Release 1.0.87

What's Changed

• AI tab: name the AI tool's exit and the resume command instead of a silent shell by @rihards-freimanis in #503
• Run the env open/build/deploy preflight once per environment, not once per tab by @rihards-freimanis in #504
• Diagnostics console: persistent per-env erun trace + UI action trace, erun --debug-output by @rihards-freimanis in #507
• Always capture the per-env trace log; drop the --debug-output opt-in by @rihards-freimanis in #509
• Diagnostics console: pin pane toolbars outside the scroll regions, add Copy report by @rihards-freimanis in #515
• Diagnostics console: merge host and in-pod traces for remote envs by @rihards-freimanis in #517
• Raise the integration coverage gate to 75% and enforce it in CI by @rihards-freimanis in #518
• Remove GitHub Actions CI: erun will own its build system and merge queue by @rihards-freimanis in #522
• Implement the open issue backlog: published devops chart, postgres reset, plain prompts, test isolation, dead code, docs drift by @rihards-freimanis in #523

Full Changelog: v1.0.86...v1.0.87