feat: coordinate persona language shell planning

product-source/hololake-platform/docs/ARCHITECTURE.md

@@ -167,6 +167,14 @@ Activation is validate-then-swap and preserves the previous valid package for ro
 not execute JavaScript and cannot request system-internal surfaces. Extending the host action bridge requires
 a new reviewed contract version.
 
+`src/lib/personaLanguageShellController.ts` is the source-level host coordinator beneath that presentation
+boundary. It resolves exactly one manifest-valid persona repository before selecting the manifest-pinned
+configured model, reads the public device-identity receipt only after those gates pass, compiles the wake
+binding, and finally invokes B0 partner deliberation. Unavailable, unbound, ambiguous, model-missing, identity,
+binding, and cognition failures stop at their own boundary; later stages are not invoked. Its successful result
+is still a language-goal projection, not permission to perform a reality action. This controller is not yet
+mounted into the desktop language shell and therefore does not establish runtime integration or acceptance.
+
 Tolaria is a personal knowledge and life management desktop app. It reads a vault of markdown files with YAML frontmatter and presents them in a four-panel UI inspired by Bear Notes.
 
 ## Design Principles