v1.9.0

asheshgoplani/agent-deckv1.9.0May 11, 2026by asheshgoplani

AI Summary

A major version release focusing on robustness, logging enhancements, and preventing cascading failures in MCP pools through better process isolation and error handling.

Key Highlights

Spawned each MCP child in its own systemd scope to prevent cascading failures.
Added SafeGo panic-recovery wrapper for goroutines.
Introduced shared hook-to-status derivation package.
Implemented Phase 1 test infrastructure with 8 harnesses.
Added top 10 logging additions.

New Features

SafeGo panic-recovery wrapper
Shared hook-to-status derivation package
Test harness infrastructure

Full Release Notes

## Agent Deck v1.9.0

Terminal session manager for AI coding agents.

### Installation

**Homebrew (recommended):**
```bash
brew install asheshgoplani/tap/agent-deck
```

**Quick Install:**
```bash
curl -fsSL https://raw.githubusercontent.com/asheshgoplani/agent-deck/main/install.sh | bash
```

**Go Install:**
```bash
go install github.com/asheshgoplani/agent-deck/cmd/agent-deck@v1.9.0
```

## Changelog
* a35d237fe9abe3791f6100d13349699a1e33c095 chore(v1.9.x): three small followups (sentinel, busy-retry, gh-normalizers) (#905)
* a67a7c643d32a6a461e4c66dbbb2c13fbb089f8d feat(logging): land 8 of top-10 logging additions for v1.9 (T3) (#914)
* ea4d557c8f524fa9d74d06b9fb694f9cd0e3a333 feat(mcppool): spawn each MCP child in its own systemd scope (cascade prevention) (#902)
* 4d19834d0c1ee3bd1cd9f3fdfd0357f80c9781c6 feat(safego): add safeGo() panic-recovery wrapper + apply to 4 fire-and-forget goroutines (#901)
* d7a36d8d93191cf27560c3ce61ce3ce9a6d9c600 feat(sessionstatus): introduce shared hook→status derivation package (#898)
* f704e4779d81d19107f3fa86710caf8297b14f31 feat(testutil): Phase 1 test infrastructure — 8 harnesses (#916)
* a896f915cd4ea00fba464e0fc53985187903726b feat(v1.9): consolidate sister-function clusters S1/S2/S3 (#913)
* 9e39164455f145dbb8394dfed81a194ffce38cb7 fix(hooks): inotify overflow recovery + WARN-log silent swallows + flicker detector (#900)
* 95af6e1650de9f15986aac24e653e86148b566dc fix(mcppool): prevent duplicate MCP children for same (session, name) (cascade trigger) (#904)
* 7d3d6f21e9ce920d3380564a2b449bbdfedb3a1a fix(mcppool): v1.9.0 release blocker — close FD leak + race in HTTPServer.Start, surface inner exit from systemd-run (#931)
* e312ffa1946d007704fc5c95d1d95b0a5080460d fix(statedb,conductor): atomic writes + withBusyRetry helper (T7) (#912)
* b4439c697f626a789b38aca8e66e4ccfbf7d1fc6 fix(v1.9-t5): plug FD leaks, close watcher channels, extend ptmx mutex (#915)
* 7dbcaf46133f11a81fd1123a566e1d13d4800c63 release: prepare v1.9.0 changelog
* bc4e25db248bb227e5a8fe297497c77c92bf80b0 test(send): rewrite 8 canonization tests + add Waiting/Error/Idle parity tests (T4 v1.9) (#899)
* a448bfc67d7f2cb4c9e07bdd277c2a5a63302886 test(v1.9): Phase 1 regression coverage (12 cases, P0 use-case + v1.8.x regression scenarios) (#903)

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**Full Changelog**: https://github.com/asheshgoplani/agent-deck/compare/v1.8.3...v1.9.0