E2E test Guide

Source Layout (src/logseq/e2e/)
- assert.clj: Custom assertion functions
- block.clj: Block manipulation helpers
- config.clj: Configuration settings
- const.clj: Shared constants
- graph.clj: Graph management helpers
- keyboard.clj: Keyboard shortcut helpers
- locator.clj: Playwright locator utilities
- page.clj: Page operations helpers
- playwright_page.clj: Playwright page initialization
- rtc.clj: RTC testing helpers
- settings.clj: Logseq settings manipulation
- util.clj: General utilities
Tests (test/logseq/e2e/)
- fixtures.clj: Test fixtures
- Basic Tests: *_basic_test.clj
- RTC Tests: rtc_*_test.clj
Run tests commands (in clj-e2e directory)
- clojure -X:dev-run-rtc-extra-test
- clojure -X:dev-run-rtc-extra-part2-test
- clojure -X:dev-run-all-basic-test