feat(onboarding): port first-touch hints to the TUI (#16054)

PR #16046 added /busy and /verbose hints to the classic CLI and the
gateway runner but skipped the Ink TUI (and therefore the dashboard
/chat page, which embeds the TUI via PTY).  This extends the same
latch to the TUI with TUI-native wording.

The TUI's busy-input model is not the /busy knob from the CLI —
single Enter while busy auto-queues, double Enter on an empty line
interrupts.  The new busy-input hint teaches THAT gesture instead of
telling the user to flip a config that does not apply.

Changes:
- agent/onboarding.py — add busy_input_hint_tui() + tool_progress_hint_tui()
- tui_gateway/server.py — onboarding.claim JSON-RPC (Ink triggers busy
  hint on enqueue) + _maybe_emit_onboarding_hint helper hooked into
  _on_tool_complete for the 30s/tool_progress=all path.  Same
  config.yaml latch so each hint fires at most once per install across
  CLI, gateway, and TUI combined.
- ui-tui/src/gatewayTypes.ts — OnboardingClaimResponse + onboarding.hint event
- ui-tui/src/app/createGatewayEventHandler.ts — render the hint event as sys()
- ui-tui/src/app/useSubmission.ts — claim busy_input_prompt on first
  busy enqueue
- tests/agent/test_onboarding.py — +3 cases for TUI hint shape
- tests/tui_gateway/test_protocol.py — +4 cases for onboarding.claim
- website/docs/user-guide/tui.md — new 'Interrupting and queueing'
  section explaining the TUI's double-Enter model and the hints

Validation:
scripts/run_tests.sh tests/agent/test_onboarding.py \
  tests/tui_gateway/test_protocol.py \
  tests/gateway/test_busy_session_ack.py
  -> 66 passed
npm --prefix ui-tui run type-check -> clean
npm --prefix ui-tui run lint       -> clean
npm --prefix ui-tui run build      -> clean
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Teknium 2026-04-26 06:24:19 -07:00 committed by GitHub
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@ -106,6 +106,18 @@ The TUI's status line tracks agent state in real time:
The per-skin status-bar colors and thresholds are shared with the classic CLI — see [Skins](features/skins.md) for customization.
## Interrupting and queueing
The TUI's busy-input model is different from the classic CLI's `display.busy_input_mode` knob. There is no mode to configure — both behaviors are always available:
- **Single Enter while busy** — message is **queued** and sent as the next turn after the agent finishes.
- **Double Enter on an empty line while busy****interrupts** the current turn.
- **Double Enter on an empty line with queued messages and no running turn** — drains the next queued message.
The first time you send a message while the agent is working, the TUI prints a one-time `(tip)` line explaining the double-Enter gesture. It fires once per install — the same `onboarding.seen.busy_input_prompt` latch used by the classic CLI and the gateway. Delete that key from `~/.hermes/config.yaml` to see the tip again.
Similarly, the first time a tool runs for 30 seconds or longer while you're in the noisiest `tool_progress: all` mode, the TUI prints a one-time `(tip)` about `/verbose` for cycling display modes. Latched under `onboarding.seen.tool_progress_prompt`.
## Configuration
The TUI respects all standard Hermes config: `~/.hermes/config.yaml`, profiles, personalities, skins, quick commands, credential pools, memory providers, tool/skill enablement. No TUI-specific config file exists.