Rename session recording to session replay across the codebase.

Renames all files, components, database schema, API routes, hooks,
messages, and build config from "recording" to "replay" terminology.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/queries/sql/replays/index.ts

@@ -0,0 +1,4 @@
+export * from './deleteReplaysByWebsite';
+export * from './getReplayChunks';
+export * from './getSessionReplays';
+export * from './saveReplayChunk';