refactor: move auth to main

[jonathanlab]

Problem

We have a lot of transient auth issues which are hard to debug. The auth store is a giant 1000 line monolith. It handles auth, oauth, onboarding, project switching etc. We're passing the auth token by value instead of reference throughout the entire repository. Improving this setup could fix some of the issues, or at least makes them easier to debug.

Changes

This is the first PR in the auth refactor, and mostly scaffolds stuff:

• Move the auth logic to a service in main.
• Added a table for storing auth sessions
• Changed boot order so that auth starts before window creation
• Renderer auth store no longer persists auth/handles refresh
• Auth store is now a temporary wrapper around the new main service
• PostHogAPIClient now asks main for a valid token instead of storing it locally

We will replace all usages of the auth store TRPC queries later on.
This PR breaks several things:

• Token handling in main
• Onboarding persistence

These are added back in later PRs in the stack, to keep this PR somewhat readable.

[jonathanlab]

• feat: improve auth service resilience #1367
• feat: persist preferred project by account key #1366
• refactor: hook up renderer auth logic to service #1365
• feat: pass auth tokens by reference, not value #1362
• refactor: move auth to main #1360 👈 (View in Graphite)
• main

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[jonathanlab]

Merge activity

• Apr 1, 9:59 AM UTC: A user started a stack merge that includes this pull request via Graphite.
• Apr 1, 10:00 AM UTC: @jonathanlab merged this pull request with Graphite.