Merge commit 'refs/codex/pr1006/master' into worktree/pr1006-merge-20260731

# Conflicts:
#	docs/architecture.i18n.yaml
#	docs/config-catalog.md
#	docs/cordis-catalog/services.md
#	docs/core-data-structures/core.i18n.yaml
#	examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/session.jsonl
#	examples/headless-agent/cordis.yml
#	packages/cordis/tool-cordis/src/api-catalog.ts
#	packages/llm/llm-deepseek/README.i18n.yaml
#	packages/llm/llm-deepseek/README.md
#	packages/llm/llm-deepseek/README.zh.md
#	packages/llm/llm-deepseek/src/adapter.ts
#	packages/llm/llm-deepseek/src/index.ts
#	packages/llm/llm-deepseek/tests/adapter.spec.ts
#	packages/llm/llm/README.i18n.yaml
#	packages/llm/llm/README.md
#	packages/llm/llm/README.zh.md
#	packages/subagent/subagent-dsh-sdk/README.i18n.yaml
#	packages/ui/jsonrpc/README.i18n.yaml

docs/core-data-structures/core.zh.md

@@ -25,6 +25,7 @@ harness 是一个微内核：一个极小的核心加上众多插件。大多数
 | [session.md](session.md) | 完整的 `SessionEventMap` 变体目录、`TurnTrigger`/`TurnEndReason`、`deriveMessages()`、执行封闭与独立事件 |
 | [persistence.md](persistence.md) | 持久性 seam：`SessionPersistence`、JSONL + SQLite 后端、`session/flush`、崩溃恢复、`SessionHeader` |
 | [settings.md](settings.md) | 用户设置 seam：`SettingsNamespace` 注册、分层解析（默认值 → 组合 `base` → 用户文档）、owner scope、热提交 |
+| [credentials.md](credentials.md) | 凭据 seam：配置中的 `CredentialRef` 引用（绝不含值）、按操作解析、对 UI 安全的 `CredentialInfo`、provider 来源层 |
 | [session-query.md](session-query.md) | 逻辑记录、有界精确事件读取、关系追踪、语义筛选器/文档与全文检索结果页 |
 | [session-title.md](session-title.md) | 持久标题快照、来源 provenance 与异步提供方契约 |
 | [system-prompt.md](system-prompt.md) | 逐次组装的上下文、工具提供方结果、提示词段落与协作式组装 |
@@ -188,6 +189,34 @@ interface MessageSourceMap {
 
 提供方与模型发现使用小型、提供方无关的描述符。模型目录仅供参考：路由仍以已注册提供方为键，适配器也可以接受未列出的模型 id。
 
+注册适配器会返回一个句柄：既是释放器，也带有原子的路由替换——路由集合由用户配置决定的插件正需要它。
+
+```ts type-equiv
+/**
+ * What {@link LlmService.registerAdapter} returns: the disposer, plus an
+ * atomic route replacement for the same adapter instance.
+ */
+interface AdapterRegistrationHandle {
+  /** Release every route this registration currently holds. */
+  (): void
+  /**
+   * Replace this registration's routes with `providers`, keeping the same
+   * adapter instance. The candidate set is validated in full first — a
+   * conflict with another adapter, an invalid name, or bad provider metadata
+   * throws and leaves the current routes untouched — and the swap itself is
+   * one synchronous section, so no request can observe a gap. An empty array
+   * is legal here (a settings section that emptied holds zero routes while
+   * staying registered), unlike an empty initial registration.
+   *
+   * Throws `LlmError` with code `REGISTRATION_DISPOSED` once the registration
+   * has been released: its routes are gone and its disposer has already run,
+   * so anything registered afterwards would have no owner left to release it.
+   * @param providers - the complete next route set for this registration.
+   */
+  replace(providers: string[]): void
+}
+```
+
 ```ts type-equiv
 /** Display metadata for one registered provider route. */
 interface LlmProviderInfo {
@@ -198,6 +227,30 @@ interface LlmProviderInfo {
 }
 ```
 
+适配器插件还会通过 `registerConfigurableProviders()` 声明哪些路由*可以*运行，并指明每条路由的用户设置分节，使配置界面能在任何路由注册之前就呈现休眠的提供方。
+
+```ts type-equiv
+/**
+ * One provider route an adapter plugin can activate through configuration,
+ * whether or not the route is currently registered. Configuration surfaces
+ * merge this directory with `listProviders()` to offer every configurable
+ * provider alongside its live/dormant state.
+ */
+interface LlmConfigurableProvider {
+  /** Provider route key this entry activates when configured. */
+  provider: string
+  /** Human-readable provider name for configuration surfaces. */
+  displayName: string
+  /** User-settings namespace whose section configures this provider. */
+  settingsNs: string
+  /**
+   * Path from that namespace's section root to this provider's profile
+   * object; empty when the whole section is the profile.
+   */
+  settingsPath: readonly string[]
+}
+```
+
 ```ts type-equiv
 /** One adapter-discovered model; catalog membership is advisory, not request validation. */
 interface LlmModelInfo {