fix(compaction): remove hardcoded Claude model from compaction hooks

src/index.compaction-model-agnostic.static.test.ts

@@ -0,0 +1,21 @@
+import { describe, expect, test } from "bun:test"
+import { readFileSync } from "node:fs"
+
+describe("experimental.session.compacting", () => {
+  test("does not hardcode a model and uses output.context", () => {
+    //#given
+    const indexUrl = new URL("./index.ts", import.meta.url)
+    const content = readFileSync(indexUrl, "utf-8")
+    const hookIndex = content.indexOf('"experimental.session.compacting"')
+
+    //#when
+    const hookSlice = hookIndex >= 0 ? content.slice(hookIndex, hookIndex + 1200) : ""
+
+    //#then
+    expect(hookIndex).toBeGreaterThanOrEqual(0)
+    expect(content.includes('modelID: "claude-opus-4-6"')).toBe(false)
+    expect(hookSlice.includes("output.context.push")).toBe(true)
+    expect(hookSlice.includes("providerID:")).toBe(false)
+    expect(hookSlice.includes("modelID:")).toBe(false)
+  })
+})