Add --models parameter for quick model cycling with Ctrl+P

- Add --models CLI arg accepting comma-separated patterns
- Implement smart matching: prefers aliases over dated versions
- Add Ctrl+P to cycle through scoped models (or all if no scope)
- Show model scope hint at startup
- Update help text with examples

Co-authored-by: Tino Ehrich <tino.ehrich@hey.com>

packages/coding-agent/src/tui/custom-editor.ts

@@ -7,8 +7,15 @@ export class CustomEditor extends Editor {
 	public onEscape?: () => void;
 	public onCtrlC?: () => void;
 	public onShiftTab?: () => void;
+	public onCtrlP?: () => void;
 
 	handleInput(data: string): void {
+		// Intercept Ctrl+P for model cycling
+		if (data === "\x10" && this.onCtrlP) {
+			this.onCtrlP();
+			return;
+		}
+
 		// Intercept Shift+Tab for thinking level cycling
 		if (data === "\x1b[Z" && this.onShiftTab) {
 			this.onShiftTab();