Add Tiny Tool Town submission canvas#2240
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aaronpowell merged 5 commits intoJul 8, 2026
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Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
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Pull request overview
Adds a new Copilot Canvas extension (“Tiny Tool Town Submitter”) under extensions/ to analyze the active Git repository, prefill Tiny Tool Town submission fields, present readiness recommendations, preview page themes, and create the public submission issue only after explicit confirmation.
Changes:
- Introduces the Tiny Tool Town Submitter extension runtime (
extension.mjs) plus repository analyzer and HTML renderer modules. - Adds extension metadata (
.github/plugin/plugin.json), documentation (README.md), and preview asset wiring. - Registers the extension in the generated marketplace index (
.github/plugin/marketplace.json).
Show a summary per file
| File | Description |
|---|---|
| extensions/tiny-tool-town-submitter/README.md | Documents the new submission canvas and its actions/dependencies. |
| extensions/tiny-tool-town-submitter/lib/renderer.mjs | Provides the in-canvas HTML/CSS/JS UI for editing and submitting a listing. |
| extensions/tiny-tool-town-submitter/lib/analyzer.mjs | Implements repo inspection, metadata inference, recommendations, and issue body generation. |
| extensions/tiny-tool-town-submitter/extension.mjs | Hosts the local canvas server, persistence, actions, and GH CLI-backed issue submission/duplicate detection. |
| extensions/tiny-tool-town-submitter/.github/plugin/plugin.json | Declares extension metadata for plugin validation/marketplace ingestion. |
| .github/plugin/marketplace.json | Adds the new extension entry to the marketplace catalog output. |
Review details
- Files reviewed: 6/7 changed files
- Comments generated: 2
- Review effort level: Low
Resolve picker opens from the active session working directory so linked worktrees work without an explicit repository path. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
Detect root .csproj files as build signals and hide canvas access tokens from the visible URL after first load. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
Handle root-relative README images, preserve drafts during refresh, and suppress GitHub mentions before public issue creation. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
Close all canvas servers during shutdown, use nonce-based CSP, make theme optional, and hide decorative preview dots from assistive tech. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
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| const coordinates = githubCoordinates(metadata?.githubUrl); | ||
| if (!coordinates || metadata.githubUrl !== `https://github.com/${coordinates.owner}/${coordinates.repo}`) { | ||
| errors.push("GitHub repository URL must be a canonical https://github.com/owner/repository URL."); | ||
| } else if (facts?.repoSlug && `${coordinates.owner}/${coordinates.repo}`.toLowerCase() !== facts.repoSlug.toLowerCase()) { | ||
| errors.push(`GitHub repository URL must match the inspected repository (${facts.repoSlug}).`); | ||
| } |
aaronpowell
approved these changes
Jul 8, 2026
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Summary
Validation
npm run plugin:validatenpm run skill:validatenpm run buildbash eng/fix-line-endings.sh