Merge remote-tracking branch 'origin/master' into codex/skill-system

# Conflicts:
#	docs/event-producer-consumer.md
#	docs/module-graph.md
#	docs/rfc/README.md
#	packages/core/agent-core/package.json
#	packages/core/agent-core/src/index.ts
#	packages/core/agent-loop/README.md
#	packages/core/agent-loop/src/index.ts
#	packages/ui/acp-agent/src/index.ts
#	packages/ui/acp-agent/tests/acp-agent.spec.ts
#	packages/ui/stdio-agent/README.md
#	packages/ui/stdio-agent/src/index.ts
#	packages/ui/stdio-agent/tests/stdio-agent.spec.ts

packages/ui/acp-agent/tests/load-path.e2e.ts

@@ -54,7 +54,7 @@ const CORDIS_YML = `
   name: '@deepseek-ai/dsh-acp-agent'
   config:
     model: deepseek-v4-flash
-    systemPrompt: 'You are a test agent.'
+    persona: 'You are a test agent.'
 `
 
 interface Spawned {