diff --git a/src/main/ipc/pty-controller-process-inventory.test.ts b/src/main/ipc/pty-controller-process-inventory.test.ts
index ab883f65ca9..86e640788e6 100644
--- a/src/main/ipc/pty-controller-process-inventory.test.ts
+++ b/src/main/ipc/pty-controller-process-inventory.test.ts
@@ -55,7 +55,7 @@ vi.mock('../pi/titlebar-extension-service', () => ({
 
 import { registerPtyHandlers } from './pty/register-handlers'
 import { setLocalPtyProvider } from './pty/provider/registry'
-import type { IPtyProvider, PtyProcessInfo } from '../providers/types'
+import type { IPtyProvider, PtyProcessInfo } from '../providers/pty-provider-contract'
 
 // The runtime's worktree.ps liveness refresh calls the aggregate inventory (no connectionId)
 // under a 3s budget, and only a returned inventory can retire an exited PTY. STA-517: one
diff --git a/src/main/ipc/pty/delivery/attached-pty-size.ts b/src/main/ipc/pty/delivery/attached-pty-size.ts
index d8b14267cb8..db236557066 100644
--- a/src/main/ipc/pty/delivery/attached-pty-size.ts
+++ b/src/main/ipc/pty/delivery/attached-pty-size.ts
@@ -1,4 +1,4 @@
-import type { PtySpawnResult } from '../../../providers/types'
+import type { PtySpawnResult } from '../../../providers/pty-provider-contract'
 import { ptySizes } from './visibility-state'
 
 export type PtyGrid = { cols: number; rows: number }
diff --git a/src/main/ipc/pty/host-env/fresh-spawn-routing.ts b/src/main/ipc/pty/host-env/fresh-spawn-routing.ts
index 8e99124f7f0..71b62886fa8 100644
--- a/src/main/ipc/pty/host-env/fresh-spawn-routing.ts
+++ b/src/main/ipc/pty/host-env/fresh-spawn-routing.ts
@@ -1,6 +1,6 @@
 import { normalizeRuntimePathForComparison } from '../../../../shared/cross-platform-path'
 import { splitWorktreeIdForFilesystem } from '../../../../shared/worktree/id'
-import type { IPtyProvider } from '../../../providers/types'
+import type { IPtyProvider } from '../../../providers/pty-provider-contract'
 import { beginTerminalInstall } from '../../watcher-removal-gate'
 
 export function isClaudeLaunchCommand(command: string | undefined): boolean {
diff --git a/src/main/ipc/pty/ipc/renderer-kill.ts b/src/main/ipc/pty/ipc/renderer-kill.ts
index 095ffc64cb2..c8ead4d8562 100644
--- a/src/main/ipc/pty/ipc/renderer-kill.ts
+++ b/src/main/ipc/pty/ipc/renderer-kill.ts
@@ -3,7 +3,7 @@ import { getPtyIpc } from '../../pty-host-bindings'
 import type { Store } from '../../../persistence'
 import type { OrcaRuntimeService } from '../../../runtime/orca-runtime'
 import type { TerminalIntentionalStopKind } from '../../../runtime/terminal-intentional-stops'
-import type { IPtyProvider } from '../../../providers/types'
+import type { IPtyProvider } from '../../../providers/pty-provider-contract'
 import { SSH_PROVIDER_UNREGISTERED_REASON } from '../../../../shared/pty-liveness-verdict'
 import { ptyIncarnationById } from '../provider/ownership-state'
 import {
diff --git a/src/main/ipc/pty/ipc/spawn-begin.ts b/src/main/ipc/pty/ipc/spawn-begin.ts
index c47ec56caf1..b856f6e129f 100644
--- a/src/main/ipc/pty/ipc/spawn-begin.ts
+++ b/src/main/ipc/pty/ipc/spawn-begin.ts
@@ -3,7 +3,7 @@ import { resolveAgentLaunchPaneVerdict } from '../../../agent-launch/agent-launc
 import { AGENT_LAUNCH_PANE_REFUSED_CODE } from '../../../../shared/agent-launch-pane-verdict'
 import { agentLaunchPaneEvidence } from '../pane/agent-launch-pane-evidence'
 import { isValidTerminalTabId } from '../../../../shared/terminal-tab-id'
-import type { PtySpawnResult } from '../../../providers/types'
+import type { PtySpawnResult } from '../../../providers/pty-provider-contract'
 import type { CodexPaneHomeRoute } from '../../../codex/codex-pane-account-registry'
 import { createPtySpawnTiming } from '../../pty-spawn-timing'
 import { allocatePtyLifecycleSequence } from '../host-env/types'
diff --git a/src/main/ipc/pty/ipc/spawn-commit.ts b/src/main/ipc/pty/ipc/spawn-commit.ts
index 6ff84a49751..d009b7871f5 100644
--- a/src/main/ipc/pty/ipc/spawn-commit.ts
+++ b/src/main/ipc/pty/ipc/spawn-commit.ts
@@ -1,7 +1,7 @@
 import { isValidTerminalTabId } from '../../../../shared/terminal-tab-id'
 import { agentHookServer } from '../../../agent-hooks/server'
 import { registerPty } from '../../../memory/pty-registry'
-import type { PtySpawnResult } from '../../../providers/types'
+import type { PtySpawnResult } from '../../../providers/pty-provider-contract'
 import { clearMigrationUnsupportedPtysForPaneKey } from '../../../agent-hooks/migration-unsupported-pty-state'
 import { recordPtySpawnTelemetry } from '../pane/spawn-telemetry'
 import {
diff --git a/src/main/ipc/pty/ipc/spawn-reattach-size-cache.test.ts b/src/main/ipc/pty/ipc/spawn-reattach-size-cache.test.ts
index 53b361bc8fe..81e51abfc68 100644
--- a/src/main/ipc/pty/ipc/spawn-reattach-size-cache.test.ts
+++ b/src/main/ipc/pty/ipc/spawn-reattach-size-cache.test.ts
@@ -1,5 +1,5 @@
 import { afterEach, describe, expect, it, vi } from 'vitest'
-import type { PtySpawnResult } from '../../../providers/types'
+import type { PtySpawnResult } from '../../../providers/pty-provider-contract'
 import { ptySizes } from '../delivery/visibility-state'
 import { buildPtyIpcSpawnOptions } from './spawn-options'
 import { commitPtyIpcSpawn } from './spawn-commit'
diff --git a/src/main/ipc/pty/ipc/spawn-state.ts b/src/main/ipc/pty/ipc/spawn-state.ts
index ed0310d7929..840ae20edd9 100644
--- a/src/main/ipc/pty/ipc/spawn-state.ts
+++ b/src/main/ipc/pty/ipc/spawn-state.ts
@@ -1,4 +1,8 @@
-import type { IPtyProvider, PtySpawnOptions, PtySpawnResult } from '../../../providers/types'
+import type {
+  IPtyProvider,
+  PtySpawnOptions,
+  PtySpawnResult
+} from '../../../providers/pty-provider-contract'
 import type { CodexPaneHomeRoute } from '../../../codex/codex-pane-account-registry'
 import type { CodexAccountSelectionTarget } from '../../../codex-accounts/runtime-selection'
 import type { SleepingAgentLaunchConfig } from '../../../../shared/agent-session-resume'
diff --git a/src/main/ipc/pty/ipc/spawn-types.ts b/src/main/ipc/pty/ipc/spawn-types.ts
index 6c454bf1a95..1f8a41cc289 100644
--- a/src/main/ipc/pty/ipc/spawn-types.ts
+++ b/src/main/ipc/pty/ipc/spawn-types.ts
@@ -9,7 +9,7 @@ import type { GlobalSettings } from '../../../../shared/global-settings-types'
 import type { TerminalStartupCwdMissingDirFallback } from '../../../../shared/terminal-startup-cwd'
 import type { OrcaRuntimeService } from '../../../runtime/orca-runtime'
 import type { Store } from '../../../persistence'
-import type { PtySpawnResult } from '../../../providers/types'
+import type { PtySpawnResult } from '../../../providers/pty-provider-contract'
 import type { CodexAccountSelectionTarget } from '../../../codex-accounts/runtime-selection'
 import type { CodexSessionResumePreparation } from '../../../codex/codex-session-resume-home'
 import type {
diff --git a/src/main/ipc/pty/ipc/write-input.ts b/src/main/ipc/pty/ipc/write-input.ts
index 6184e32b975..e2bd09c0902 100644
--- a/src/main/ipc/pty/ipc/write-input.ts
+++ b/src/main/ipc/pty/ipc/write-input.ts
@@ -1,7 +1,7 @@
 import type { IpcMainEvent, IpcMainInvokeEvent } from 'electron'
 import type { PtyRendererDelivery } from '../session'
 import type { OrcaRuntimeService } from '../../../runtime/orca-runtime'
-import type { IPtyProvider } from '../../../providers/types'
+import type { IPtyProvider } from '../../../providers/pty-provider-contract'
 import { isPtyWriteUnavailableError } from '../../../providers/pty-write-unavailable-error'
 import {
   isTerminalInputTooLargeWithDeferredMeasurement,
diff --git a/src/main/ipc/pty/pane/agent-session-owners.ts b/src/main/ipc/pty/pane/agent-session-owners.ts
index 6abdf40d2f4..aa1d9a3417c 100644
--- a/src/main/ipc/pty/pane/agent-session-owners.ts
+++ b/src/main/ipc/pty/pane/agent-session-owners.ts
@@ -2,7 +2,7 @@ import type { AgentSessionOwnerBinding } from '../../../../shared/agent-session-
 import { ClaimedAgentPtyOwnerRegistry } from '../../../../shared/claimed-agent-pty-owner'
 import { isPtyIncarnationId } from '../../../../shared/pty-incarnation'
 import type { OrcaRuntimeService } from '../../../runtime/orca-runtime'
-import type { PtySpawnResult } from '../../../providers/types'
+import type { PtySpawnResult } from '../../../providers/pty-provider-contract'
 import { ptyIncarnationById, ptyOwnership } from '../provider/ownership-state'
 import type { ExecutionHostId } from '../../../../shared/execution-host'
 import { registeredPtyProviders, tryGetProviderForPty } from '../provider/registry'
diff --git a/src/main/ipc/pty/pane/spawn-registration.ts b/src/main/ipc/pty/pane/spawn-registration.ts
index e51e9c62c66..72ef1db4e64 100644
--- a/src/main/ipc/pty/pane/spawn-registration.ts
+++ b/src/main/ipc/pty/pane/spawn-registration.ts
@@ -1,6 +1,6 @@
 import type { Store } from '../../../persistence'
 import type { OrcaRuntimeService } from '../../../runtime/orca-runtime'
-import type { IPtyProvider, PtySpawnResult } from '../../../providers/types'
+import type { IPtyProvider, PtySpawnResult } from '../../../providers/pty-provider-contract'
 import {
   isCurrentPtyExit,
   ptyIncarnationById,
diff --git a/src/main/ipc/pty/pane/spawn-reservation.ts b/src/main/ipc/pty/pane/spawn-reservation.ts
index 095c365c182..6a760512d7c 100644
--- a/src/main/ipc/pty/pane/spawn-reservation.ts
+++ b/src/main/ipc/pty/pane/spawn-reservation.ts
@@ -1,5 +1,5 @@
 import type { SleepingAgentLaunchConfig } from '../../../../shared/agent-session-resume'
-import type { PtySpawnResult } from '../../../providers/types'
+import type { PtySpawnResult } from '../../../providers/pty-provider-contract'
 import { isWorktreeTerminalsSleepingError } from '../../../runtime/worktree-terminals-sleeping-error'
 
 export type PaneSpawnReservation = {
diff --git a/src/main/ipc/pty/pane/stable-owner.ts b/src/main/ipc/pty/pane/stable-owner.ts
index e5c6a7b8884..4d2d4174975 100644
--- a/src/main/ipc/pty/pane/stable-owner.ts
+++ b/src/main/ipc/pty/pane/stable-owner.ts
@@ -6,7 +6,11 @@ import { UNVERIFIED_PROCESS_EXIT_CODE } from '../../../../shared/terminal-exit-c
 import type { Store } from '../../../persistence'
 import { retireTerminalSurfaceFromPersistence } from '../../../runtime/mobile-session-terminal-persistence-retirement'
 import type { OrcaRuntimeService } from '../../../runtime/orca-runtime'
-import type { IPtyProvider, PtySpawnOptions, PtySpawnResult } from '../../../providers/types'
+import type {
+  IPtyProvider,
+  PtySpawnOptions,
+  PtySpawnResult
+} from '../../../providers/pty-provider-contract'
 import { getPtySshConnectionId } from '../provider/registry'
 import {
   isDaemonEndpointGoneError,
diff --git a/src/main/ipc/pty/pane/stable-pane-absence-death-certificate.test.ts b/src/main/ipc/pty/pane/stable-pane-absence-death-certificate.test.ts
index f45eb52afec..bdb134f68c2 100644
--- a/src/main/ipc/pty/pane/stable-pane-absence-death-certificate.test.ts
+++ b/src/main/ipc/pty/pane/stable-pane-absence-death-certificate.test.ts
@@ -7,7 +7,7 @@ import { getDefaultWorkspaceSession } from '../../../../shared/constants'
 import type { WorkspaceSessionState } from '../../../../shared/workspace-session-state-types'
 import { SessionNotFoundError } from '../../../daemon/daemon-errors'
 import type { Store } from '../../../persistence'
-import type { IPtyProvider } from '../../../providers/types'
+import type { IPtyProvider } from '../../../providers/pty-provider-contract'
 import { OrcaRuntimeService } from '../../../runtime/orca-runtime'
 import { spawnForStablePane } from './stable-owner'
 
diff --git a/src/main/ipc/pty/pane/stable-pane-absence-respawn.test.ts b/src/main/ipc/pty/pane/stable-pane-absence-respawn.test.ts
index 2a2addc4adb..3de1004e924 100644
--- a/src/main/ipc/pty/pane/stable-pane-absence-respawn.test.ts
+++ b/src/main/ipc/pty/pane/stable-pane-absence-respawn.test.ts
@@ -6,7 +6,7 @@ import {
   TerminalSessionOwnerUnverifiedError
 } from '../../../daemon/daemon-errors'
 import type { Store } from '../../../persistence'
-import type { IPtyProvider } from '../../../providers/types'
+import type { IPtyProvider } from '../../../providers/pty-provider-contract'
 import { spawnForStablePane, type StablePaneOwner } from './stable-owner'
 
 const LEAF = '1b3f2c4d-5e6a-4b7c-8d9e-0f1a2b3c4d5e'
diff --git a/src/main/ipc/pty/pane/terminal-spawn-restore.ts b/src/main/ipc/pty/pane/terminal-spawn-restore.ts
index cbe3d337ae3..5928425beb7 100644
--- a/src/main/ipc/pty/pane/terminal-spawn-restore.ts
+++ b/src/main/ipc/pty/pane/terminal-spawn-restore.ts
@@ -1,4 +1,4 @@
-import type { PtySpawnResult } from '../../../providers/types'
+import type { PtySpawnResult } from '../../../providers/pty-provider-contract'
 import type { OrcaRuntimeService } from '../../../runtime/orca-runtime'
 import { pendingByPaneKey, rendererSerializerReadiness } from './serializer-state'
 
diff --git a/src/main/ipc/pty/provider/liveness.ts b/src/main/ipc/pty/provider/liveness.ts
index 39cc5710575..410fc2507b7 100644
--- a/src/main/ipc/pty/provider/liveness.ts
+++ b/src/main/ipc/pty/provider/liveness.ts
@@ -2,7 +2,7 @@ import type { AgentSessionOwnerBinding } from '../../../../shared/agent-session-
 import { agentSessionOwnerBindingsEqual } from '../../../../shared/claimed-agent-pty-owner'
 import { addNodePtyRecoveryHint } from '../../../daemon/node-pty-error-hints'
 import type { Store } from '../../../persistence'
-import type { IPtyProvider } from '../../../providers/types'
+import type { IPtyProvider } from '../../../providers/pty-provider-contract'
 import { ptyIncarnationById, ptyOwnership } from './ownership-state'
 import { getRelayPtyId } from './registry'
 import {
diff --git a/src/main/ipc/pty/provider/registry-host-routing.test.ts b/src/main/ipc/pty/provider/registry-host-routing.test.ts
index 544a7c3534e..87f72934570 100644
--- a/src/main/ipc/pty/provider/registry-host-routing.test.ts
+++ b/src/main/ipc/pty/provider/registry-host-routing.test.ts
@@ -1,5 +1,5 @@
 import { afterEach, describe, expect, it, vi } from 'vitest'
-import type { IPtyProvider } from '../../../providers/types'
+import type { IPtyProvider } from '../../../providers/pty-provider-contract'
 import { getCwdFromRuntimeController, resizePtyFromRuntimeController } from '../runtime/operations'
 import { deletePtyOwnership, setPtyOwnership } from './ownership-state'
 import {
diff --git a/src/main/ipc/pty/provider/registry.ts b/src/main/ipc/pty/provider/registry.ts
index 2bd6c1279b2..36fdee4559f 100644
--- a/src/main/ipc/pty/provider/registry.ts
+++ b/src/main/ipc/pty/provider/registry.ts
@@ -1,5 +1,5 @@
 import { LocalPtyProvider } from '../../../providers/local-pty-provider'
-import type { IPtyProvider } from '../../../providers/types'
+import type { IPtyProvider } from '../../../providers/pty-provider-contract'
 import { parseAppSshPtyId, toAppSshPtyId, toRelaySshPtyId } from '../../../providers/ssh-pty-id'
 import { ptyOwnership } from './ownership-state'
 import type { TerminalOscColorQueryReplyColors } from '../../../../shared/terminal-osc-color-reply'
diff --git a/src/main/ipc/pty/provider/shutdown-detect.ts b/src/main/ipc/pty/provider/shutdown-detect.ts
index 3972f94880e..b43928355ac 100644
--- a/src/main/ipc/pty/provider/shutdown-detect.ts
+++ b/src/main/ipc/pty/provider/shutdown-detect.ts
@@ -1,4 +1,4 @@
-import type { IPtyProvider } from '../../../providers/types'
+import type { IPtyProvider } from '../../../providers/pty-provider-contract'
 import { ptyIncarnationById } from './ownership-state'
 
 export async function shutdownProviderAndDetectExit(
diff --git a/src/main/ipc/pty/runtime/controller-deps.ts b/src/main/ipc/pty/runtime/controller-deps.ts
index 5c2ea1bf82c..d1f8ccd9b3f 100644
--- a/src/main/ipc/pty/runtime/controller-deps.ts
+++ b/src/main/ipc/pty/runtime/controller-deps.ts
@@ -1,7 +1,7 @@
 import type { PtyRendererDelivery } from '../session'
 import type { OrcaRuntimeService } from '../../../runtime/orca-runtime'
 import type { Store } from '../../../persistence'
-import type { IPtyProvider } from '../../../providers/types'
+import type { IPtyProvider } from '../../../providers/pty-provider-contract'
 import type { GlobalSettings } from '../../../../shared/global-settings-types'
 import type { TuiAgent } from '../../../../shared/tui-agent'
 import type { AgentProviderSessionMetadata } from '../../../../shared/agent-session-resume'
diff --git a/src/main/ipc/pty/runtime/kill.ts b/src/main/ipc/pty/runtime/kill.ts
index ba0cfb7fe15..8d8015d9811 100644
--- a/src/main/ipc/pty/runtime/kill.ts
+++ b/src/main/ipc/pty/runtime/kill.ts
@@ -1,4 +1,4 @@
-import type { IPtyProvider } from '../../../providers/types'
+import type { IPtyProvider } from '../../../providers/pty-provider-contract'
 import { SSH_PROVIDER_UNREGISTERED_REASON } from '../../../../shared/pty-liveness-verdict'
 import { ptyOwnership, ptyIncarnationById } from '../provider/ownership-state'
 import {
diff --git a/src/main/ipc/pty/runtime/operations.ts b/src/main/ipc/pty/runtime/operations.ts
index a5881b3dcb2..45108ea4e4c 100644
--- a/src/main/ipc/pty/runtime/operations.ts
+++ b/src/main/ipc/pty/runtime/operations.ts
@@ -1,6 +1,6 @@
 import { isRemoteRuntimePtyId } from '../../../../shared/remote-runtime-pty-id'
 import { LOCAL_EXECUTION_HOST_ID } from '../../../../shared/execution-host'
-import type { IPtyProvider } from '../../../providers/types'
+import type { IPtyProvider } from '../../../providers/pty-provider-contract'
 import { LocalPtyProvider } from '../../../providers/local-pty-provider'
 import { ptyOwnership } from '../provider/ownership-state'
 import { ptySizes } from '../delivery/visibility-state'
diff --git a/src/main/ipc/pty/runtime/spawn-early.ts b/src/main/ipc/pty/runtime/spawn-early.ts
index a93795d183e..45b8f04a38a 100644
--- a/src/main/ipc/pty/runtime/spawn-early.ts
+++ b/src/main/ipc/pty/runtime/spawn-early.ts
@@ -1,4 +1,4 @@
-import type { PtySpawnResult } from '../../../providers/types'
+import type { PtySpawnResult } from '../../../providers/pty-provider-contract'
 import { getAppPtyId } from '../provider/registry'
 import { allocatePtyLifecycleSequence } from '../host-env/types'
 import { snapshotCodexPaneHomeRoutes, codexReattachedHomeRouteField } from '../host-env/codex-home'
diff --git a/src/main/ipc/pty/runtime/spawn-execute.ts b/src/main/ipc/pty/runtime/spawn-execute.ts
index 6c4fe9d41a9..ba3dc5d3611 100644
--- a/src/main/ipc/pty/runtime/spawn-execute.ts
+++ b/src/main/ipc/pty/runtime/spawn-execute.ts
@@ -1,4 +1,4 @@
-import type { PtySpawnResult } from '../../../providers/types'
+import type { PtySpawnResult } from '../../../providers/pty-provider-contract'
 import { ptyIncarnationById } from '../provider/ownership-state'
 import { ptySizes } from '../delivery/visibility-state'
 import { tryGetProviderForPty } from '../provider/registry'
diff --git a/src/main/ipc/pty/runtime/spawn-options.ts b/src/main/ipc/pty/runtime/spawn-options.ts
index 9988c3d539d..39a786cf861 100644
--- a/src/main/ipc/pty/runtime/spawn-options.ts
+++ b/src/main/ipc/pty/runtime/spawn-options.ts
@@ -1,6 +1,6 @@
 import { getAppEnvironment } from '../../../../shared/app-environment'
 import { getLegacyOpenCodeEnvKeysToDelete } from '../../../opencode/legacy-shared-config-dir'
-import type { IPtyProvider, PtySpawnResult } from '../../../providers/types'
+import type { IPtyProvider, PtySpawnResult } from '../../../providers/pty-provider-contract'
 import { LocalPtyProvider } from '../../../providers/local-pty-provider'
 import { makePaneKey, isTerminalLeafId } from '../../../../shared/stable-pane-id'
 import { isValidTerminalTabId } from '../../../../shared/terminal-tab-id'
diff --git a/src/main/ipc/pty/runtime/spawn-preflight.ts b/src/main/ipc/pty/runtime/spawn-preflight.ts
index 22d33bf708d..9a7404cda93 100644
--- a/src/main/ipc/pty/runtime/spawn-preflight.ts
+++ b/src/main/ipc/pty/runtime/spawn-preflight.ts
@@ -1,7 +1,7 @@
 import { withClaudeProfileTerminalEnv } from '../../../claude-accounts/claude-profile-installed-router'
 import { inheritOmpLaunchEnvironment } from '../host-env/omp-launch-environment'
 import { getAppEnvironment } from '../../../../shared/app-environment'
-import type { PtySpawnResult } from '../../../providers/types'
+import type { PtySpawnResult } from '../../../providers/pty-provider-contract'
 import { LocalPtyProvider } from '../../../providers/local-pty-provider'
 import { isValidTerminalTabId } from '../../../../shared/terminal-tab-id'
 import { isTerminalLeafId } from '../../../../shared/stable-pane-id'
diff --git a/src/main/ipc/pty/runtime/spawn-state.ts b/src/main/ipc/pty/runtime/spawn-state.ts
index d4f8472fa09..79491fa4076 100644
--- a/src/main/ipc/pty/runtime/spawn-state.ts
+++ b/src/main/ipc/pty/runtime/spawn-state.ts
@@ -1,5 +1,9 @@
 import type { SpawnIntent } from '../../../../shared/host-spawn-admission'
-import type { IPtyProvider, PtySpawnOptions, PtySpawnResult } from '../../../providers/types'
+import type {
+  IPtyProvider,
+  PtySpawnOptions,
+  PtySpawnResult
+} from '../../../providers/pty-provider-contract'
 import type { CodexPaneHomeRoute } from '../../../codex/codex-pane-account-registry'
 import type { CodexAccountSelectionTarget } from '../../../codex-accounts/runtime-selection'
 import type { ClaudeRuntimeAuthPreparation } from '../../../claude-accounts/runtime-auth-service'
diff --git a/src/main/ipc/pty/session.ts b/src/main/ipc/pty/session.ts
index d05a777ee02..299215d3c4e 100644
--- a/src/main/ipc/pty/session.ts
+++ b/src/main/ipc/pty/session.ts
@@ -2,7 +2,7 @@ import type { BrowserWindow, WebContents } from 'electron'
 import type { OrcaRuntimeService } from '../../runtime/orca-runtime'
 import type { Store } from '../../persistence'
 import type { GlobalSettings } from '../../../shared/global-settings-types'
-import type { IPtyProvider } from '../../providers/types'
+import type { IPtyProvider } from '../../providers/pty-provider-contract'
 import type { PtyModelRestoreReason } from '../../../shared/pty-model-restore-marker'
 import type {
   PtyDeliveryWriteOff,
diff --git a/src/main/ipc/worktree-base-directory-watch-targets.ts b/src/main/ipc/worktree-base-directory-watch-targets.ts
index 3e73194e50f..e588c7e397c 100644
--- a/src/main/ipc/worktree-base-directory-watch-targets.ts
+++ b/src/main/ipc/worktree-base-directory-watch-targets.ts
@@ -2,7 +2,7 @@ import { normalize } from 'node:path'
 import { realpath, stat } from 'node:fs/promises'
 import type { Stats } from 'node:fs'
 import type { Store } from '../persistence'
-import type { FileStat, IFilesystemProvider } from '../providers/types'
+import type { FileStat, IFilesystemProvider } from '../providers/filesystem-provider-contract'
 import type { GlobalSettings } from '../../shared/global-settings-types'
 import type { Repo } from '../../shared/repo-types'
 import { getRepoExecutionHostId, LOCAL_EXECUTION_HOST_ID } from '../../shared/execution-host'
diff --git a/src/main/ipc/worktree-common-git-directory.ts b/src/main/ipc/worktree-common-git-directory.ts
index 2a334055c17..e5761eb8016 100644
--- a/src/main/ipc/worktree-common-git-directory.ts
+++ b/src/main/ipc/worktree-common-git-directory.ts
@@ -6,7 +6,7 @@ import {
   normalizeRuntimePathSeparators,
   resolveRuntimePath
 } from '../../shared/cross-platform-path'
-import type { FileStat } from '../providers/types'
+import type { FileStat } from '../providers/filesystem-provider-contract'
 
 type GitDirectoryStat = Stats | FileStat
 
diff --git a/src/main/providers/types.ts b/src/main/providers/types.ts
deleted file mode 100644
index 56bced04c65..00000000000
--- a/src/main/providers/types.ts
+++ /dev/null
@@ -1,34 +0,0 @@
-// Aggregate provider contract surface. The three per-domain contracts live in
-// their own files; this barrel keeps every historical `providers/types` import
-// path working.
-
-// ─── PTY Provider ───────────────────────────────────────────────────
-
-export type {
-  IPtyProvider,
-  PtyBackgroundStreamEvent,
-  PtyDataEvent,
-  PtyProcessInfo,
-  PtyProviderBufferSnapshot,
-  PtySpawnOptions,
-  PtySpawnResult,
-  PtyTransientFact
-} from './pty-provider-contract'
-
-// ─── Filesystem Provider ────────────────────────────────────────────
-
-export type {
-  FileRangeReadResult,
-  FileReadLimits,
-  FileReadResult,
-  FileStat,
-  FileUploadSession,
-  IFilesystemProvider,
-  TerminalArtifactAccessOptions
-} from './filesystem-provider-contract'
-
-export { FileRangeReadUnsupportedError } from './filesystem-provider-contract'
-
-// ─── Git Provider ───────────────────────────────────────────────────
-
-export type { GitProviderStatusOptions, IGitProvider } from './git-provider-contract'