use a reverse proxy for posthog analytics

[Inglan]

Summary by CodeRabbit

• New Features

  • Tracker dialog now includes a “Technical info” section that indicates when our services are being blocked, helping users diagnose issues.
  • Updated notice text for clearer guidance on allowing trackers/ad blockers for this site.

• Style

  • Improved spacing in the tracker dialog for better readability.

• Chores

  • Updated analytics service endpoints to a new host; no changes to user-facing behavior.

[coderabbitai]

Caution

Review failed

The pull request is closed.

Walkthrough

Redirected PostHog analytics endpoints to https://hog.edutools.ingo.au and updated the exception autocapture script URL accordingly. Adjusted tracker dialog text/spacing and added a technical info details block indicating the proxy host is being blocked.

Changes

Cohort / File(s)	Summary
Analytics endpoint redirect src/lib/analytics.ts	Updated PostHog api_host and exception-autocapture script URL to https://hog.edutools.ingo.au; no API or logic changes.
Tracker dialog copy and details src/lib/components/tracker-dialog.svelte	Revised wording, adjusted line breaks, and added a details section noting blocking of hog.edutools.ingo.au.

Sequence Diagram(s)

sequenceDiagram
  autonumber
  participant App
  participant Browser
  participant PostHog as PostHog SDK
  participant HogProxy as hog.edutools.ingo.au

  note over App,Browser: App startup
  App->>PostHog: posthog.init({ api_host: hog.edutools.ingo.au })
  PostHog-->>HogProxy: Send analytics events
  HogProxy-->>PostHog: Responses
  PostHog-->>App: Init complete

  note over App,HogProxy: Exception autocapture script
  App->>Browser: fetch https://hog.edutools.ingo.au/static/exception-autocapture.js
  alt Blocked by tracker/ad blocker
    Browser--x App: Fetch blocked/error
    App->>App: Trigger tracker dialog
  else Loaded
    Browser-->>App: Script loaded
  end

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Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related issues

• Use proxy for posthog #505 — Redirects PostHog to hog.edutools.ingo.au, matching this PR’s api_host and script URL changes.

Possibly related PRs

• add dialog for tracker blockers #346 — Introduced tracker-blocker detection/dialog tied to PostHog script fetch; this PR updates the host those checks rely on.
• better mirrors page #426 — Adjusted tracker-dialog messaging; this PR further updates the same component’s text/content.
• dep updates, fix idle breakout, privacy policy, refinements #483 — Prior edits to tracker-dialog.svelte; this PR makes additional copy/markup changes there.

Suggested reviewers

• nathblade16

✨ Finishing touches

• 📝 Generate Docstrings

🧪 Generate unit tests

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch 505-use-proxy-for-posthog

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📜 Recent review details

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between ef07527 and b1f1860.

📒 Files selected for processing (2)

• src/lib/analytics.ts (2 hunks)
• src/lib/components/tracker-dialog.svelte (1 hunks)

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