ci: Fix incorrect cancellation and host reporting

[backspace]

I’ve been noticing this a lot lately:

There should be no merging of host reports when the ancestor job is cancelled.

But why was it cancelled? Multiple workflows call test-web-assets to share an early job that builds the application for future jobs to use, so the concurrency-group needs to include an identifier for the calling workflow so they don’t trample each other.

[github-actions]

Host Test Results

    1 files  ±  0      1 suites  ±0   2h 7m 24s ⏱️ - 14m 39s
2 067 tests  - 127  2 053 ✅  - 126  13 💤  - 2  0 ❌ ±0  1 🔥 +1 
2 067 runs   - 127  2 052 ✅  - 127  13 💤  - 2  1 ❌ +1  1 🔥 +1 

For more details on these errors, see this check.

Results for commit ad726ad. ± Comparison against base commit b5cd4a5.

This pull request removes 128 and adds 1 tests. Note that renamed tests count towards both.

Chrome ‑ Acceptance | Code patches tests: LLM mode event controls auto-apply of code patches with timestamp checking
Chrome ‑ Acceptance | Code patches tests: action bar disappears when "Cancel" button is clicked
Chrome ‑ Acceptance | Code patches tests: automatic Accept All spinner appears in Act mode for multiple patches
Chrome ‑ Acceptance | Code patches tests: can create new files using the search/replace block
Chrome ‑ Acceptance | Code patches tests: can restore content of a patched file to its original state
Chrome ‑ Acceptance | Code patches tests: does not display the action bar when the streaming is cancelled
Chrome ‑ Acceptance | Code patches tests: empty file shows generating content while streaming a new file patch
Chrome ‑ Acceptance | Code patches tests: empty file shows generating content while waiting for patch acceptance
Chrome ‑ Acceptance | Code patches tests: empty file stops showing generating content after canceling patch
Chrome ‑ Acceptance | Code patches tests: failure patching code when using "Accept All" button
…

Chrome ‑ error

♻️ This comment has been updated with latest results.

[github-actions]

Realm Server Test Results

  1 files  ±0    1 suites  ±0   13m 55s ⏱️ +25s
844 tests ±0  844 ✅ ±0  0 💤 ±0  0 ❌ ±0 
915 runs  ±0  915 ✅ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit ad726ad. ± Comparison against base commit b5cd4a5.

♻️ This comment has been updated with latest results.

[Copilot]

Pull request overview

This PR adjusts GitHub Actions concurrency and reporting logic to prevent cross-workflow test-web-assets cancellations and to avoid publishing merged Host reports when upstream jobs didn’t actually run.

Changes:

• Add a required caller input to the reusable test-web-assets workflow and include it in the concurrency group to avoid cross-workflow interference.
• Pass the new caller input from ci, ci-host, and ci-software-factory.
• Tighten the Host report merge/publish job condition to avoid running when host-test is skipped.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.

File	Description
.github/workflows/test-web-assets.yaml	Adds caller input and incorporates it into the job concurrency group.
.github/workflows/ci.yaml	Passes caller: ci when invoking the reusable test-web-assets workflow.
.github/workflows/ci-software-factory.yaml	Passes caller: ci-software-factory when invoking the reusable test-web-assets workflow.
.github/workflows/ci-host.yaml	Passes caller: ci-host and updates Host merge/publish job gating logic.

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