import sys from pathlib import Path _EXAMPLES_ROOT = Path(__file__).resolve().parents[1] if str(_EXAMPLES_ROOT) not in sys.path: sys.path.insert(0, str(_EXAMPLES_ROOT)) from _bootstrap import ensure_local_sdk_src, runtime_config ensure_local_sdk_src() from codex_app_server import Codex, TextInput with Codex(config=runtime_config()) as codex: thread = codex.thread_start(model="gpt-5.4", config={"model_reasoning_effort": "high"}) first = thread.turn(TextInput("One sentence about structured planning.")).run() second = thread.turn(TextInput("Now restate it for a junior engineer.")).run() reopened = codex.thread_resume(thread.id) listing_active = codex.thread_list(limit=20, archived=False) reading = reopened.read(include_turns=True) _ = reopened.set_name("sdk-lifecycle-demo") _ = codex.thread_archive(reopened.id) listing_archived = codex.thread_list(limit=20, archived=True) unarchived = codex.thread_unarchive(reopened.id) resumed_info = "n/a" try: resumed = codex.thread_resume( unarchived.id, model="gpt-5.4", config={"model_reasoning_effort": "high"}, ) resumed_result = resumed.turn(TextInput("Continue in one short sentence.")).run() resumed_info = f"{resumed_result.id} {resumed_result.status}" except Exception as exc: resumed_info = f"skipped({type(exc).__name__})" forked_info = "n/a" try: forked = codex.thread_fork(unarchived.id, model="gpt-5.4") forked_result = forked.turn(TextInput("Take a different angle in one short sentence.")).run() forked_info = f"{forked_result.id} {forked_result.status}" except Exception as exc: forked_info = f"skipped({type(exc).__name__})" compact_info = "sent" try: _ = unarchived.compact() except Exception as exc: compact_info = f"skipped({type(exc).__name__})" print("Lifecycle OK:", thread.id) print("first:", first.id, first.status) print("second:", second.id, second.status) print("read.turns:", len(reading.thread.turns or [])) print("list.active:", len(listing_active.data)) print("list.archived:", len(listing_archived.data)) print("resumed:", resumed_info) print("forked:", forked_info) print("compact:", compact_info)