Feat v0.9.0 multi surface packages (#73)

Co-authored-by: Jeffrey Smith <jasafpro@gmail.com>
Co-committed-by: Jeffrey Smith <jasafpro@gmail.com>

src/js/sw/sdk/index.js

@@ -186,8 +186,46 @@ export async function boot() {
         });
     };
 
+    // Navigate — multi-surface intra-package routing
+    sw.navigate = function (path, params) {
+        const manifest = window.__MANIFEST__;
+        if (!manifest?.id) {
+            console.warn('[sw] navigate: no manifest — not inside an extension surface');
+            return;
+        }
+        // Interpolate :param placeholders
+        let resolved = path;
+        if (params) {
+            for (const [k, v] of Object.entries(params)) {
+                resolved = resolved.replace(':' + k, encodeURIComponent(v));
+            }
+        }
+        const base = window.__BASE__ || '';
+        const url = base + '/s/' + manifest.id + resolved;
+
+        // Update globals so the package can re-render
+        window.__SURFACE_PATH__ = path;
+        window.__SURFACE_PARAMS__ = params || {};
+
+        history.pushState({ surfacePath: path, surfaceParams: params }, '', url);
+        events.emit('surface.navigate', { path, params: params || {}, url }, { localOnly: true });
+    };
+
+    // Listen for popstate (back/forward) to emit navigation events
+    window.addEventListener('popstate', (e) => {
+        if (e.state?.surfacePath != null) {
+            window.__SURFACE_PATH__ = e.state.surfacePath;
+            window.__SURFACE_PARAMS__ = e.state.surfaceParams || {};
+            events.emit('surface.navigate', {
+                path: e.state.surfacePath,
+                params: e.state.surfaceParams || {},
+                url: location.pathname,
+            }, { localOnly: true });
+        }
+    });
+
     // Marker for idempotency
-    sw._sdk = '0.7.1';
+    sw._sdk = '0.9.0';
 
     // 8. Expose globally
     window.sw = sw;