refactor(core): canonicalize pty service (#32182)

packages/opencode/test/server/httpapi-pty.test.ts

@@ -136,6 +136,33 @@ describe("pty HttpApi bridge", () => {
     })
   })
 
+  testPty("hides exited sessions on the legacy surface", async () => {
+    await using tmp = await tmpdir({ git: true, config: { formatter: false, lsp: false } })
+    const headers = { "x-opencode-directory": tmp.path }
+    const created = await app().request(PtyPaths.create, {
+      method: "POST",
+      headers: { ...headers, "content-type": "application/json" },
+      body: JSON.stringify({ command: "/usr/bin/env", args: ["sh", "-c", "exit 0"] }),
+    })
+    expect(created.status).toBe(200)
+    const info = await created.json()
+
+    // Exited sessions are retained by core for the canonical surface, but the legacy
+    // routes preserve pre-retention behavior: exited sessions are invisible here.
+    const deadline = Date.now() + 5_000
+    while (Date.now() < deadline) {
+      const found = await app().request(PtyPaths.get.replace(":ptyID", info.id), { headers })
+      if (found.status === 404) break
+      await new Promise((resolve) => setTimeout(resolve, 50))
+    }
+    const found = await app().request(PtyPaths.get.replace(":ptyID", info.id), { headers })
+    expect(found.status).toBe(404)
+
+    const list = await app().request(PtyPaths.list, { headers })
+    expect(list.status).toBe(200)
+    expect(await list.json()).toEqual([])
+  })
+
   testPty("disposes PTY sessions with their legacy instance", async () => {
     await using tmp = await tmpdir({ git: true, config: { formatter: false, lsp: false } })
     const headers = { "x-opencode-directory": tmp.path }