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Changelog

[Unreleased]

[v0.2.0] - 2026-05-13

Added

  • New non-rendered run_complete event in the canonical event log carrying { marker, inputRunSeq }, so automation consumers can correlate input_run with completion without scanning rendered output (#55, tracking #21).
  • release:prep and release:finalize npm scripts plus pinned release-it config for an opinionated release-prep workflow that updates package version files, creates a single release/<version> commit, and tags v${version} from a clean, synced main without ever publishing or creating GitHub Releases (#72).
  • "Agent Demo" section in the README and an evergreen dogfood/agent-uses-agent-tty/ bundle that records Codex and Claude TUIs driving nvim --clean through agent-tty, with outer/inner WebMs, asciicasts, transcripts, thumbnails, and a reproduce.sh script (#54).
  • dogfood/issue-21-run-completion-clean/ verification bundle proving snapshots, screenshots, asciicasts, WebM, and the output event stream contain no completion-marker bytes while the public run envelope still exposes marker, completed, and durationMs (#55).
  • AFK Triage maintainer flow under .sandcastle/ that fans out Claude Code triage agents across needs-triage / active needs-info GitHub issues, each in its own per-issue Coder workspace on dev.coder.com with a real coder/agent-tty checkout, governed by docs/adr/0004-afk-triage-apply-policy.md and the AFK comment marker policy (#86, #89).

Changed

  • run --wait no longer leaks its internal completion marker into rendered artifacts. Completion is signaled via an APC sentinel consumed by the host PTY ingestion path before output events are appended, with a defensive scrub for any echoed printf postamble. Waits resolve on the new run_complete event instead of polling rendered snapshots for marker text. The public run JSON envelope is unchanged (#55, tracking #21).
  • Asciicast export now explicitly skips non-rendered events (input_text, input_paste, input_keys, input_run, run_complete, signal, exit) so recordings only contain o, r, and m frames (#55).
  • wait --text / --regex / --screen-stable-ms / --cursor-row / --cursor-col validation is centralized in a shared render-wait matcher used by both live host polling and CLI offline replay fallback. Invalid, unsafe (nested-quantifier), or out-of-range patterns are rejected locally with INVALID_INPUT before any RPC or offline replay snapshot work. Public wait JSON shapes and human output are unchanged (#76).
  • Renderer dispose now uses a per-lifecycle ResourceScope for deterministic LIFO release of page, browser context, browser, and local server. Public dispose() remains best-effort and resolves successfully; individual cleanup failures are now surfaced through the logger as warn entries with { name, error } instead of being silently swallowed. Concurrent artifact-manifest appends route through a generic KeyedSerializer<string> while preserving existing serialization semantics (#83).
  • AbortSignal is now threaded through host-side wait, waitForRender, run completion, lifecycle polling, and sendRpc, with timers, sockets, and listeners registered against ResourceScope. The RPC server also aborts the per-request context when a client socket closes, so abandoned RPC requests release host resources promptly instead of running to timeout. A bounded 1s liveness probe on the existing RPC socket avoids indefinite hangs during host startup when a stale socket neither accepts nor rejects a connection promptly. Public JSON envelopes and protocol schemas are unchanged (#94, fixes #84).
  • The supported Node range is now >=24.0.0 <27 and the project toolchain is pinned to Node 26.1.0. Playwright is bumped to 1.60.0, which ships the upstream fix for the Node 26 playwright install chromium extraction hang (microsoft/playwright#40724) that previously forced a Node 26 revert in #91. CLI behavior and JSON contracts are unchanged (#98).
  • Local and CI dependency bootstrap now uses aube: mise run bootstrap runs aube exec playwright install chromium and mise run bootstrap-ci runs aube ci. The mise-pinned aube was bumped to 1.10.4 (migrating from pnpm / npm lockfiles to aube-lock.yaml), and pnpm.allowBuilds permits native builds for @coder/libghostty-vt-node, esbuild, fsevents, node-pty, @parcel/watcher, and msgpackr-extract (#51, #57, #73, #91).
  • Internal session-status policy, event-log codec, snapshot capture, screenshot capture, command-target resolution, waited-run completion bookkeeping, and Zod result-validation parsing are centralized into shared modules. No CLI, protocol, JSON envelope, manifest entry, or rendererBackend reporting changes (#67, #68, #69, #70, #75, #78, #93).
  • Repository tooling switched from ESLint / Prettier to Oxc: npm run format / format:check now invoke oxfmt, and npm run lint / lint:fix invoke oxlint plus oxlint-tsgolint for type-aware checks. CI and mise task names are unchanged (#71).

Fixed

  • Default-location screenshot PNGs, snapshot JSON files, and record export artifacts are now rolled back when the subsequent artifact-manifest append fails, so a manifest-validation failure no longer leaves an orphaned, unmanifested file under the session's artifacts/ directory. Explicit --out paths supplied by the caller are preserved on failure because they belong to the user, not the session manifest (#95, fixes #79).
  • EventLog.open now closes the underlying file handle when validation (size-limit check or existing-content parsing) fails, preventing a file-descriptor leak on rejected session host startup (#51).
  • npm run release:prep and npm run release:finalize now work on aube-only checkouts where package-lock.json does not exist. readPackageVersions / assertPackageVersionsMatch skip the lockfile-coherence assertions when package-lock.json is absent, and release-prep.mjs stages only package.json in that case. The npm-lockfile path is still fully supported when a package-lock.json is present. Without this fix, the documented release flow was broken after the aube migration in #91.

Notes

  • protocolVersion in the version envelope intentionally stays at 0.1.0. This release is additive over the 0.1.x envelope contract and does not change the public JSON shape; only the package version moves to 0.2.0.

v0.1.1-beta.4 - 2026-04-25

Added

  • Selectable libghostty-vt renderer backend support with backend-selection plumbing for live commands, offline replay, screenshots, snapshots, waits, and WebM export, plus dogfood coverage for the fallback path (#42).
  • Skills eval authoring and reporting DX, including workspace presets, reporter lifecycle hooks, token usage snapshots, and stronger statistical guidance for measuring skill changes (#33, #35, #36, #37).
  • Communique-powered release changelog and GitHub Release note automation, locked mise tooling, and GitHub Actions workflow linting with actionlint and zizmor (#32, #39).
  • Apache license and reorganized repository documentation for release, roadmap, design, dogfood, contributor, and maintainer workflows (#40, #41, #43).

Changed

  • The package engine range now allows Node 25 in addition to Node 24 (#39).
  • Development dependency maintenance updated PostCSS (#44).

Fixed

  • agent-tty --help now points users at agent-tty skills list for bundled skill discovery (#38).
  • Release workflows now authenticate protected branch fetches so private-repository release automation can read base/default branch refs (#45).
  • Eval scoring, reporting, verifier calibration, and anti-pattern checks were hardened with additional unit coverage (#34, #36).

v0.1.1-beta.3 - 2026-04-24

Added

  • Multi-skill runtime system with new agent-tty skills list|get|path subcommands, serving canonical skills from a packaged skill-data/ directory, plus a new built-in dogfood-tui skill for TUI QA workflows (#28)

Changed

  • Renamed the public CLI surface from agent-terminal to agent-tty: npm package, binary, skill name, AGENT_TTY_* environment variables, default home at ~/.agent-tty, and the GitHub repo now live at coder/agent-tty (#27)
  • RPC sockets now use a short hashed path under /tmp/agent-tty so isolated temp homes don't exceed macOS Unix socket path limits (#29)
  • doctor now uses the shared Playwright browser-cache resolver, reporting the correct ~/Library/Caches/ms-playwright path on macOS (#29)
  • run now writes executable shell input directly instead of using bracketed-paste control sequences (#29)

Fixed

  • Mux workspace hooks now trust the workspace-local mise.toml before running mise install/bootstrap, preventing new worktree setups from failing (#26)
  • Darwin node-pty spawn-helper has its executable bit repaired at runtime, fixing PTY spawn failures on packaged macOS installs (#29)

Removed

  • agent-tty skill (singular) has been removed — use agent-tty skills get agent-tty instead (#28)

v0.1.1-beta.0 - 2026-04-24

Added

  • Complete session control plane: create, list, inspect, destroy, gc, with per-session background host, PTY lifecycle, and append-only event log (#3, #5).
  • Input commands: type, paste, send-keys, resize, signal, and a first-class run for robust in-session command execution with completion detection (#3, #14).
  • Renderer-backed inspection: semantic snapshot (structured and --format text), deterministic screenshot with reference-dark / reference-light profiles, and wait --text / --regex / --screen-stable-ms / --exit / --idle-ms (#4).
  • record export --format asciicast and --format webm for text and video replay artifacts, with post-exit offline replay of snapshot, screenshot, and exports from persisted event logs (#5).
  • doctor health checks covering PTY spawn, home/socket/artifact writability, Playwright browser cache, home isolation, renderer/bundle assets, and capability reporting (#5, #12, #14).
  • Public agent-terminal skill under skills/agent-terminal/SKILL.md with TanStack Intent integration, plus a top-level agent-terminal skill command that emits the packaged skill markdown (raw or --json) for just-in-time agent loading (#16, #22).
  • Verified tarball install flow: new pack:release script, smoke:install coverage, and documented private/prerelease install guidance (#19).
  • GitHub Release workflow (prepare-release + publish-github-release) that produces a validated .tgz with SHA-256 checksum and metadata artifact, with prerelease tag support and an ancestry guard that requires tagged commits to be reachable from the default branch (#23, #24).
  • Bundled Nerd Font fallback so renderer-backed screenshots and WebM exports render glyph-heavy TUIs correctly out of the box (#11).

Changed

  • Artifact manifest now records sha256, byte size, render profile, and recording / video kinds for reviewable, deterministic export artifacts (#5).
  • Renderer now resolves PLAYWRIGHT_BROWSERS_PATH from the host HOME so screenshots and WebM export work in isolated sessions without manual env overrides (#14).
  • Repository documentation reorganized and an AGENTS.md contributor guide added (#6, #17).

Fixed

  • Release workflow accepts prerelease versions like 0.1.1-beta.0 / 0.1.1-rc.0 in version tests and tag validation (#24).