feat: restructure as pnpm monorepo with Tauri desktop shell

- Migrate to packages/web + packages/desktop workspace layout via git mv
- Add Tauri v2 desktop shell with @tauri-apps/plugin-http for CORS bypass
- Configure Turborepo with package-level dependsOn build graph
- Add semantic-release with exec plugin for GHA output and disabled PR comments
- Fix http:default capability scope to allow all HTTP/HTTPS origins
- Add Vite Tauri integration (clearScreen, TAURI_DEV_HOST, target, envPrefix)
- Add semantic-release.yml and release.yml GitHub Actions workflows
- Fix all Biome lint errors (noArrayIndexKey, noNonNullAssertion, button types)

CLAUDE.md

@@ -1,4 +1,4 @@
-# honcho-ui
+# openconcho
 
 Frontend UI for self-hosted Honcho instances — browse memories, peers, sessions, conclusions, and chat with memory context.
 
@@ -40,7 +40,7 @@ Read `docs/architecture.md` for component overview, data flow, and design decisi
 
 ## Key Constraints
 
-- **No hardcoded URLs** — all connection config lives in `localStorage` under `honcho-ui:config`
+- **No hardcoded URLs** — all connection config lives in `localStorage` under `openconcho:config`
 - **TanStack Router flat-route params** — always cast `params` as `as never` at `navigate()` and `<Link>` callsites
 - **`framer-motion` Variants typing** — import `type Variants` and annotate objects; never use `as const` on variant objects
 - **Auth is optional** — token header only sent when non-empty; `checkConnection()` detects if auth is required