Rename open to stalled and autopilot to auto-confirm; add pushed state; declare idempotency; propose maturity and projects model (RBT-WP-0008)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

Assistant: claude-code
Assistant-Model: sonnet
Assistant-Process: 295952@bnt-lap001
Assistant-Session: e93f64ad-516c-46eb-9666-aad8d300c477

rtut/ui.py

@@ -47,7 +47,7 @@ SMILEYS = (("good", "🙂", "Went well"), ("neutral", "😐", "So-so"), ("poor",
 
 def score_line(c: dict) -> str:
     return (f"tried {c['tried']} · succeeded {c['succeeded']} · failed {c['failed']} · "
-            f"abandoned {c['abandoned']} · open {c['open']}")
+            f"abandoned {c['abandoned']} · stalled {c['stalled']}")
 
 
 class App:
@@ -147,7 +147,7 @@ class App:
         btns.append("<button name=outcome value=abandoned onclick=\"return confirm('Abandon this run?')\">Abandon run</button>")
         return (f"<div id=close class=step><h2>Close this run</h2>"
                 "<p class=note>Finishing records the outcome in the pack's score. A finished run is read-only. "
-                "Runs left open for a week count as abandoned.</p>"
+                "Unfinished runs count as stalled, and as abandoned after a week.</p>"
                 f"<form method=post action='/run/{i}/{e(rid)}/finalize'>{self.hidden()}"
                 "<p><input name=note class=grow style='width:100%' placeholder='comment (optional)'></p>"
                 f"<p class=row>{' '.join(btns)}</p></form></div>")