docs: reserve seam for complete capabilities

packages/host/directory-picker-native/src/native-picker.ts

@@ -42,7 +42,7 @@ function rethrowIfAborted(signal: AbortSignal, error: unknown): void {
 /**
  * Open the platform directory picker.
  * @param signal - caller/connection lifetime; abort terminates the native command.
- * @param internals - platform and runner seam for deterministic tests.
+ * @param internals - Platform and runner hooks for deterministic tests.
  * @returns the selected path, or null when the user cancels.
  */
 export async function pickNativeDirectory(

packages/host/directory-picker-native/src/win32-dialog-logic.ts

@@ -1,6 +1,6 @@
 /**
  * Pure sequencing of the Win32 `IFileOpenDialog` folder-picker COM
- * conversation over an injectable bindings seam, so every outcome path
+ * conversation over injectable platform bindings, so every outcome path
  * (selection, cancellation, HRESULT failure, cleanup ordering) is testable on
  * any platform. The koffi-backed bindings live in
  * `win32-dialog-bindings.ts`, which only a real win32 process ever loads.

packages/host/directory-picker-native/src/win32-dialog.ts

@@ -60,7 +60,7 @@ function assertNever(value: never): never {
 /**
  * Open the modern Win32 folder picker off the event loop.
  * @param signal - caller lifetime; abort closes the dialog and rejects.
- * @param internals - worker/window seams for deterministic tests.
+ * @param internals - Worker/window hooks for deterministic tests.
  * @returns the selected path, or null when the user cancels.
  */
 export async function pickWin32Directory(