feat: slash system / input service / agent scope

packages/host/apiproxy/src/api/skills.ts

@@ -0,0 +1,25 @@
+/**
+ * skills domain contract: read-only skill catalog lookup addressed by session.
+ * The session's header cwd resolves to the canonical project root host-side —
+ * the client never submits a raw path, and skill lookup never creates or
+ * resumes an Agent.
+ */
+
+import type { SessionId } from '@deepseek-ai/dsh-session/types'
+import type { RpcRequest, RpcResponse } from './rpc.ts'
+
+/** Skill catalog row (wire projection of the host SkillSummary; provider/source vocabulary stays host-side). */
+export interface SkillEntry {
+  /** Kebab-case identifier referenced as `<skill>name</skill>` in prompts. */
+  readonly name: string
+  /** Short routing description. */
+  readonly description: string
+  /** Optional extra routing guidance. */
+  readonly whenToUse?: string
+}
+
+/** Skill-domain unary methods (the map key skill.* of RpcMethodMap). */
+export interface SkillsApi {
+  /** Lists model-invocable skills for the addressed session's project root. */
+  list(request: RpcRequest<{ sessionId: SessionId }>): Promise<RpcResponse<{ skills: readonly SkillEntry[] }>>
+}