bee1f82405
20 integration scenarios (5gg, SPC leader, escape progression, timeout, mode switch, which-key, stress tests) and 8 proptest invariants (roundtrip, never-panic, non-Press ignored, count >= 1, escape clears state). Ultraworked with [Sisyphus](https://github.com/code-yeongyu/claude-agent) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>