chore(deps): update pytest-cov requirement from >=4.1.0 to >=7.1.0

Updates the requirements on [pytest-cov](https://github.com/pytest-dev/pytest-cov) to permit the latest version.
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/pytest-dev/pytest-cov/compare/v4.1.0...v7.1.0)

---
updated-dependencies:
- dependency-name: pytest-cov
  dependency-version: 7.1.0
  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

@@ -107,7 +107,7 @@ dependencies = [
     # Development and testing (optional)
     "pytest>=7.4.0",
     "pytest-asyncio>=0.21.0",
-    "pytest-cov>=4.1.0",
+    "pytest-cov>=7.1.0",
     "pytest-mock>=3.12.0",
     "pytest-xdist>=3.3.0",
     "pytest-bdd>=7.0.0",
@@ -121,7 +121,7 @@ dependencies = [
 dev = [
     "pytest>=7.4.0",
     "pytest-asyncio>=0.21.0",
-    "pytest-cov>=4.1.0",
+    "pytest-cov>=7.1.0",
     "pytest-mock>=3.12.0",
     "pytest-xdist>=3.3.0",
     "pytest-bdd>=7.0.0",