Merge remote-tracking branch 'github/master' into feat/agent-event-payload

# Conflicts:
#	docs/core-data-structures/core.i18n.yaml

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

@@ -336,6 +336,55 @@ interface LlmModelInfo {
 }
 ```
 
+界面正在起草的提供方既没有路由也没有 catalog，因此询问被单独描述：请求携带用户正在编辑的草稿，回复是界面可以采纳的候选，而不是它必须服务的 catalog。
+
+```ts type-equiv
+/**
+ * One interrogation of a provider endpoint that configuration has not stored
+ * yet. Configuration surfaces send the draft a user is still editing, so the
+ * request carries the endpoint and credential directly instead of naming a
+ * route: a provider being added has no route to name.
+ */
+interface LlmModelDiscoveryRequest {
+  /**
+   * Route the draft is editing, when it edits an existing one. A route whose
+   * adapter already knows its models answers from that knowledge instead of
+   * asking the endpoint — the adapter's own registry is the better answer, and
+   * it costs no network call.
+   */
+  provider?: string
+  /**
+   * Endpoint to interrogate. Optional because a route the adapter already
+   * describes needs none; a route it does not must supply one.
+   */
+  baseURL?: string
+  /** Wire protocol the endpoint speaks, when the draft names one. */
+  api?: string
+  /** Credential for this interrogation alone; the harness never stores it. */
+  apiKey?: string
+  /** Caller cancellation; implementations must settle promptly after it aborts. */
+  signal?: AbortSignal
+}
+```
+
+```ts type-equiv
+/**
+ * One model an endpoint reports about itself. Every field but the id is
+ * optional because most provider listings disclose an id and nothing else;
+ * a surface adopting one of these still owes the capacities its adapter needs.
+ */
+interface LlmDiscoveredModel {
+  /** Model id the endpoint accepts. */
+  id: string
+  /** Human-readable name when the endpoint supplies one. */
+  name?: string
+  /** Maximum combined request and response context, when disclosed. */
+  contextWindow?: number
+  /** Maximum output tokens, when disclosed. */
+  maxTokens?: number
+}
+```
+
 对正确性敏感的元数据与参考目录分开解析，并归服务该确切路由的适配器所有。上下文容量、适配器调用默认值和推理选项共用同一个确切模型结果，消费方因而无需重复执行权威模型解析。
 
 ```ts type-equiv