Add Aspireify canvas

[Ella Hathaway (ellahathaway)]

Summary

Adds an Aspireify canvas extension for reviewing and confirming the proposed AppHost resource plan before files change.

Details

• Keeps scanning, proposal generation, AppHost edits, and validation owned by the Aspireify skill.
• Presents resources as grouped, collapsible cards for applications, data and messaging, infrastructure, and external dependencies.
• Shows incoming and outgoing connections
• Supports contextual resource creation, resource editing, Service Defaults selection, and connection management.
• Preserves user-added resources and connections when proposals are regenerated.
• Adds extension hooks that guide agents to use the canvas at Aspireify Step 3, populate it after opening, wait for confirmation, and handle canvas callbacks.
• Falls back to proposal confirmation in chat when the canvas host is unavailable.

Validation

• Checked extension and UI JavaScript syntax.
• Rebuilt the extension release bundle and verified packaged files match source.
• Exercised section/card collapsing, contextual resource creation, connection editing, narrow-panel layout, and zero-connection plans.

[Copilot]

Pull request overview

Adds a new Aspireify canvas extension to provide a Step 3 confirmation surface for reviewing the proposed AppHost resource plan before the Aspireify skill edits files. This fits alongside the existing Aspire Doctor canvas by adding an interactive plan review UI plus an extension host/server that coordinates plan updates and confirmation callbacks.

Changes:

• Added the aspireify canvas UI (HTML/CSS/JS) for grouped resource cards, editing, and connection management.
• Added the aspireify GitHub App extension implementation (server, auth, canvas actions, and session hooks).
• Updated top-level documentation (README + CHANGELOG) to list the new extension.

Reviewed changes

Copilot reviewed 12 out of 12 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
README.md	Adds aspireify to the documented extension list.
CHANGELOG.md	Notes the new aspireify canvas extension in release notes.
extensions/aspireify/ui/styles.css	New styling for the Aspireify confirmation canvas UI.
extensions/aspireify/ui/index.html	New UI layout for plan review, dialogs, and confirmation controls.
extensions/aspireify/ui/app.js	New client logic for rendering snapshots, editing resources/connections, and calling extension APIs.
extensions/aspireify/README.md	Documents Aspireify canvas responsibilities and workflow boundary.
extensions/aspireify/extension.mjs	Implements the canvas extension server, auth, snapshot/proposal state, and agent hooks.
.github/extensions/aspireify/extension.mjs	Wires the Aspireify extension into the GitHub extensions entrypoint.

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