fix(tui): approval flow + input ergonomics + selection perf

- tui_gateway: route approvals through gateway callback (HERMES_GATEWAY_SESSION/
  HERMES_EXEC_ASK) so dangerous commands emit approval.request instead of
  silently falling through the CLI input() path and auto-denying
- approval UX: dedicated PromptZone between transcript and composer, safer
  defaults (sel=0, numeric quick-picks, no Esc=deny), activity trail line,
  outcome footer under the cost row
- text input: Ctrl+A select-all, real forward Delete, Ctrl+W always consumed
  (fixes Ctrl+Backspace at cursor 0 inserting literal w)
- hermes-ink selection: swap synchronous onRender() for throttled
  scheduleRender() on drag, and only notify React subscribers on presence
  change — no more per-cell paint/subscribe spam
- useConfigSync: silence config.get polling failures instead of surfacing
  'error: timeout: config.get' in the transcript

ui-tui/src/app/turnController.ts

@@ -91,7 +91,7 @@ class TurnController {
     this.idle()
     this.clearReasoning()
     this.turnTools = []
-    patchTurnState({ activity: [] })
+    patchTurnState({ activity: [], outcome: '' })
     patchUiState({ status: 'interrupted' })
     this.clearStatusTimer()
 
@@ -176,7 +176,7 @@ class TurnController {
     this.turnTools = []
     this.persistedToolLabels.clear()
     this.bufRef = ''
-    patchTurnState({ activity: [] })
+    patchTurnState({ activity: [], outcome: '' })
 
     return { finalText, savedReasoning, savedReasoningTokens, savedTools, savedToolTokens, wasInterrupted }
   }
@@ -271,7 +271,7 @@ class TurnController {
     this.turnTools = []
     this.toolTokenAcc = 0
     this.persistedToolLabels.clear()
-    patchTurnState({ activity: [] })
+    patchTurnState({ activity: [], outcome: '' })
   }
 
   fullReset() {
@@ -312,7 +312,7 @@ class TurnController {
     this.toolTokenAcc = 0
     this.persistedToolLabels.clear()
     patchUiState({ busy: true })
-    patchTurnState({ activity: [], subagents: [], toolTokens: 0, tools: [], turnTrail: [] })
+    patchTurnState({ activity: [], outcome: '', subagents: [], toolTokens: 0, tools: [], turnTrail: [] })
   }
 
   upsertSubagent(p: SubagentEventPayload, patch: (current: SubagentProgress) => Partial<SubagentProgress>) {