docs: replace stale MVP-scaffold README with the current v0.70 reality

Signed-off-by: flemming-it <stefan.a.flemming@googlemail.com>

README.md

@@ -1,44 +1,62 @@
 # Ch∆In Studio
 
 Desktop GUI client for the Ch∆In Platform hub. Tier-2 generic
-platform client per `docs/architecture/client.md`. Connects to a
+platform client per `docs/architecture/client.md` in the
-local or remote `chain serve` over gRPC.
+platform repo. Connects to a local or remote `chain serve` over
+gRPC / gRPC-Web.
 
-> **Status (2026-05-05):** MVP scaffold. Three pages with mock
+> **Status:** live product (v0.70+). Every page talks to the hub
-> data, no live gRPC connection yet. Validates the visual
+> through [`chain_client_sdk`](../fai_chain_client_sdk_dart);
-> direction before the Dart SDK is wired in.
+> there is no mock data. End users launch Studio via
+> `chain studio`, which downloads and verifies a prebuilt bundle
+> from the release mirror (sha256 + signature) or rebuilds from
+> source when a dev workspace is configured.
 
-## Pages (MVP scope)
+## Pages
 
-1. **Modules** — installed modules, capabilities, declared
+1. **Welcome** — onboarding checklist, guided setup wizard,
-   permissions. Click → manifest detail.
+   bundled documentation reader.
-2. **Audit** — live stream of hub events (when wired). Filter
+2. **Store** — browse/search/install modules across multiple
-   by event type and flow.
+   stores (pinned publisher keys, private sources, AI AskBar);
-3. **Approvals** — pending `system.approval@^0` reviews with
+   installed modules live here as a filter.
-   approve / reject buttons.
+3. **Flows** — graph + text flow editor with a live Run tab
+   (streamed step events, inline approvals). Editor ships as the
+   [`chain_studio_flow_editor`](../fai_chain_studio_flow_editor)
+   package.
+4. **Audit** — live event stream (`StreamEvents`) with filters,
+   hash-chain verification, gated log reset.
+5. **Approvals** — pending `system.approval@^0` reviews with
+   approve / reject and payload disclosure.
+6. **Doctor** — diagnostics, daemon lifecycle, binary recovery.
+7. **Föderation** — satellite list, bootstrap-token enrolment,
+   revocation.
 
-These three cover the platform's central properties:
+Plus: settings dialog (System-AI, integrations/MCP/n8n,
-**composition** (modules), **audit** (events),
+security, maintenance), Cmd+K palette, release-channel switcher.
-**human-in-the-loop** (approvals).
 
 ## Stack
 
 - Flutter 3.40+ (Desktop: macOS, Linux, Windows)
-- gRPC client via [`chain_client_sdk`](../fai_chain_client_sdk_dart) (sibling
+- gRPC client via [`chain_client_sdk`](../fai_chain_client_sdk_dart)
-  repo; pinned by relative path during development)
+  (sibling repo; pinned by relative path during development)
 - No external runtime dependencies; bundles its own Dart VM
 
 ## Run locally
 
 ```bash
-flutter run -d macos
+flutter run -d macos      # or -d linux / -d windows
+flutter test
 ```
 
+`chain studio` prefers a configured dev workspace and will
+`flutter run` from source when one resolves — see
+`crates/chain_runtime_mgmt` in the platform repo.
+
 ## Repo placement
 
-Will be published as `fai/studio` on Forgejo (`git.flemming.ws`).
+Published as `fai/chain-studio` on Forgejo (`git.flemming.ai`).
-The local directory `chain_studio/` follows the established
+The local directory follows the established `fai_chain_*` layout
-`fai_chain/` layout convention.
+convention.
 
 ## Why "Studio" and not "Stage"
 
@@ -46,5 +64,4 @@ The local directory `chain_studio/` follows the established
 developer English. "Studio" is the established industry pattern
 for creator-tools (Visual Studio, Android Studio, RStudio) and
 matches the GUI's audience of module developers, operators, and
-power users. The rename was applied across all `docs/` in the
+power users.
-platform repo on 2026-05-05.