Add application read models and thin TUI command adapter

docs/PROJECT_LAYOUT.md

@@ -34,6 +34,7 @@ src/
     draft.rs               # Coordinated in-memory document, client-state, and vault drafts
     first_delivery.rs      # Session-local first-issue authorization and retry state
     first_file.rs          # Password-free first-file and optional QR scenario
+    read_model.rs          # Secret-free application facts and per-action eligibility
     reissue.rs             # Per-action vault authentication and saved-client delivery
     commit.rs              # Prepare, backup, install, and publish saved-state Commit
     restore.rs             # Bound preview and confirmed saved-state replacement
@@ -51,7 +52,9 @@ src/
   tui.rs                   # Terminal UI entry point
   tui/
     state.rs               # Screen state and navigation
-    events.rs              # Keyboard and background events
+    events.rs              # Commands, worker lifecycle, and background events
+    events/
+      executor.rs          # Application command adaptation and prepared contexts
     forms.rs               # Short-lived forms and secret owners
     render.rs              # Rendering
     terminal.rs            # Terminal setup and cleanup