feat: prepare 2.2.0 with UI and execution fixes

Add dark theme, richer Markdown and readable plugin results.
Improve Android input evidence, response integrity and diagnostics.
Unify lifecycle, guidance receipts and evidence sources across clients.
Keep direct action dispatch without an added AI quota approval layer.
Align version metadata at 2.2.0 and bundle Helper 1.2.2.

Validation: 3063 backend tests before the version bump; 44 after.
Frontend: 317 tests and production build passed.

mcp_server/base.py

@@ -32,6 +32,7 @@ except Exception as exc:
 # Define the shared FastMCP instance for external IDE and agent clients.
 mcp = ArtemisFastMCP(
     "artemis",
+    strict_inputs=True,
     instructions=(
         "ARTEMIS executes Android, computer and mixed tests with Flash, Pro or interactive exploration. The user starts the service; MCP only connects. Use the official artemis-use Skill for workflows and plugin development. "
         "For the full workflow use mobile_workspace (devices/queue), mobile_config (non-secret saved defaults), "