fix(workflows): auto-detect project integration instead of hardcoding copilot default by markuswondrak · Pull Request #2408 · github/spec-kit

markuswondrak · 2026-04-29T13:30:32Z

Description

The built-in speckit workflow used "copilot" as the default integration input. In projects initialized with a different integration such as opencode, workflows could dispatch to the wrong agent and fail with "No such agent: speckit.specify" when the copilot CLI happened to be installed locally.

Changes

workflows/speckit/workflow.yml
- Changed the integration input default from "copilot" to "auto"
- Updated the prompt examples to include opencode and the explicit auto option
- Removed the stale static requires.integrations.any allowlist
src/specify_cli/workflows/engine.py
- Added _resolve_default() and _load_project_integration() to read .specify/integration.json
- Preserved the "copilot" fallback for missing, unreadable, invalid, or empty config
- Added post-processing in _resolve_inputs() so both defaulted and explicit --input integration=auto values resolve through the same path
tests/test_workflows.py
- Added 7 regression tests covering default auto-detection, explicit integration=auto, explicit override precedence, missing file fallback, invalid JSON fallback, OSError fallback, and whitespace-only values

How it works

The workflow YAML now defaults integration to "auto"
When the resolved integration value is "auto", the engine reads .specify/integration.json and uses the stored integration key
If the file is missing, unreadable, invalid, or does not contain a usable integration value, the engine falls back to "copilot" for backwards compatibility

Testing

uvx ruff check src/ tests/test_workflows.py
uv run pytest tests/test_workflows.py
uv run pytest tests/test_workflows.py -k TestIntegrationAutoDetect -v

AI Disclosure

I did use AI assistance (describe below)

This PR was authored with GitHub Copilot CLI assistance. All changes were reviewed and verified by the contributor.

… copilot (github#2406) The workflow engine hardcoded 'copilot' as the default integration input, ignoring the project's configured integration in .specify/integration.json. This caused workflows to fail when a project was initialized with a different integration (e.g. opencode) but the copilot CLI happened to be installed. Changes: - Change workflow.yml integration default from 'copilot' to 'auto' - Add _resolve_integration_auto() to WorkflowEngine that reads .specify/integration.json and falls back to 'copilot' if absent - Post-process resolved inputs to replace 'auto' with detected value - Add 4 regression tests for auto-detection scenarios Fixes github#2406 Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Copilot

Pull request overview

Updates the built-in speckit workflow and workflow engine to avoid hardcoding "copilot" as the default integration by introducing an "auto" integration mode that resolves from project configuration.

Changes:

Set workflows/speckit/workflow.yml integration input default to "auto" and updated the prompt to document it.
Added WorkflowEngine._resolve_integration_auto() and post-processing in _resolve_inputs() to read .specify/integration.json, with fallback to "copilot".
Added regression tests for auto-detection, fallback behavior, explicit override precedence, and empty JSON handling; added an Unreleased changelog entry.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 2 comments.

File	Description
workflows/speckit/workflow.yml	Switches workflow input default integration from `"copilot"` to `"auto"` so runs honor project configuration.
src/specify_cli/workflows/engine.py	Implements `"auto"` integration resolution by reading `.specify/integration.json` with a backward-compatible fallback.
tests/test_workflows.py	Adds regression tests to ensure `"auto"` resolves correctly and preserves override behavior.
CHANGELOG.md	Notes the fix in the Unreleased section.

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mnriem

Thank you for looking into this. Please address Copilot feedback. If not applicable, please explain why

…thub#2408) Made-with: Cursor

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…uto-detect

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Files reviewed: 4/4 changed files
Comments generated: 4

mnriem

Please address Copilot feedback

- Add tests for JSONDecodeError and OSError fallback paths in _resolve_integration_auto() - Centralize INTEGRATION_JSON constant in workflows/constants.py (zero-dependency module) - Change changelog reference to (Fixes github#2406) for auto-close semantics - Remove static requires.integrations.any from speckit workflow (incomplete with 'auto') - Add opencode to integration prompt examples

markuswondrak · 2026-04-29T16:46:36Z

Thanks for the thorough review! I've addressed all four findings:

Missing test coverage — Added two new tests for JSONDecodeError and OSError fallback paths in _resolve_integration_auto().
Duplicated constant — Centralized INTEGRATION_JSON into src/specify_cli/workflows/constants.py (zero-dependency module) and imported from both engine.py and __init__.py.
Changelog reference — Changed (#2406) to (Fixes #2406) for auto-close semantics.
Workflow metadata — Removed requires.integrations.any from workflow.yml. Since "auto" resolves the integration dynamically from the project's integration.json, a static allowlist is inherently incomplete — every new integration added to the registry would require updating this workflow file, creating clutter and a maintenance burden. The requires field is also not enforced at runtime currently (engine.py line 50-52: "declared but not yet enforced at runtime; enforcement is a planned enhancement"). If/when enforcement is added, it should validate against the runtime INTEGRATION_REGISTRY rather than a hardcoded list.

Is removing the integrations key entirely acceptable, or would you prefer to keep it as documentation with the full list of all 26 integrations?

mnriem

Please resolve conflicts

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Files reviewed: 5/6 changed files
Comments generated: 3

mnriem · 2026-04-29T22:22:05Z

Please revert changes to CHANGELOG.md as it is now auto-generated (still need to update docs to no longer require it) and resolve the other conflict

- CHANGELOG.md: take released [0.8.3] block from origin, discard auto-generated [Unreleased] section that shouldn't have been committed - __init__.py: add devin_skill_mode from origin, preserve multi-line native_skill_mode format from HEAD Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

- engine.py: strip whitespace from integration value in _resolve_integration_auto(); whitespace-only strings like ' ' now fall back to 'copilot' instead of being returned as-is - __init__.py: define INTEGRATION_JSON locally instead of importing from workflows.constants; avoids executing the workflows package __init__ (which registers all step types) during CLI startup for commands that don't use workflows - tests: add test for whitespace-only integration value fallback Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

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Move INTEGRATION_JSON from specify_cli.workflows.constants to specify_cli.constants to avoid importing the workflows package when the main CLI module loads. Update imports in __init__.py and workflows/engine.py accordingly, and remove the now-empty workflows/constants.py. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

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Remove hardcoded string. Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

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… config - Add _INTEGRATION_JSON local constant in engine.py - Replace post-processing _resolve_integration_auto() with inline _resolve_default() + _load_project_integration() methods - Revert all Black style-only changes to engine.py, __init__.py - Delete unnecessary constants.py - Add TestIntegrationAutoDetect with 6 tests (no changes to existing tests) - Update workflow.yml: default 'auto', remove static integrations.any list Agent-Logs-Url: https://github.com/markuswondrak/spec-kit/sessions/4cb75741-9272-4a13-a90b-cc6cad486967 Co-authored-by: markuswondrak <245696895+markuswondrak@users.noreply.github.com>

…ion-auto-detect fix(workflows): minimal-invasive auto-detect integration from project config

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Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

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fix(workflows): tolerate non-UTF8 integration.json in auto-detect (gi…

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fix(workflows): minimal-invasive auto-detect integration from project config markuswondrak/spec-kit#1

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…ion-auto-detect fix(workflows): minimal-invasive auto-detect integration from project config

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markuswondrak commented Apr 29, 2026 •

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