Fix path matching in getResourceType to handle relative paths

[Copilot]

Pull Request Checklist

• I have read and followed the CONTRIBUTING.md guidelines.
• My contribution adds a new instruction, prompt, agent, or skill file in the correct directory.
• The file follows the required naming convention.
• The content is clearly structured and follows the example format.
• I have tested my instructions, prompt, agent, or skill with GitHub Copilot.
• I have run npm start and verified that README.md is up to date.

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Description

The getResourceType() function used .includes("/hooks/") and .includes("/skills/") which failed to match relative paths stored in URL hashes (e.g., hooks/pre-commit/README.md), causing deep links to classify resources as "unknown" and break modal behavior.

Changes:

• Replaced .includes("/hooks/") with regex /(^|\/)hooks\//.test() to match both relative and absolute paths
• Applied same fix to skills path matching

Before:

if (filePath.includes("/hooks/") && filePath.endsWith("README.md"))
  return "hook";

After:

if (/(^|\/)hooks\//.test(filePath) && filePath.endsWith("README.md"))
  return "hook";

Pattern matches:

• hooks/pre-commit/README.md ✓
• /hooks/pre-commit/README.md ✓

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Type of Contribution

• New instruction file.
• New prompt file.
• New agent file.
• New collection file.
• New skill file.
• Update to existing instruction, prompt, agent, collection or skill.
• Other (please specify):

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Additional Notes

This PR addresses review feedback from #685: #685 (comment)

Merges into the copilot/pr-685 branch, not main.

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By submitting this pull request, I confirm that my contribution abides by the Code of Conduct and will be licensed under the MIT License.

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[Copilot]

Pull request overview

This PR fixes getResourceType() path classification so deep links using relative paths (stored in the URL hash) correctly detect hook and skill resources, restoring expected modal behavior.

Changes:

• Update skills path detection to match both relative (skills/...) and absolute (/skills/...) paths.
• Update hooks path detection to match both relative (hooks/...) and absolute (/hooks/...) paths.

[Copilot]

getResourceType() returns "instruction" for .instructions.md, but the VS Code install config (VSCODE_INSTALL_CONFIG) is keyed by "instructions". In openFileModal(), getVSCodeInstallUrl(type, ...) will therefore return null for instruction files, hiding the install dropdown in the modal for instructions opened from the list or via deep link. Consider normalizing the type names (e.g., use "instructions" everywhere) or adding an alias mapping in getVSCodeInstallUrl so both "instruction" and "instructions" resolve to the same config entry.