[CI] (6b2dc8b) tanstack-router/tanstack-router-file-based-saas

[wizard-ci-bot]

Automated wizard CI run

Source: wizard-pr
Trigger ID: 6b2dc8b
App: tanstack-router/tanstack-router-file-based-saas
App directory: apps/tanstack-router/tanstack-router-file-based-saas
Workbench branch: wizard-ci-6b2dc8b-tanstack-router-tanstack-router-file-based-saas
Wizard branch: release-please--branches--main--components--wizard
Context Mill branch: main
PostHog (MCP) branch: master
Timestamp: 2026-09-01T16:05:00.421Z
Duration: 355.3s

YARA Scanner

✓ 156 tool calls scanned, 0 violations detected

No violations: ✓ 156 clean scans

[wizard-ci-bot]

Now I have all the context I need. Let me produce the evaluation.

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PR Evaluation Report

Summary

This PR adds PostHog integration to a TanStack Router file-based SaaS app. It installs posthog-js, wraps the root component in PostHogProvider, adds custom event captures for login/logout and invoice CRUD operations, and configures exception autocapture. However, it omits posthog.identify() on login and posthog.reset() on logout, and makes unnecessary changes to the auto-generated route tree file.

Files changed	Lines added	Lines removed
8	+267	-341

Confidence score: 4/5 👍

• Missing posthog.identify() on login: The login handler calls auth.login(username) and posthog.capture('user_logged_in') but never calls posthog.identify(username). All events remain anonymous, defeating the purpose of having an auth flow. [CRITICAL]
• Missing posthog.reset() on logout: The logout handler captures user_logged_out and calls auth.logout() but never calls posthog.reset(). If another user logs in on the same browser, their events will be attributed to the previous user. [CRITICAL]
• No reverse proxy configured: No proxy setup to protect against ad blockers intercepting PostHog requests. [MEDIUM]

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File changes

Filename	Score	Description
.env.example	5/5	Adds VITE_PUBLIC_POSTHOG_PROJECT_TOKEN and VITE_PUBLIC_POSTHOG_HOST with placeholder values
package.json	5/5	Adds posthog-js dependency
src/routes/__root.tsx	4/5	Wraps app in PostHogProvider with env-based config, error tracking, and dev guards
src/routes/login.tsx	2/5	Adds capture events but missing identify() and reset()
src/routes/dashboard.invoices..tsx	5/5	Captures invoice_updated with invoice_id property
src/routes/dashboard.invoices.index.tsx	5/5	Captures invoice_created with invoice_id property
src/routeTree.gen.ts	2/5	Auto-generated file unnecessarily modified — renames, reorders, removes route manifest
tsconfig.json	5/5	Adds vite/client types for import.meta.env support

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App sanity check ⚠️

Criteria	Result	Description
App builds and runs	Yes	Valid syntax, correct imports, PostHogProvider properly wraps the app
Preserves existing env vars & configs	Yes	No existing env vars or configs removed
No syntax or type errors	Yes	All code is syntactically valid TypeScript/TSX
Correct imports/exports	Yes	posthog-js/react exports PostHogProvider and usePostHog correctly
Minimal, focused changes	No	routeTree.gen.ts has 543 lines changed (renaming, reordering, removing manifest) unrelated to PostHog
Pre-existing issues	None	No pre-existing issues observed

Issues

• Unnecessary routeTree.gen.ts modifications: The auto-generated route tree file was regenerated with cosmetic changes — variable renamed from rootRoute to rootRouteImport, blank lines removed, FileRoutesByPath declaration reordered, and the entire ROUTE_MANIFEST comment block deleted. These 543 lines of churn are unrelated to PostHog. [MEDIUM]
• Minor login.tsx refactor: The .update({ component: LoginComponent }) chain was merged into the route definition. While functionally equivalent, this is an unrelated change. [LOW]

Other completed criteria

• Environment variables documented in .env.example
• Build configuration valid with vite/client types added to tsconfig
• posthog-js package correctly added to dependencies

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PostHog implementation ⚠️

Criteria	Result	Description
PostHog SDKs installed	Yes	posthog-js ^1.424.0 added to package.json
PostHog client initialized	Yes	PostHogProvider with apiKey and options in __root.tsx, graceful fallback when env vars missing
capture()	Yes	Four meaningful capture calls: user_logged_in, user_logged_out, invoice_created, invoice_updated
identify()	No	No posthog.identify() call anywhere — login handler has auth.login(username) but never identifies the user to PostHog
Error tracking	Yes	capture_exceptions configured with capture_unhandled_errors: true and capture_unhandled_rejections: true
Reverse proxy	No	No proxy configuration for ad blocker circumvention

Issues

• No posthog.identify() on login: The app has a clear login flow (auth.login(username)) but never calls posthog.identify(username). All events remain tied to anonymous IDs, making user-level analytics impossible. The fix is to add posthog.identify(username) in the login handler after auth.login(username). [CRITICAL]
• No posthog.reset() on logout: The logout handler captures an event and calls auth.logout() but never calls posthog.reset(). Shared browsers will attribute the next user's events to the previous user. Add posthog.reset() after auth.logout(). [CRITICAL]
• No reverse proxy: Client-side events may be blocked by ad blockers. Should configure a reverse proxy (Vercel rewrites, Cloudflare, etc.). [MEDIUM]

Other completed criteria

• API key loaded from VITE_PUBLIC_POSTHOG_PROJECT_TOKEN environment variable
• API host loaded from VITE_PUBLIC_POSTHOG_HOST environment variable
• Dev-mode error thrown when env vars are missing, with graceful production fallback
• defaults: '2026-01-30' configuration set (slightly older than latest 2026-05-30 but functional)

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PostHog insights and events ⚠️

Filename	PostHog events	Description
login.tsx	user_logged_in, user_logged_out	Tracks auth lifecycle events in event handlers
dashboard.invoices..tsx	invoice_updated	Tracks invoice updates on mutation success with invoice_id property
dashboard.invoices.index.tsx	invoice_created	Tracks new invoice creation on mutation success with invoice_id property
__root.tsx	captureException (automatic)	Captures unhandled errors and rejections via capture_exceptions config

Issues

• user_logged_in event lacks properties: The login capture has no properties — missing username or auth method context. Adding { username } or similar non-PII property would enrich the event. [LOW]
• user_logged_out event lacks properties: Same as above — bare capture with no contextual properties. [LOW]

Other completed criteria

• Events represent real user actions (login, logout, invoice CRUD)
• Events enable product insights (login→invoice funnel, retention analysis)
• Invoice events include invoice_id property for meaningful analytics
• No PII in event properties
• Event names use descriptive snake_case convention

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Reviewed by wizard workbench PR evaluator