refactor: apply repository naming contract

Apply the accepted pre-release package, service, type, directory, and role renames as one repository-wide change.

packages/test-support/client-runtime/src/fixtures.ts

@@ -0,0 +1,89 @@
+/** Session/workspace fixture shapes and snapshot defaults for the test runtime. */
+import type {
+  ConversationSnapshot, ISession, SessionId, SessionSummary, WorkspaceListState,
+} from '@deepseek-ai/dsh-client-runtime/client'
+import {
+  EMPTY_CHAT_SNAPSHOT, EMPTY_CONVERSATION_VIEWS,
+} from '@deepseek-ai/dsh-client-runtime/client'
+
+/**
+ * Fixture overrides for the session behavior face: any subset of the
+ * production ISession verbs (typed against it, so a face change surfaces
+ * here at compile time), plus extra members feature-specific casts consume.
+ * The open Record tail means a misnamed EXTRA member is not caught by the
+ * compiler (it grafts as dead weight); the ISession verbs stay safe — a
+ * misnamed verb leaves the fail-loud stub in place, which names itself at
+ * the first call.
+ */
+export type SessionBehaviorOverrides = Partial<ISession> & Record<string, unknown>
+
+/**
+ * act-wrapped mutation runner shared by every runtime object: public mutators
+ * funnel through it so tests never handle SlotCore microtask batching or
+ * React act themselves.
+ */
+export type Stabilizer = (fn: () => void | Promise<void>) => Promise<void>
+
+/**
+ * Session fixture accepted by {@link TestSessions.add}: identity plus optional
+ * snapshot/list-row overrides and the session behavior face the feature under
+ * test actually calls (kept open — the runtime never fakes methods a test did
+ * not supply, so an unstubbed call fails loud at the call site).
+ */
+export interface SessionFixture {
+  id: string
+  /** Overrides merged over {@link conversationSnapshot} (sessionId comes from `id`). */
+  snapshot?: Partial<Omit<ConversationSnapshot, 'sessionId'>>
+  /** List-row overrides merged over the defaults derived from `id`. */
+  summary?: Partial<Omit<SessionSummary, 'id'>>
+  /** Session behavior face: exactly the methods the feature under test calls (ISession subset + extras). */
+  session?: SessionBehaviorOverrides
+}
+
+/**
+ * A complete quiescent conversation snapshot (open window, no traffic).
+ * @param sessionId - owning session id.
+ * @returns the snapshot; spread fixture overrides on top.
+ */
+export function conversationSnapshot(sessionId: SessionId): ConversationSnapshot {
+  return {
+    sessionId,
+    views: EMPTY_CONVERSATION_VIEWS,
+    chat: EMPTY_CHAT_SNAPSHOT,
+    nodes: [],
+    turnTimings: new Map(),
+    turnEnds: new Map(),
+    partial: null,
+    runningCalls: [],
+    pending: [],
+    queue: [],
+    running: false,
+    subagent: null,
+    composerPhase: 'active',
+    removed: false,
+    openState: 'open',
+    openError: null,
+    hasMore: false,
+    loadingOlder: false,
+    promptError: null,
+    blank: false,
+    lastAgentError: null,
+  }
+}
+
+/**
+ * A ready workspace list with no workspaces (the shape WorkspaceRuntime
+ * projects after both baselines land).
+ * @returns the initial state of the test workspaces store.
+ */
+export function workspaceListState(): WorkspaceListState {
+  return {
+    items: [],
+    archivedSessionIds: [],
+    state: 'idle',
+    phase: 'ready',
+    error: null,
+    baselinesReady: true,
+    recentWorkspaceId: undefined,
+  }
+}