fix(coding-agent): prevent session selector from closing immediately when current folder has no sessions

Remove auto-cancel in loadCurrentSessions() so users can press Tab to switch
to "all" scope. Add context-aware empty state messages.

packages/coding-agent/CHANGELOG.md

@@ -7,6 +7,10 @@
 - Extension example: `notify.ts` for desktop notifications via OSC 777 escape sequence ([#658](https://github.com/badlogic/pi-mono/pull/658) by [@ferologics](https://github.com/ferologics))
 - Inline hint for queued messages showing the `Alt+Up` restore shortcut ([#657](https://github.com/badlogic/pi-mono/pull/657) by [@tmustier](https://github.com/tmustier))
 
+### Fixed
+
+- Session selector now stays open when current folder has no sessions, allowing Tab to switch to "all" scope ([#661](https://github.com/badlogic/pi-mono/pull/661) by [@aliou](https://github.com/aliou))
+
 ## [0.43.0] - 2026-01-11
 
 ### Breaking Changes

packages/coding-agent/src/modes/interactive/components/session-selector.ts

@@ -145,7 +145,13 @@ class SessionList implements Component {
 		lines.push(""); // Blank line after search
 
 		if (this.filteredSessions.length === 0) {
-			lines.push(theme.fg("muted", "  No sessions found"));
+			if (this.showCwd) {
+				// "All" scope - no sessions anywhere that match filter
+				lines.push(theme.fg("muted", "  No sessions found"));
+			} else {
+				// "Current folder" scope - hint to try "all"
+				lines.push(theme.fg("muted", "  No sessions in current folder. Press Tab to view all."));
+			}
 			return lines;
 		}
 
@@ -298,10 +304,6 @@ export class SessionSelectorComponent extends Container {
 			this.header.setLoading(false);
 			this.sessionList.setSessions(sessions, false);
 			this.requestRender();
-			// If no sessions found, cancel
-			if (sessions.length === 0) {
-				this.onCancel();
-			}
 		});
 	}