[ymote]

Summary

Docs only: phone/README.md and phone/README.zh-CN.md say how App Studio is used now that milestone 1 (#477) is on main, and what still needs a computer.

• The sentence that called milestone 1 "in progress" now says it is merged and what a development build gives: the studio.* tools to the system agent, and to an app's own agent for that app; the full phone authoring loop is still not available.
• A new paragraph, Using App Studio today: it exists in development builds only, so it takes a developer Home on the phone (built as the section above describes, installed beside the store Home); developer mode is turned on in that build (About phone, Build number seven times, Developer options, the confirmation phrase, Turn on); from then on the loop runs on the phone through the system agent's chat (check, preview, tap and type, inspect, fix, install as a launcher tile, uninstall), with a link to the walkthrough's tool table. A computer is needed only to build and install that Home and, for device evidence, to run the two harnesses. A developer-mode Home APK published with a Home release would remove the build step but would still be a download and an install, since the updater refuses test packages. The non-developer experience (describe an app, get one made on the phone) remains ADR 0006's later slices.

Sources: the merged code (dev_mode.rs for the activation path and phrase, launch_input.rs for the development-build gate, docs/updater.md for the refused test packages) and the Xiaomi re-validation.

An independent language judge scored the English and Chinese additions; its replacements are applied. No workflow is triggered by these paths.

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