{"case": "reject_foreign_tab", "status": "PASS", "evidence": {"protocol": "signaltty/1", "id": "qa", "ok": false, "error": {"code": "BAD_PARAMS", "message": "tab belongs to another workspace"}}}
{"case": "layout_cannot_orphan_live_panes", "status": "PASS", "evidence": {"set_layout": {"protocol": "signaltty/1", "id": "qa", "ok": false, "error": {"code": "BAD_PARAMS", "message": "layout must contain every pane owned by the tab"}}, "after_close": {"protocol": "signaltty/1", "id": "qa", "ok": false, "error": {"code": "NO_SUCH_PANE", "message": "pane_b6a1ed5fd3bb408aac877e3eff8dc35a"}}}}
{"case": "reject_duplicate_layout_panes", "status": "PASS", "evidence": {"protocol": "signaltty/1", "id": "qa", "ok": false, "error": {"code": "BAD_PARAMS", "message": "invalid layout: duplicate pane pane_d09e1425969849c5bf275a59e41d31ab"}}}
{"case": "layout_ratio_cannot_collapse_panes", "status": "PASS", "evidence": {"protocol": "signaltty/1", "id": "qa", "ok": true, "result": {"tab": {"active_pane_id": "pane_5562751b4eba4f8587dee5f3a682fb6c", "created_at": "2026-09-29T20:51:54.923832143Z", "id": "tab_4e0b96ffeb4b4706a078eb5bea52cf92", "layout": {"dir": "right", "first": {"pane_id": "pane_a90a4fc8341145ac9fd7ac9e74ea22d0", "type": "pane"}, "ratio": 0.949999988079071, "second": {"pane_id": "pane_5562751b4eba4f8587dee5f3a682fb6c", "type": "pane"}, "type": "split"}, "title": "agents", "workspace_id": "ws_f532f664c75c435fbc78b0bc88badfeb"}}}}
{"case": "failed_spawn_is_atomic", "status": "PASS", "evidence": {"error": {"protocol": "signaltty/1", "id": "qa", "ok": false, "error": {"code": "SPAWN_FAILED", "message": "spawn failed: Unable to spawn /tmp/signaltty-qa-4yu3u592/missing-command because it doesn't exist on the filesystem or is not executable (ENOENT: No such file or directory)"}}, "tabs_before": [], "tabs_after": []}}
{"failed": 0, "cases": []}