feat: harden local shell, SFTP, and desktop session reliability

Finder-launched terminals now inherit a login PATH so tools like ollama resolve, destructive SFTP/editor actions require confirmation, and terminal search plus window dragging work again. SSH forwards and RDP sessions keep listeners and survive reconnect without FastPath crashes.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/index.css

@@ -81,22 +81,32 @@
   --hairline:        rgba(148, 163, 184, 0.10);
   --hairline-strong: rgba(148, 163, 184, 0.16);
 
-  /* Accent */
+  /* Accent (+ RGB channels for Tailwind opacity modifiers) */
   --color-accent-blue:         #3b82f6;
+  --color-accent-blue-rgb:     59 130 246;
   --color-accent-blue-hover:   #60a5fa;
+  --color-accent-blue-hover-rgb: 96 165 250;
   --color-accent-green:        #10b981;
+  --color-accent-green-rgb:    16 185 129;
   --color-accent-purple:       #8b5cf6;
+  --color-accent-purple-rgb:   139 92 246;
   --color-accent-orange:       #f97316;
+  --color-accent-orange-rgb:   249 115 22;
   --color-accent-red:          #ef4444;
+  --color-accent-red-rgb:      239 68 68;
 
-  /* Feedback */
+  /* Feedback (+ RGB for Tailwind opacity) */
   --color-feedback-success:       #10b981;
+  --color-feedback-success-rgb:   16 185 129;
   --color-feedback-success-bg:    #064e3b;
   --color-feedback-warning:       #f59e0b;
+  --color-feedback-warning-rgb:   245 158 11;
   --color-feedback-warning-bg:    #78350f;
   --color-feedback-error:         #ef4444;
+  --color-feedback-error-rgb:     239 68 68;
   --color-feedback-error-bg:      #7f1d1d;
   --color-feedback-info:          #3b82f6;
+  --color-feedback-info-rgb:      59 130 246;
   --color-feedback-info-bg:       #1e3a5f;
 
   /* Placeholder */
@@ -119,7 +129,7 @@
   box-sizing: border-box;
 }
 
-/* Light theme hairlines (useTheme also sets these via tokens) */
+/* Light theme hairlines + chrome tweaks (useTheme also sets tokens) */
 [data-theme='light'] {
   --color-border:         rgba(15, 23, 42, 0.06);
   --color-border-subtle:  rgba(15, 23, 42, 0.04);
@@ -128,6 +138,16 @@
   --hairline-soft:   rgba(15, 23, 42, 0.05);
   --hairline:        rgba(15, 23, 42, 0.08);
   --hairline-strong: rgba(15, 23, 42, 0.12);
+  /* Terminal chrome stays dark regardless of UI theme */
+  --color-terminal-bg: #0f172a;
+}
+
+[data-theme='light'] .ui-nav-item-active {
+  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
+}
+
+[data-theme='light'] .ui-select-pill {
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
 }
 
 /*
@@ -224,6 +244,14 @@ html, body {
   app-region: no-drag;
 }
 
+/* SFTP cross-pane pointer drag — block native text selection while dragging files */
+body.sftp-pointer-dragging,
+body.sftp-pointer-dragging * {
+  -webkit-user-select: none !important;
+  user-select: none !important;
+  cursor: grabbing !important;
+}
+
 /* Buttons/inputs inside drag regions stay clickable */
 .titlebar-drag button,
 .titlebar-drag a,
@@ -257,13 +285,14 @@ html, body {
   background: var(--color-scrollbar-thumb-h);
 }
 
-/* Terminal styles */
-.terminal-container {
+/* Terminal styles — always dark canvas (independent of UI light/dark) */
+.terminal-container,
+.terminal-surface {
   background-color: var(--color-terminal-bg);
-  padding: 8px;
-  border-radius: 4px;
-  height: 100%;
-  overflow: auto;
+}
+
+.terminal-overlay-scrim {
+  background-color: color-mix(in srgb, var(--color-terminal-bg) 92%, transparent);
 }
 
 /* XTerm.js styles */
@@ -482,8 +511,8 @@ button {
   align-items: center;
   justify-content: center;
   flex-shrink: 0;
-  background-color: rgba(59, 130, 246, 0.12);
-  border: 1px solid rgba(59, 130, 246, 0.2);
+  background-color: color-mix(in srgb, var(--color-accent-blue) 12%, transparent);
+  border: 1px solid color-mix(in srgb, var(--color-accent-blue) 22%, transparent);
   color: var(--color-accent-blue);
 }
 
@@ -519,9 +548,9 @@ button {
 }
 
 .ui-nav-item-active {
-  background-color: rgba(59, 130, 246, 0.12);
+  background-color: color-mix(in srgb, var(--color-accent-blue) 12%, transparent);
   color: var(--color-content-primary);
-  border-color: rgba(59, 130, 246, 0.25);
+  border-color: color-mix(in srgb, var(--color-accent-blue) 28%, transparent);
   box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
 }
 
@@ -539,7 +568,7 @@ button {
 
 .launcher-card:hover,
 .launcher-row:hover {
-  border-color: rgba(59, 130, 246, 0.45);
+  border-color: color-mix(in srgb, var(--color-accent-blue) 45%, transparent);
   background: var(--color-surface-overlay);
 }
 
@@ -620,3 +649,28 @@ button {
   background-size: 200% 100%;
   animation: shimmer 1.5s ease-in-out infinite;
 }
+
+/* SFTP dual-pane: drop trailing meta first so ordinary names stay readable */
+.sftp-file-panel {
+  container-type: inline-size;
+  container-name: sftp-panel;
+}
+.sftp-file-panel .sftp-col-name {
+  flex: 1 1 auto;
+  min-width: 8rem;
+}
+@container sftp-panel (max-width: 480px) {
+  .sftp-col-type {
+    display: none;
+  }
+}
+@container sftp-panel (max-width: 400px) {
+  .sftp-col-size {
+    display: none;
+  }
+}
+@container sftp-panel (max-width: 320px) {
+  .sftp-col-modified {
+    display: none;
+  }
+}