chore(deps): update structlog requirement from >=23.2.0 to >=25.5.0

Updates the requirements on [structlog](https://github.com/hynek/structlog) to permit the latest version.
- [Release notes](https://github.com/hynek/structlog/releases)
- [Changelog](https://github.com/hynek/structlog/blob/main/CHANGELOG.md)
- [Commits](https://github.com/hynek/structlog/compare/23.2.0...25.5.0)

---
updated-dependencies:
- dependency-name: structlog
  dependency-version: 25.5.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

examples/README.md

@@ -54,17 +54,3 @@ python examples/environment/room_monitor.py --csi-port COM7 --mmwave-port COM4
 # CSI only (no mmWave)
 python examples/ruview_live.py --csi COM7 --mmwave none
 ```
-
-## Web UI
-
-| Example | Stack | What It Does |
-|---------|-------|-------------|
-| [**frontend/**](frontend/) | Lit 3 + TypeScript + Vite | HOMECORE web UI — Home Assistant–style dashboard for the sensing stack (ADR-131). Mirrors the cognitum-v0 appliance design system. |
-
-```bash
-cd examples/frontend
-npm install
-npm run dev    # http://localhost:5173 — proxies /api → http://localhost:8123
-```
-
-See [examples/frontend/README.md](frontend/README.md) for the full layout and design tokens.

pyproject.toml

@@ -89,7 +89,7 @@ dependencies = [
     
     # Monitoring and logging
     "prometheus-client>=0.19.0",
-    "structlog>=23.2.0",
+    "structlog>=25.5.0",
     "psutil>=5.9.0",
     
     # HTTP client