Adapt workspace context to session prefixes

packages/ui/stdio-agent/tests/built-bin.e2e.ts

@@ -35,7 +35,7 @@ const stdioBin = join(repoRoot, 'packages/ui/stdio-agent/lib/bin.js')
 const dshPackages = [
   'core/agent-core', 'core/agent', 'core/session', 'core/system-prompt',
   'core/tools', 'core/agent-loop', 'llm/llm', 'bash/bash', 'bash/bash-local',
-  'bash/tool-bash', 'prompt/project-instructions', 'support/invariants', 'ui/app-boot',
+  'bash/tool-bash', 'prompt/workspace-context', 'support/invariants', 'ui/app-boot',
   'session-persistence/session-persistence',
   'session-persistence/session-persistence-jsonl', 'ui/stdio-agent', 'util/paths',
 ]

packages/ui/stdio-agent/tests/stdio-agent.spec.ts

@@ -62,8 +62,8 @@ describe('dsh-stdio-agent app', () => {
     const ctx = await mount({
       model: 'mock',
       persona: 'hi',
-      persistenceRoot: '/tmp/dsh-stdio-agent-spec-project-instructions',
-      projectInstructions: false,
+      persistenceRoot: '/tmp/dsh-stdio-agent-spec-workspace-context',
+      workspaceContext: false,
     })
     expect(ctx.get('agents')?.get(AgentId('main'))).toBeDefined()
     await ctx.fiber.dispose()