fix(posthog): add rewrites for posthog reverse proxy routes unconditionally, remove unused POSTHOG_ENABLED envvar (#1548)

Author: waleedlatif1

apps/sim/lib/env.ts

@@ -89,7 +89,6 @@ export const env = createEnv({
     TELEMETRY_ENDPOINT:                    z.string().url().optional(),            // Custom telemetry/analytics endpoint
     COST_MULTIPLIER:                       z.number().optional(),                  // Multiplier for cost calculations
     LOG_LEVEL:                             z.enum(['DEBUG', 'INFO', 'WARN', 'ERROR']).optional(), // Minimum log level to display (defaults to ERROR in production, DEBUG in development)
-    POSTHOG_ENABLED:                       z.boolean().optional(),                 // Enable PostHog analytics and session recording
 
     // External Services
     BROWSERBASE_API_KEY:                   z.string().min(1).optional(),           // Browserbase API key for browser automation

apps/sim/next.config.ts

@@ -239,10 +239,6 @@ const nextConfig: NextConfig = {
     return redirects
   },
   async rewrites() {
-    if (!isTruthy(env.POSTHOG_ENABLED)) {
-      return []
-    }
-
     return [
       {
         source: '/ingest/static/:path*',