fix help link for complex forms

[hahn-kev]

a user reported that the link was broken. I wrote a manual test to check all the help links at once.

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📝 Walkthrough

Walkthrough

The viewer centralizes documentation URL constants, updates help-link construction, and corrects one topic identifier. It adds an opt-in network test that checks configured help links and isolates manual tests from default Vitest and CI runs.

Changes

Help URL validation

Layer / File(s)	Summary
Shared help URL contract frontend/viewer/src/lib/views/entity-config.ts, frontend/viewer/src/lib/entry-editor/FieldHelpIcon.svelte	The entity configuration exports helpDocRoot and helpBaseUrl. The complex forms help ID is updated. FieldHelpIcon uses the shared base URL.
Manual help-link validation frontend/viewer/src/lib/views/check-all-helps.manual.test.ts, frontend/viewer/vitest.config.ts, frontend/viewer/package.json, frontend/viewer/AGENTS.md	The manual test fetches configured help paths and checks successful responses. Vitest and package scripts isolate manual tests from default runs. The test documentation describes the opt-in command and network requirement.

Estimated code review effort: 3 (Moderate) | ~20 minutes

Suggested reviewers: myieye

Merge Risk: 🔵 Low · up to e7726

This fixes complex-form help navigation and adds manual link validation, but the normal watch command can now trigger external network checks unexpectedly. Excluding manual tests from watch mode resolves the remaining bounded developer-workflow risk.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly identifies the primary change: fixing the broken help link for complex forms.
Description check	✅ Passed	The description accurately describes the broken link fix and the added manual test for all help links.
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 1 functions across 3 files. (3 skipped: 3 …
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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_{A rabbit checks each help-page trail
With tidy links that do not fail
Manual tests hop out on cue
While default runs stay quick and true
The docs now point the way anew}

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Actionable comments posted: 1

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Inline comments:
In `@frontend/viewer/vitest.config.ts`:
- Around line 47-56: Update the test:watch configuration to exclude the Vitest
project named manual by adding the !manual project filter, while preserving the
existing manual project configuration and other watch behavior.

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ℹ️ Review info

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Configuration used: Repository UI

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📥 Commits

Reviewing files that changed from the base of the PR and between ecf4010 and e7726d2.

📒 Files selected for processing (6)

• frontend/viewer/AGENTS.md
• frontend/viewer/package.json
• frontend/viewer/src/lib/entry-editor/FieldHelpIcon.svelte
• frontend/viewer/src/lib/views/check-all-helps.manual.test.ts
• frontend/viewer/src/lib/views/entity-config.ts
• frontend/viewer/vitest.config.ts

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Build	Status	Details	Updated (UTC)
default (Inspect)	✅ No changes detected	-	Sep 14, 2026, 4:21 AM
e2e (Inspect)	✅ No changes detected	-	Sep 14, 2026, 4:28 AM

[myieye]

Looks good. Though, I'm not convinced we can't run this in CI.
It's only 16 links (so far) and they hit an SIL domain, so I don't see any security concern.

I asked Claude about this and it told me that you were probably concerned about flakiness.
It proposed a scheduled CI job. What do you think?
My plan would be: once a week or so. If any link fails it sleeps for a couple hours and retries. If it still fails then the job fails.
i.e. this: https://github.com/sillsdev/languageforge-lexbox/pull/2650/changes

[hahn-kev]

Yeah flakeyness was one reason.

The main one though was resource utilization. If we were to run on every build we would end up excessively checking. Realistically speaking we could run this check once a month and likely never catch anything. So yeah I'd be fine with a once a month job. I would love if we could only run this test if the links are touched.

One issue with a monthly scheduled job we would need to watch it. Maybe we have it create an issue if there's a failure? There's probably some other tests and such that we could put into a monthly schedule too, like our Cloudflare header test which failed occasionally.