refactor(ptc): align runtime packages and services with PTC naming

packages/experimental/README.md

@@ -28,7 +28,7 @@ The experimental group contains prototype capabilities whose contracts can chang
 | [`agent-team`](agent-team/README.md) | Named teammates with durable messages and a shared task board | `ctx.agentTeams` |
 | [`agent-team-web-profile`](agent-team-web-profile/README.md) | Published opt-in Web layer for Agent Teams | — |
 | [`client-ui-agent-team`](client-ui-agent-team/README.md) | Team roster, task board, and teammate navigation for Web | — |
-| [`code-runtime-python`](code-runtime-python/README.md) | CPython subprocess backend for the code-execution seam | `ctx.codeRuntime` |
+| [`ptc-runtime-python`](ptc-runtime-python/README.md) | CPython subprocess backend for the code-execution seam | `ctx.ptcRuntime` |
 | [`inspector`](inspector/README.md) | Cross-realm CDP hub for Host debugging, Client Runtime inspection, network capture, and Cordis trees | `ctx.inspector` |
 | [`tool-agent-team`](tool-agent-team/README.md) | Nine tools that let the model create, message, and coordinate teammates | registers scoped tools on `ctx.tools` |
 | [`webworker-packer`](webworker-packer/README.md) | Builds the gzip-compressed VFS image consumed by the browser worker preview | library and CLI — no ctx key |