docs: hand off B05 TodoWrite validation and remaining acceptance

docs/协作/evidence/b05-01/conversation.log

@@ -0,0 +1,9 @@
+npm warn Unknown env config "http-proxy". This will stop working in the next major version of npm.
+
+> ycode@0.0.10 test:conversation
+> esbuild scripts/conversation-renderer-regression.tsx scripts/composer-regression.tsx scripts/completed-fold-regression.tsx scripts/streaming-footer-regression.tsx --bundle --platform=node --format=cjs --jsx=automatic --loader:.css=text --out-extension:.js=.cjs --outdir=.tmp/conversation-tests --log-level=error && node .tmp/conversation-tests/conversation-renderer-regression.cjs && node .tmp/conversation-tests/composer-regression.cjs && node .tmp/conversation-tests/streaming-footer-regression.cjs && node .tmp/conversation-tests/completed-fold-regression.cjs
+
+Conversation specialized renderer SSR regression checks passed
+Composer/message action regression cases passed
+streaming-footer-regression: persistent stream status, delayed/paused rotation, brand/locale mapping, source CSS, and completed model footer passed
+Completed-fold model and SSR regression checks passed