fix/agent-terminal-escaping

[Ziinc]

Prevent arbitrary agent text and terminal output from leaving the shell in an unterminated quote or subshell state.

[github-actions]

🚀 Web preview: https://preview-455.treq-9zy.pages.dev
📊 Lighthouse report: https://github.com/treq-dev/treq/actions/runs/34583868213/artifacts/10193131885

[Ziinc]

Merged origin/main into this branch (clean merge, no conflicts) and pushed the result.

Regarding the CI failure on .github/workflows/ci.yml run 34613088563 (push event, commit ae936594): it isn't caused by this PR's diff. That run has 0 jobs and conclusion: failure — the same "push"-triggered ci.yml runs on main itself fail identically (e.g. run 34612506698 for a plain main commit, also 0 jobs / failure), because ci.yml's on: block only declares pull_request triggers, so any push-triggered invocation of it fails at startup with no jobs to run. This is a pre-existing, repo-wide artifact unrelated to this branch's changes, so I did not push a fix for it here.

I did verify the actual PR-relevant checks pass locally against the merged branch: prettier --check, eslint, tsc --noEmit, and the unit tests for the changed file (src/hooks/useAgentMessageQueue.test.ts, 10/10 passing) all succeed.

Separately, the check-conventional-title status check is failing because the PR title (fix/agent-terminal-escaping) doesn't match the conventional-commits format the workflow expects (type(scope)?: description) — that's a PR-metadata fix (retitling), not a code fix, so I left it for the PR author/maintainer to address.

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Generated by Claude Code

[Ziinc]

Rebased this branch onto current main (actual rebase, not merge — history rewritten, force-pushed). Both commits (fix: unterminated quote affecting terminal input, chore: formatting) replayed cleanly with no conflicts.

CI on the new head (efc4cce0) still shows the ci.yml workflow failing with 0 jobs run. This is not caused by this PR's diff — it's the repo-wide matrix-context bug (jobs.<job_id>.if referencing matrix.kind, which GitHub Actions doesn't expose at that level), present on main itself and reproducible on every branch/PR right now. It's already being fixed in #484 (fix-ci-matrix-context), which was still in progress as of this rebase. Once #484 merges to main, a rebase/merge of this branch should pick up green CI — no action needed here beyond that.

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Generated by Claude Code