test(05-01): scaffold routing workspace with failing contract suite

- fifth npm workspace @araharah/routing (buildless TS, search/ precedent)
- root delegates routing:test / routing:typecheck / routing:corpus
- C1-C6 RED: contract gates fail while src/types.ts + seed are absent

routing/tsconfig.json

@@ -0,0 +1,17 @@
+{
+  "compilerOptions": {
+    "target": "ES2023",
+    "lib": ["ES2023"],
+    "module": "ESNext",
+    "moduleResolution": "bundler",
+    "strict": true,
+    "noUncheckedIndexedAccess": true,
+    "verbatimModuleSyntax": true,
+    "allowImportingTsExtensions": true,
+    "noEmit": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true,
+    "resolveJsonModule": true
+  },
+  "include": ["src", "test"]
+}