Merge origin/master: goal domain lands beside plan

Union resolutions throughout — the fixture serves both the goal and plan
projection units (catalog gains /goal beside /plan; the retired
goal-fixture sample command yields to the real goal mirror), the mux
baseline spec expects all four unit frames, and the tsconfig paths /
Model Experience allowlist carry both domains' outlets.

packages/client/runtime/tests/fake-api.ts

@@ -153,6 +153,15 @@ export class FakeApiClient implements IApiClient {
     list: (payload: unknown) => this.record('skill.list', payload, this.onSkillList(payload)),
   }
 
+  readonly goals: IApiClient['goals'] = {
+    create: payload => this.record('goal.create', payload, Promise.resolve(ok({ ref: { id: 'fake-goal' as never, revision: 1 } }))),
+    edit: payload => this.record('goal.edit', payload, Promise.resolve(ok({ ref: { id: 'fake-goal' as never, revision: 1 } }))),
+    pause: payload => this.record('goal.pause', payload, Promise.resolve(ok({ ref: { id: 'fake-goal' as never, revision: 1 } }))),
+    resume: payload => this.record('goal.resume', payload, Promise.resolve(ok({ ref: { id: 'fake-goal' as never, revision: 1 } }))),
+    complete: payload => this.record('goal.complete', payload, Promise.resolve(ok({ ref: { id: 'fake-goal' as never, revision: 1 } }))),
+    clear: payload => this.record('goal.clear', payload, Promise.resolve(ok({ cleared: true as const }))),
+  }
+
   /** When true, streams never fire onOpen (misbehaving-carrier material for the handshake timeout guard). */
   suppressStreamOpen = false