Set posthog runtimeConfig defaults (follow-up to #429)

[razbakov]

Follow-up to #429.

#429 added the public key to the module-level posthog: block, but runtimeConfig.public.posthog still defaulted to empty strings. At runtime those empty strings override the module config when Vercel env vars aren't set, so the deployed __NUXT__.config.public.posthog shows publicKey:"" and PostHog never initializes.

Set the same public phc_ key in runtimeConfig so both layers agree.

Verified after #429 deployed: curl https://v4.wedance.vip/ | grep posthog shows publicKey:"". This PR fixes that.

Summary by CodeRabbit

• Chores
  • Updated PostHog integration configuration with production environment settings.

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Project	Deployment	Actions	Updated (UTC)
v4	Ready	Preview, Comment	Apr 15, 2026 1:19am

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[coderabbitai]

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📝 Walkthrough

Walkthrough

Updated PostHog analytics configuration in nuxt.config.ts by populating the publicKey and host fields with specific values for EU-region analytics collection. The change transitions from placeholder empty strings to production configuration values.

Changes

Cohort / File(s)	Summary
PostHog Configuration nuxt.config.ts	Updated runtimeConfig.public.posthog.publicKey and runtimeConfig.public.posthog.host with production values for EU region analytics.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• Fix PostHog tracking on v4.wedance.vip #429: Modifies the identical nuxt.config.ts PostHog configuration entries with the same publicKey and host values.
• Posthog #412: Updates PostHog runtime configuration in nuxt.config.ts for the same posthog.host and posthog.publicKey structure.

Poem

🐰 A rabbit hops through config land,
PostHog keys in paw so grand,
EU analytics now take flight,
Empty strings replaced just right! ✨

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: setting PostHog runtime configuration defaults and explicitly references the related issue #429.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/posthog-runtime-config

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