fix(web): update docs links

[hyoban]

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2. Ensure there is an associated issue and you have been assigned to it
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Summary

Update web documentation links to match the release/1.16.0 docs paths.

• Regenerate doc path types from the release/1.16.0 docs.json shape, including navigation root entries.
• Keep API reference links language-prefixed without product prefixes or translated slugs.
• Replace stale tool, service API, and agent help links with their current destinations.
• Make integration header docs links type-safe with DocPathWithoutLang.

No linked issue.

Screenshots

Before	After
N/A	N/A

Checklist

• This change requires a documentation update, included: Dify Document
• I understand that this PR may be closed in case there was no previous discussion or issues. (This does not apply to typos!)
• I have added a test for each change that was introduced, and I tried as much as possible to make a single atomic change.
• I have updated the documentation accordingly.
• I ran make lint && make type-check (backend) and cd web && pnpm exec vp staged (frontend) to appease the lint gods

Validation run:

• pnpm --dir /Users/hyoban/i/dify/web type-check --pretty false
• pnpm --dir /Users/hyoban/i/dify/web test context/i18n.spec.ts app/components/integrations/__tests__/page.spec.tsx app/components/tools/provider/__tests__/custom-create-card.spec.tsx app/components/tools/provider/__tests__/empty.spec.tsx app/components/app/overview/customize/__tests__/index.spec.tsx
• pnpm --dir /Users/hyoban/i/dify/web exec eslint /Users/hyoban/i/dify/web/app/components/integrations/page.tsx

From Codex

[codecov]

Codecov Report

❌ Patch coverage is 83.33333% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 85.36%. Comparing base (925f97b) to head (98cc551).

Files with missing lines	Patch %	Lines
web/hooks/use-api-access-url.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #38591      +/-   ##
==========================================
- Coverage   85.36%   85.36%   -0.01%     
==========================================
  Files        5022     5021       -1     
  Lines      267194   266964     -230     
  Branches    50851    50831      -20     
==========================================
- Hits       228094   227890     -204     
+ Misses      34613    34607       -6     
+ Partials     4487     4467      -20     

Flag	Coverage Δ
dify-ui	94.61% <ø> (ø)
web	84.89% <83.33%> (-0.01%)	⬇️

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