chore: establish Strategy Lab source baseline (development, not release)

1 files changed, 43 insertions, 0 deletions

diff --git a/frontend/src/lib/router.ts b/frontend/src/lib/router.ts
new file mode 100644
index 0000000..3c2631a
--- /dev/null
+++ b/frontend/src/lib/router.ts
@@ -0,0 +1,43 @@
+export interface Route {
+  name: string;
+  params: Record<string, string>;
+  query: URLSearchParams;
+}
+
+export function routeFromHash(): Route {
+  const raw = window.location.hash.replace(/^#/, '') || '/login';
+  const [pathPart, queryPart] = raw.split('?');
+  const segments = pathPart.split('/').filter(Boolean);
+  const query = new URLSearchParams(queryPart ?? '');
+  if (segments[0] === 'login' || segments.length === 0) return { name: 'login', params: {}, query };
+  if (segments[0] === 'register') return { name: 'register', params: {}, query };
+  if (segments[0] === 'reset') return { name: 'reset', params: {}, query };
+  if (segments[0] === 'account') return { name: 'account', params: {}, query };
+  if (segments[0] === 'admin') return { name: 'admin', params: {}, query };
+  if (segments[0] === 'datasets') return { name: 'datasets', params: {}, query };
+  if (segments[0] === 'runs') return { name: 'runs', params: {}, query };
+  if (segments[0] === 'usage') return { name: 'usage', params: {}, query };
+  if (segments[0] === 'projects') {
+    if (!segments[1]) return { name: 'projects', params: {}, query };
+    const id = segments[1];
+    const tab = segments[2] ?? 'data';
+    if (['data', 'strategy', 'backtest', 'results'].includes(tab)) {
+      return { name: `project-${tab}`, params: { id }, query };
+    }
+    return { name: 'project-data', params: { id }, query };
+  }
+  return { name: 'login', params: {}, query };
+}
+
+export function go(path: string) {
+  if (!path.startsWith('#')) path = `#${path.startsWith('/') ? path : `/${path}`}`;
+  window.location.hash = path;
+}
+
+export function replace(path: string) {
+  go(path);
+}
+
+export function projectPath(id: string, tab: 'data' | 'strategy' | 'backtest' | 'results') {
+  return `/projects/${id}/${tab}`;
+}