Files
hermes-agent/tests/run_agent
Teknium1 93a0fe6495 feat(codex-runtime): wire codex_app_server runtime into AIAgent
The integration commit. AIAgent.run_conversation() now early-returns to a
new helper _run_codex_app_server_turn() when self.api_mode ==
'codex_app_server', bypassing the chat_completions tool loop entirely.

Three small surgical edits to run_agent.py (~105 LOC total):

1. Line ~1204 (constructor api_mode validation set):
   Add 'codex_app_server' so an explicit api_mode='codex_app_server'
   passed to AIAgent() isn't silently rewritten to 'chat_completions'.

2. Line ~12048 (run_conversation, just before the while loop):
   Early-return to _run_codex_app_server_turn() when self.api_mode is
   'codex_app_server'. Placed AFTER all standard pre-loop setup —
   logging context, session DB, surrogate sanitization, _user_turn_count
   and _turns_since_memory increments, _ext_prefetch_cache, memory
   manager on_turn_start — so behavior outside the model-call loop is
   identical between paths. Default Hermes flow is unchanged when the
   flag is off.

3. End-of-class (line ~15497):
   New method _run_codex_app_server_turn(). Lazy-instantiates one
   CodexAppServerSession per AIAgent (reused across turns), runs the
   turn, splices projected_messages into messages, increments
   _iters_since_skill by tool_iterations (since the chat_completions
   loop normally does that per iteration), fires
   _spawn_background_review on the same cadence as the default path.

Counter accounting:

  _turns_since_memory  ← already incremented at run_conversation:11817
                         (gated on memory store configured) — codex
                         helper does NOT touch it (would double-count).
  _user_turn_count     ← already incremented at run_conversation:11793
                         — codex helper does NOT touch it.
  _iters_since_skill   ← incremented in the chat_completions loop per
                         tool iteration. Codex helper increments by
                         turn.tool_iterations since the loop is bypassed.

User message:

  ALREADY appended to messages by run_conversation pre-loop (line 11823)
  before the early-return reaches us. Helper does NOT append again.
  Regression test test_user_message_not_duplicated guards this.

Approval callback wiring:

  Lazy-fetches tools.terminal_tool._get_approval_callback at session
  spawn time, passes to CodexAppServerSession. CLI threads with
  prompt_toolkit get interactive approvals; gateway/cron contexts get
  the codex-side fail-closed deny.

Error path:

  Codex session exceptions become a 'partial' result with completed=False
  and a final_response that explicitly tells the user how to switch back:
  'Codex app-server turn failed: ... Fall back to default runtime with
  /codex-runtime auto.' Same return-dict shape as the chat_completions
  path so all callers (gateway, CLI, batch_runner, ACP) work unchanged.

9 new integration tests in tests/run_agent/test_codex_app_server_integration.py:
  - api_mode='codex_app_server' is accepted on AIAgent construction
  - run_conversation returns the expected codex shape
    (final_response, codex_thread_id, codex_turn_id, completed, partial)
  - Projected messages are spliced into messages list
  - _iters_since_skill ticks per tool iteration
  - _user_turn_count delegated to standard flow (not double-counted)
  - User message appears exactly once (regression guard)
  - _spawn_background_review IS invoked (memory/skill review keeps working)
  - chat.completions.create is NEVER called (loop fully bypassed)
  - Session exception → partial result with /codex-runtime auto hint
  - Interrupted turn → partial result with error preserved

Adjacent test runs confirm no regressions:
  - tests/run_agent/test_memory_nudge_counter_hydration.py: green
  - tests/run_agent/test_background_review.py: green
  - tests/run_agent/test_fallback_model.py: green
  - tests/agent/transports/: 249/249 green

Still missing for full feature: /codex-runtime slash command, plugin
migration helper, docs page, live e2e test gated on codex binary. Those
are the remaining followup commits.
2026-05-12 10:26:26 -07:00
..