fix(ralph-loop): preserve prompt dispatch holds through activity

src/hooks/ralph-loop/ralph-loop-event-handler.ts

@@ -2,7 +2,6 @@ import type { PluginInput } from "@opencode-ai/plugin"
 import { log } from "../../shared/logger"
 import { resolveMessageEventSessionID, resolveSessionEventID } from "../../shared/event-session-id"
 import { isSessionActive } from "../shared/session-idle-settle"
-import { releasePromptAsyncReservation } from "../shared/prompt-async-gate"
 import type { IterationCommitExpectation, RalphLoopOptions, RalphLoopState } from "./types"
 import { HOOK_NAME } from "./constants"
 import { handleDetectedCompletion } from "./completion-handler"
@@ -197,9 +196,6 @@ export function createRalphLoopEventHandler(
 		const props = event.properties as Record<string, unknown> | undefined
 		const runtimeRetryActivitySessionID = getRuntimeRetryActivitySessionID(event.type, props)
 		if (runtimeRetryActivitySessionID) {
-			releasePromptAsyncReservation(runtimeRetryActivitySessionID, "ralph-loop:activity", {
-				reservedBy: HOOK_NAME,
-			})
 			runtimeErrorRetriedSessions.delete(runtimeRetryActivitySessionID)
 			recentHandledSyntheticIdleAt.delete(runtimeRetryActivitySessionID)
 		}