fix: trigger compaction on LLM timeout with high context usage (#46417)

Merged via squash.

Prepared head SHA: 619bc4c1fa
Co-authored-by: joeykrug <5925937+joeykrug@users.noreply.github.com>
Co-authored-by: jalehman <550978+jalehman@users.noreply.github.com>
Reviewed-by: @jalehman

src/process/exec.test.ts

@@ -47,10 +47,10 @@ describe("runCommandWithTimeout", () => {
 
   it("kills command when no output timeout elapses", async () => {
     const result = await runCommandWithTimeout(
-      [process.execPath, "-e", "setTimeout(() => {}, 10)"],
+      [process.execPath, "-e", "setTimeout(() => {}, 5_000)"],
       {
-        timeoutMs: 30,
-        noOutputTimeoutMs: 4,
+        timeoutMs: 2_000,
+        noOutputTimeoutMs: 200,
       },
     );
 
@@ -61,9 +61,9 @@ describe("runCommandWithTimeout", () => {
 
   it("reports global timeout termination when overall timeout elapses", async () => {
     const result = await runCommandWithTimeout(
-      [process.execPath, "-e", "setTimeout(() => {}, 10)"],
+      [process.execPath, "-e", "setTimeout(() => {}, 5_000)"],
       {
-        timeoutMs: 4,
+        timeoutMs: 200,
       },
     );