diff --git a/packages/engine/src/__tests__/backlog-pressure-reporter.test.ts b/packages/engine/src/__tests__/backlog-pressure-reporter.test.ts
index 9ad91940fa..3385c26f6d 100644
--- a/packages/engine/src/__tests__/backlog-pressure-reporter.test.ts
+++ b/packages/engine/src/__tests__/backlog-pressure-reporter.test.ts
@@ -2,6 +2,13 @@ import { describe, expect, it, vi, beforeEach } from "vitest";
 import type { Task, TaskStore } from "@fusion/core";
 import { BacklogPressureReporter } from "../backlog-pressure-reporter.js";
 
+/*
+FNXC:PgMigrationQuarantine 2026-07-18-04:15:
+VAL-REMOVAL-005 reporters await the PostgreSQL-shaped insight-store contract.
+Keep mock reads promise-based so cooldown and payload assertions exercise the
+same asynchronous collaborator boundary as production.
+*/
+
 function createTask(overrides: Partial<Task> = {}): Task {
   return {
     id: "FN-1",
@@ -86,7 +93,7 @@ describe("BacklogPressureReporter", () => {
       createTask({ id: "FN-5" }),
     ];
     const allTasks = [...todoFull, createTask({ id: "FN-0", column: "todo" })];
-    const store = createStore({ todoSlim, inProgressSlim, todoFull, allTasks, insightStore: { upsertInsight: vi.fn(), listInsights: vi.fn().mockReturnValue([]) } });
+    const store = createStore({ todoSlim, inProgressSlim, todoFull, allTasks, insightStore: { upsertInsight: vi.fn(), listInsights: vi.fn().mockResolvedValue([]) } });
     const reporter = new BacklogPressureReporter({ store, projectId: "/tmp/project", logger });
     await expect(reporter.report()).resolves.toEqual({ alerted: false, reason: "insufficient-candidates" });
   });
@@ -109,7 +116,7 @@ describe("BacklogPressureReporter", () => {
       createTask({ id: "FN-DEP-TODO", column: "todo" }),
       createTask({ id: "FN-DEP-DONE", column: "done" }),
     ];
-    const insightStore = { upsertInsight: vi.fn(), listInsights: vi.fn().mockReturnValue([]) };
+    const insightStore = { upsertInsight: vi.fn(), listInsights: vi.fn().mockResolvedValue([]) };
     const reporter = new BacklogPressureReporter({
       store: createStore({ todoSlim, inProgressSlim, todoFull, allTasks, insightStore }),
       projectId: "/tmp/project",
@@ -136,7 +143,7 @@ describe("BacklogPressureReporter", () => {
     const todoSlim = Array.from({ length: 44 }, (_, i) => createTask({ id: `FN-T${i}` }));
     const inProgressSlim = [createTask({ id: "FN-P1", column: "in-progress" }), createTask({ id: "FN-P2", column: "in-progress" }), createTask({ id: "FN-P3", column: "in-progress" })];
     const todoFull = Array.from({ length: 8 }, (_, i) => createTask({ id: `FN-C${i}`, title: `Candidate ${i}`, priority: i === 0 ? "urgent" : "normal" }));
-    const insightStore = { upsertInsight: vi.fn(), listInsights: vi.fn().mockReturnValue([]) };
+    const insightStore = { upsertInsight: vi.fn(), listInsights: vi.fn().mockResolvedValue([]) };
     const store = createStore({ todoSlim, inProgressSlim, todoFull, allTasks: todoFull, insightStore });
     const reporter = new BacklogPressureReporter({ store, projectId: "/tmp/project", logger, now: () => now });
 
@@ -162,7 +169,7 @@ describe("BacklogPressureReporter", () => {
       const todoFull = Array.from({ length: 5 }, (_, i) => createTask({ id: `FN-C${i}` }));
       const insightStore = {
         upsertInsight: vi.fn(),
-        listInsights: vi.fn().mockReturnValue([]),
+        listInsights: vi.fn().mockResolvedValue([]),
       };
       const store = createStore({ todoSlim, inProgressSlim, todoFull, allTasks: todoFull, insightStore, settings: { backlogPressureAlertCooldownMs: 60_000 } });
       const reporter = new BacklogPressureReporter({ store, projectId: "/tmp/project", logger, now: () => Date.now() });
@@ -170,14 +177,14 @@ describe("BacklogPressureReporter", () => {
       await reporter.report();
       expect(insightStore.upsertInsight).toHaveBeenCalledTimes(1);
 
-      insightStore.listInsights.mockReturnValue([
+      insightStore.listInsights.mockResolvedValue([
         { title: "Backlog pressure detected 2026-05-18", updatedAt: new Date(Date.now()).toISOString() },
       ]);
       await expect(reporter.report()).resolves.toEqual({ alerted: false, reason: "under-threshold" });
       expect(insightStore.upsertInsight).toHaveBeenCalledTimes(1);
 
       vi.advanceTimersByTime(61_000);
-      insightStore.listInsights.mockReturnValue([
+      insightStore.listInsights.mockResolvedValue([
         { title: "Backlog pressure detected 2026-05-18", updatedAt: new Date(baseNow).toISOString() },
       ]);
       await reporter.report();
diff --git a/packages/engine/src/__tests__/dependency-blocked-todo-reporter.test.ts b/packages/engine/src/__tests__/dependency-blocked-todo-reporter.test.ts
index e3ce40c9a7..49cc614a82 100644
--- a/packages/engine/src/__tests__/dependency-blocked-todo-reporter.test.ts
+++ b/packages/engine/src/__tests__/dependency-blocked-todo-reporter.test.ts
@@ -5,6 +5,13 @@ import {
   DEPENDENCY_BLOCKED_TODO_TITLE_PREFIX,
 } from "../dependency-blocked-todo-reporter.js";
 
+/*
+FNXC:PgMigrationQuarantine 2026-07-18-04:15:
+VAL-REMOVAL-005 reporters await the PostgreSQL-shaped insight-store contract.
+Keep mock reads promise-based so cooldown and payload assertions exercise the
+same asynchronous collaborator boundary as production.
+*/
+
 function createTask(overrides: Partial<Task> = {}): Task {
   return {
     id: "FN-1",
@@ -85,7 +92,7 @@ describe("DependencyBlockedTodoReporter", () => {
       createTask({ id: "FN-5085", dependencies: ["FN-5090"] }),
       createTask({ id: "FN-5089", dependencies: ["FN-5090"] }),
     ];
-    const insightStore = { upsertInsight: vi.fn(), listInsights: vi.fn().mockReturnValue([]) };
+    const insightStore = { upsertInsight: vi.fn(), listInsights: vi.fn().mockResolvedValue([]) };
     const store = createStore({ tasks, insightStore });
     const reporter = new DependencyBlockedTodoReporter({ store, projectId: "/tmp/project", logger, now: () => now });
 
@@ -110,7 +117,7 @@ describe("DependencyBlockedTodoReporter", () => {
     ];
     const insightStore = {
       upsertInsight: vi.fn(),
-      listInsights: vi.fn().mockReturnValue([{ title: `${DEPENDENCY_BLOCKED_TODO_TITLE_PREFIX} 2026-05-18`, updatedAt: "2026-05-18T11:59:30.000Z" }]),
+      listInsights: vi.fn().mockResolvedValue([{ title: `${DEPENDENCY_BLOCKED_TODO_TITLE_PREFIX} 2026-05-18`, updatedAt: "2026-05-18T11:59:30.000Z" }]),
     };
     const store = createStore({ tasks, insightStore, settings: { dependencyBlockedTodoReportCooldownMs: 60_000 } });
     const reporter = new DependencyBlockedTodoReporter({ store, projectId: "/tmp/project", logger, now: () => now });
@@ -126,7 +133,7 @@ describe("DependencyBlockedTodoReporter", () => {
     ];
     const insightStore = {
       upsertInsight: vi.fn(),
-      listInsights: vi.fn().mockReturnValue([{ title: `${DEPENDENCY_BLOCKED_TODO_TITLE_PREFIX} 2026-05-17`, updatedAt: "2026-05-18T11:58:00.000Z" }]),
+      listInsights: vi.fn().mockResolvedValue([{ title: `${DEPENDENCY_BLOCKED_TODO_TITLE_PREFIX} 2026-05-17`, updatedAt: "2026-05-18T11:58:00.000Z" }]),
     };
     const store = createStore({ tasks, insightStore, settings: { dependencyBlockedTodoReportCooldownMs: 60_000 } });
     const reporter = new DependencyBlockedTodoReporter({ store, projectId: "/tmp/project", logger, now: () => now });
@@ -156,7 +163,7 @@ describe("DependencyBlockedTodoReporter", () => {
       createTask({ id: "FN-5085", dependencies: ["FN-5090"] }),
       createTask({ id: "FN-5089", dependencies: ["FN-5090"] }),
     ];
-    const insightStore = { upsertInsight: vi.fn(), listInsights: vi.fn().mockReturnValue([]) };
+    const insightStore = { upsertInsight: vi.fn(), listInsights: vi.fn().mockResolvedValue([]) };
     const store = createStore({ tasks, insightStore });
     const reporter = new DependencyBlockedTodoReporter({ store, projectId: "/tmp/project", logger, now: () => Date.parse("2026-05-18T12:00:00.000Z") });
     await reporter.report();
diff --git a/packages/engine/src/__tests__/goal-injection-diagnostics-wiring.test.ts b/packages/engine/src/__tests__/goal-injection-diagnostics-wiring.test.ts
index 72524ca029..b3fbbd4b87 100644
--- a/packages/engine/src/__tests__/goal-injection-diagnostics-wiring.test.ts
+++ b/packages/engine/src/__tests__/goal-injection-diagnostics-wiring.test.ts
@@ -6,6 +6,13 @@ import {
   resolveGoalContextForDiagnostics,
 } from "../goal-injection-diagnostics.js";
 
+/*
+FNXC:PgMigrationQuarantine 2026-07-18-04:15:
+Goal injection awaits GoalStore listGoals under the PostgreSQL backend. These
+wiring mocks return promises to preserve diagnostic and audit assertions at
+the production-shaped async collaborator boundary.
+*/
+
 function goal(id: string, title: string, createdAt: string): Goal {
   return {
     id,
@@ -21,7 +28,7 @@ describe("goal injection diagnostics wiring seam", () => {
   it("resolveAndEmitGoalContext emits applied diagnostics and audit for planning lane", async () => {
     const goals = [goal("G-1", "one", "2026-01-01T00:00:00.000Z")];
     const store = {
-      getGoalStore: () => ({ listGoals: () => goals }),
+      getGoalStore: () => ({ listGoals: async () => goals }),
       logEntry: vi.fn().mockResolvedValue(undefined),
       recordRunAuditEvent: vi.fn().mockResolvedValue(undefined),
     } as any;
@@ -42,7 +49,7 @@ describe("goal injection diagnostics wiring seam", () => {
 
   it("resolveAndEmitGoalContext emits no-goals semantics when goal store is empty", async () => {
     const store = {
-      getGoalStore: () => ({ listGoals: () => [] }),
+      getGoalStore: () => ({ listGoals: async () => [] }),
       logEntry: vi.fn().mockResolvedValue(undefined),
       recordRunAuditEvent: vi.fn().mockResolvedValue(undefined),
     } as any;
@@ -68,7 +75,7 @@ describe("goal injection diagnostics wiring seam", () => {
     const lanes = ["heartbeat", "executor", "planning"] as const;
     for (const lane of lanes) {
       const store = {
-        getGoalStore: () => ({ listGoals: () => [goal("G-1", "one", "2026-01-01T00:00:00.000Z")] }),
+        getGoalStore: () => ({ listGoals: async () => [goal("G-1", "one", "2026-01-01T00:00:00.000Z")] }),
         getMissionStore: () => ({ listGoalIdsForTask: () => ["G-PROV-1", "G-PROV-2"] }),
         logEntry: vi.fn().mockResolvedValue(undefined),
         recordRunAuditEvent: vi.fn().mockResolvedValue(undefined),
@@ -160,7 +167,7 @@ describe("goal injection diagnostics wiring seam", () => {
 
   it("fails soft when provenance resolution throws", async () => {
     const store = {
-      getGoalStore: () => ({ listGoals: () => [goal("G-1", "one", "2026-01-01T00:00:00.000Z")] }),
+      getGoalStore: () => ({ listGoals: async () => [goal("G-1", "one", "2026-01-01T00:00:00.000Z")] }),
       getMissionStore: () => ({
         listGoalIdsForTask: () => {
           throw new Error("boom");
diff --git a/packages/engine/src/__tests__/merger-cwd-fallback-removed.test.ts b/packages/engine/src/__tests__/merger-cwd-fallback-removed.test.ts
index 2f414cce54..b1191707b1 100644
--- a/packages/engine/src/__tests__/merger-cwd-fallback-removed.test.ts
+++ b/packages/engine/src/__tests__/merger-cwd-fallback-removed.test.ts
@@ -17,7 +17,12 @@ vi.mock("../pi.js", () => ({
 import { aiMergeTask } from "../merger.js";
 import { mergerLog } from "../logger.js";
 import { resolveMergeIntegrationRoot } from "../merger-integration-worktree.js";
-// FNXC:SqliteRemoval 2026-07-14: hasPg guard added — makeReliabilityFixture requires PG after SQLite removal (VAL-REMOVAL-005).
+/*
+FNXC:PgMigrationQuarantine 2026-07-18-04:10:
+VAL-REMOVAL-005 reliability fixtures use PostgreSQL AsyncDataLayer storage. Read
+run audits through getRunAuditEventsAsync so each assertion observes committed
+backend events rather than the removed synchronous SQLite read surface.
+*/
 import { git, hasGit, hasPg, makeReliabilityFixture } from "./reliability-interactions/_helpers.js";
 
 describe("FN-5348 cwd integration fallback removed", () => {
@@ -55,7 +60,7 @@ describe("FN-5348 cwd integration fallback removed", () => {
 
       await aiMergeTask(store, rootDir, task.id).catch(() => undefined);
 
-      const autostashEvents = store.getRunAuditEvents({ taskId: task.id })
+      const autostashEvents = (await store.getRunAuditEventsAsync({ taskId: task.id }))
         .filter((event) => event.mutationType === "merge:reuse-handoff-autostash");
       expect(autostashEvents.length).toBeGreaterThanOrEqual(1);
       const meta = autostashEvents[0]?.metadata ?? {};
@@ -64,7 +69,7 @@ describe("FN-5348 cwd integration fallback removed", () => {
       expect((meta.stashSha as string).length).toBeGreaterThan(0);
 
       // FN-5348 invariant preserved: no cwd-main fallback path was taken.
-      const refused = store.getRunAuditEvents({ taskId: task.id })
+      const refused = (await store.getRunAuditEventsAsync({ taskId: task.id }))
         .filter((event) => event.mutationType === "merge:cwd-integration-fallback-refused");
       expect(refused).toHaveLength(0);
 
@@ -115,7 +120,7 @@ describe("FN-5348 cwd integration fallback removed", () => {
       const result = await aiMergeTask(store, rootDir, task.id);
       expect(result.merged).toBe(true);
       expect(warnSpy).toHaveBeenCalledWith(expect.stringContaining("mergeIntegrationWorktree=cwd-integration-branch is explicit opt-in"));
-      const auditTypes = store.getRunAuditEvents({ taskId: task.id }).map((event) => event.mutationType);
+      const auditTypes = (await store.getRunAuditEventsAsync({ taskId: task.id })).map((event) => event.mutationType);
       expect(auditTypes).not.toContain("merge:cwd-integration-fallback-removed");
     } finally {
       await fixture.cleanup();
diff --git a/packages/engine/src/__tests__/reliability-interactions/integration-worktree-state.test.ts b/packages/engine/src/__tests__/reliability-interactions/integration-worktree-state.test.ts
index c0ba2246ff..750a278f19 100644
--- a/packages/engine/src/__tests__/reliability-interactions/integration-worktree-state.test.ts
+++ b/packages/engine/src/__tests__/reliability-interactions/integration-worktree-state.test.ts
@@ -16,7 +16,12 @@ vi.mock("../../pi.js", () => ({
 }));
 
 import { aiMergeTask } from "../../merger.js";
-// FNXC:SqliteRemoval 2026-07-14: hasPg guard added — makeReliabilityFixture requires PG after SQLite removal (VAL-REMOVAL-005).
+/*
+FNXC:PgMigrationQuarantine 2026-07-18-04:10:
+VAL-REMOVAL-005 reliability fixtures use PostgreSQL AsyncDataLayer storage. Read
+run audits through getRunAuditEventsAsync so each assertion observes committed
+backend events rather than the removed synchronous SQLite read surface.
+*/
 import { git, hasGit, hasPg, makeReliabilityFixture } from "./_helpers.js";
 
 async function setupReuseTask(taskId: string, baseBranch: "main" | "master") {
@@ -68,7 +73,7 @@ describe("reliability interaction: integration-worktree-state telemetry", () =>
       expect(result.merged).toBe(true);
       expect((await store.getTask(task.id))?.column).toBe("done");
 
-      const audits = store.getRunAuditEvents({ taskId: task.id });
+      const audits = await store.getRunAuditEventsAsync({ taskId: task.id });
       const state = audits.find((event) => event.mutationType === "merge:integration-worktree-state");
       expect(state?.metadata).toMatchObject({
         integrationMode: "reuse-task-worktree",
@@ -93,7 +98,7 @@ describe("reliability interaction: integration-worktree-state telemetry", () =>
       git(worktreePath, "sh -c 'printf dirty > DIRTY.txt'");
       await aiMergeTask(store, rootDir, task.id).catch(() => undefined);
 
-      const audits = store.getRunAuditEvents({ taskId: task.id });
+      const audits = await store.getRunAuditEventsAsync({ taskId: task.id });
       const autostash = audits.find((event) => event.mutationType === "merge:reuse-handoff-autostash");
       expect(autostash?.metadata).toMatchObject({ worktreePath });
       expect(typeof autostash?.metadata?.stashSha).toBe("string");
@@ -118,7 +123,7 @@ describe("reliability interaction: integration-worktree-state telemetry", () =>
       const result = await aiMergeTask(store, rootDir, task.id);
       expect(result.merged).toBe(true);
 
-      const audits = store.getRunAuditEvents({ taskId: task.id }).filter((event) =>
+      const audits = (await store.getRunAuditEventsAsync({ taskId: task.id })).filter((event) =>
         ["merge:integration-worktree-state", "merge:cwd-integration-fallback-refused", "merge:integration-ref-advance"].includes(event.mutationType),
       );
       const state = audits.find((event) => event.mutationType === "merge:integration-worktree-state");
diff --git a/packages/engine/src/__tests__/reliability-interactions/merge-runner-spawn-enoent-prevention.test.ts b/packages/engine/src/__tests__/reliability-interactions/merge-runner-spawn-enoent-prevention.test.ts
index 58141e0c8c..2b8ef60ad4 100644
--- a/packages/engine/src/__tests__/reliability-interactions/merge-runner-spawn-enoent-prevention.test.ts
+++ b/packages/engine/src/__tests__/reliability-interactions/merge-runner-spawn-enoent-prevention.test.ts
@@ -19,7 +19,12 @@ vi.mock("../../pi.js", () => ({
 import type { Settings } from "@fusion/core";
 import { activeSessionRegistry, executingTaskLock } from "../../active-session-registry.js";
 import { aiMergeTask } from "../../merger.js";
-// FNXC:SqliteRemoval 2026-07-14: hasPg guard added — makeReliabilityFixture requires PG after SQLite removal (VAL-REMOVAL-005).
+/*
+FNXC:PgMigrationQuarantine 2026-07-18-04:10:
+VAL-REMOVAL-005 reliability fixtures use PostgreSQL AsyncDataLayer storage. Read
+run audits through getRunAuditEventsAsync so each assertion observes committed
+backend events rather than the removed synchronous SQLite read surface.
+*/
 import { git, hasGit, hasPg, makeReliabilityFixture } from "./_helpers.js";
 
 const RM = { recursive: true, force: true, maxRetries: 5, retryDelay: 50 } as const;
@@ -129,7 +134,7 @@ describe("FN-6278 reliability interactions: merge runner cwd preflight", () => {
 
       const result = await aiMergeTask(store, rootDir, taskId);
       const taskAfter = await store.getTask(taskId);
-      const audits = store.getRunAuditEvents({ taskId });
+      const audits = await store.getRunAuditEventsAsync({ taskId });
       const auditTypes = audits.map((event) => event.mutationType);
 
       expect(result.merged).toBe(true);
@@ -181,7 +186,7 @@ describe("FN-6278 reliability interactions: merge runner cwd preflight", () => {
 
       const result = await aiMergeTask(store, rootDir, taskId);
       const taskAfter = await store.getTask(taskId);
-      const audits = store.getRunAuditEvents({ taskId });
+      const audits = await store.getRunAuditEventsAsync({ taskId });
       const auditTypes = audits.map((event) => event.mutationType);
 
       expect(result.merged).toBe(true);
@@ -218,7 +223,7 @@ describe("FN-6278 reliability interactions: merge runner cwd preflight", () => {
     try {
       const result = await aiMergeTask(store, rootDir, taskId);
       const taskAfter = await store.getTask(taskId);
-      const audits = store.getRunAuditEvents({ taskId });
+      const audits = await store.getRunAuditEventsAsync({ taskId });
       const auditTypes = audits.map((event) => event.mutationType);
 
       expect(result.merged).toBe(true);
@@ -248,7 +253,7 @@ describe("FN-6278 reliability interactions: merge runner cwd preflight", () => {
         gate: "active-session-binding",
       });
       const taskAfter = await store.getTask(taskId);
-      const audits = store.getRunAuditEvents({ taskId });
+      const audits = await store.getRunAuditEventsAsync({ taskId });
       const auditTypes = audits.map((event) => event.mutationType);
 
       expect(taskAfter?.column).toBe("in-review");
diff --git a/packages/engine/src/__tests__/reliability-interactions/meta-chain-auto-close.test.ts b/packages/engine/src/__tests__/reliability-interactions/meta-chain-auto-close.test.ts
index 75951e5479..989a949527 100644
--- a/packages/engine/src/__tests__/reliability-interactions/meta-chain-auto-close.test.ts
+++ b/packages/engine/src/__tests__/reliability-interactions/meta-chain-auto-close.test.ts
@@ -1,5 +1,10 @@
 import { describe, expect, it } from "vitest";
-// FNXC:SqliteRemoval 2026-07-14: hasPg guard added — makeReliabilityFixture requires PG after SQLite removal (VAL-REMOVAL-005).
+/*
+FNXC:PgMigrationQuarantine 2026-07-18-04:10:
+VAL-REMOVAL-005 reliability fixtures use PostgreSQL AsyncDataLayer storage. Read
+run audits through getRunAuditEventsAsync so each assertion observes committed
+backend events rather than the removed synchronous SQLite read surface.
+*/
 import { hasGit, hasPg, makeReliabilityFixture } from "./_helpers.js";
 
 const canRun = hasGit && hasPg;
@@ -73,7 +78,7 @@ const canRun = hasGit && hasPg;
         [meta4.id]: "archived",
       });
 
-      const runAudits = fixture.store.getRunAuditEvents({ limit: 200 });
+      const runAudits = await fixture.store.getRunAuditEventsAsync({ limit: 200 });
       const decayAudits = runAudits.filter((event) => event.mutationType === "task:auto-rebound-paused-scope-decay");
       const metaResolvedAudits = runAudits.filter((event) => event.mutationType === "task:auto-archived-meta-resolved");
       expect(decayAudits.length).toBeGreaterThanOrEqual(1);
diff --git a/packages/engine/vitest.config.ts b/packages/engine/vitest.config.ts
index 8119d7db69..d7821030bd 100644
--- a/packages/engine/vitest.config.ts
+++ b/packages/engine/vitest.config.ts
@@ -295,17 +295,8 @@ export default defineConfig({
             // SQLite-path gate test evicted + quarantined (see engine-core comment + ledger).
             "node_modules/**",
             "dist/**",
-            // FNXC:PgMigrationQuarantine 2026-07-18-02:10: FN-8258 rescued the ten remaining VAL-REMOVAL-005 holdouts through PostgreSQL harnesses and production-shaped async contracts; retain only unresolved paired quarantines.
-            // FNXC:PgMigrationQuarantine 2026-07-14-08:00:
+            // FNXC:PgMigrationQuarantine 2026-07-18-04:30: FN-8270 rescued the final seven VAL-REMOVAL-005 holdouts by awaiting PG audit reads and modeling async collaborators. Their paired ledger entries and excludes were removed only after targeted green runs.
             // FNXC:WorkflowStepInstancePersistence 2026-07-16-20:35: FN-8157 restores this PG-backed foreach suite through async store persistence, so it must execute in engine-default.
-            // VAL-REMOVAL-005 deleted the SQLite Database class. These engine-default files fail
-            // because they construct SQLite-backed stores or use sync APIs (getRunAuditEvents,
-            // getDatabase, walCheckpoint) that throw/return-empty in backend mode, or have mock
-            // drift from the async-satellite cutover. Quarantined on sight per AGENTS.md.
-            "src/__tests__/backlog-pressure-reporter.test.ts",
-            "src/__tests__/dependency-blocked-todo-reporter.test.ts",
-            "src/__tests__/goal-injection-diagnostics-wiring.test.ts",
-            "src/__tests__/merger-cwd-fallback-removed.test.ts",
             /*
             FNXC:EngineTests 2026-07-18-08:15:
             heartbeat-error-recovery timed out at 30s on full-suite shard 1
@@ -363,11 +354,7 @@ export default defineConfig({
             Database class being deleted. Quarantined on sight per AGENTS.md; mirrored in
             scripts/lib/test-quarantine.json.
             */
-// FNXC:PgMigrationQuarantine 2026-07-14-08:00:
-            // VAL-REMOVAL-005 deleted the SQLite Database class. These files use makeReliabilityFixture
-            // (now PG-backed) but fail on sync SQLite APIs (getRunAuditEvents, getDatabase) that
-            // return [] / throw in backend mode, or on mock drift from the async-satellite cutover.
-            // Quarantined on sight per AGENTS.md; mirrored in scripts/lib/test-quarantine.json.
+            // FNXC:PgMigrationQuarantine 2026-07-18-04:30: FN-8270 restored the final VAL-REMOVAL-005 reliability suites with awaited PostgreSQL audit reads. Keep the project partition below while allowing these tests to execute under engine-reliability.
             // FNXC:PgMigrationQuarantine 2026-07-16-04:59:
             // FN-8044 migrated dependency-reconcile suites to the PG corrupt-row seeding seam, so
             // they are deliberately absent from this quarantine list and ledger.
@@ -381,9 +368,6 @@ export default defineConfig({
             // FN-8111 restored meta-archive guard composition with PG-authoritative audits and canonical fixture ids, and fixed completed stale continuations so the in-memory wedge suite is intentionally unquarantined.
             // FNXC:PgMigrationQuarantine 2026-07-16-12:30:
             // FN-8118 verified the already-landed post-done continuation rescue: this pure in-memory suite has no PG fixture and passed its serialized reliability lane three times. Keep it absent from this quarantine list while preserving the engine-default reliability partition exclusion.
-            "src/__tests__/reliability-interactions/integration-worktree-state.test.ts",
-            "src/__tests__/reliability-interactions/merge-runner-spawn-enoent-prevention.test.ts",
-            "src/__tests__/reliability-interactions/meta-chain-auto-close.test.ts",
           ],
           // These tests assert event ordering across real worktrees. Parallel
           // execution under merger load caused subprocess-guard timeouts and
diff --git a/scripts/lib/test-quarantine.json b/scripts/lib/test-quarantine.json
index 6eaf6f2d77..8a6dc53618 100644
--- a/scripts/lib/test-quarantine.json
+++ b/scripts/lib/test-quarantine.json
@@ -1,41 +1,6 @@
 {
-  "$comment": "Flaky-test quarantine ledger (deletion ratchet \u2014 see AGENTS.md 'Flaky tests: quarantine on sight' and docs/testing.md 'Quarantine ledger and the deletion ratchet'). A test observed failing without a corresponding real bug is quarantined ON SIGHT: add an entry here AND a matching one-line `exclude` entry in that package's vitest config, in the same commit. Every entry needs a non-empty `reason` (link the failing run) and a `quarantinedAt` date \u2014 the entry expires 14 days later, at which point the test file is DELETED unless someone rescues it with evidence it catches real regressions plus a root-cause fix (never appeasement). There is deliberately no loader module and no automation around this file: it is a dated record, the vitest config is the enforcement.",
+  "$comment": "Flaky-test quarantine ledger (deletion ratchet — see AGENTS.md 'Flaky tests: quarantine on sight' and docs/testing.md 'Quarantine ledger and the deletion ratchet'). A test observed failing without a corresponding real bug is quarantined ON SIGHT: add an entry here AND a matching one-line `exclude` entry in that package's vitest config, in the same commit. Every entry needs a non-empty `reason` (link the failing run) and a `quarantinedAt` date — the entry expires 14 days later, at which point the test file is DELETED unless someone rescues it with evidence it catches real regressions plus a root-cause fix (never appeasement). There is deliberately no loader module and no automation around this file: it is a dated record, the vitest config is the enforcement.",
   "entries": [
-    {
-      "file": "packages/engine/src/__tests__/backlog-pressure-reporter.test.ts",
-      "reason": "VAL-REMOVAL-005 PG migration: fails due to SQLite removal or sync API incompatibility in backend mode. Failing run: https://github.com/Runfusion/Fusion/actions/runs/29344576232. Mirrored in packages/engine/vitest.config.ts.",
-      "quarantinedAt": "2026-07-14"
-    },
-    {
-      "file": "packages/engine/src/__tests__/dependency-blocked-todo-reporter.test.ts",
-      "reason": "VAL-REMOVAL-005 PG migration: fails due to SQLite removal or sync API incompatibility in backend mode. Failing run: https://github.com/Runfusion/Fusion/actions/runs/29344576232. Mirrored in packages/engine/vitest.config.ts.",
-      "quarantinedAt": "2026-07-14"
-    },
-    {
-      "file": "packages/engine/src/__tests__/goal-injection-diagnostics-wiring.test.ts",
-      "reason": "VAL-REMOVAL-005 PG migration: fails due to SQLite removal or sync API incompatibility in backend mode. Failing run: https://github.com/Runfusion/Fusion/actions/runs/29344576232. Mirrored in packages/engine/vitest.config.ts.",
-      "quarantinedAt": "2026-07-14"
-    },
-    {
-      "file": "packages/engine/src/__tests__/merger-cwd-fallback-removed.test.ts",
-      "reason": "VAL-REMOVAL-005 PG migration: fails due to SQLite removal or sync API incompatibility in backend mode. Failing run: https://github.com/Runfusion/Fusion/actions/runs/29344576232. Mirrored in packages/engine/vitest.config.ts.",
-      "quarantinedAt": "2026-07-14"
-    },
-    {
-      "file": "packages/engine/src/__tests__/reliability-interactions/integration-worktree-state.test.ts",
-      "reason": "VAL-REMOVAL-005 PG migration: reliability fixture uses PG-backed store but sync APIs (getRunAuditEvents, getDatabase) fail in backend mode. Failing run: https://github.com/Runfusion/Fusion/actions/runs/29344576232. Mirrored in packages/engine/vitest.config.ts.",
-      "quarantinedAt": "2026-07-14"
-    },
-    {
-      "file": "packages/engine/src/__tests__/reliability-interactions/merge-runner-spawn-enoent-prevention.test.ts",
-      "reason": "VAL-REMOVAL-005 PG migration: reliability fixture uses PG-backed store but sync APIs (getRunAuditEvents, getDatabase) fail in backend mode. Failing run: https://github.com/Runfusion/Fusion/actions/runs/29344576232. Mirrored in packages/engine/vitest.config.ts.",
-      "quarantinedAt": "2026-07-14"
-    },
-    {
-      "file": "packages/engine/src/__tests__/reliability-interactions/meta-chain-auto-close.test.ts",
-      "reason": "VAL-REMOVAL-005 PG migration: reliability fixture uses PG-backed store but sync APIs (getRunAuditEvents, getDatabase) fail in backend mode. Failing run: https://github.com/Runfusion/Fusion/actions/runs/29344576232. Mirrored in packages/engine/vitest.config.ts.",
-      "quarantinedAt": "2026-07-14"
-    },
     {
       "file": "packages/engine/src/__tests__/heartbeat-error-recovery.test.ts",
       "reason": "Full-suite shard 1 timeout (30s) on rotation-shaped 401 recovery under load without product bug evidence. Failing run: https://github.com/Runfusion/Fusion/actions/runs/29636550951. Mirrored in packages/engine/vitest.config.ts.",