v0.0.76

[devsuitup]

• (sidebar): show CLI status and age for local sessions too #254 (sidebar): show CLI status and age for local sessions too
• (remote): keep descriptors on a failed refresh, let a manual refresh force reconnection #255 (remote): keep descriptors on a failed refresh, let a manual refresh force reconnection
• (remote): make a solo tmux attach look and behave like a local terminal #256 (remote): solo attach parity with the local terminal
• (remote): bind watch-channel handlers to their child, add ssh keepalive and failure logs #258 audit lot A: watcher restart leak on settings toggle
• (activity): remote decay clears busy without claiming response-ready; PTY purge skips remote rows #259 audit lot B
• (test): run trigger-watcher timing tests serially with a load tolerance #261 (test): two-stage runner, tolerant timing tests
• (sessions): probe descriptor liveness on both sides, verify the pid before a tmux attach #262 audit lot C: pid liveness (local re-probe, remote ALIVE marker, attach refusal on recycled pid)
• (restore): retry the cold-cache restore until indexing is done, not once #263 (restore): retry the cold-cache restore until indexing is done
• test: give the W4 concurrency test a real ceiling #264 (test): W4 concurrency test ceiling