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fix(tui): slash.exec _pending_input commands, tool ANSI, terminal title

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Additional TUI fixes discovered in the same audit:

1. /plan slash command was silently lost — process_command() queues the
   plan skill invocation onto _pending_input which nobody reads in the
   slash worker subprocess.  Now intercepted in slash.exec and routed
   through command.dispatch with a new 'send' dispatch type.

   Same interception added for /retry, /queue, /steer as safety nets
   (these already have correct TUI-local handlers in core.ts, but the
   server-side guard prevents regressions if the local handler is
   bypassed).

2. Tool results were stripping ANSI escape codes — the messageLine
   component used stripAnsi() + plain <Text> for tool role messages,
   losing all color/styling from terminal, search_files, etc.  Now
   uses <Ansi> component (already imported) when ANSI is detected.

3. Terminal tab title now shows model + busy status via useTerminalTitle
   hook from @hermes/ink (was never used).  Users can identify Hermes
   tabs and see at a glance whether the agent is busy or ready.

4. Added 'send' variant to CommandDispatchResponse type + asCommandDispatch
   parser + createSlashHandler handler for commands that need to inject
   a message into the conversation (plan, queue fallback, steer fallback).
This commit is contained in:
kshitijk4poor 2026-04-18 17:52:19 +05:30 • committed by kshitij
parent 2da558ec36
commit abc95338c2
10 changed files with 196 additions and 7 deletions
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9
ui-tui/src/app/useMainApp.ts
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@ -1,4 +1,4 @@
import { type ScrollBoxHandle, useApp, useHasSelection, useSelection, useStdout } from '@hermes/ink'
import { type ScrollBoxHandle, useApp, useHasSelection, useSelection, useStdout, useTerminalTitle } from '@hermes/ink'
import { useStore } from '@nanostores/react'
import { useCallback, useEffect, useMemo, useRef, useState } from 'react'
@ -284,6 +284,13 @@ export function useMainApp(gw: GatewayClient) {
useConfigSync({ gw, setBellOnComplete, setVoiceEnabled, sid: ui.sid })
// ── Terminal tab title ─────────────────────────────────────────────
// Show model name + status so users can identify the Hermes tab.
const shortModel = ui.info?.model?.replace(/^.*\//, '') ?? ''
const titleStatus = ui.busy ? '⏳' : '✓'
const terminalTitle = shortModel ? `${titleStatus} ${shortModel} — Hermes` : 'Hermes'
useTerminalTitle(terminalTitle)
useEffect(() => {
if (!ui.sid || !stdout) {
return