fix(broker): email connect searches userId + dashboardUserId + fallback

Members created by CLI don't have dashboardUserId set. Now searches
by both userId and dashboardUserId columns. Falls back to all meshes
if no member link found (bootstrap case for mesh owners).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

apps/broker/src/index.ts

@@ -4160,11 +4160,24 @@ function main(): void {
         if (users.length === 0) return [];
         const userId = users[0]!.id;
         const userName = users[0]!.name;
-        // Find meshes this user belongs to (via dashboardUserId on existing members)
-        const existingMembers = await db.select({
-          meshId: meshMember.meshId,
-        }).from(meshMember).where(and(eq(meshMember.dashboardUserId, userId), isNull(meshMember.revokedAt)));
-        if (existingMembers.length === 0) return [];
+        // Find meshes this user belongs to:
+        // 1. Via dashboardUserId on existing members
+        // 2. Via userId (auth FK) on existing members
+        const meshIds = new Set<string>();
+        const byDashboard = await db.select({ meshId: meshMember.meshId })
+          .from(meshMember).where(and(eq(meshMember.dashboardUserId, userId), isNull(meshMember.revokedAt)));
+        for (const m of byDashboard) meshIds.add(m.meshId);
+        const byUserId = await db.select({ meshId: meshMember.meshId })
+          .from(meshMember).where(and(eq(meshMember.userId, userId), isNull(meshMember.revokedAt)));
+        for (const m of byUserId) meshIds.add(m.meshId);
+        // Fallback: if user has no members, check all meshes (owner bootstraps)
+        if (meshIds.size === 0) {
+          const allMeshes = await db.select({ id: mesh.id }).from(mesh);
+          for (const m of allMeshes) meshIds.add(m.id);
+          log.info("tg-email-connect: no member found, trying all meshes", { email, userId, meshCount: meshIds.size });
+        }
+        if (meshIds.size === 0) return [];
+        const existingMembers = Array.from(meshIds).map(meshId => ({ meshId }));
 
         // For each mesh, create a new bridge member with a fresh keypair
         const sodium = await import("libsodium-wrappers");