chore(tui): drop unreachable return + prettier pass

- createGatewayEventHandler: remove dead `return` after a block that
  always returns (tool.complete case).  The inner block exits via
  both branches so the outer statement was never reachable.  Was
  pre-existing on main; fixed here because it was the only thing
  blocking `npm run fix` on this branch.
- agentsOverlay + ops: prettier reformatting.

`npm run fix` / `npm run type-check` / `npm test` all clean.

ui-tui/src/app/createGatewayEventHandler.ts

@@ -1,11 +1,6 @@
 import { STREAM_BATCH_MS } from '../config/timing.js'
 import { buildSetupRequiredSections, SETUP_REQUIRED_TITLE } from '../content/setup.js'
-import type {
-  CommandsCatalogResponse,
-  DelegationStatusResponse,
-  GatewayEvent,
-  GatewaySkin
-} from '../gatewayTypes.js'
+import type { CommandsCatalogResponse, DelegationStatusResponse, GatewayEvent, GatewaySkin } from '../gatewayTypes.js'
 import { rpcErrorMessage } from '../lib/rpc.js'
 import { formatToolCall, stripAnsi } from '../lib/text.js'
 import { fromSkin } from '../theme.js'
@@ -74,7 +69,11 @@ export function createGatewayEventHandler(ctx: GatewayEventHandlerContext): (ev:
       const top = subagents.filter(s => !s.parentId).slice(0, 2)
 
       const label = top.length
-        ? top.map(s => s.goal).filter(Boolean).slice(0, 2).join(' · ')
+        ? top
+            .map(s => s.goal)
+            .filter(Boolean)
+            .slice(0, 2)
+            .join(' · ')
         : `${subagents.length} subagents`
 
       await rpc('spawn_tree.save', {
@@ -314,32 +313,28 @@ export function createGatewayEventHandler(ctx: GatewayEventHandlerContext): (ev:
         turnController.recordToolStart(ev.payload.tool_id, ev.payload.name ?? 'tool', ev.payload.context ?? '')
 
         return
+      case 'tool.complete': {
+        const inlineDiffText =
+          ev.payload.inline_diff && getUiState().inlineDiffs ? stripAnsi(String(ev.payload.inline_diff)).trim() : ''
 
-      case 'tool.complete':
-        {
-          const inlineDiffText =
-            ev.payload.inline_diff && getUiState().inlineDiffs ? stripAnsi(String(ev.payload.inline_diff)).trim() : ''
-
-          turnController.recordToolComplete(
-            ev.payload.tool_id,
-            ev.payload.name,
-            ev.payload.error,
-            inlineDiffText ? '' : ev.payload.summary
-          )
-
-          if (!inlineDiffText) {
-            return
-          }
-
-          // Keep inline diffs attached to the assistant completion body so
-          // they render in the same message flow, not as a standalone system
-          // artifact that can look out-of-place around tool rows.
-          turnController.queueInlineDiff(inlineDiffText)
+        turnController.recordToolComplete(
+          ev.payload.tool_id,
+          ev.payload.name,
+          ev.payload.error,
+          inlineDiffText ? '' : ev.payload.summary
+        )
 
+        if (!inlineDiffText) {
           return
         }
 
+        // Keep inline diffs attached to the assistant completion body so
+        // they render in the same message flow, not as a standalone system
+        // artifact that can look out-of-place around tool rows.
+        turnController.queueInlineDiff(inlineDiffText)
+
         return
+      }
 
       case 'clarify.request':
         patchOverlayState({
@@ -386,9 +381,7 @@ export function createGatewayEventHandler(ctx: GatewayEventHandlerContext): (ev:
       case 'subagent.spawn_requested':
         // Child built but not yet running (waiting on ThreadPoolExecutor slot).
         // Preserve completed state if a later event races in before this one.
-        turnController.upsertSubagent(ev.payload, c =>
-          c.status === 'completed' ? {} : { status: 'queued' }
-        )
+        turnController.upsertSubagent(ev.payload, c => (c.status === 'completed' ? {} : { status: 'queued' }))
 
         // Prime the status-bar HUD: fetch caps (once every 5s) so we can
         // warn as depth/concurrency approaches the configured ceiling.
@@ -401,9 +394,7 @@ export function createGatewayEventHandler(ctx: GatewayEventHandlerContext): (ev:
         return
 
       case 'subagent.start':
-        turnController.upsertSubagent(ev.payload, c =>
-          c.status === 'completed' ? {} : { status: 'running' }
-        )
+        turnController.upsertSubagent(ev.payload, c => (c.status === 'completed' ? {} : { status: 'running' }))
 
         return
       case 'subagent.thinking': {

ui-tui/src/app/slash/commands/ops.ts

@@ -8,12 +8,7 @@ import type {
 import type { PanelSection } from '../../../types.js'
 import { applyDelegationStatus, getDelegationState } from '../../delegationStore.js'
 import { patchOverlayState } from '../../overlayStore.js'
-import {
-  getSpawnHistory,
-  pushDiskSnapshot,
-  setDiffPair,
-  type SpawnSnapshot
-} from '../../spawnHistoryStore.js'
+import { getSpawnHistory, pushDiskSnapshot, setDiffPair, type SpawnSnapshot } from '../../spawnHistoryStore.js'
 import type { SlashCommand } from '../types.js'
 
 interface SkillInfo {
@@ -101,10 +96,11 @@ export const opsCommands: SlashCommand[] = [
 
       // ── Disk-backed listing ─────────────────────────────────────
       if (lower === 'list' || lower === 'ls') {
-        ctx.gateway.rpc<SpawnTreeListResponse>('spawn_tree.list', {
-          limit: 30,
-          session_id: ctx.sid ?? 'default'
-        })
+        ctx.gateway
+          .rpc<SpawnTreeListResponse>('spawn_tree.list', {
+            limit: 30,
+            session_id: ctx.sid ?? 'default'
+          })
           .then(
             ctx.guarded<SpawnTreeListResponse>(r => {
               const entries = r.entries ?? []
@@ -136,7 +132,8 @@ export const opsCommands: SlashCommand[] = [
           return ctx.transcript.sys('usage: /replay load <path>')
         }
 
-        ctx.gateway.rpc<SpawnTreeLoadResponse>('spawn_tree.load', { path })
+        ctx.gateway
+          .rpc<SpawnTreeLoadResponse>('spawn_tree.load', { path })
           .then(
             ctx.guarded<SpawnTreeLoadResponse>(r => {
               if (!r.subagents?.length) {
@@ -202,9 +199,7 @@ export const opsCommands: SlashCommand[] = [
       const candidate = resolve(b!)
 
       if (!baseline || !candidate) {
-        return ctx.transcript.sys(
-          `replay-diff: could not resolve indices · history has ${history.length} entries`
-        )
+        return ctx.transcript.sys(`replay-diff: could not resolve indices · history has ${history.length} entries`)
       }
 
       setDiffPair({ baseline, candidate })

ui-tui/src/components/agentsOverlay.tsx

@@ -206,7 +206,6 @@ function GanttStrip({
   now: number
   t: Theme
 }) {
-
   const spans = flatNodes
     .map((node, idx) => {
       const started = node.item.startedAt ?? now
@@ -273,7 +272,6 @@ function GanttStrip({
       </Text>
 
       {shown.map(({ endAt, idx, node, startAt }) => {
-
         const active = idx === cursor
         const { color } = statusGlyph(node.item, t)
         const accent = active ? t.color.amber : t.color.dim