fix: remove unsupported --ci flags causing CI build failures

- Remove --ci flags from nx affected commands in GitHub Actions workflow
- Add workspace root build target to prevent nx run-many build failures
- Fixes tsc, tsup, and vitest unknown option errors in CI

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: jonphipps

.github/workflows/nx-optimized-ci.yml

@@ -57,16 +57,16 @@ jobs:
           pids=()
           
           # Type checking
-          npx nx affected --target=typecheck --parallel=3 --ci --verbose & pids+=($!)
+          npx nx affected --target=typecheck --parallel=3 --verbose & pids+=($!)
           
           # Linting
-          npx nx affected --target=lint --parallel=3 --ci --verbose & pids+=($!)
+          npx nx affected --target=lint --parallel=3 --verbose & pids+=($!)
           
           # Unit tests
-          npx nx affected --target=test --parallel=3 --ci --verbose & pids+=($!)
+          npx nx affected --target=test --parallel=3 --verbose & pids+=($!)
           
           # Build affected projects
-          npx nx affected --target=build --parallel=3 --ci --verbose & pids+=($!)
+          npx nx affected --target=build --parallel=3 --verbose & pids+=($!)
           
           # Wait for all jobs to complete
           for pid in "${pids[@]}"; do

project.json

@@ -141,6 +141,13 @@
         "parallel": false
       },
       "cache": true
+    },
+    "build": {
+      "executor": "nx:run-commands",
+      "options": {
+        "command": "echo 'Workspace root - no build needed'"
+      },
+      "cache": true
     }
   }
 }