Merge remote-tracking branch 'origin/doc/host-client-group-readmes' into feat/directory-picker

# Conflicts:
#	packages/client/connection/src/client/fixture.ts
#	packages/client/connection/tests/fake-api.ts
#	packages/client/runtime/src/client/workspaces/service.ts
#	packages/client/runtime/tests/fake-api.ts
#	packages/client/ui-workspace/src/client/WorkspaceBrowser.tsx
#	packages/client/ui-workspace/src/client/WorkspacePicker.tsx
#	packages/client/ui-workspace/tests/workspace-picker.spec.tsx
#	packages/host/apiproxy/README.i18n.yaml
#	packages/host/apiproxy/src/api-proxy.ts
#	packages/host/apiproxy/src/api/host.schema.ts
#	packages/host/apiproxy/src/api/host.ts
#	packages/host/apiproxy/src/api/rpc-map.ts
#	packages/host/apiproxy/src/fetch/client.ts
#	packages/host/apiproxy/src/fetch/handler.ts
#	packages/host/apiproxy/tests/api-proxy-workspace.spec.ts
#	packages/host/apiproxy/tests/client-handler.spec.ts
#	packages/host/apiproxy/tests/fetch-carrier.spec.ts

apps/cli/cordis.yml

@@ -19,6 +19,13 @@
 - id: session
   name: '@deepseek-ai/dsh-session'
 
+# Projection registry: drives every registered domain unit over committed
+# session events and serves finished values (history-tail projections block +
+# session/projection frames). Without this row every domain's optional unit
+# injection stays silent — no block, no frames, no titles/todos on the web.
+- id: session-projection
+  name: '@deepseek-ai/dsh-session-projection'
+
 - id: session-title
   name: '@deepseek-ai/dsh-session-title'
   config: