fix: sanitize runtime settings when changing providers by Fernando-Z · Pull Request #546 · compozy/compozy

Fernando-Z · 2026-09-03T04:06:45Z

What & why

When updating an agent definition via the CLI (compozy agent update), changing the agent's provider without explicitly supplying new model, command, reasoning, or ACP option flags previously retained the old provider's settings. For instance, updating an agent from a provider with reasoning_effort = high to a provider whose reasoning strategy is none resulted in the stale reasoning setting silently persisting into the agent record. Subsequent session creation would then deterministically fail with runtime errors.

This change ensures that a provider change cleanly sanitizes incompatible provider-specific settings while preserving any explicitly supplied flags:

In applyAgentDefinitionOverrides (internal/cli/agent_mutate_requests.go), when the provider flag changes to a different provider:
- Resets Model, Command, ReasoningEffort, and ACPOptions unless the user explicitly specified corresponding override flags on the command line.
In validateResolvedAgentRuntime (internal/config/provider_resolve.go), validates that providers configured with ReasoningApplyNone reject configured reasoning_effort, preventing silent runtime misconfigurations.
In ProviderReasoningConfig (internal/config/provider_reasoning.go), exports EffectiveReasoningApply() to canonicalize reasoning strategy determination across configuration and discovery layers.

How you verified it

Unit regression in internal/cli/agent_commands_test.go:
- Added Should clear provider-specific settings when provider changes without explicit override flags verifying Model, ReasoningEffort, and ACPOptions are cleared upon provider change when no explicit flags are passed.
Unit regression in internal/config/provider_test.go:
- Added Should reject reasoning effort when the provider does not support reasoning ensuring ResolveAgent errors if reasoning effort is specified for a provider with Apply: ReasoningApplyNone.
Ran make gate:
- go-lint: PASSED (0 issues)
- go-test: PASSED (internal/cli/..., internal/config/... with -race)

Impact

Runtime behavior: Changing an agent's provider via the CLI safely clears stale model, command, reasoning effort, and ACP option selections unless explicitly supplied with new values. Incompatible reasoning settings are rejected early during agent resolution.
Checked surfaces: internal/cli/agent_mutate_requests.go, internal/cli/agent_commands_test.go, internal/config/provider_reasoning.go, internal/config/provider_resolve.go, internal/config/provider_test.go.
Documentation: No CLI command syntax changed; standard override flags continue to work as expected.

Compozy Impact Audit:

Native tools: No impact. Checked internal/tools; native tool descriptors and schemas are unchanged.
Extensibility and hooks: No impact. Checked extensions and hooks; provider mutation sanitization operates within the CLI mutation pipeline and config validation.
Workspace data isolation: No impact. Checked workspace configuration persistence; sanitization only applies to the targeted agent definition within the workspace.
Official Compozy skill: No impact. Checked skills/compozy/; built-in skills and public skill contracts are unaffected.

AI assistance

Root-cause analysis, failure reconstruction, remediation design, and
regression-test strategy were developed with OpenAI ChatGPT
(GPT-5.6 Sol).
Implementation, repository integration, and test execution were
assisted by Google Antigravity / Gemini 3.7 Flash.
Fernando-Z reviewed the changes, reproduced the relevant failures,
and verified the resulting behavior and test evidence.

make gate passes locally; this PR is delivered only after its required CI checks are green
New or changed behavior is covered by tests, or I explained above why not
If an agent wrote or co-wrote this, I named it above and verified the result myself

Summary by CodeRabbit

Bug Fixes
- Changing an agent’s provider now clears incompatible model, command, reasoning, and ACP settings unless they are explicitly overridden.
- Switching between equivalent provider names or changing provider-name casing no longer resets agent runtime settings.
- Agent configuration validation now reports an error when reasoning effort is specified for providers that do not support it.
- Reasoning support settings are resolved more consistently when provider configuration omits an explicit policy.

vercel · 2026-09-03T04:06:52Z

@Fernando-Z is attempting to deploy a commit to the Compozy Team on Vercel.

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coderabbitai · 2026-09-03T04:06:53Z

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internal/cli/agent_commands_test.go
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Walkthrough

The CLI now sanitizes provider-specific settings when an agent provider changes. Equivalent provider aliases and casing do not trigger sanitization. Runtime resolution centralizes reasoning defaults and rejects unsupported reasoning effort values. Tests cover these behaviors.

Changes

Provider settings handling

Layer / File(s)	Summary
Reasoning support validation `internal/config/provider_reasoning.go`, `internal/config/provider_resolve.go`, `internal/config/provider_test.go`	Reasoning support defaults are centralized. Agent resolution rejects reasoning effort when the effective strategy is `ReasoningApplyNone`, including when the setting is omitted.
Provider change sanitization `internal/cli/agent_mutate_requests.go`, `internal/cli/agent_commands_test.go`	Agent updates clear model, command, reasoning effort, and ACP options when the provider changes without explicit override flags. Equivalent aliases and provider casing preserve existing settings. Tests verify both behaviors.

Estimated code review effort: 3 (Moderate) | ~20 minutes

Merge Risk: ⚪ Minimal · up to 2f1bf

Provider changes now remove stale provider-specific settings while preserving equivalent-provider configurations, and unsupported reasoning settings are rejected. The covered behavior is ready to merge.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 9 functions across 6 files.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: sanitizing stale runtime settings when an agent provider changes.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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Fernando-Z · 2026-09-03T04:08:59Z

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Inline comments:
In `@internal/config/provider_resolve.go`:
- Around line 197-199: Update the validation condition in the provider
resolution logic to use resolved.Reasoning.EffectiveReasoningApply() instead of
the raw Apply field, so omitted Apply values are treated as ReasoningApplyNone
when reasoning effort is set. Add test coverage for a provider configuration
with Apply omitted and a non-empty ReasoningEffort.

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internal/cli/agent_commands_test.go
internal/cli/agent_mutate_requests.go
internal/config/provider_reasoning.go
internal/config/provider_resolve.go
internal/config/provider_test.go

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Fernando-Z · 2026-09-03T06:30:17Z

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Fernando-Z · 2026-09-03T12:29:37Z

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Fernando-Z · 2026-09-03T12:40:31Z

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Inline comments:
In `@internal/cli/agent_commands_test.go`:
- Around line 538-545: Extend the UpdateAgent test around request.Agent to set a
provider-specific Command in the current fixture, then assert that
request.Agent.Command is empty in the generated update request. Keep the
existing model, reasoning-effort, and ACPOptions assertions unchanged.

In `@internal/config/provider_test.go`:
- Line 1312: Update the error checks in the affected tests around the existing
conditionals to use the project’s specific error assertion helper, ErrorContains
or ErrorAs, instead of manually checking err.Error() with strings.Contains.
Apply the same change to both reported locations while preserving the expected
“does not support reasoning effort” message.

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Fernando-Z · 2026-09-03T12:53:19Z

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greptile-apps · 2026-09-04T15:07:40Z

Greptile Summary

This PR prevents provider-specific runtime settings from leaking across agent provider changes and rejects unsupported reasoning settings earlier.

Canonical provider identities determine whether model, command, reasoning effort, and ACP options are preserved or cleared.
Agent resolution rejects reasoning effort for configured model providers that cannot apply it.
Regression tests cover real provider changes, built-in aliases, case variants, and unsupported reasoning.
CLI behavior is documented in the site and official Compozy skill reference.
Targeted QA records the provider-switch scenarios and results.

Confidence Score: 4/5

The code changes appear sound, but the repository’s required local make gate remains unsatisfied and must be completed before merging.

The earlier equivalent-provider issue is fixed by canonical identity comparison and regression tests, and its thread was manually resolved without explanation. The remaining review finding is the existing repository-rule violation: the current QA report explicitly says no local make gate was run, while the repository requires it before commit or push.

Files Needing Attention: docs/qa/reports/2026-09-04-provider-switch-settings.md

Important Files Changed

Filename	Overview
internal/cli/agent_mutate_requests.go	Canonical provider comparison now clears omitted provider-owned settings only for a real provider change.
internal/cli/agent_commands_test.go	Regression coverage verifies clearing on real changes and preservation across built-in aliases and case variants.
internal/config/provider_reasoning.go	Exposes the effective reasoning strategy directly on provider reasoning configuration.
internal/config/provider_resolve.go	Adds early rejection of reasoning effort for configured model providers that cannot apply it.
internal/config/provider_test.go	Covers explicit and omitted unsupported reasoning strategies during agent resolution.
docs/qa/reports/2026-09-04-provider-switch-settings.md	Records successful targeted QA but confirms that the required local make gate was not run.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
  A[Agent update with provider flag] --> B[Canonicalize old and requested providers]
  B --> C{Same provider identity?}
  C -->|Yes| D[Preserve omitted runtime settings]
  C -->|No| E[Clear omitted model, command, reasoning, and ACP settings]
  D --> F[Resolve effective provider runtime]
  E --> F
  F --> G{Reasoning effort supported?}
  G -->|Yes| H[Return resolved agent]
  G -->|No| I[Reject invalid configuration]

_{Reviews (4): Last reviewed commit: "Merge branch 'main' into fix/provider-sw..." | Re-trigger Greptile}

greptile-apps · 2026-09-04T15:39:57Z

+## Learnings
+
+- Provider identity and authored provider spelling are separate contracts: canonical identity governs sanitization, while structured output preserves what the caller requested.
+


Required Local Gate Missing

The QA report says no local make gate was run even though this PR changes Go runtime code. The repository requires make gate to pass locally before commit or push, so this requirement must be satisfied before merging.

Context Used: CLAUDE.md (source)

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fix: sanitize runtime settings when changing providers

968817b

coderabbitai Bot requested changes Sep 3, 2026

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Comment thread internal/config/provider_resolve.go Outdated

fix: validate effective reasoning strategy

0b74061

coderabbitai Bot previously approved these changes Sep 3, 2026

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test: remove unrelated root permission skip

dcc231f

Fernando-Z dismissed coderabbitai[bot]’s stale review via dcc231f September 3, 2026 12:29

coderabbitai Bot requested changes Sep 3, 2026

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Comment thread internal/cli/agent_commands_test.go

Comment thread internal/config/provider_test.go Outdated

test: assert cleared command and use error helper

897e377

coderabbitai Bot previously approved these changes Sep 3, 2026

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Fernando-Z mentioned this pull request Sep 3, 2026

fix: preserve ACP options in loop-managed session profiles #542

Merged

3 tasks done

pedronauck marked this pull request as ready for review September 4, 2026 15:05

pedronauck self-requested a review as a code owner September 4, 2026 15:05

greptile-apps Bot reviewed Sep 4, 2026

View reviewed changes

Comment thread internal/cli/agent_mutate_requests.go Outdated

fix: preserve settings for equivalent providers

2f1bf02

pedronauck dismissed coderabbitai[bot]’s stale review via 2f1bf02 September 4, 2026 15:37

greptile-apps Bot reviewed Sep 4, 2026

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coderabbitai Bot previously approved these changes Sep 4, 2026

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fix: preserve provider-managed reasoning selection

01e82e5

pedronauck dismissed coderabbitai[bot]’s stale review via 01e82e5 September 4, 2026 15:54

Merge branch 'main' into fix/provider-switch-runtime-settings

2550cc3

pedronauck merged commit e8a30b2 into compozy:main Sep 4, 2026
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Open

		## Learnings

		- Provider identity and authored provider spelling are separate contracts: canonical identity governs sanitization, while structured output preserves what the caller requested.

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Greptile Summary

Confidence Score: 4/5

Important Files Changed

Flowchart

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