wip

internal/app/sidebar.go

@@ -22,6 +22,7 @@ func (st *uiState) drawSidebar() {
 	st.mu.Lock()
 	palOpen := st.palette != nil
 	focus := st.focusedID
+	focusPad := st.focusedPad
 	activeAgent := st.activeAgentID
 	st.mu.Unlock()
 	if palOpen {
@@ -130,30 +131,24 @@ func (st *uiState) drawSidebar() {
 		write(line)
 	}
 
-	// Scratchpads list — pick the most-recently-modified one as the
-	// preview target. SPEC §4.
-	var previewName string
+	// Scratchpads list — names only. The preview pane used to live
+	// here and clobbered the main viewport when content overflowed the
+	// rail. Focus moves to a pad via Ctrl+W/S; the content renders in
+	// the main viewport via repaintFocusedPad. SPEC §4.
 	if row+2 <= maxRow {
 		write("")
 		writeHeader("Scratchpads")
-		entries, err := st.pads.List()
-		if err == nil {
+		entries := st.padsList()
+		if entries != nil {
 			if len(entries) == 0 {
 				write("   " + styleDim + "(none)" + styleReset)
 			} else {
-				var newestTS string
-				for _, e := range entries {
-					if e.ModifiedAt > newestTS {
-						newestTS = e.ModifiedAt
-						previewName = e.Name
-					}
-				}
 				for _, e := range entries {
 					if row > maxRow {
 						break
 					}
 					var line string
-					if e.Name == previewName {
+					if e.Name == focusPad {
 						line = " " + styleAccent + "▎" + styleReset + " " +
 							styleBold + e.Name + styleReset
 					} else {
@@ -165,22 +160,6 @@ func (st *uiState) drawSidebar() {
 		}
 	}
 
-	// Preview pane: dim file content under a thin divider.
-	if previewName != "" && row+2 <= maxRow {
-		write("")
-		write(" " + styleBorder + strings.Repeat("─", width-2) + styleReset)
-		write(" " + styleActive + previewName + styleReset)
-		content, _, err := st.pads.Read(previewName)
-		if err == nil {
-			for _, line := range strings.Split(content, "\n") {
-				if row > maxRow {
-					break
-				}
-				write(" " + styleDim + line + styleReset)
-			}
-		}
-	}
-
 	// Blank-fill any rows the rail content didn't cover so stale
 	// content from a previous redraw doesn't linger.
 	for row <= maxRow {