chore(runtime): delete exports nothing reads (#31639)

flushDurableStateOrThrowAsync and six exported types (AgentSessionSpawnTokenScanEvidence,
FreshExplicitAgentStatus, LiveTerminalPty, RemoteStartReceipt, WorkerStartMode(Reason),
WorktreeTeardownStopPty) had no reader anywhere in src, mobile, config or tests.

src/main/persistence/loading-store/write-flush-barriers.ts

@@ -137,29 +137,6 @@ export class WriteFlushBarrierOperations {
   }
 }
 
-export async function flushDurableStateOrThrowAsync(
-  owner: WriteFlushBarrierOperations
-): Promise<void> {
-  const { runtime, writes } = owner[writeFlushBarrierOperationsContext]
-  if (runtime.writesFrozen || runtime.profileMaintenancePending || runtime.quitFlushStarted) {
-    throw new Error('Cannot flush while persistence is finalized')
-  }
-  return runProfileStateFlush(runtime, async () => {
-    for (;;) {
-      if (runtime.writeTimer) {
-        clearTimeout(runtime.writeTimer)
-        runtime.writeTimer = null
-      }
-      runtime.firstPendingSaveAt = null
-      const generation = runtime.writeGeneration
-      await enqueueWrite(writes)
-      if (generation === runtime.writeGeneration) {
-        break
-      }
-    }
-  })
-}
-
 export async function flushCurrentStateAsync(
   owner: WriteFlushBarrierOperations,
   {

src/main/runtime/agent-session-spawn-token-process-scan.ts

@@ -14,10 +14,6 @@ import { spawnTokenFromEnvironBlock } from './agent-session-spawn-token-readback
 
 export type AgentSessionSpawnTokenScan = ReadonlyMap<string, readonly number[]>
 
-export type AgentSessionSpawnTokenScanEvidence =
-  | { status: 'verified'; processes: AgentSessionSpawnTokenScan }
-  | { status: 'unverifiable'; processes: null; platform: NodeJS.Platform }
-
 /** Tokens observed on this host, or null when the platform cannot answer at all. */
 export async function scanAgentSessionSpawnTokenProcesses(
   platform: NodeJS.Platform = process.platform,

src/main/runtime/rpc/methods/orchestration-worker-start-mode.ts

@@ -12,8 +12,6 @@ import {
   downgradeAgentLaunchModeForHost,
   readAgentLaunchModeSettings,
   resolveAgentLaunchModeOnHost,
-  type AgentLaunchMode,
-  type AgentLaunchModeReason,
   type AgentLaunchModeReceipt,
   type AgentLaunchModeSettings,
   type AgentLaunchModeVocabulary
@@ -21,8 +19,6 @@ import {
 import type { TuiAgent } from '../../../../shared/tui-agent'
 import type { OrcaRuntimeService } from '../../orca-runtime'
 
-export type WorkerStartMode = AgentLaunchMode
-export type WorkerStartModeReason = AgentLaunchModeReason
 export type WorkerStartModeReceipt = AgentLaunchModeReceipt
 
 /** Orchestration's receipts are read next to dispatch records, so they name the worker and the

src/main/runtime/rpc/methods/orchestration/federation/federated-worker-start-receipts.ts

@@ -1,20 +1,5 @@
 import type { OrchestrationWorkerLaunchReceipt } from '../worker/worker-launch-preferences'
 
-export type RemoteStartReceipt = {
-  dispatchId: string
-  state: string
-  runtimeEpoch: string
-  worktreeId?: string
-  terminalHandle?: string
-  setup?: { state: string }
-  launch?: OrchestrationWorkerLaunchReceipt
-  effects?: unknown[]
-  residualResources?: unknown[]
-  prompt?: unknown
-  failedStage?: string
-  lastError?: string
-}
-
 export function isKnownRemoteStartFailure(code: string): boolean {
   return [
     'invalid_argument',

src/main/runtime/runtime-hook-agent-row-selection.ts

@@ -71,8 +71,6 @@ export function selectFreshExplicitAgentStatusRow(args: HookRowJoin): AgentStatu
   return best
 }
 
-export type FreshExplicitAgentStatus = ReturnType<typeof selectFreshExplicitAgentStatus>
-
 /** The freshest explicit state for a terminal, matched on its handle or its pane key. */
 export function selectFreshExplicitAgentStatus(args: {
   handle: string

src/main/runtime/terminal/query/pty-terminal-summary.ts

@@ -21,10 +21,6 @@ import { ORCA_LAYOUT_OWNER_IS_MAIN } from '../../../../shared/layout-owner-switc
 import { startedMainTerminalSurfaces } from '../surface/main-terminal-surfaces'
 import { HEADLESS_RUNTIME_WINDOW_ID } from '../../../../shared/runtime-types'
 
-export type LiveTerminalPty = ReturnType<
-  OrcaRuntimeWithBuildPtyTerminalSummary['getLivePtyForHandle']
->
-
 export abstract class OrcaRuntimeWithBuildPtyTerminalSummary extends OrcaRuntimeWithGetPtyRecordForPaneKey {
   protected abstract bindPtyIncarnationHandle(
     retained: PtyIncarnationHandleRecord,

src/main/runtime/worktree-pty-surface-sweeps.ts

@@ -17,11 +17,6 @@ import { teardownRpcDeadline } from './worktree-teardown-deadline'
 // or pathological inventory cannot fan out unbounded provider/RPC shutdowns.
 const WORKTREE_TEARDOWN_CONCURRENCY = 32
 
-export type WorktreeTeardownStopPty = (
-  ptyId: string,
-  stop: () => Promise<boolean>
-) => Promise<{ stopped: boolean; owner: boolean }>
-
 export async function sweepProviderByPrefix(
   worktreeId: string,
   provider: IPtyProvider,