feat(editor): add Run help hint and rename from project list

Show a help icon when Run is disabled, open the relevant instruction section
on click, and position its tooltip below-left. Add Rename project to the home
screen project card menu.

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

app/renderer/shared/ui/Controls.module.css

@@ -23,7 +23,7 @@
   padding: 0 8px;
 }
 
-.tooltip {
+.tooltipTop {
   position: fixed;
   transform: translate(-50%, calc(-100% - 8px));
   padding: 6px 10px;
@@ -39,6 +39,24 @@
   white-space: nowrap;
 }
 
+.tooltipBottomLeft {
+  position: fixed;
+  transform: translate(-100%, 8px);
+  padding: 6px 10px;
+  border-radius: var(--radius-xs);
+  font-size: var(--text-xs);
+  font-weight: 600;
+  line-height: 1.35;
+  color: rgba(255, 255, 255, 0.95);
+  background: var(--color-tooltip-bg);
+  border: 1px solid var(--stroke-2);
+  box-shadow: var(--shadow-tooltip);
+  pointer-events: none;
+  z-index: var(--z-tooltip);
+  max-width: min(320px, calc(100vw - 16px));
+  white-space: normal;
+}
+
 .input {
   height: 34px;
   width: 100%;