[sairon]

Keep only the app index metadata in piper/.

Refs #4887

Summary by CodeRabbit

• Chores
  • The app catalog now lists Piper and points to its external repository and container image.
  • The previous Piper build and runtime setup has been removed from this repository, including its voice-pack installation and Home Assistant discovery configuration.

[coderabbitai]

No actionable comments were generated in the recent review.

Walkthrough

The app registry now maps Piper to its repository, target, and image. The local Piper image build definition and s6 runtime files are removed. Yamllint now ignores /piper/config.yaml.

Changes: Piper app registration and implementation removal

Layer / File(s)	Summary
Register Piper .apps.yml, .yamllint	Adds the Piper repository, target, and image mapping. Adds /piper/config.yaml to the yamllint ignore list.
Remove the local image build definition piper/Dockerfile, piper/build.yaml	Removes the Dockerfile and build configuration for the Debian Trixie images.
Remove Piper runtime services piper/rootfs/etc/s6-overlay/s6-rc.d/*	Removes Piper service startup and exit handling, pack installation, and Home Assistant discovery scripts and declarations.

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

Change: Refactor

Suggested reviewers: synesthesiam

Merge Risk: Minimal · up to 76afa

This change moves Piper's source to a separate repository and keeps only the app index metadata. No concrete merge-blocking issue was found. The first release from the new repository should be confirmed after merge.

Pre-merge checks: 5

Check name	Status	Explanation
Description Check		Check skipped - CodeRabbit’s high-level summary is enabled.
Title check		The title clearly describes the main change: moving the Piper source to the separate home-assistant/app-piper repository while retaining app metadata.
Docstring Coverage		No eligible functions found in the changed files. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentat…
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

No eligible functions found in the changed files. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentation-only edits and deletions within surviving functions are included; unchanged diff context and fully deleted functions are excluded. Analyzed 0 functions across 0 files. (2 skipped: 2 unsupported.)

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Recent review info

Run configuration

• Source mode: Auto
• Repository: Unavailable
• Branch: Unavailable
• File: No configuration file from this repository applied
• Commit: Unavailable
• Layers: Organization UI
• Review profile: CHILL
• Plan: Advanced
• Run ID: ca456376-eaf2-43e9-b37b-6ef5633fb867

Commits

Reviewing files that changed from the base of the PR and between c23035a and 76afa7d.

Files selected for processing: 20

• .apps.yml
• .yamllint
• piper/Dockerfile
• piper/build.yaml
• piper/rootfs/etc/s6-overlay/s6-rc.d/discovery/dependencies.d/piper
• piper/rootfs/etc/s6-overlay/s6-rc.d/discovery/run
• piper/rootfs/etc/s6-overlay/s6-rc.d/discovery/type
• piper/rootfs/etc/s6-overlay/s6-rc.d/discovery/up
• piper/rootfs/etc/s6-overlay/s6-rc.d/packs/dependencies.d/base
• piper/rootfs/etc/s6-overlay/s6-rc.d/packs/run
• piper/rootfs/etc/s6-overlay/s6-rc.d/packs/type
• piper/rootfs/etc/s6-overlay/s6-rc.d/packs/up
• piper/rootfs/etc/s6-overlay/s6-rc.d/piper/dependencies.d/base
• piper/rootfs/etc/s6-overlay/s6-rc.d/piper/dependencies.d/packs
• piper/rootfs/etc/s6-overlay/s6-rc.d/piper/finish
• piper/rootfs/etc/s6-overlay/s6-rc.d/piper/run
• piper/rootfs/etc/s6-overlay/s6-rc.d/piper/type
• piper/rootfs/etc/s6-overlay/s6-rc.d/user/contents.d/discovery
• piper/rootfs/etc/s6-overlay/s6-rc.d/user/contents.d/packs
• piper/rootfs/etc/s6-overlay/s6-rc.d/user/contents.d/piper

Files with no reviewable changes: 18

• piper/rootfs/etc/s6-overlay/s6-rc.d/piper/type
• piper/rootfs/etc/s6-overlay/s6-rc.d/discovery/run
• piper/build.yaml
• piper/rootfs/etc/s6-overlay/s6-rc.d/packs/up
• piper/rootfs/etc/s6-overlay/s6-rc.d/piper/dependencies.d/packs
• piper/rootfs/etc/s6-overlay/s6-rc.d/packs/dependencies.d/base
• piper/rootfs/etc/s6-overlay/s6-rc.d/piper/run
• piper/rootfs/etc/s6-overlay/s6-rc.d/discovery/dependencies.d/piper
• piper/Dockerfile
• piper/rootfs/etc/s6-overlay/s6-rc.d/discovery/type
• piper/rootfs/etc/s6-overlay/s6-rc.d/packs/run
• piper/rootfs/etc/s6-overlay/s6-rc.d/packs/type
• piper/rootfs/etc/s6-overlay/s6-rc.d/discovery/up
• piper/rootfs/etc/s6-overlay/s6-rc.d/user/contents.d/piper
• piper/rootfs/etc/s6-overlay/s6-rc.d/piper/dependencies.d/base
• piper/rootfs/etc/s6-overlay/s6-rc.d/user/contents.d/packs
• piper/rootfs/etc/s6-overlay/s6-rc.d/piper/finish
• piper/rootfs/etc/s6-overlay/s6-rc.d/user/contents.d/discovery

Files skipped from review as they are similar to previous changes: 1

• .yamllint

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