Parse each frame event using its declared protocol fields and retain loader and ancestry only across same-document updates. This removes alias-based attribution, invalidates malformed committed frame facts, and prevents stale WebMCP tools surviving a same-URL document replacement.
Migrate Electron, screenshot, capture, timeline, and execution consumers to the shared facts owner and retire the old helper exports. Validated 428 focused tests, test discovery, typecheck/lint, and real Chrome CLI/MCP network capture; Electron and WebMCP regressions use simulated CDP.
