionId, state);
+      this._setupResize(sessionId, state);
 
-        // Fetch initial directory
-        await this._navigate(sessionId, null);
+      // Fetch initial directory
+      await this._navigate(sessionId, null);
 
-        // Refit terminal after layout change
-        this._refitTerminal(sessionId);
+      // Refit terminal after layout change
+      this._refitTerminal(sessionId);
     }
 
     /**
@@ -137,13 +189,13 @@ class SFTPBrowser {
      * @param {string} sessionId
      */
     close(sessionId) {
-        var state = this.panels.get(sessionId);
-        if (!state) return;
+      var state = this.panels.get(sessionId);
+      if (!state) return;
 
-        state.el.remove();
+      state.el.remove();
 
-        this.panels.delete(sessionId);
-        this._refitTerminal(sessionId);
+      this.panels.delete(sessionId);
+      this._refitTerminal(sessionId);
     }
 
     /**
@@ -151,11 +203,11 @@ class SFTPBrowser {
      * @param {string} sessionId
      */
     toggle(sessionId) {
-        if (this.panels.has(sessionId)) {
-            this.close(sessionId);
-        } else {
-            this.open(sessionId);
-        }
+      if (this.panels.has(sessionId)) {
+        this.close(sessionId);
+      } else {
+        this.open(sessionId);
+      }
     }
 
     /**
@@ -164,44 +216,44 @@ class SFTPBrowser {
      * @returns {string}
      */
     getCwd(sessionId) {
-        var state = this.panels.get(sessionId);
-        return state ? state.cwd : '';
+      var state = this.panels.get(sessionId);
+      return state ? state.cwd : "";
     }
 
     /* ── Toolbar ──────────────────────────────────────────────────── */
 
     _buildToolbar(sessionId, state) {
-        var toolbar = createElement('div', 'sftp-toolbar');
+      var toolbar = createElement("div", "sftp-toolbar");
 
-        var breadcrumb = createElement('div', 'sftp-breadcrumb');
-        breadcrumb.dataset.role = 'breadcrumb';
-        toolbar.appendChild(breadcrumb);
+      var breadcrumb = createElement("div", "sftp-breadcrumb");
+      breadcrumb.dataset.role = "breadcrumb";
+      toolbar.appendChild(breadcrumb);
 
-        var actions = createElement('div', 'sftp-toolbar-actions');
+      var actions = createElement("div", "sftp-toolbar-actions");
 
-        var mkdirBtn = this._toolbarBtn('＋', 'New folder', 'is-accent');
-        mkdirBtn.addEventListener('click', () => this._promptMkdir(sessionId));
-        actions.appendChild(mkdirBtn);
+      var mkdirBtn = this._toolbarBtn("＋", "New folder", "is-accent");
+      mkdirBtn.addEventListener("click", () => this._promptMkdir(sessionId));
+      actions.appendChild(mkdirBtn);
 
-        var uploadBtn = this._toolbarBtn('↑', 'Upload file', 'is-accent');
-        uploadBtn.addEventListener('click', () => this._upload(sessionId));
-        actions.appendChild(uploadBtn);
+      var uploadBtn = this._toolbarBtn("↑", "Upload file", "is-accent");
+      uploadBtn.addEventListener("click", () => this._upload(sessionId));
+      actions.appendChild(uploadBtn);
 
-        var refreshBtn = this._toolbarBtn('⟳', 'Refresh');
-        refreshBtn.addEventListener('click', () => this._refresh(sessionId));
-        actions.appendChild(refreshBtn);
+      var refreshBtn = this._toolbarBtn("⟳", "Refresh");
+      refreshBtn.addEventListener("click", () => this._refresh(sessionId));
+      actions.appendChild(refreshBtn);
 
-        var closeBtn = this._toolbarBtn('✕', 'Close', 'is-close');
-        closeBtn.addEventListener('click', () => this.close(sessionId));
-        actions.appendChild(closeBtn);
+      var closeBtn = this._toolbarBtn("✕", "Close", "is-close");
+      closeBtn.addEventListener("click", () => this.close(sessionId));
+      actions.appendChild(closeBtn);
 
-        toolbar.appendChild(actions);
-        return toolbar;
+      toolbar.appendChild(actions);
+      return toolbar;
     }
 
     _toolbarBtn(label, title, extraClass) {
-        var cls = 'sftp-toolbar-btn' + (extraClass ? ' ' + extraClass : '');
-        return createElement('button', cls, { textContent: label, title: title });
+      var cls = "sftp-toolbar-btn" + (extraClass ? " " + extraClass : "");
+      return createElement("button", cls, { textContent: label, title: title });
     }
 
     /* ── Navigation ───────────────────────────────────────────────── */
@@ -210,492 +262,585 @@ class SFTPBrowser {
      * Navigates to a directory path. If path is null, fetches pwd first.
      */
     async _navigate(sessionId, path) {
-        var state = this.panels.get(sessionId);
-        if (!state || state.loading) return;
+      var state = this.panels.get(sessionId);
+      if (!state || state.loading) return;
 
-        state.loading = true;
-        state.selected = null;
-        this._renderLoading(sessionId);
+      state.loading = true;
+      state.selected = null;
+      this._renderLoading(sessionId);
 
-        try {
-            if (path === null) {
-                path = await window.go.api.Service.SFTPPwd(sessionId);
-            }
-            var files = await window.go.api.Service.SFTPList(sessionId, path);
-            state.cwd = path;
-            state.files = this._sortFiles(files || []);
-            state.loading = false;
-            this._renderBreadcrumb(sessionId);
-            this._renderFiles(sessionId);
-        } catch (err) {
-            state.loading = false;
-            this._renderError(sessionId, err.message || String(err));
+      try {
+        if (path === null) {
+          path = await window.go.api.Service.SFTPPwd(sessionId);
         }
+        var files = await window.go.api.Service.SFTPList(sessionId, path);
+        state.cwd = path;
+        state.files = this._sortFiles(files || []);
+        state.loading = false;
+        this._renderBreadcrumb(sessionId);
+        this._renderFiles(sessionId);
+      } catch (err) {
+        state.loading = false;
+        this._renderError(sessionId, err.message || String(err));
+      }
     }
 
     async _refresh(sessionId) {
-        var state = this.panels.get(sessionId);
-        if (!state) return;
-        await this._navigate(sessionId, state.cwd);
+      var state = this.panels.get(sessionId);
+      if (!state) return;
+      await this._navigate(sessionId, state.cwd);
     }
 
     _sortFiles(files) {
-        return files.slice().sort(function(a, b) {
-            // Directories first
-            if (a.isDir !== b.isDir) return a.isDir ? -1 : 1;
-            return a.name.localeCompare(b.name, undefined, { sensitivity: 'base' });
-        });
+      return files.slice().sort(function (a, b) {
+        // Directories first
+        if (a.isDir !== b.isDir) return a.isDir ? -1 : 1;
+        return a.name.localeCompare(b.name, undefined, { sensitivity: "base" });
+      });
     }
 
     /* ── Rendering ────────────────────────────────────────────────── */
 
     _getFileList(sessionId) {
-        var state = this.panels.get(sessionId);
-        if (!state) return null;
-        return state.el.querySelector('.sftp-file-list');
+      var state = this.panels.get(sessionId);
+      if (!state) return null;
+      return state.el.querySelector(".sftp-file-list");
     }
 
     _getCtxBar(sessionId) {
-        var state = this.panels.get(sessionId);
-        if (!state) return null;
-        return state.el.querySelector('.sftp-context-bar');
+      var state = this.panels.get(sessionId);
+      if (!state) return null;
+      return state.el.querySelector(".sftp-context-bar");
     }
 
     _renderBreadcrumb(sessionId) {
-        var state = this.panels.get(sessionId);
-        if (!state) return;
-        var container = state.el.querySelector('[data-role="breadcrumb"]');
-        container.innerHTML = '';
+      var state = this.panels.get(sessionId);
+      if (!state) return;
+      var container = state.el.querySelector('[data-role="breadcrumb"]');
+      container.innerHTML = "";
 
-        var segs = pathSegments(state.cwd);
-        var self = this;
-        for (var i = 0; i < segs.length; i++) {
-            if (i > 0) {
-                container.appendChild(createElement('span', 'sftp-breadcrumb-sep', { textContent: '›' }));
-            }
-            var btn = createElement('button', 'sftp-breadcrumb-segment', {
-                textContent: segs[i].label,
-                title: segs[i].path,
-            });
-            (function(p) {
-                btn.addEventListener('click', function() { self._navigate(sessionId, p); });
-            })(segs[i].path);
-            container.appendChild(btn);
+      var segs = pathSegments(state.cwd);
+      var self = this;
+      for (var i = 0; i < segs.length; i++) {
+        if (i > 0) {
+          container.appendChild(
+            createElement("span", "sftp-breadcrumb-sep", { textContent: "›" }),
+          );
         }
+        var btn = createElement("button", "sftp-breadcrumb-segment", {
+          textContent: segs[i].label,
+          title: segs[i].path,
+        });
+        (function (p) {
+          btn.addEventListener("click", function () {
+            self._navigate(sessionId, p);
+          });
+        })(segs[i].path);
+        container.appendChild(btn);
+      }
     }
 
     _renderFiles(sessionId) {
-        var state = this.panels.get(sessionId);
-        if (!state) return;
-        var list = this._getFileList(sessionId);
-        list.innerHTML = '';
+      var state = this.panels.get(sessionId);
+      if (!state) return;
+      var list = this._getFileList(sessionId);
+      list.innerHTML = "";
 
-        // Hide context bar
-        var ctxBar = this._getCtxBar(sessionId);
-        if (ctxBar) ctxBar.style.display = 'none';
+      // Hide context bar
+      var ctxBar = this._getCtxBar(sessionId);
+      if (ctxBar) ctxBar.style.display = "none";
 
-        // Parent directory row if not at root
-        if (state.cwd !== '/') {
-            var parentRow = this._buildFileRow({
-                name: '..',
-                isDir: true,
-                path: parentPath(state.cwd),
-                size: 0,
-                modifiedAt: 0,
-            }, sessionId, true);
-            parentRow.classList.add('is-parent');
-            list.appendChild(parentRow);
-        }
+      // Parent directory row if not at root
+      if (state.cwd !== "/") {
+        var parentRow = this._buildFileRow(
+          {
+            name: "..",
+            isDir: true,
+            path: parentPath(state.cwd),
+            size: 0,
+            modifiedAt: 0,
+          },
+          sessionId,
+          true,
+        );
+        parentRow.classList.add("is-parent");
+        list.appendChild(parentRow);
+      }
 
-        if (state.files.length === 0) {
-            var empty = createElement('div', 'sftp-state');
-            empty.innerHTML = '<div class="sftp-state-icon">📂</div><div class="sftp-state-msg">Empty directory</div>';
-            list.appendChild(empty);
-            return;
-        }
+      if (state.files.length === 0) {
+        var empty = createElement("div", "sftp-state");
+        empty.innerHTML =
+          '<div class="sftp-state-icon">📂</div><div class="sftp-state-msg">Empty directory</div>';
+        list.appendChild(empty);
+        return;
+      }
 
-        var self = this;
-        for (var i = 0; i < state.files.length; i++) {
-            list.appendChild(this._buildFileRow(state.files[i], sessionId, false));
-        }
+      var self = this;
+      for (var i = 0; i < state.files.length; i++) {
+        list.appendChild(this._buildFileRow(state.files[i], sessionId, false));
+      }
     }
 
     _buildFileRow(entry, sessionId, isParent) {
-        var row = createElement('div', 'sftp-file-row');
-        var self = this;
+      var row = createElement("div", "sftp-file-row");
+      var self = this;
 
-        // Icon
-        var icon = createElement('span', 'sftp-file-icon' + (entry.isDir ? ' is-dir' : ''));
-        icon.textContent = isParent ? '↩' : fileIcon(entry);
-        row.appendChild(icon);
+      // Icon
+      var icon = createElement(
+        "span",
+        "sftp-file-icon" + (entry.isDir ? " is-dir" : ""),
+      );
+      icon.textContent = isParent ? "↩" : fileIcon(entry);
+      row.appendChild(icon);
 
-        // Name
-        var name = createElement('span', 'sftp-file-name', {
-            textContent: entry.name,
-            title: entry.name,
+      // Name
+      var name = createElement("span", "sftp-file-name", {
+        textContent: entry.name,
+        title: entry.name,
+      });
+      row.appendChild(name);
+
+      // Meta (size or date)
+      var meta = createElement("span", "sftp-file-meta");
+      if (!isParent && !entry.isDir) {
+        meta.textContent = formatBytes(entry.size || 0);
+        meta.title = entry.modifiedAt
+          ? new Date(entry.modifiedAt).toLocaleString()
+          : "";
+      } else if (!isParent && entry.isDir) {
+        meta.textContent = "";
+      }
+      row.appendChild(meta);
+
+      // Double-click: navigate into directory
+      if (entry.isDir) {
+        row.addEventListener("dblclick", function () {
+          var target = isParent
+            ? parentPath(self.panels.get(sessionId).cwd)
+            : entry.path;
+          self._navigate(sessionId, target);
         });
-        row.appendChild(name);
+      }
 
-        // Meta (size or date)
-        var meta = createElement('span', 'sftp-file-meta');
-        if (!isParent && !entry.isDir) {
-            meta.textContent = formatBytes(entry.size || 0);
-            meta.title = entry.modifiedAt ? new Date(entry.modifiedAt).toLocaleString() : '';
-        } else if (!isParent && entry.isDir) {
-            meta.textContent = '';
-        }
-        row.appendChild(meta);
+      // Single click: select (files only, or directories too for context actions)
+      if (!isParent) {
+        row.addEventListener("click", function (e) {
+          e.stopPropagation();
+          self._selectFile(sessionId, entry, row);
+        });
+      }
 
-        // Double-click: navigate into directory
-        if (entry.isDir) {
-            row.addEventListener('dblclick', function() {
-                var target = isParent ? parentPath(self.panels.get(sessionId).cwd) : entry.path;
-                self._navigate(sessionId, target);
-            });
-        }
-
-        // Single click: select (files only, or directories too for context actions)
-        if (!isParent) {
-            row.addEventListener('click', function(e) {
-                e.stopPropagation();
-                self._selectFile(sessionId, entry, row);
-            });
-        }
-
-        return row;
+      return row;
     }
 
     _renderLoading(sessionId) {
-        var list = this._getFileList(sessionId);
-        if (!list) return;
-        list.innerHTML = '';
-        var s = createElement('div', 'sftp-state');
-        s.innerHTML = '<div class="sftp-spinner"></div><div class="sftp-state-msg">Loading…</div>';
-        list.appendChild(s);
-        var ctxBar = this._getCtxBar(sessionId);
-        if (ctxBar) ctxBar.style.display = 'none';
+      var list = this._getFileList(sessionId);
+      if (!list) return;
+      list.innerHTML = "";
+      var s = createElement("div", "sftp-state");
+      s.innerHTML =
+        '<div class="sftp-spinner"></div><div class="sftp-state-msg">Loading…</div>';
+      list.appendChild(s);
+      var ctxBar = this._getCtxBar(sessionId);
+      if (ctxBar) ctxBar.style.display = "none";
     }
 
     _renderError(sessionId, msg) {
-        var list = this._getFileList(sessionId);
-        if (!list) return;
-        list.innerHTML = '';
-        var s = createElement('div', 'sftp-state');
-        s.innerHTML =
-            '<div class="sftp-state-icon">⚠</div>' +
-            '<div class="sftp-state-msg">' + escapeHtml(msg) + '</div>' +
-            '<button class="btn btn-sm btn-secondary sftp-state-retry">Retry</button>';
-        var self = this;
-        var retryBtn = s.querySelector('.sftp-state-retry');
-        if (retryBtn) {
-            retryBtn.addEventListener('click', function() { self._refresh(sessionId); });
-        }
-        list.appendChild(s);
+      var list = this._getFileList(sessionId);
+      if (!list) return;
+      list.innerHTML = "";
+      var s = createElement("div", "sftp-state");
+      s.innerHTML =
+        '<div class="sftp-state-icon">⚠</div>' +
+        '<div class="sftp-state-msg">' +
+        escapeHtml(msg) +
+        "</div>" +
+        '<button class="btn btn-sm btn-secondary sftp-state-retry">Retry</button>';
+      var self = this;
+      var retryBtn = s.querySelector(".sftp-state-retry");
+      if (retryBtn) {
+        retryBtn.addEventListener("click", function () {
+          self._refresh(sessionId);
+        });
+      }
+      list.appendChild(s);
     }
 
     /* ── Selection & context actions ──────────────────────────────── */
 
     _selectFile(sessionId, entry, rowEl) {
-        var state = this.panels.get(sessionId);
-        if (!state) return;
+      var state = this.panels.get(sessionId);
+      if (!state) return;
 
-        // Deselect previous
-        var prev = state.el.querySelector('.sftp-file-row.is-selected');
-        if (prev) prev.classList.remove('is-selected');
+      // Deselect previous
+      var prev = state.el.querySelector(".sftp-file-row.is-selected");
+      if (prev) prev.classList.remove("is-selected");
 
-        // If clicking the same entry, deselect
-        if (state.selected === entry.path) {
-            state.selected = null;
-            var ctxBar = this._getCtxBar(sessionId);
-            if (ctxBar) ctxBar.style.display = 'none';
-            return;
-        }
+      // If clicking the same entry, deselect
+      if (state.selected === entry.path) {
+        state.selected = null;
+        var ctxBar = this._getCtxBar(sessionId);
+        if (ctxBar) ctxBar.style.display = "none";
+        return;
+      }
 
-        state.selected = entry.path;
-        rowEl.classList.add('is-selected');
-        this._showContextBar(sessionId, entry);
+      state.selected = entry.path;
+      rowEl.classList.add("is-selected");
+      this._showContextBar(sessionId, entry);
     }
 
     _showContextBar(sessionId, entry) {
-        var ctxBar = this._getCtxBar(sessionId);
-        if (!ctxBar) return;
+      var ctxBar = this._getCtxBar(sessionId);
+      if (!ctxBar) return;
 
-        ctxBar.innerHTML = '';
-        ctxBar.style.display = 'flex';
+      ctxBar.innerHTML = "";
+      ctxBar.style.display = "flex";
 
-        var label = createElement('span', 'sftp-ctx-label', {
-            textContent: entry.name,
-            title: entry.path,
+      var label = createElement("span", "sftp-ctx-label", {
+        textContent: entry.name,
+        title: entry.path,
+      });
+      ctxBar.appendChild(label);
+
+      var self = this;
+
+      if (!entry.isDir) {
+        var dlBtn = createElement("button", "sftp-ctx-btn is-accent", {
+          textContent: "↓ Download",
         });
-        ctxBar.appendChild(label);
+        dlBtn.addEventListener("click", function () {
+          self._download(sessionId, entry.path);
+        });
+        ctxBar.appendChild(dlBtn);
+      }
 
-        var self = this;
+      var renameBtn = createElement("button", "sftp-ctx-btn", {
+        textContent: "✎ Rename",
+      });
+      renameBtn.addEventListener("click", function () {
+        self._promptRename(sessionId, entry);
+      });
+      ctxBar.appendChild(renameBtn);
 
-        if (!entry.isDir) {
-            var dlBtn = createElement('button', 'sftp-ctx-btn is-accent', { textContent: '↓ Download' });
-            dlBtn.addEventListener('click', function() { self._download(sessionId, entry.path); });
-            ctxBar.appendChild(dlBtn);
-        }
-
-        var renameBtn = createElement('button', 'sftp-ctx-btn', { textContent: '✎ Rename' });
-        renameBtn.addEventListener('click', function() { self._promptRename(sessionId, entry); });
-        ctxBar.appendChild(renameBtn);
-
-        var delBtn = createElement('button', 'sftp-ctx-btn is-danger', { textContent: '✕ Delete' });
-        delBtn.addEventListener('click', function() { self._confirmDelete(sessionId, entry); });
-        ctxBar.appendChild(delBtn);
+      var delBtn = createElement("button", "sftp-ctx-btn is-danger", {
+        textContent: "✕ Delete",
+      });
+      delBtn.addEventListener("click", function () {
+        self._confirmDelete(sessionId, entry);
+      });
+      ctxBar.appendChild(delBtn);
     }
 
     /* ── File operations ──────────────────────────────────────────── */
 
     async _download(sessionId, filePath) {
-        try {
-            await window.go.api.Service.SFTPDownload(sessionId, filePath);
-            this.app.notifications.success('Download started');
-        } catch (err) {
-            this.app.notifications.error('Download failed: ' + (err.message || err));
-        }
+      try {
+        await window.go.api.Service.SFTPDownload(sessionId, filePath);
+        this.app.notifications.success("Download started");
+      } catch (err) {
+        this.app.notifications.error(
+          "Download failed: " + (err.message || err),
+        );
+      }
     }
 
     async _upload(sessionId) {
-        var state = this.panels.get(sessionId);
-        if (!state) return;
-        try {
-            await window.go.api.Service.SFTPUpload(sessionId, state.cwd);
-            this.app.notifications.success('Upload complete');
-            await this._refresh(sessionId);
-        } catch (err) {
-            // User may have cancelled the dialog — only show error if meaningful
-            var msg = err.message || String(err);
-            if (msg && msg.toLowerCase().indexOf('cancel') === -1) {
-                this.app.notifications.error('Upload failed: ' + msg);
-            }
+      var state = this.panels.get(sessionId);
+      if (!state) return;
+      try {
+        await window.go.api.Service.SFTPUpload(sessionId, state.cwd);
+        this.app.notifications.success("Upload complete");
+        await this._refresh(sessionId);
+      } catch (err) {
+        // User may have cancelled the dialog — only show error if meaningful
+        var msg = err.message || String(err);
+        if (msg && msg.toLowerCase().indexOf("cancel") === -1) {
+          this.app.notifications.error("Upload failed: " + msg);
         }
+      }
     }
 
     async _mkdir(sessionId, name) {
-        var state = this.panels.get(sessionId);
-        if (!state) return;
-        var fullPath = pathJoin(state.cwd, name);
-        try {
-            await window.go.api.Service.SFTPMkdir(sessionId, fullPath);
-            this.app.notifications.success('Directory created');
-            await this._refresh(sessionId);
-        } catch (err) {
-            this.app.notifications.error('mkdir failed: ' + (err.message || err));
-        }
+      var state = this.panels.get(sessionId);
+      if (!state) return;
+      var fullPath = pathJoin(state.cwd, name);
+      try {
+        await window.go.api.Service.SFTPMkdir(sessionId, fullPath);
+        this.app.notifications.success("Directory created");
+        await this._refresh(sessionId);
+      } catch (err) {
+        this.app.notifications.error("mkdir failed: " + (err.message || err));
+      }
     }
 
     async _rename(sessionId, oldPath, newName) {
-        var state = this.panels.get(sessionId);
-        if (!state) return;
-        var newPath = pathJoin(parentPath(oldPath), newName);
-        try {
-            await window.go.api.Service.SFTPRename(sessionId, oldPath, newPath);
-            this.app.notifications.success('Renamed');
-            await this._refresh(sessionId);
-        } catch (err) {
-            this.app.notifications.error('Rename failed: ' + (err.message || err));
-        }
+      var state = this.panels.get(sessionId);
+      if (!state) return;
+      var newPath = pathJoin(parentPath(oldPath), newName);
+      try {
+        await window.go.api.Service.SFTPRename(sessionId, oldPath, newPath);
+        this.app.notifications.success("Renamed");
+        await this._refresh(sessionId);
+      } catch (err) {
+        this.app.notifications.error("Rename failed: " + (err.message || err));
+      }
     }
 
     async _delete(sessionId, entry) {
-        try {
-            await window.go.api.Service.SFTPRemove(sessionId, entry.path);
-            this.app.notifications.success((entry.isDir ? 'Directory' : 'File') + ' deleted');
-            await this._refresh(sessionId);
-        } catch (err) {
-            this.app.notifications.error('Delete failed: ' + (err.message || err));
-        }
+      try {
+        await window.go.api.Service.SFTPRemove(sessionId, entry.path);
+        this.app.notifications.success(
+          (entry.isDir ? "Directory" : "File") + " deleted",
+        );
+        await this._refresh(sessionId);
+      } catch (err) {
+        this.app.notifications.error("Delete failed: " + (err.message || err));
+      }
     }
 
     /* ── Modal dialogs (no prompt/confirm/alert) ──────────────────── */
 
     _promptMkdir(sessionId) {
-        this._showInputModal({
-            title: 'New Folder',
-            placeholder: 'Folder name',
-            confirmLabel: 'Create',
-            onConfirm: function(value) {
-                if (value.trim()) this._mkdir(sessionId, value.trim());
-            }.bind(this),
-        });
+      this._showInputModal({
+        title: "New Folder",
+        placeholder: "Folder name",
+        confirmLabel: "Create",
+        onConfirm: function (value) {
+          if (value.trim()) this._mkdir(sessionId, value.trim());
+        }.bind(this),
+      });
     }
 
     _promptRename(sessionId, entry) {
-        this._showInputModal({
-            title: 'Rename',
-            placeholder: 'New name',
-            initialValue: entry.name,
-            confirmLabel: 'Rename',
-            onConfirm: function(value) {
-                var v = value.trim();
-                if (v && v !== entry.name) this._rename(sessionId, entry.path, v);
-            }.bind(this),
-        });
+      this._showInputModal({
+        title: "Rename",
+        placeholder: "New name",
+        initialValue: entry.name,
+        confirmLabel: "Rename",
+        onConfirm: function (value) {
+          var v = value.trim();
+          if (v && v !== entry.name) this._rename(sessionId, entry.path, v);
+        }.bind(this),
+      });
     }
 
     _confirmDelete(sessionId, entry) {
-        this._showConfirmModal({
-            title: 'Delete ' + (entry.isDir ? 'Folder' : 'File'),
-            message: 'Permanently delete <strong>' + escapeHtml(entry.name) + '</strong>?',
-            confirmLabel: 'Delete',
-            isDanger: true,
-            onConfirm: function() {
-                this._delete(sessionId, entry);
-            }.bind(this),
-        });
+      this._showConfirmModal({
+        title: "Delete " + (entry.isDir ? "Folder" : "File"),
+        message:
+          "Permanently delete <strong>" + escapeHtml(entry.name) + "</strong>?",
+        confirmLabel: "Delete",
+        isDanger: true,
+        onConfirm: function () {
+          this._delete(sessionId, entry);
+        }.bind(this),
+      });
     }
 
     /**
      * Displays a modal with a text input field.
      */
     _showInputModal(opts) {
-        var backdrop = createElement('div', 'modal-backdrop');
-        var modal = createElement('div', 'modal modal-sm');
-        modal.innerHTML =
-            '<div class="modal-header">' +
-                '<span class="modal-title">' + escapeHtml(opts.title) + '</span>' +
-                '<button class="modal-close btn btn-icon btn-xs btn-ghost">✕</button>' +
-            '</div>' +
-            '<div class="modal-body">' +
-                '<input class="sftp-inline-input" type="text" placeholder="' + escapeHtml(opts.placeholder || '') + '"' +
-                    (opts.initialValue ? ' value="' + escapeHtml(opts.initialValue) + '"' : '') + ' />' +
-            '</div>' +
-            '<div class="modal-footer">' +
-                '<button class="btn btn-sm btn-ghost sftp-modal-cancel">Cancel</button>' +
-                '<button class="btn btn-sm btn-primary sftp-modal-confirm">' + escapeHtml(opts.confirmLabel || 'OK') + '</button>' +
-            '</div>';
+      var backdrop = createElement("div", "modal-backdrop");
+      var modal = createElement("div", "modal modal-sm");
+      modal.innerHTML =
+        '<div class="modal-header">' +
+        '<span class="modal-title">' +
+        escapeHtml(opts.title) +
+        "</span>" +
+        '<button class="modal-close btn btn-icon btn-xs btn-ghost">✕</button>' +
+        "</div>" +
+        '<div class="modal-body">' +
+        '<input class="sftp-inline-input" type="text" placeholder="' +
+        escapeHtml(opts.placeholder || "") +
+        '"' +
+        (opts.initialValue
+          ? ' value="' + escapeHtml(opts.initialValue) + '"'
+          : "") +
+        " />" +
+        "</div>" +
+        '<div class="modal-footer">' +
+        '<button class="btn btn-sm btn-ghost sftp-modal-cancel">Cancel</button>' +
+        '<button class="btn btn-sm btn-primary sftp-modal-confirm">' +
+        escapeHtml(opts.confirmLabel || "OK") +
+        "</button>" +
+        "</div>";
 
-        backdrop.appendChild(modal);
-        document.body.appendChild(backdrop);
+      backdrop.appendChild(modal);
+      document.body.appendChild(backdrop);
 
-        var input = modal.querySelector('.sftp-inline-input');
-        requestAnimationFrame(function() {
-            backdrop.classList.add('is-visible');
-            modal.classList.add('is-visible');
-            input.focus();
-            input.select();
-        });
+      var input = modal.querySelector(".sftp-inline-input");
+      requestAnimationFrame(function () {
+        backdrop.classList.add("is-visible");
+        modal.classList.add("is-visible");
+        input.focus();
+        input.select();
+      });
 
-        var closed = false;
-        function close(confirmed) {
-            if (closed) return;
-            closed = true;
-            backdrop.classList.remove('is-visible');
-            modal.classList.remove('is-visible');
-            setTimeout(function() { backdrop.remove(); }, 200);
-            if (confirmed && opts.onConfirm) {
-                opts.onConfirm(input.value);
-            }
+      var closed = false;
+      function close(confirmed) {
+        if (closed) return;
+        closed = true;
+        backdrop.classList.remove("is-visible");
+        modal.classList.remove("is-visible");
+        setTimeout(function () {
+          backdrop.remove();
+        }, 200);
+        if (confirmed && opts.onConfirm) {
+          opts.onConfirm(input.value);
         }
+      }
 
-        modal.querySelector('.modal-close').addEventListener('click', function() { close(false); });
-        modal.querySelector('.sftp-modal-cancel').addEventListener('click', function() { close(false); });
-        modal.querySelector('.sftp-modal-confirm').addEventListener('click', function() { close(true); });
-        backdrop.addEventListener('click', function(e) { if (e.target === backdrop) close(false); });
-        input.addEventListener('keydown', function(e) {
-            if (e.key === 'Enter') close(true);
-            if (e.key === 'Escape') close(false);
+      modal
+        .querySelector(".modal-close")
+        .addEventListener("click", function () {
+          close(false);
         });
+      modal
+        .querySelector(".sftp-modal-cancel")
+        .addEventListener("click", function () {
+          close(false);
+        });
+      modal
+        .querySelector(".sftp-modal-confirm")
+        .addEventListener("click", function () {
+          close(true);
+        });
+      backdrop.addEventListener("click", function (e) {
+        if (e.target === backdrop) close(false);
+      });
+      input.addEventListener("keydown", function (e) {
+        if (e.key === "Enter") close(true);
+        if (e.key === "Escape") close(false);
+      });
     }
 
     /**
      * Displays a confirmation modal (no native confirm).
      */
     _showConfirmModal(opts) {
-        var backdrop = createElement('div', 'modal-backdrop');
-        var modal = createElement('div', 'modal modal-sm confirm-dialog');
-        modal.innerHTML =
-            '<div class="modal-header">' +
-                '<span class="modal-title">' + escapeHtml(opts.title) + '</span>' +
-                '<button class="modal-close btn btn-icon btn-xs btn-ghost">✕</button>' +
-            '</div>' +
-            '<div class="modal-body">' +
-                '<p>' + (opts.message || '') + '</p>' +
-            '</div>' +
-            '<div class="modal-footer">' +
-                '<button class="btn btn-sm btn-ghost sftp-modal-cancel">Cancel</button>' +
-                '<button class="btn btn-sm ' + (opts.isDanger ? 'btn-danger-filled' : 'btn-primary') + ' sftp-modal-confirm">' +
-                    escapeHtml(opts.confirmLabel || 'Confirm') +
-                '</button>' +
-            '</div>';
+      var backdrop = createElement("div", "modal-backdrop");
+      var modal = createElement("div", "modal modal-sm confirm-dialog");
+      modal.innerHTML =
+        '<div class="modal-header">' +
+        '<span class="modal-title">' +
+        escapeHtml(opts.title) +
+        "</span>" +
+        '<button class="modal-close btn btn-icon btn-xs btn-ghost">✕</button>' +
+        "</div>" +
+        '<div class="modal-body">' +
+        "<p>" +
+        (opts.message || "") +
+        "</p>" +
+        "</div>" +
+        '<div class="modal-footer">' +
+        '<button class="btn btn-sm btn-ghost sftp-modal-cancel">Cancel</button>' +
+        '<button class="btn btn-sm ' +
+        (opts.isDanger ? "btn-danger-filled" : "btn-primary") +
+        ' sftp-modal-confirm">' +
+        escapeHtml(opts.confirmLabel || "Confirm") +
+        "</button>" +
+        "</div>";
 
-        backdrop.appendChild(modal);
-        document.body.appendChild(backdrop);
+      backdrop.appendChild(modal);
+      document.body.appendChild(backdrop);
 
-        requestAnimationFrame(function() {
-            backdrop.classList.add('is-visible');
-            modal.classList.add('is-visible');
-        });
+      requestAnimationFrame(function () {
+        backdrop.classList.add("is-visible");
+        modal.classList.add("is-visible");
+      });
 
-        var closed = false;
-        function close(confirmed) {
-            if (closed) return;
-            closed = true;
-            backdrop.classList.remove('is-visible');
-            modal.classList.remove('is-visible');
-            setTimeout(function() { backdrop.remove(); }, 200);
-            if (confirmed && opts.onConfirm) {
-                opts.onConfirm();
-            }
+      var closed = false;
+      function close(confirmed) {
+        if (closed) return;
+        closed = true;
+        backdrop.classList.remove("is-visible");
+        modal.classList.remove("is-visible");
+        setTimeout(function () {
+          backdrop.remove();
+        }, 200);
+        if (confirmed && opts.onConfirm) {
+          opts.onConfirm();
         }
+      }
 
-        modal.querySelector('.modal-close').addEventListener('click', function() { close(false); });
-        modal.querySelector('.sftp-modal-cancel').addEventListener('click', function() { close(false); });
-        modal.querySelector('.sftp-modal-confirm').addEventListener('click', function() { close(true); });
-        backdrop.addEventListener('click', function(e) { if (e.target === backdrop) close(false); });
+      modal
+        .querySelector(".modal-close")
+        .addEventListener("click", function () {
+          close(false);
+        });
+      modal
+        .querySelector(".sftp-modal-cancel")
+        .addEventListener("click", function () {
+          close(false);
+        });
+      modal
+        .querySelector(".sftp-modal-confirm")
+        .addEventListener("click", function () {
+          close(true);
+        });
+      backdrop.addEventListener("click", function (e) {
+        if (e.target === backdrop) close(false);
+      });
     }
 
     /* ── Resize handle ────────────────────────────────────────────── */
 
     _setupResize(sessionId, state) {
-        var handle = state.handle;
-        var panel = state.el;
-        var self = this;
-        var startX, startWidth;
+      var handle = state.handle;
+      var panel = state.el;
+      var self = this;
+      var startX, startWidth;
 
-        function onMouseMove(e) {
-            var delta = startX - e.clientX;
-            var newWidth = Math.max(180, Math.min(startWidth + delta, window.innerWidth * 0.5));
-            panel.style.width = newWidth + 'px';
-        }
+      function onMouseMove(e) {
+        var delta = startX - e.clientX;
+        var newWidth = Math.max(
+          180,
+          Math.min(startWidth + delta, window.innerWidth * 0.5),
+        );
+        panel.style.width = newWidth + "px";
+      }
 
-        function onMouseUp() {
-            handle.classList.remove('is-dragging');
-            document.body.style.userSelect = '';
-            document.body.style.cursor = '';
-            document.removeEventListener('mousemove', onMouseMove);
-            document.removeEventListener('mouseup', onMouseUp);
-            self._refitTerminal(sessionId);
-        }
+      function onMouseUp() {
+        handle.classList.remove("is-dragging");
+        document.body.style.userSelect = "";
+        document.body.style.cursor = "";
+        document.removeEventListener("mousemove", onMouseMove);
+        document.removeEventListener("mouseup", onMouseUp);
+        self._refitTerminal(sessionId);
+      }
 
-        handle.addEventListener('mousedown', function(e) {
-            e.preventDefault();
-            startX = e.clientX;
-            startWidth = panel.offsetWidth;
-            handle.classList.add('is-dragging');
-            document.body.style.userSelect = 'none';
-            document.body.style.cursor = 'col-resize';
-            document.addEventListener('mousemove', onMouseMove);
-            document.addEventListener('mouseup', onMouseUp);
-        });
+      handle.addEventListener("mousedown", function (e) {
+        e.preventDefault();
+        startX = e.clientX;
+        startWidth = panel.offsetWidth;
+        handle.classList.add("is-dragging");
+        document.body.style.userSelect = "none";
+        document.body.style.cursor = "col-resize";
+        document.addEventListener("mousemove", onMouseMove);
+        document.addEventListener("mouseup", onMouseUp);
+      });
     }
 
     /* ── Terminal refit ────────────────────────────────────────────── */
 
     _refitTerminal(sessionId) {
-        if (this.app.terminals && typeof this.app.terminals.fitSession === 'function') {
-            // Small delay lets the layout settle before measuring
-            setTimeout(function() {
-                this.app.terminals.fitSession(sessionId);
-            }.bind(this), 50);
-        }
+      if (
+        this.app.terminals &&
+        typeof this.app.terminals.fitSession === "function"
+      ) {
+        // Small delay lets the layout settle before measuring
+        setTimeout(
+          function () {
+            this.app.terminals.fitSession(sessionId);
+          }.bind(this),
+          50,
+        );
+      }
     }
-}
-
-/* ── Export ────────────────────────────────────────────────────────── */
-window.NexusTerminal = window.NexusTerminal || {};
-window.NexusTerminal.SFTPBrowser = SFTPBrowser;
+  }
 
+  /* ── Export ────────────────────────────────────────────────────────── */
+  window.NexusTerminal = window.NexusTerminal || {};
+  window.NexusTerminal.SFTPBrowser = SFTPBrowser;
 })();
diff --git a/frontend/src/js/sidebar.js b/frontend/src/js/sidebar.js
index e580ff9..199a015 100644
--- a/frontend/src/js/sidebar.js
+++ b/frontend/src/js/sidebar.js
@@ -253,11 +253,22 @@
       const editBtn = createElement("button", "sidebar-item-edit", {
         textContent: "✎",
         title: "Edit profile",
+        type: "button",
+        "aria-label": "Edit profile",
       });
-      editBtn.addEventListener("click", (e) => {
+      let editTriggered = false;
+      const triggerEdit = (e) => {
+        e.preventDefault();
         e.stopPropagation();
+        if (editTriggered) return;
+        editTriggered = true;
+        requestAnimationFrame(() => {
+          editTriggered = false;
+        });
         this.app.profileEditor.openEdit(profile.id);
-      });
+      };
+      editBtn.addEventListener("mousedown", triggerEdit);
+      editBtn.addEventListener("click", triggerEdit);
       item.appendChild(editBtn);
 
       // Favourite star
@@ -268,8 +279,11 @@
         item.appendChild(star);
       }
 
-      // Prevent mousedown text selection in WKWebView
-      item.addEventListener("mousedown", (e) => e.preventDefault());
+      // Prevent mousedown text selection in WKWebView, but allow real controls.
+      item.addEventListener("mousedown", (e) => {
+        if (e.target.closest("button, input, select, textarea")) return;
+        e.preventDefault();
+      });
 
       // Click → connect / multi-select
       item.addEventListener("click", (e) => {
diff --git a/frontend/src/js/tabs.js b/frontend/src/js/tabs.js
index 90fe844..cf27a3a 100644
--- a/frontend/src/js/tabs.js
+++ b/frontend/src/js/tabs.js
@@ -120,6 +120,14 @@ class TabManager {
         }
     }
 
+    /**
+     * Reconnects a session by ID.
+     * @param {string} sessionId
+     */
+    reconnectSession(sessionId) {
+        return this._reconnect(sessionId);
+    }
+
     /**
      * Disconnects and closes a tab by session ID.
      * @param {string} sessionId
diff --git a/frontend/src/js/terminal.js b/frontend/src/js/terminal.js
index 206cb64..ff3174a 100644
--- a/frontend/src/js/terminal.js
+++ b/frontend/src/js/terminal.js
@@ -104,7 +104,10 @@
 
       // Drag-and-drop file handling
       container.addEventListener("dragover", (e) => {
-        if (e.dataTransfer && Array.from(e.dataTransfer.types || []).includes("Files")) {
+        if (
+          e.dataTransfer &&
+          Array.from(e.dataTransfer.types || []).includes("Files")
+        ) {
           e.preventDefault();
           e.dataTransfer.dropEffect = "copy";
         }
@@ -230,9 +233,7 @@
         webLinksAddon,
         observer,
         decoder:
-          typeof TextDecoder !== "undefined"
-            ? new TextDecoder("utf-8")
-            : null,
+          typeof TextDecoder !== "undefined" ? new TextDecoder("utf-8") : null,
       });
 
       return term;
@@ -327,6 +328,28 @@
       }
     }
 
+    /**
+     * Shows or hides the disconnected overlay for a session panel.
+     * @param {string} sessionId
+     * @param {boolean} isDisconnected
+     * @param {string} [error]
+     */
+    setDisconnectedOverlay(sessionId, isDisconnected, error) {
+      const panel = document.getElementById(`panel-${sessionId}`);
+      if (!panel) return;
+
+      const overlay = this._ensureDisconnectOverlay(panel, sessionId);
+      if (!overlay) return;
+
+      const message = overlay.querySelector(".terminal-disconnect-message");
+      if (message) {
+        message.textContent = error ? error : "Connection lost.";
+      }
+
+      panel.classList.toggle("is-disconnected", isDisconnected);
+      overlay.classList.toggle("is-visible", isDisconnected);
+    }
+
     /**
      * Searches within a terminal using the search addon.
      * @param {string} sessionId
@@ -416,6 +439,44 @@
 
     // ── Private helpers ──────────────────────────────────────────────
 
+    /**
+     * Ensures the disconnect overlay exists for a session panel.
+     * @param {HTMLElement} panel
+     * @param {string} sessionId
+     * @returns {HTMLElement|null}
+     * @private
+     */
+    _ensureDisconnectOverlay(panel, sessionId) {
+      let overlay = panel.querySelector(".terminal-disconnect-overlay");
+      if (overlay) return overlay;
+
+      const { createElement } = window.NexusTerminal;
+      if (!createElement) return null;
+
+      overlay = createElement("div", "terminal-disconnect-overlay");
+      const content = createElement("div", "terminal-disconnect-content");
+      const title = createElement("div", "terminal-disconnect-title", {
+        textContent: "DISCONNECTED",
+      });
+      const message = createElement("div", "terminal-disconnect-message", {
+        textContent: "Connection lost.",
+      });
+      const button = createElement("button", "btn btn-sm btn-primary", {
+        textContent: "Reconnect",
+      });
+      button.addEventListener("click", () => {
+        this.app.tabs.reconnectSession(sessionId);
+      });
+
+      content.appendChild(title);
+      content.appendChild(message);
+      content.appendChild(button);
+      overlay.appendChild(content);
+      panel.appendChild(overlay);
+
+      return overlay;
+    }
+
     /**
      * Shows a right-click context menu for a terminal.
      * @param {string} sessionId
@@ -540,7 +601,9 @@
         }
         if (choice === "upload") {
           if (!canUpload) {
-            this.app.notifications.error("Upload is only available for SSH sessions.");
+            this.app.notifications.error(
+              "Upload is only available for SSH sessions.",
+            );
             return;
           }
           this._uploadDroppedFiles(sessionId, files);
@@ -555,8 +618,12 @@
         const modal = createElement("div", "modal modal-sm");
         const count = files.length;
         const first = files[0];
-        const sizeLabel = first && typeof first.size === "number" ? formatBytes(first.size) : "";
-        const title = count === 1 ? (first ? first.name : "File") : count + " files";
+        const sizeLabel =
+          first && typeof first.size === "number"
+            ? formatBytes(first.size)
+            : "";
+        const title =
+          count === 1 ? (first ? first.name : "File") : count + " files";
 
         modal.innerHTML = `
                 <div class="modal-header">
@@ -648,7 +715,9 @@
         if (!remoteDir) return;
 
         if (files.length > 1) {
-          this.app.notifications.info("Uploading " + files.length + " files...");
+          this.app.notifications.info(
+            "Uploading " + files.length + " files...",
+          );
         }
 
         for (let i = 0; i < files.length; i += 1) {
@@ -664,7 +733,9 @@
             );
           } catch (err) {
             const msg = err && err.message ? err.message : String(err);
-            this.app.notifications.error("Upload failed for " + file.name + ": " + msg);
+            this.app.notifications.error(
+              "Upload failed for " + file.name + ": " + msg,
+            );
             return;
           }
         }
@@ -738,7 +809,7 @@
         });
 
         const listEl = modal.querySelector(".sftp-picker-list");
-        const breadcrumbEl = modal.querySelector("[data-role=\"breadcrumb\"]");
+        const breadcrumbEl = modal.querySelector('[data-role="breadcrumb"]');
         const pathLabel = modal.querySelector(".sftp-picker-path");
         const upBtn = modal.querySelector(".sftp-picker-up");
         const refreshBtn = modal.querySelector(".sftp-picker-refresh");
@@ -771,7 +842,9 @@
         modal
           .querySelector(".prompt-cancel")
           .addEventListener("click", () => close(null));
-        useBtn.addEventListener("click", () => close(state.selected || state.cwd));
+        useBtn.addEventListener("click", () =>
+          close(state.selected || state.cwd),
+        );
         backdrop.addEventListener("click", (e) => {
           if (e.target === backdrop) close(null);
         });
@@ -782,7 +855,9 @@
           for (let i = 0; i < segments.length; i += 1) {
             if (i > 0) {
               breadcrumbEl.appendChild(
-                createElement("span", "sftp-breadcrumb-sep", { textContent: ">" }),
+                createElement("span", "sftp-breadcrumb-sep", {
+                  textContent: ">",
+                }),
               );
             }
             const seg = segments[i];
@@ -797,9 +872,13 @@
 
         const updateStatus = () => {
           if (state.selected) {
-            statusLabel.textContent = state.selectedWritable ? "" : "No write permission";
+            statusLabel.textContent = state.selectedWritable
+              ? ""
+              : "No write permission";
           } else {
-            statusLabel.textContent = state.cwdWritable ? "" : "Current folder is read only";
+            statusLabel.textContent = state.cwdWritable
+              ? ""
+              : "Current folder is read only";
           }
         };
 
@@ -807,7 +886,9 @@
           listEl.querySelectorAll(".sftp-file-row").forEach((el) => {
             el.classList.remove("is-selected");
           });
-          const row = listEl.querySelector(`.sftp-file-row[data-index="${index}"]`);
+          const row = listEl.querySelector(
+            `.sftp-file-row[data-index="${index}"]`,
+          );
           if (row) row.classList.add("is-selected");
           state.selected = entry.path;
           state.selectedWritable = entry.canWrite !== false;
@@ -821,7 +902,11 @@
         const renderList = () => {
           listEl.innerHTML = "";
           const basePath = state.selected || state.cwd || "";
-          const suffix = state.selected ? "" : (state.cwdWritable ? "" : " (read only)");
+          const suffix = state.selected
+            ? ""
+            : state.cwdWritable
+              ? ""
+              : " (read only)";
           pathLabel.textContent = basePath + suffix;
 
           if (state.cwd && state.cwd !== "/") {
@@ -831,18 +916,23 @@
               path: this._parentPath(state.cwd),
             });
             parentRow.classList.add("is-parent");
-            parentRow.addEventListener("dblclick", () => loadDir(parentRow.dataset.path));
+            parentRow.addEventListener("dblclick", () =>
+              loadDir(parentRow.dataset.path),
+            );
             listEl.appendChild(parentRow);
           }
 
           const filtered = state.filter
-            ? state.entries.filter((entry) => entry.name.toLowerCase().includes(state.filter))
+            ? state.entries.filter((entry) =>
+                entry.name.toLowerCase().includes(state.filter),
+              )
             : state.entries;
           state.visibleEntries = filtered;
 
           if (!filtered.length) {
             const empty = createElement("div", "sftp-state");
-            empty.innerHTML = "<div class=\"sftp-state-icon\">D</div><div class=\"sftp-state-msg\">No folders found</div>";
+            empty.innerHTML =
+              '<div class="sftp-state-icon">D</div><div class="sftp-state-msg">No folders found</div>';
             listEl.appendChild(empty);
             state.cursorIndex = -1;
             updateStatus();
@@ -873,7 +963,8 @@
         const renderLoading = () => {
           listEl.innerHTML = "";
           const s = createElement("div", "sftp-state");
-          s.innerHTML = "<div class=\"sftp-spinner\"></div><div class=\"sftp-state-msg\">Loading...</div>";
+          s.innerHTML =
+            '<div class="sftp-spinner"></div><div class="sftp-state-msg">Loading...</div>';
           listEl.appendChild(s);
         };
 
@@ -881,11 +972,14 @@
           listEl.innerHTML = "";
           const s = createElement("div", "sftp-state");
           s.innerHTML =
-            "<div class=\"sftp-state-icon\">!</div>" +
-            "<div class=\"sftp-state-msg\">" + escapeHtml(msg) + "</div>" +
-            "<button class=\"btn btn-sm btn-secondary sftp-state-retry\">Retry</button>";
+            '<div class="sftp-state-icon">!</div>' +
+            '<div class="sftp-state-msg">' +
+            escapeHtml(msg) +
+            "</div>" +
+            '<button class="btn btn-sm btn-secondary sftp-state-retry">Retry</button>';
           const retryBtn = s.querySelector(".sftp-state-retry");
-          if (retryBtn) retryBtn.addEventListener("click", () => loadDir(state.cwd));
+          if (retryBtn)
+            retryBtn.addEventListener("click", () => loadDir(state.cwd));
           listEl.appendChild(s);
         };
 
@@ -894,16 +988,27 @@
           state.loading = true;
           renderLoading();
           try {
-            const targetPath = path || (await window.go.api.Service.SFTPPwd(sessionId));
-            const files = await window.go.api.Service.SFTPList(sessionId, targetPath);
-            const stat = await window.go.api.Service.SFTPStat(sessionId, targetPath);
+            const targetPath =
+              path || (await window.go.api.Service.SFTPPwd(sessionId));
+            const files = await window.go.api.Service.SFTPList(
+              sessionId,
+              targetPath,
+            );
+            const stat = await window.go.api.Service.SFTPStat(
+              sessionId,
+              targetPath,
+            );
             state.cwd = targetPath;
             state.selected = "";
             state.selectedWritable = true;
             state.cwdWritable = stat && this._modeCanWrite(stat.mode);
-            state.entries = (files || []).filter((e) => e.isDir).sort((a, b) =>
-              a.name.localeCompare(b.name, undefined, { sensitivity: "base" }),
-            );
+            state.entries = (files || [])
+              .filter((e) => e.isDir)
+              .sort((a, b) =>
+                a.name.localeCompare(b.name, undefined, {
+                  sensitivity: "base",
+                }),
+              );
             state.entries = state.entries.map((entry) => {
               const canRead = this._modeCanRead(entry.mode);
               const canWrite = this._modeCanWrite(entry.mode);
@@ -972,9 +1077,10 @@
           }
         });
 
-        const initial = this.app.sftp && typeof this.app.sftp.getCwd === "function"
-          ? this.app.sftp.getCwd(sessionId)
-          : "";
+        const initial =
+          this.app.sftp && typeof this.app.sftp.getCwd === "function"
+            ? this.app.sftp.getCwd(sessionId)
+            : "";
         loadDir(initial || "");
       });
     }
@@ -986,7 +1092,9 @@
         dataset.index = String(index);
       }
       const row = createElement("div", "sftp-file-row", { dataset });
-      const icon = createElement("span", "sftp-file-icon is-dir", { textContent: "DIR" });
+      const icon = createElement("span", "sftp-file-icon is-dir", {
+        textContent: "DIR",
+      });
       const name = createElement("span", "sftp-file-name", {
         textContent: entry.name || entry.path || "",
         title: entry.name || entry.path || "",
@@ -997,7 +1105,9 @@
       } else if (entry.canWrite === false) {
         metaLabel = "READ ONLY";
       }
-      const meta = createElement("span", "sftp-file-meta", { textContent: metaLabel });
+      const meta = createElement("span", "sftp-file-meta", {
+        textContent: metaLabel,
+      });
       row.appendChild(icon);
       row.appendChild(name);
       row.appendChild(meta);
diff --git a/frontend/wailsjs/go/api/Service.d.ts b/frontend/wailsjs/go/api/Service.d.ts
index cbeded4..33f97c6 100755
--- a/frontend/wailsjs/go/api/Service.d.ts
+++ b/frontend/wailsjs/go/api/Service.d.ts
@@ -41,6 +41,10 @@ export function ExportProfiles(arg1:boolean):Promise<string>;
 
 export function ExportProfilesEncrypted(arg1:Array<string>,arg2:string):Promise<string>;
 
+export function FileExists(arg1:string):Promise<boolean>;
+
+export function FileIsPrivateKey(arg1:string):Promise<boolean>;
+
 export function GetAppInfo():Promise<Record<string, string>>;
 
 export function GetPreferences():Promise<models.AppPreferences>;
@@ -49,6 +53,8 @@ export function GetProfile(arg1:string):Promise<models.Profile>;
 
 export function GetRecording(arg1:string):Promise<Record<string, any>>;
 
+export function GetSessionCwd(arg1:string):Promise<string>;
+
 export function GetSessionHistory(arg1:string):Promise<Array<Record<string, any>>>;
 
 export function GetTOTPCode(arg1:string):Promise<string>;
@@ -87,6 +93,8 @@ export function ListProfilesByTag(arg1:string):Promise<Array<models.Profile>>;
 
 export function ListRecordings():Promise<Array<Record<string, any>>>;
 
+export function ListSSHKeys():Promise<Array<string>>;
+
 export function ListSessions():Promise<Array<models.SessionInfo>>;
 
 export function ListSnippets():Promise<Array<models.Snippet>>;
@@ -119,8 +127,12 @@ export function SFTPRemove(arg1:string,arg2:string):Promise<void>;
 
 export function SFTPRename(arg1:string,arg2:string,arg3:string):Promise<void>;
 
+export function SFTPStat(arg1:string,arg2:string):Promise<Record<string, any>>;
+
 export function SFTPUpload(arg1:string,arg2:string):Promise<void>;
 
+export function SFTPUploadData(arg1:string,arg2:string,arg3:string,arg4:string):Promise<void>;
+
 export function SaveFile(arg1:string,arg2:string):Promise<string>;
 
 export function SavePreferences(arg1:models.AppPreferences):Promise<void>;
diff --git a/frontend/wailsjs/go/api/Service.js b/frontend/wailsjs/go/api/Service.js
index 619c9f3..afe90fd 100755
--- a/frontend/wailsjs/go/api/Service.js
+++ b/frontend/wailsjs/go/api/Service.js
@@ -78,6 +78,14 @@ export function ExportProfilesEncrypted(arg1, arg2) {
   return window['go']['api']['Service']['ExportProfilesEncrypted'](arg1, arg2);
 }
 
+export function FileExists(arg1) {
+  return window['go']['api']['Service']['FileExists'](arg1);
+}
+
+export function FileIsPrivateKey(arg1) {
+  return window['go']['api']['Service']['FileIsPrivateKey'](arg1);
+}
+
 export function GetAppInfo() {
   return window['go']['api']['Service']['GetAppInfo']();
 }
@@ -94,6 +102,10 @@ export function GetRecording(arg1) {
   return window['go']['api']['Service']['GetRecording'](arg1);
 }
 
+export function GetSessionCwd(arg1) {
+  return window['go']['api']['Service']['GetSessionCwd'](arg1);
+}
+
 export function GetSessionHistory(arg1) {
   return window['go']['api']['Service']['GetSessionHistory'](arg1);
 }
@@ -170,6 +182,10 @@ export function ListRecordings() {
   return window['go']['api']['Service']['ListRecordings']();
 }
 
+export function ListSSHKeys() {
+  return window['go']['api']['Service']['ListSSHKeys']();
+}
+
 export function ListSessions() {
   return window['go']['api']['Service']['ListSessions']();
 }
@@ -234,10 +250,18 @@ export function SFTPRename(arg1, arg2, arg3) {
   return window['go']['api']['Service']['SFTPRename'](arg1, arg2, arg3);
 }
 
+export function SFTPStat(arg1, arg2) {
+  return window['go']['api']['Service']['SFTPStat'](arg1, arg2);
+}
+
 export function SFTPUpload(arg1, arg2) {
   return window['go']['api']['Service']['SFTPUpload'](arg1, arg2);
 }
 
+export function SFTPUploadData(arg1, arg2, arg3, arg4) {
+  return window['go']['api']['Service']['SFTPUploadData'](arg1, arg2, arg3, arg4);
+}
+
 export function SaveFile(arg1, arg2) {
   return window['go']['api']['Service']['SaveFile'](arg1, arg2);
 }
diff --git a/internal/api/api.go b/internal/api/api.go
index 7527a50..3e8ea7f 100644
--- a/internal/api/api.go
+++ b/internal/api/api.go
@@ -3,14 +3,17 @@
 package api
 
 import (
+	"bytes"
 	"context"
 	"encoding/base64"
 	"encoding/json"
 	"fmt"
 	"net"
+	"os"
 	"path"
 	"path/filepath"
 	"runtime"
+	"sort"
 	"strings"
 	"sync"
 	"time"
@@ -145,6 +148,99 @@ func (s *Service) ListProfiles() ([]models.Profile, error) {
 	return derefProfiles(profiles), nil
 }
 
+// ListSSHKeys returns absolute paths to candidate SSH private keys in ~/.ssh.
+func (s *Service) ListSSHKeys() ([]string, error) {
+	home, err := os.UserHomeDir()
+	if err != nil {
+		return []string{}, nil
+	}
+
+	dir := filepath.Join(home, ".ssh")
+	entries, err := os.ReadDir(dir)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return []string{}, nil
+		}
+		return nil, err
+	}
+
+	ignored := map[string]bool{
+		"authorized_keys":  true,
+		"authorized_keys2": true,
+		"config":           true,
+		"known_hosts":      true,
+		"known_hosts.old":  true,
+		"ssh_config":       true,
+		"ssh_known_hosts":  true,
+		"ssh_known_hosts2": true,
+	}
+
+	keys := make([]string, 0)
+	for _, entry := range entries {
+		if entry.IsDir() {
+			continue
+		}
+		name := entry.Name()
+		if ignored[name] {
+			continue
+		}
+		if strings.HasSuffix(name, ".pub") {
+			continue
+		}
+		if strings.HasSuffix(name, ".old") {
+			continue
+		}
+		fullPath := filepath.Join(dir, name)
+		if !isLikelyPrivateKey(fullPath) {
+			continue
+		}
+		keys = append(keys, fullPath)
+	}
+
+	sort.Strings(keys)
+	return keys, nil
+}
+
+func isLikelyPrivateKey(path string) bool {
+	file, err := os.Open(path)
+	if err != nil {
+		return false
+	}
+	defer file.Close()
+
+	buf := make([]byte, 512)
+	n, err := file.Read(buf)
+	if err != nil && n == 0 {
+		return false
+	}
+	head := buf[:n]
+
+	if bytes.HasPrefix(head, []byte("openssh-key-v1")) {
+		return true
+	}
+
+	if bytes.Contains(head, []byte("BEGIN OPENSSH PRIVATE KEY")) {
+		return true
+	}
+	if bytes.Contains(head, []byte("BEGIN RSA PRIVATE KEY")) {
+		return true
+	}
+	if bytes.Contains(head, []byte("BEGIN DSA PRIVATE KEY")) {
+		return true
+	}
+	if bytes.Contains(head, []byte("BEGIN EC PRIVATE KEY")) {
+		return true
+	}
+	if bytes.Contains(head, []byte("BEGIN ED25519 PRIVATE KEY")) {
+		return true
+	}
+	if bytes.Contains(head, []byte("BEGIN PRIVATE KEY")) {
+		return true
+	}
+
+	return false
+}
+
 // SearchProfiles searches profiles by display name, host, or tags.
 func (s *Service) SearchProfiles(query string) ([]models.Profile, error) {
 	profiles, err := s.store.SearchProfiles(query)
@@ -733,6 +829,29 @@ func (s *Service) SaveFile(title string, defaultName string) (string, error) {
 	return path, nil
 }
 
+// FileExists returns true if the path exists and is not a directory.
+func (s *Service) FileExists(path string) (bool, error) {
+	if path == "" {
+		return false, nil
+	}
+	info, err := os.Stat(path)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return false, nil
+		}
+		return false, err
+	}
+	return !info.IsDir(), nil
+}
+
+// FileIsPrivateKey returns true if the path appears to be an SSH private key.
+func (s *Service) FileIsPrivateKey(path string) (bool, error) {
+	if path == "" {
+		return false, nil
+	}
+	return isLikelyPrivateKey(path), nil
+}
+
 // GetAppInfo returns build and environment information.
 func (s *Service) GetAppInfo() map[string]string {
 	return map[string]string{