chore(release): 0.6.0

[github-actions]

The next agent-tty release. Merging this PR creates the release tag and GitHub Release and starts the publish pipeline.

[0.6.0] - 2026-08-21

Added

• wait --scope cursor-line (and matching scope field on batch wait steps and the waitForRender RPC) restricts --text/--regex matches to the cursor's row, so post-command waits can no longer be satisfied by the terminal echoing the command that was just typed. scope defaults to screen and is byte-identical to prior behavior; cursor-line requires a text or regex condition (#169).
• agent-tty record diff <session-a> <session-b> replays both sessions offline from their events.jsonl logs and emits an LCS line diff over canonicalVisibleLines (the exact rows screenHash hashes). --at-seq-a/--at-seq-b diff either side at an intermediate Event Log sequence (including a session against its own earlier state). --json returns { identical, a, b, diff } validated by a new RecordDiffResultSchema; human mode prints a unified-style diff (#170).

Fixed

• CI setup restored after the upstream aube repository moved from endevco/aube to jdx/aube: mise.lock and aube-lock.yaml were regenerated (artifact sha256 checksums unchanged, so pinned binaries are byte-identical) and dev-dependency overrides bumped to clear eight high-severity advisories in brace-expansion, js-yaml, nanoid, and postcss (#168).

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Maintained by the release-please workflow. Notes are regenerated by Communique on every push to main, so manual edits to this PR are overwritten.