Agents
VS Code 1.135 shows Copilot and Claude agent sessions started in other apps, and adds a second-opinion model command
VS Code 1.135 shipped 26 August with the Agents window defaulting to a single-pane side layout and session state surfaced as pills above the chat input showing changes, pull requests and artifacts. It now lists recent Copilot or Claude sessions started outside the editor, two by default, tunable via `chat.agentSessions.showExternal`. Two smaller items matter for anyone metering agent runs: the experimental `/rubber-duck` command asks a complementary model for a second opinion on the agent's work, and hovering the response footer gives a per-model breakdown of input, cached input and output tokens for that turn.
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