fix(electron): preserve native IPC listener behavior (#4389)

Preserve original-function removal, native IPC dispatch and argument identity, with explicit metadata ownership and Evidence verification. Runtime cleanup limitations remain documented.

Fixes #4390.

Co-authored-by: Adolanium <94890352+Adolanium@users.noreply.github.com>
Co-authored-by: gensokyo-dev <342580529+gensokyo-dev@users.noreply.github.com>
Co-authored-by: Kaoru0822 <208281322+kaoru0822-kitauji@users.noreply.github.com>

src/domain/javascript/electronActiveObservation.ts

@@ -97,6 +97,7 @@ export const electronActiveTimelineEventSchema = z.strictObject({
   kind: z.enum([
     "main-handler-invocation",
     "main-event-invocation",
+    "ipc-observation-gap",
     "utility-process-fork",
     "utility-process-message",
     "ipc-main-to-renderer",