Merge branch 'codex/invariant-service-seam' into codex/invariant-package-registration-gate

packages/core/session/tests/session.spec.ts

@@ -48,7 +48,7 @@ describe('Session', () => {
     expect(structuredClone(turnEnd.data.reason)).toEqual({ kind: 'max-tokens' })
   })
 
-  it('renders context and steering messages as tagged synthetic user content', () => {
+  it('renders context and steering messages as plain user content', () => {
     const session = new Session(SessionId('s2'))
     session.append('context/message', {
       content: [{ type: 'text', text: 'file changed: a.ts' }],
@@ -62,12 +62,12 @@ describe('Session', () => {
 
     const [contextMessage, steeringMessage] = session.deriveMessages()
     expect(contextMessage!.role).toBe('user')
-    expect(contextMessage!.content[0]).toMatchObject({ type: 'text', text: '<context source="plugin">' })
-    expect(contextMessage!.content.at(-1)).toMatchObject({ type: 'text', text: '</context>' })
-    expect(steeringMessage!.content[0]).toMatchObject({ type: 'text', text: '<steering source="user">' })
+    expect(contextMessage!.content).toEqual([{ type: 'text', text: 'file changed: a.ts' }])
+    expect(steeringMessage!.role).toBe('user')
+    expect(steeringMessage!.content).toEqual([{ type: 'text', text: 'focus on tests' }])
   })
 
-  it('renders raw context without a generic envelope while preserving structured metadata', () => {
+  it('keeps context meta durable in the event while hiding it from the projection', () => {
     const session = new Session(SessionId('s2-raw'))
     const meta = {
       kind: 'workspace-instructions',
@@ -77,7 +77,6 @@ describe('Session', () => {
     session.append('context/message', {
       content: [{ type: 'text', text: '<system-reminder>Additional instructions from: pkg/AGENTS.md</system-reminder>' }],
       source: { kind: 'plugin', plugin: 'workspace-context' },
-      envelope: 'raw',
       meta,
     }, { surfaceOp: 'append' })