Merge latest master into PR 555

# Conflicts:
#	docs/architecture.i18n.yaml
#	docs/core-data-structures/core.i18n.yaml
#	examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/session.jsonl
#	packages/client/runtime/README.i18n.yaml
#	packages/client/ui-conversation/README.i18n.yaml
#	packages/client/ui-conversation/src/client/chat/MessageItem.tsx
#	packages/compact/compact-basic/README.i18n.yaml
#	packages/ui/tui/README.i18n.yaml

knip.json

@@ -627,7 +627,9 @@
         "tests/**/*.spec.ts",
         "tests/**/*.e2e.ts",
         "tests/**/*.snapshot.ts",
-        "tests/fixtures/tui-scripted-llm.ts"
+        "tests/fixtures/tui-scripted-llm.ts",
+        "tests/fixtures/composition-echo-llm.ts",
+        "tests/fixtures/composition-settled.ts"
       ],
       "project": [
         "src/**/*.ts",