Merge remote-tracking branch 'origin/master' into codex/basic-session-search

# Conflicts:
#	apps/web/tests/snapshots/question-composer/answered.expected.md
#	packages/client/connection/tests/fake-api.ts
#	packages/client/runtime/README.i18n.yaml
#	packages/client/runtime/tests/fake-api.ts
#	packages/client/ui-workspace/README.i18n.yaml
#	packages/client/ui-workspace/README.md
#	packages/client/ui-workspace/README.zh.md
#	packages/client/ui-workspace/src/client/WorkspaceBrowser.tsx
#	packages/client/ui-workspace/tests/apply.spec.ts
#	packages/host/apiproxy/README.i18n.yaml
#	packages/host/apiproxy/README.md
#	packages/host/apiproxy/README.zh.md
#	packages/host/apiproxy/src/api-proxy.ts
#	packages/host/apiproxy/src/api/index.ts
#	packages/host/apiproxy/src/api/sessions.schema.ts
#	packages/host/apiproxy/src/fetch/client.ts
#	packages/host/apiproxy/src/fetch/handler.ts
#	packages/host/apiproxy/tests/fetch-carrier.spec.ts
#	packages/host/apiproxy/tests/rpc-schemas.spec.ts
#	packages/session-query/session-query/tests/search-helpers.spec.ts

apps/web/tests/snapshots/code-mode-round/ui.expected.md

@@ -13,6 +13,7 @@
   - img
 - button "编辑":
   - img
+- button "▸ 上下文注入"
 - 'button "Think The user wants me to write a single `run_code` program that:"':
   - img
   - text: "Think The user wants me to write a single `run_code` program that:"
@@ -34,4 +35,7 @@
 - combobox "Access mode":
   - option "Read-only" [selected]
   - option "Read-write"
+- button "选择模型，当前 DeepSeek-V4-Flash":
+  - text: DeepSeek-V4-Flash
+  - img
 - button "Send message" [disabled]