diff --git a/loopx/control_plane/quota/settlement_readback.ts b/loopx/control_plane/quota/settlement_readback.ts
index 5c9f8d7feb..55a6ea80c1 100644
--- a/loopx/control_plane/quota/settlement_readback.ts
+++ b/loopx/control_plane/quota/settlement_readback.ts
@@ -125,6 +125,14 @@ function settlementScope(
   return {runtimeRoot, goalId};
 }
 
+/** Validate the canonical scope before callers perform optional receipt IO. */
+export function validateQuotaSettlementScope(
+  runtimeRootValue: unknown,
+  goalIdValue: unknown,
+): { runtimeRoot: string; goalId: string } {
+  return settlementScope(runtimeRootValue, goalIdValue);
+}
+
 /** Receipt verification owns progress; a durable debit alone is not settlement. */
 function settlementProgress(
   identity: SettlementResult, writeback: SettlementResult, spend: SettlementResult,
diff --git a/loopx/control_plane/work_items/replan_history_settlement.ts b/loopx/control_plane/work_items/replan_history_settlement.ts
index 0282ce3997..eb5d489ff4 100644
--- a/loopx/control_plane/work_items/replan_history_settlement.ts
+++ b/loopx/control_plane/work_items/replan_history_settlement.ts
@@ -1,8 +1,13 @@
 /** Replan history IO: qualify work through the existing settlement owner. */
 import type { JsonObject } from "../effect_program.ts";
-import { jsonObject, requireJsonObject, requireNonEmptyString } from "../runtime_decode.ts";
-import { readQuotaSettlementSnapshot, readQuotaSettlementForAdmittedOwnerFromSnapshot,
-  QUOTA_SETTLEMENT_READBACK_REQUEST_SCHEMA } from "../quota/settlement_readback.ts";
+import { jsonObject, requireJsonObject } from "../runtime_decode.ts";
+import {
+  readQuotaSettlementSnapshot,
+  readQuotaSettlementForAdmittedOwnerFromSnapshot,
+  QUOTA_SETTLEMENT_READBACK_REQUEST_SCHEMA,
+  validateQuotaSettlementScope,
+} from "../quota/settlement_readback.ts";
+import { readGoalRolloutEventSnapshot, strictGoalRolloutEvents } from "../rollout_receipt_log.ts";
 import { parseQuotaAccountingOwner, withQuotaAccountingOwner,
   withBorrowedQuotaAccountingOwner, quotaOwnerOwnsProjection } from "../quota/source_admission.ts";
 import { projectReplanHistory } from "./replan_history.ts";
@@ -13,23 +18,43 @@ export async function projectSettledReplanHistory(value: unknown): Promise<JsonO
   // Historical callers retain their units until explicitly migrated.
   if (source == null) return projectReplanHistory(request);
   const scope = requireJsonObject(source, "settlement source");
-  const runtimeRoot = requireNonEmptyString(scope.runtime_root, "runtime_root");
-  const goalId = requireNonEmptyString(scope.goal_id, "goal_id");
+  const {runtimeRoot, goalId} = validateQuotaSettlementScope(
+    scope.runtime_root,
+    scope.goal_id,
+  );
   const owner = parseQuotaAccountingOwner({runtimeRoot, goalId,
     goalRefValue: scope.goal_ref, sourceAdmissionValue: scope.source_admission});
   const withOwner = scope.borrow_source_admission === true
     ? withBorrowedQuotaAccountingOwner : withQuotaAccountingOwner;
   return await withOwner(owner, async () => {
-    const snapshot = await readQuotaSettlementSnapshot(runtimeRoot, goalId);
     // Scope before ACKs too: a retired instance cannot reset the current lane.
     const runs = (Array.isArray(request.runs) ? request.runs : []).filter(
       raw => quotaOwnerOwnsProjection(owner, jsonObject(raw)?.goal_ref));
+    const rolloutSnapshot = await readGoalRolloutEventSnapshot(runtimeRoot, goalId);
+    const events = strictGoalRolloutEvents(rolloutSnapshot);
+    const receiptKeys = new Set(events.filter(event =>
+      event.event_kind === "quota_should_run" && event.goal_id === goalId &&
+      typeof event.agent_id === "string" && typeof event.run_id === "string" &&
+      quotaOwnerOwnsProjection(owner, event.goal_ref)
+    ).map(event => JSON.stringify([event.agent_id, event.run_id])));
+    const settlementRuns = runs.filter(raw => {
+      const row = jsonObject(raw);
+      return row !== null && typeof row.agent_id === "string" && row.agent_id !== "" &&
+        typeof row.turn_id === "string" && row.turn_id !== "" &&
+        receiptKeys.has(JSON.stringify([row.agent_id, row.turn_id]));
+    });
+    // History rows without a matching should-run receipt cannot be qualified
+    // by settlement. Avoid parsing the strict quota run ledger unless at least
+    // one exact current-owner Turn can contribute to effective-cadence counts.
+    if (settlementRuns.length === 0) {
+      return projectReplanHistory({...request, runs}, new Set());
+    }
+    const snapshot = await readQuotaSettlementSnapshot(runtimeRoot, goalId, rolloutSnapshot);
     const qualified = new Set<string>();
     const seen = new Set<string>();
-    for (const raw of runs) {
+    for (const raw of settlementRuns) {
       const row = jsonObject(raw);
-      if (!row || typeof row.agent_id !== "string" || !row.agent_id ||
-          typeof row.turn_id !== "string" || !row.turn_id) continue;
+      if (!row) continue;
       const key = JSON.stringify([row.agent_id, row.turn_id]);
       if (seen.has(key)) continue;
       seen.add(key);
diff --git a/tests/control_plane_ts/quota_settlement_readback.test.ts b/tests/control_plane_ts/quota_settlement_readback.test.ts
index 7f2a3cd9e6..940ad14804 100644
--- a/tests/control_plane_ts/quota_settlement_readback.test.ts
+++ b/tests/control_plane_ts/quota_settlement_readback.test.ts
@@ -13,6 +13,10 @@ import { dirname, join } from "node:path";
 import test from "node:test";
 
 import { settlementIdentity } from "../../loopx/control_plane/effect_program.ts";
+import {
+  createEffectRuntimeHandlers,
+  dispatchEffectRuntimeMethod,
+} from "../../loopx/control_plane/effect_runtime_handlers.ts";
 import {
   acquireFileMutationLock,
   releaseFileMutationLock,
@@ -1661,3 +1665,79 @@ test("effective cadence scopes settlement and ACKs to its admitted Goal instance
     await rm(root, { recursive: true, force: true });
   }
 });
+
+test("effective cadence skips settlement read without a matching should-run receipt", async () => {
+  const { projectSettledReplanHistory } = await import(
+    "../../loopx/control_plane/work_items/replan_history_settlement.ts");
+  const root = await fixture({guard: false});
+  await appendFile(
+    join(root, "goals", goalId, "runs", "index.jsonl"),
+    "not-json\n",
+  );
+  const request = {
+    schema_version: "replan_history_request_v0",
+    operation: "periodic",
+    agent_id: agentId,
+    monitor_agent_id: agentId,
+    neutral_classifications: [],
+    stall_threshold: 2,
+    periodic_threshold: 1,
+    monitor_threshold: 6,
+    streak_threshold: 5,
+    monitor_schema: "dead_monitor_repeat_v0",
+    todos: {monitors: [], advancements: [], resume: null},
+    settlement_source: {runtime_root: root, goal_id: goalId},
+    runs: [{
+      agent_id: agentId,
+      public_agent_id: agentId,
+      monitor_agent_id: agentId,
+      classification: "progress",
+      generated_at: "2026-09-24T10:00:00Z",
+      observed_at: 1,
+      turn_id: "turn-history-only",
+      accepted_ack: false,
+      progress: null,
+      monitor: {},
+    }],
+  };
+  try {
+    const result = await projectSettledReplanHistory(request);
+    assert.equal(result.trigger, null);
+  } finally {
+    await rm(root, {recursive: true, force: true});
+  }
+});
+
+test(
+  "replan history RPC rejects a relative runtime root before empty-receipt early return",
+  async () => {
+    const handlers = createEffectRuntimeHandlers({
+      fingerprint: "replan-history-runtime-root-test",
+      requestShutdown() {},
+    });
+    const request = {
+      schema_version: "replan_history_request_v0",
+      operation: "periodic",
+      agent_id: agentId,
+      monitor_agent_id: agentId,
+      neutral_classifications: [],
+      stall_threshold: 2,
+      periodic_threshold: 1,
+      monitor_threshold: 6,
+      streak_threshold: 5,
+      monitor_schema: "dead_monitor_repeat_v0",
+      todos: {monitors: [], advancements: [], resume: null},
+      settlement_source: {runtime_root: "relative", goal_id: goalId},
+      runs: [],
+    };
+
+    await assert.rejects(
+      dispatchEffectRuntimeMethod(
+        handlers,
+        "work_item.replan_history.project",
+        request,
+      ),
+      /runtime_root must be absolute/,
+    );
+  },
+);