fix(loops): clamp stored reasoning efforts at fire time - #73424
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Reviews (1): Last reviewed commit: "clamp loop reasoning effort at fire time" | Re-trigger Greptile |
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Small, well-tested defensive fix to loop-fire model/effort resolution by the owning-team author with strong familiarity (100% of touched lines, 4/4 files); no risky-territory concerns (auth/billing/migrations/public API/CI) and no outstanding review issues.
- Author wrote 100% of the modified lines and has 10 merged PRs in these paths (familiarity STRONG).
- 👍 on the PR from greptile-apps[bot], hex-security-app[bot].
Gate mechanics and policy version
| Gate | Result | |
|---|---|---|
| prerequisites | ✓ | all clear |
| deny-list | ✓ | no deny categories matched |
| size | ✓ | 21L, 2F substantive, 77L/4F incl. docs/generated/snapshots — within ceiling |
| tier | ✓ | T1-agent / T1b-small (77L, 4F, single-area, fix) |
| stamphog 2.0.0b3 | .stamphog/policy.yml @ 8fa03f8 · reviewed head 9b00588 |
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Contained defensive fix clamping a stored reasoning effort at fire time, well covered by new parameterized tests, author is on the owning team with strong recent familiarity, and Greptile's review shows no concerns.
- Author wrote 100% of the modified lines and has 10 merged PRs in these paths (familiarity STRONG).
- 👍 on the PR from greptile-apps[bot], hex-security-app[bot].
Gate mechanics and policy version
| Gate | Result | |
|---|---|---|
| prerequisites | ✓ | all clear |
| deny-list | ✓ | no deny categories matched |
| size | ✓ | 21L, 2F substantive, 78L/4F incl. docs/generated/snapshots — within ceiling |
| tier | ✓ | T1-agent / T1b-small (78L, 4F, single-area, fix) |
| stamphog 2.0.0b3 | .stamphog/policy.yml @ 6f146ab · reviewed head cc36547 |
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Problem
A loop with no pinned model resolves its model per fire from
DEFAULT_MODEL_BY_RUNTIME_ADAPTER, but the storedreasoning_effortwas passed through untouched. If a future default change shrinks the supported effort set (e.g. a model that only takes high/max), existing unpinned loops would launch runs with an effort the runtime rejects. The serializer's model and effort validation also had no test coverage, including the exact 400 PostHog Code's loops picker was triggering with catalog ids likeopenai/gpt-5.6-sol.This pairs with PostHog/code#3782, which fixes the loops model picker to only offer ids this API accepts. Defaults are unchanged: claude stays on
claude-sonnet-5, codex ongpt-5.Changes
fire_loopnow clamps a stored reasoning effort to the effective model's supported set (viaget_supported_reasoning_efforts), falling back to auto instead of launching a doomed run.DEFAULT_MODEL_BY_RUNTIME_ADAPTERnoting the posthog-code loops UI mirrors it.How did you test this code?
Automated only, no manual testing. New parameterized tests: fire-time model/effort resolution in
test_loop_runs.py(6 cases, catches an unpinned loop firing an unsupported effort, previously untested) and create-time model/effort validation intest_loops_api.py(5 cases, catches out-of-catalog model ids and effort/model mismatches, previously untested). Rantest_loop_runs.py,test_loops_api.pyandprocess_task/tests/test_utils.py(242 passed), plus ruff check, ruff format and ty on the changed files.Automatic notifications
Docs update
N/A
🤖 Agent context
Autonomy: Human-driven (agent-assisted)
Written by Claude (Claude Code) while resolving loops model-picker feedback with Charles directing. An earlier revision made GLM-5.2 the claude loop default; Charles decided to keep the existing defaults, so this PR kept only the defensive clamp and the test coverage. The pre-commit hook hung on flox activation, so the commit used
--no-verifyafter running the hook's checks (ruff lint, ruff format, ty) manually on the changed files, all clean.