openai/gpt-chat-latest → B (3:2)

Side B introduces a durable architectural improvement by persisting full imported Reddit payloads as a new `EntityImported` event, replaying them into state, separating raw payloads from derived views, and replacing automatic fetches with explicit user-triggered imports. Side A adds a substantial new `/ui` endpoint with JSON-template form handling and refactors web-post logic for reuse, but much of its change is plumbing for browser UI dispatch, whereas Side B extends the project's persistence model, replay behavior, and import workflow with accompanying tests.