fix(mcp): advertise standard route path schemas

src/domain/javascript/javascriptRouteFacts.ts

@@ -16,7 +16,7 @@ export const javaScriptRouteSegmentSchema = z.strictObject({
   origin: z.enum(["literal", "property-name", "next-app-path"]),
 });
 export const javaScriptRouteCandidateSchema = z.strictObject({
-  path: z.string().startsWith("/"),
+  path: z.string().regex(/^\//u),
   mechanism: javaScriptRouteMechanismSchema,
   confidence: z.enum(["low", "medium", "high"]),
   derivation: z.enum(["literal", "joined", "inferred"]),