Tasks: work-item mode launches Claude Code without its question menu

Phase 4 of 4. Each task names the requirement it satisfies and the testing-plan row that proves it.

Task list

[x] A0: reproduce. The real CLI's parsing of both spellings. Req: R1.3, R1.4 · Test: T8.
[x] A1: InteractionConfig.unattended. Req: R2.1, R2.2 · Test: T2.
[x] A2: the adapter carries the fact. HarnessAdapter.unattended, _UNATTENDED_ARGS, with_unattended, _launch_args; Claude's token and both interactive_* methods. Req: R1.3, R1.4, R3.2, R3.3 · Test: T1.
[x] A3: the launch seams set it. Dispatcher._adapter_for and core.sessions._restart_adapter. Deps: A1, A2 · Req: R1.1, R1.2, R2.3, R2.4, R3.1 · Test: T3–T6.
[x] A4: tests. New cases in test_tmux_runner.py, test_interaction.py, test_tmux_runner_integration.py, test_interaction_integration.py and test_sessions_restart_integration.py. Deps: A1–A3 · Test: T1–T5, T7.
[x] B1: docs. docs/capabilities/webhook-triggers.md and docs/capabilities/interactive-sessions.md get the requirement and a history row; docs/config/cli/routing-options.md (interaction.mode) and docs/config/cli/harnesses-options.md (harnesses[].args: the variadic hazard); skills/the-loop/reference/collaboration.md and automation.md. Deps: A3.
[ ] C1: real TUI evidence. Deps: A2 · Test: T9. Blocked in this environment (the TUI stops at its login screen); T9b stands in, and evidence/verification.md § T9 has the commands to close it.
[x] D1: evidence. verification.md, self-review.md, security-review.md, documentation.md, reviewer-briefing.md. Deps: A0–C1.