test: repair session write-lock generated coverage (#76051)

docs/.generated/config-baseline.sha256

@@ -1,4 +1,4 @@
-7d12cd37e835641b78986fa909208e34990a51b0cfe71480ecbd073db4576a0a  config-baseline.json
-7b1716d578d22e5b4388f56140b50d326f61327b760f8c580bdd9b971335fb85  config-baseline.core.json
+f3a0cf57605c6c25ce162080d2631c0256018c2ec128383d521153f65e69a699  config-baseline.json
+711b933e8748fe220d4be1bcc7df74503ab9c5973e967839302b8c5c773ecebf  config-baseline.core.json
 a2a949a99f5cc5960d4d7ae0159b6b48c4d6b1f813be67cda196457ab2f88034  config-baseline.channel.json
 fffe0e74eab92a88c3c57952a70bc932438ce3a7f5f9982688437f2cdaee0bcb  config-baseline.plugin.json

src/agents/pi-embedded-runner/compact.hooks.harness.ts

@@ -329,6 +329,7 @@ export async function loadCompactHooksHarness(): Promise<{
   vi.doMock("../session-write-lock.js", () => ({
     acquireSessionWriteLock: vi.fn(async () => ({ release: vi.fn(async () => {}) })),
     resolveSessionLockMaxHoldFromTimeout: vi.fn(() => 0),
+    resolveSessionWriteLockAcquireTimeoutMs: vi.fn(() => 60_000),
   }));
 
   vi.doMock("../../context-engine/init.js", () => ({

src/agents/pi-embedded-runner/run/attempt.spawn-workspace.test-support.ts

@@ -356,6 +356,7 @@ vi.mock("../../session-write-lock.js", () => ({
     hoisted.acquireSessionWriteLockMock(params),
   resolveSessionWriteLockAcquireTimeoutMs: () => 60000,
   resolveSessionLockMaxHoldFromTimeout: () => 1,
+  resolveSessionWriteLockAcquireTimeoutMs: () => 60_000,
 }));
 
 vi.mock("../tool-result-context-guard.js", async () => {