Fix incorrect Azure DevOps PR URL in review markdown output

[Copilot]

Azure DevOps PR URLs use /pullrequest/{id}, but the review output was emitting /pull/{id} — a format only valid for GitHub. The fix uses the canonical URL from the ADO CLI/API, falling back to the input URL when enrichment is unavailable.

Changes

• types.PRRef — Added PRURL string field to carry the canonical PR web URL through the pipeline.
• pr_url.go — Populates PRURL on parse with the correctly-formatted URL (/pullrequest/{id} for ADO, /pull/{id} for GitHub), serving as the fallback.
• resolver.go — ResolveFromPullRequestURL carries PRURL from the parsed context into the returned PRRef.
• enricher.go — enrichAzureDevOps now queries _links.web.href via az repos pr show to capture the canonical ADO web URL, overriding the parsed fallback when available.
• render.go — renderMarkdown/renderPRLine now accept a pre-built prURL directly rather than reconstructing from repoURL + prID.
• review.go — Uses prRef.PRURL when set; falls back to buildPRURL(repoURL, prID) (preserving existing GitHub behaviour).

Before / after:

# Before
PR: [#85820](https://dev.azure.com/ensekltd/blackbird/_git/blackbird/pull/85820)

# After
PR: [#85820](https://dev.azure.com/ensekltd/blackbird/_git/blackbird/pullrequest/85820)

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• https://api.github.com/repos/acme/repo/pulls/42
  • Triggering command: /usr/bin/gh gh api repos/acme/repo/pulls/42 --jq .base.ref,.base.sha (http block)
  • Triggering command: /usr/bin/gh gh api repos/acme/repo/pulls/42 --jq .base.ref,.base.sha ux-amd64/src/run. (http block)
  • Triggering command: /usr/bin/gh gh api repos/acme/repo/pulls/42 --jq .base.ref,.base.sha ux-amd64/src/run-c ux-amd64/src/ven-I ux-amd64/pkg/tool/linux_amd64/vet (http block)
• https://api.github.com/repos/acme/repo/pulls/73
  • Triggering command: /usr/bin/gh gh api repos/acme/repo/pulls/73 --jq .base.ref,.base.sha ux-amd64/src/run. (http block)
  • Triggering command: /usr/bin/gh gh api repos/acme/repo/pulls/73 --jq .base.ref,.base.sha _.a 0.1-go1.25.0.lin--64 rg/toolchain@v0.-o (http block)
  • Triggering command: /usr/bin/gh gh api repos/acme/repo/pulls/73 --jq .base.ref,.base.sha 0.1-go1.25.0.lin-errorsas SQdUDQPIO cal/bin/git credential.helpegit (http block)
• https://api.github.com/repos/acme/repo/pulls/77
  • Triggering command: /usr/bin/gh gh api repos/acme/repo/pulls/77 --jq .base.ref,.base.sha /tmp/go-build521727931/b184/ -dumpbase _cgo_main.c -dumpbase-ext .c -m64 -mtune=generic 0.1-�� 0.1-go1.25.0.lin. ame ux-amd64/pkg/tool/linux_amd64/vet (http block)
  • Triggering command: /usr/bin/gh gh api repos/acme/repo/pulls/77 --jq .base.ref,.base.sha 0.1-go1.25.0.lin--gdwarf-5 0.1-go1.25.0.lin--64 0.1-go1.25.0.lin-o (http block)
  • Triggering command: /usr/bin/gh gh api repos/acme/repo/pulls/77 --jq .base.ref,.base.sha 0.1-go1.25.0.linux-amd64/src/run-pthread /http/httptest/httptest.go ux-amd64/pkg/tool/linux_amd64/compile --fix-thin bis (http block)
• https://api.github.com/repos/checkouttestuser/checkouttestrepo/pulls/987654321
  • Triggering command: /usr/bin/gh gh api repos/checkouttestuser/checkouttestrepo/pulls/987654321 --jq .base.ref,.base.sha (http block)
  • Triggering command: /usr/bin/gh gh api repos/checkouttestuser/checkouttestrepo/pulls/987654321 --jq .base.ref,.base.sha 0.1-go1.25.0.lin--gdwarf-5 --global rg/toolchain@v0.-o http.https://git/home/REDACTED/go/pkg/mod/golang.org/toolchain@v0.0.1-go1.25.0.linux-amd64/pkg/too-buildtags (http block)
  • Triggering command: /usr/bin/gh gh api repos/checkouttestuser/checkouttestrepo/pulls/987654321 --jq .base.ref,.base.sha ux-amd64/src/net 0.1-go1.25.0.linux-amd64/src/int--64 ux-amd64/pkg/tool/linux_amd64/vet --depth bis REDACTED status --porcelain --ignore-submodules | head -n 10 ux-amd64/pkg/tool/linux_amd64/vet conf�� _.a ZqIvYSOoH pkg/mod/golang.org/toolchain@v0.0.1-go1.25.0.lin-lang=go1.25 pull.rebase (http block)
• https://api.github.com/repos/checkouttestuser2/checkouttestrepo2/pulls/123456789
  • Triggering command: /usr/bin/gh gh api repos/checkouttestuser2/checkouttestrepo2/pulls/123456789 --jq .base.ref,.base.sha (http block)
  • Triggering command: /usr/bin/gh gh api repos/checkouttestuser2/checkouttestrepo2/pulls/123456789 --jq .base.ref,.base.sha get 0.1-go1.25.0.lin--64 ux-amd64/src/net-o ux-amd64/src/net/home/REDACTED/go/pkg/mod/golang.org/toolchain@v0.0.1-go1.25.0.linux-amd64/pkg/too-trimpath ux-amd64/src/net-unsafeptr=false ux-amd64/src/net-unreachable=false ux-amd64/src/net/tmp/go-build521727931/b194/vet.cfg conf�� ux-amd64/src/net 0.1-go1.25.0.linux-amd64/src/enc/home/REDACTED/go/pkg/mod/golang.org/toolchain@v0.0.1-go1.25.0.lin--norc ux-amd64/pkg/tool/linux_amd64/vet (http block)
  • Triggering command: /usr/bin/gh gh api repos/checkouttestuser2/checkouttestrepo2/pulls/123456789 --jq .base.ref,.base.sha ux-amd64/src/net Gykg3C2n6 /usr/bin/git --depth 2 REDACTED git rtcf�� unset 0.1-go1.25.0.linux-amd64/src/vendor/golang.org/x/text/secure/bidirule/bidirule.go rg/toolchain@v0.0.1-go1.25.0.linux-amd64/pkg/tool/linux_amd64/compile pull.rebase (http block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)

Original prompt

---

This section details on the original issue you should resolve

<issue_title>Review output has incorrect URL for PR</issue_title>
<issue_description># Problem statement
For Azure DevOps, this was the original PR URL:
https://dev.azure.com/ensekltd/blackbird/_git/blackbird/pullrequest/85820

This was what was included in the markdown output:
https://dev.azure.com/ensekltd/blackbird/_git/blackbird/pull/85820

Requirements

Use the canonical PR URL returned by the Azure DevOps CLI or REST API. If there is no canonical URL available, then fall back to the input URL.</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Review output has incorrect URL for PR #20

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