diff --git a/apps/web/src/App.tsx b/apps/web/src/App.tsx
index 00c2aa0..ee6af86 100644
--- a/apps/web/src/App.tsx
+++ b/apps/web/src/App.tsx
@@ -1,3 +1,4 @@
+// Copyright (c) 2026 Sub Rosa contributors
 import { useEffect, useState } from "react";
 import { getUseCase } from "./config/useCases";
 import type { UseCaseId } from "./config/useCases";
diff --git a/apps/web/src/components/AgentPanels.tsx b/apps/web/src/components/AgentPanels.tsx
index 119ef82..b5f1ddd 100644
--- a/apps/web/src/components/AgentPanels.tsx
+++ b/apps/web/src/components/AgentPanels.tsx
@@ -1,3 +1,4 @@
+// Copyright (c) 2026 Sub Rosa contributors
 import type { DemoTrace } from "../demo/trace";
 import { shortAddr, shortHash, usdc } from "../lib/format";
 
diff --git a/apps/web/src/components/AttackDemo.tsx b/apps/web/src/components/AttackDemo.tsx
index 6991ad2..9e2163b 100644
--- a/apps/web/src/components/AttackDemo.tsx
+++ b/apps/web/src/components/AttackDemo.tsx
@@ -1,3 +1,4 @@
+// Copyright (c) 2026 Sub Rosa contributors
 import { useState } from "react";
 import type { AttackStep } from "../lib/demoTypes";
 import { useToast } from "../ui/Toast";
diff --git a/apps/web/src/components/AuditorView.tsx b/apps/web/src/components/AuditorView.tsx
index a75d630..e3c4bf2 100644
--- a/apps/web/src/components/AuditorView.tsx
+++ b/apps/web/src/components/AuditorView.tsx
@@ -1,3 +1,4 @@
+// Copyright (c) 2026 Sub Rosa contributors
 import { useMemo, useState } from "react";
 import type { DemoTrace } from "../demo/trace";
 import { shortAddr } from "../lib/format";
diff --git a/apps/web/src/components/CohortPanel.tsx b/apps/web/src/components/CohortPanel.tsx
index 54acafc..64124ef 100644
--- a/apps/web/src/components/CohortPanel.tsx
+++ b/apps/web/src/components/CohortPanel.tsx
@@ -1,3 +1,4 @@
+// Copyright (c) 2026 Sub Rosa contributors
 import { useEffect, useState } from "react";
 import { AnimatePresence, motion } from "framer-motion";
 import type { Peer, UseCase } from "../config/useCases";
diff --git a/apps/web/src/components/ConfigBanner.tsx b/apps/web/src/components/ConfigBanner.tsx
index d4b9ce8..5d7e1be 100644
--- a/apps/web/src/components/ConfigBanner.tsx
+++ b/apps/web/src/components/ConfigBanner.tsx
@@ -1,3 +1,4 @@
+// Copyright (c) 2026 Sub Rosa contributors
 import { useEffect, useState } from "react";
 import { validatePublicConfig, type ConfigIssue } from "../lib/config";
 
diff --git a/apps/web/src/components/DrandCountdownChip.tsx b/apps/web/src/components/DrandCountdownChip.tsx
index d22d98f..a761d2c 100644
--- a/apps/web/src/components/DrandCountdownChip.tsx
+++ b/apps/web/src/components/DrandCountdownChip.tsx
@@ -1,3 +1,4 @@
+// Copyright (c) 2026 Sub Rosa contributors
 import { formatCountdown, useDrandCountdown } from "../hooks/useDrandCountdown";
 
 type ChipMode = "live-round" | "proof" | "idle";
diff --git a/apps/web/src/components/LifecycleView.tsx b/apps/web/src/components/LifecycleView.tsx
index 0c62c15..c3ed7e4 100644
--- a/apps/web/src/components/LifecycleView.tsx
+++ b/apps/web/src/components/LifecycleView.tsx
@@ -1,3 +1,4 @@
+// Copyright (c) 2026 Sub Rosa contributors
 import type { DemoTrace } from "../demo/trace";
 import { formatCountdown, useDrandCountdown } from "../hooks/useDrandCountdown";
 import { phaseIcon, usdc } from "../lib/format";
diff --git a/apps/web/src/components/MainnetProofCard.tsx b/apps/web/src/components/MainnetProofCard.tsx
index cf9ac18..160b7f5 100644
--- a/apps/web/src/components/MainnetProofCard.tsx
+++ b/apps/web/src/components/MainnetProofCard.tsx
@@ -1,3 +1,4 @@
+// Copyright (c) 2026 Sub Rosa contributors
 import { MAINNET_ARTIFACTS } from "@sub-rosa/sdk";
 import { shortAddr } from "../lib/format";
 
diff --git a/apps/web/src/components/MandateCapLab.tsx b/apps/web/src/components/MandateCapLab.tsx
index a8a4480..5281252 100644
--- a/apps/web/src/components/MandateCapLab.tsx
+++ b/apps/web/src/components/MandateCapLab.tsx
@@ -1,3 +1,4 @@
+// Copyright (c) 2026 Sub Rosa contributors
 import { useState } from "react";
 import { CAP_SAFETY_COPY } from "../demo/trace";
 import type { CapDemoResult } from "../lib/demoTypes";
diff --git a/apps/web/src/components/ObserverView.tsx b/apps/web/src/components/ObserverView.tsx
index b4eb05d..6732e01 100644
--- a/apps/web/src/components/ObserverView.tsx
+++ b/apps/web/src/components/ObserverView.tsx
@@ -1,3 +1,4 @@
+// Copyright (c) 2026 Sub Rosa contributors
 import type { DemoTrace } from "../demo/trace";
 import { isTraceSettled } from "../demo/trace";
 import type { LiveSnapshot } from "../hooks/useLiveRound";
diff --git a/apps/web/src/components/OutcomePanel.tsx b/apps/web/src/components/OutcomePanel.tsx
index 1fefc59..670abe8 100644
--- a/apps/web/src/components/OutcomePanel.tsx
+++ b/apps/web/src/components/OutcomePanel.tsx
@@ -1,3 +1,4 @@
+// Copyright (c) 2026 Sub Rosa contributors
 import { motion } from "framer-motion";
 import type { UseCase } from "../config/useCases";
 
diff --git a/apps/web/src/components/PasskeyPanel.tsx b/apps/web/src/components/PasskeyPanel.tsx
index 7dcbb28..0b2ecb9 100644
--- a/apps/web/src/components/PasskeyPanel.tsx
+++ b/apps/web/src/components/PasskeyPanel.tsx
@@ -1,3 +1,4 @@
+// Copyright (c) 2026 Sub Rosa contributors
 import { useMemo, useState } from "react";
 import { CAP_SAFETY_COPY } from "../demo/trace";
 import {
diff --git a/apps/web/src/components/RoundStatusBadge.tsx b/apps/web/src/components/RoundStatusBadge.tsx
index 44c08c2..aaf3f81 100644
--- a/apps/web/src/components/RoundStatusBadge.tsx
+++ b/apps/web/src/components/RoundStatusBadge.tsx
@@ -1,3 +1,4 @@
+// Copyright (c) 2026 Sub Rosa contributors
 import type { BadgeState } from "../lib/round-status";
 
 export interface RoundStatusBadgeProps {
diff --git a/apps/web/src/components/SettlementRail.tsx b/apps/web/src/components/SettlementRail.tsx
index 6752ba3..5045f86 100644
--- a/apps/web/src/components/SettlementRail.tsx
+++ b/apps/web/src/components/SettlementRail.tsx
@@ -1,3 +1,4 @@
+// Copyright (c) 2026 Sub Rosa contributors
 import type { DemoTrace } from "../demo/trace";
 import { usdc } from "../lib/format";
 
diff --git a/apps/web/src/components/dashboard/BidderProgressCard.tsx b/apps/web/src/components/dashboard/BidderProgressCard.tsx
index 4546581..59018c7 100644
--- a/apps/web/src/components/dashboard/BidderProgressCard.tsx
+++ b/apps/web/src/components/dashboard/BidderProgressCard.tsx
@@ -1,3 +1,4 @@
+// Copyright (c) 2026 Sub Rosa contributors
 import { shortAddr, usdc } from "../../lib/format";
 import type { DashboardData } from "../../dashboard/types";