fix: take each skill's id from the package the image installs

[goldyfruit]

Summary

Follow-up to #205. The publish after #205 kept stable's weather image back, and the new smoke check was right to:

skill-weather smoke: skill ovos-skill-weather.openvoiceos: no installed package registers it; registered: skill-ovos-weather.openvoiceos

A skill's id can change between its releases, and so between channels: stable's weather registers skill-ovos-weather.openvoiceos, while alpha's and testing's register ovos-skill-weather.openvoiceos. One id written in the Dockerfile cannot fit both. The stable weather image published this morning, before #205, asks for the alpha id and has been crash-looping.

No Dockerfile writes an id now:

• skill-base ships ovos-skill-id. At build time, ovos-skill-id --save saves the one skill id the image's packages register in the virtualenv. The build fails unless there is exactly one.
• The launcher (CMD exec ovos-skill-launcher "$(ovos-skill-id)") and the health check read it back with cat, without starting Python. Resolving it from the package metadata costs about 0.18 s on a desktop, and the health check runs every minute.
• The smoke test checks the saved id against what the packages register.

A skill image built on an older skill-base has no ovos-skill-id and fails its build rather than ship. Changing skill-base rebuilds every skill image in the same run.

Test plan

• In the published ovos-skill-weather:stable and :alpha images, with the helper and the new smoke test mounted in:
  • --save saves skill-ovos-weather.openvoiceos and ovos-skill-weather.openvoiceos respectively;
  • the smoke test passes in both;
  • the launcher started the way the new CMD starts it takes that id and waits for a bus.
• In ovos-skill-base:alpha, which registers no skill, --save fails with "an image runs one skill, and its packages register 0: none".
• sh -n, bash -n and ShellCheck on both scripts.
• This PR's dry-run build of skill-base and the 21 skill images, on amd64 and arm64. As with fix: launch six skills by the ids their packages register #205, the smoke test itself runs only at publish.

🤖 Generated with Claude Code

Summary by CodeRabbit

• Improvements
  • Skill containers now determine their IDs from the installed package, helping avoid mismatches between package registration and container health checks or startup.
  • Smoke checks can run using the saved skill ID without requiring a separately configured ID environment variable.

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⚙️ Run configuration

• Configuration used: defaults
• Review profile: CHILL
• Plan: Advanced
• Run ID: 529f4f40-2264-49b7-8546-ec515e0bf10e

📥 Commits

Reviewing files that changed from the base of the PR and between 90fa620 and e1a8216.

📒 Files selected for processing (2)

• .github/workflows/build-images.yml
• scripts/ci/smoke.sh

📝 Walkthrough

Walkthrough

Skill Docker images now save the ID registered by their installed package and use it for health checks and launchers. The shared base image provides the ID command, and the CI smoke check derives the ID from that command.

Changes

Registered skill ID flow

Layer / File(s)	Summary
Skill ID command skills/skill-base/files/skill-id.sh, skills/skill-base/Dockerfile	The base image installs ovos-skill-id. The script saves and prints the registered ID when called with --save, and prints the saved ID otherwise.
Build-time ID registration skills/skill-*/Dockerfile	Skill images save the ID registered by the installed package during the build instead of setting a fixed SKILL_ID.
Runtime ID use and smoke check skills/skill-*/Dockerfile, scripts/ci/smoke.sh	Health checks and launchers obtain the ID by running ovos-skill-id. The smoke check runs when the command and its executable file are available, then uses the derived ID in its validations.

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

Change: Bug fix

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 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 summarizes the main change: each skill image now derives its skill ID from the installed package instead of using a hard-coded ID.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 2…
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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Actionable comments posted: 1

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• 🪄 Fix CodeRabbit comments on this PR

🤖 Prompt to fix review comments

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Inline comments:
Review comments at @scripts/ci/smoke.sh:
- Line 24: Update the smoke-check flow so skill targets other than skill-base
fail when ovos-skill-id or its saved ID file is missing. Pass skill-target
context from the image build invocation using SMOKE_SKILL, validate both
artifacts when enabled, and preserve the optional checks for non-skill targets
and skill-base.

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ℹ️ Review info

⚙️ Run configuration

• Configuration used: defaults
• Review profile: CHILL
• Plan: Advanced
• Run ID: 751c8ab0-ae5c-4b79-82db-e8b51b79a143

📥 Commits

Reviewing files that changed from the base of the PR and between 14c03fc and 90fa620.

📒 Files selected for processing (24)

• scripts/ci/smoke.sh
• skills/skill-alerts/Dockerfile
• skills/skill-base/Dockerfile
• skills/skill-base/files/skill-id.sh
• skills/skill-camera/Dockerfile
• skills/skill-date-time/Dockerfile
• skills/skill-duckduckgo/Dockerfile
• skills/skill-easter-eggs/Dockerfile
• skills/skill-fallback-unknown/Dockerfile
• skills/skill-ggwave/Dockerfile
• skills/skill-hello-world/Dockerfile
• skills/skill-homeassistant/Dockerfile
• skills/skill-homescreen/Dockerfile
• skills/skill-jokes/Dockerfile
• skills/skill-parrot/Dockerfile
• skills/skill-personal/Dockerfile
• skills/skill-randomness/Dockerfile
• skills/skill-tunein/Dockerfile
• skills/skill-volume/Dockerfile
• skills/skill-weather/Dockerfile
• skills/skill-wikihow/Dockerfile
• skills/skill-wikipedia/Dockerfile
• skills/skill-wolfie/Dockerfile
• skills/skill-wordnet/Dockerfile

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