Add diagnostic logging for project resolution failures

[Copilot]

Project 146 resolution fails with "Could not resolve to a ProjectV2" despite correct URL and code logic. Both direct projectV2(number) and fallback projectsV2 list queries fail, but insufficient logging prevents identifying whether this is a permission, access, or API issue.

Changes

Enhanced diagnostic logging in project resolution:

• Log parsed URL components with types to verify extraction
• Log string-to-integer conversion to confirm type handling
• Log GraphQL query variables before execution
• Distinguish between API errors vs. null results

Files modified:

• actions/setup/js/update_project.cjs
• actions/setup/js/create_project_status_update.cjs

Example

Before:

const projectInfo = parseProjectUrl(output.project);
const projectNumberInt = parseInt(projectNumberFromUrl, 10);
const project = await resolveProjectV2(projectInfo, projectNumberInt, github);

After:

const projectInfo = parseProjectUrl(output.project);
// Logs: "Parsed project URL: scope=orgs, owner=githubnext, number=146 (type: string)"

const projectNumberInt = parseInt(projectNumberFromUrl, 10);
// Logs: "Converting project number: "146" (string) -> 146 (number)"

const project = await resolveProjectV2(projectInfo, projectNumberInt, github);
// Logs: "resolveProjectV2 called with: scope=orgs, login=githubnext, number=146 (type: number)"
// Logs: "Executing direct projectV2 query with variables: login="githubnext", number=146"

Next workflow run will reveal exact failure point: token permissions, project visibility, or transient API errors.

Original prompt

Investigate issue in run when esolving project from URL (scope=orgs, login=githubnext, number=146)...
Warning: Direct projectV2(number) query failed; falling back to projectsV2 list search: Request failed due to following response errors:

• Could not resolve to a ProjectV2 with the number 146.
  GraphQL Error during: Resolving project from URL
  https://github.com/githubnext/gh-aw/actions/runs/21600599324/job/62245595188

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