Scaffold full-stack solution and CI baseline

TECH.md

@@ -1,5 +1,14 @@
 # TECH - Kickoff Blueprint
 
+## 0) Current scaffold status
+
+- Root solution: `RpgRoller.sln`
+- Backend/full-stack project: `RpgRoller` (Minimal API + static `wwwroot` frontend)
+- Test project: `RpgRoller.Tests` (xUnit + `WebApplicationFactory` integration tests)
+- OpenAPI source: `openapi/RpgRoller.json`
+- Generated client target: `RpgRoller/wwwroot/generated/api-client.js`
+- Local CI parity entrypoint: `scripts/ci-local.ps1`
+
 ## 1) Stack and baseline choices
 
 - ASP.NET Core Minimal API on .NET 10.
@@ -170,4 +179,3 @@ Avoid:
 - Unbounded in-memory caches.
 - Synchronous external network checks on hot write paths.
 - Manual API contract duplication between docs/frontend/backend.
-