Merge remote-tracking branch 'github/master' into feat/agent-event-payload

packages/context/tmux-context/src/index.ts

@@ -232,12 +232,13 @@ export function apply(ctx: Context, config: Config): void {
     if (location === undefined) return decision
     const state = renderState(location)
     if (previous !== undefined && previous.state === state) return decision
+    const text = renderReading(location, turn)
     return {
       kind: 'enter',
       messages: [
         createUserMessage({
-          content: [{ type: 'text', text: renderReading(location, turn) }],
-          source: { kind: 'plugin', plugin: name },
+          content: [{ type: 'text', text }],
+          source: { kind: 'plugin', plugin: name, form: 'snapshot', sections: [{ name, text }] },
         }),
         ...decision.messages,
       ],

packages/context/tmux-context/tests/tmux-context.spec.ts

@@ -169,7 +169,14 @@ describe('tmux-context injection', () => {
     ])
     const event = session.events.at(-1)
     if (event?.type !== 'user/message') throw new Error('missing tmux context')
-    expect(event.data.source).toEqual({ kind: 'plugin', plugin: 'tmux-context' })
+    // `snapshot` form: one named contribution carrying exactly the reading the
+    // model saw, so a consumer attributes it without re-splitting prose.
+    expect(event.data.source).toMatchObject({
+      kind: 'plugin',
+      plugin: 'tmux-context',
+      form: 'snapshot',
+      sections: [{ name: 'tmux-context' }],
+    })
     expect(event.surfaceOp).toBe('append')
   })