peach-browser / src / background @ 084ea5aa4cd2

messages.ts

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1/**2 * messages.ts — the only background message handler.3 *4 * All `chrome.runtime.onMessage` handling for the service worker lives here.5 * Do not handle messages inline in entry.ts, alarms.ts, or any other6 * background file. Every background-bound MessageType in shared/types.ts7 * must have a case below. Content-script-bound message types (PING,8 * SUMMON_AUTOFILL, VAULT_LOCKED) are documented in shared/types.ts and9 * intentionally have no case here — they are sent *to* content scripts.10 */1112import { copyToClipboard } from "./clipboard";13import { setupAutoLock, touchAutoLock } from "./alarms";14import * as vault from "./vault";15import * as syncLifecycle from "./sync-lifecycle";16import {17  activateLicense,18  deactivateLicense,19  getLicenseInfo,20  getLicenseKey,21  isProUser,22  markCelebrationPlayed,23  shouldPlayCelebration,24} from "./license";25import {26  cancelFirefoxPasskeyCreate,27  completeFirefoxPasskeyCreate,28  getPasskeyProviderState,29  getPendingPasskeyRequest,30  handleFirefoxPasskeyCreate,31  handleFirefoxPasskeyGet,32  handlePasskeyHasCredentials,33  initiateFirefoxPasskeyCreate,34  isPasskeyOfferDeclined,35  recordPasskeyOfferDecline,36  resolvePendingPasskeyRequest,37  setPasskeyProviderEnabled,38} from "./passkey";39import { buildAdvancedHealthReport, resolveResetUrl } from "./health";40import { Capacitor } from "@capacitor/core";41import { storageClear } from "../shared/storage";42import type {43  Message,44  MessageResponse,45  MessageType,46  ProFeature,47} from "../shared/types";48import { isPasskeyOnly } from "../shared/types";49import type { SyncStatus } from "../shared/sync-types";5051/**52 * The single Pro gate. Every gated handler calls this first; the broadcast53 * lets the popup react (navigate to the License section, highlight the54 * relevant feature). Background never touches the popup view directly —55 * the popup owns navigation. See Projects.md "Pro gate rule".56 */57async function requirePro(58  feature: ProFeature,59  trigger: "user" | "background" = "user"60): Promise<{ allowed: boolean }> {61  if (await isProUser()) return { allowed: true };6263  if (trigger === "user") {64    // User deliberately triggered this feature — redirect the popup immediately.65    if (!Capacitor.isNativePlatform()) {66      chrome.runtime67        .sendMessage({ type: "PRO_GATE_TRIGGERED", payload: { feature } })68        .catch(() => {69          // Popup may be closed — the gate signal is best-effort.70        });71    }72  } else {73    // Background trigger (e.g. passive sync initiation) — no popup is open.74    // Queue a notice so the next popup open shows a soft banner instead of75    // silently failing.76    if (!Capacitor.isNativePlatform() && chrome.storage.session) {77      chrome.storage.session78        .set({ pendingProNotice: { feature, triggeredAt: Date.now() } })79        .catch(() => {});80    }81  }8283  return { allowed: false };84}8586// ---------------------------------------------------------------------------87// Local device name. Peers see this string in PAIR_REQUEST / PAIR_ACCEPT and88// next to the device in their paired-devices list. Default to a platform-aware89// fallback when the user hasn't set one explicitly.90const DEVICE_NAME_KEY = "peach_device_name";9192async function getLocalDeviceName(): Promise<string> {93  try {94    const stored = await chrome.storage.local.get(DEVICE_NAME_KEY);95    const value = (stored as Record<string, string | undefined>)[DEVICE_NAME_KEY];96    if (typeof value === "string" && value.trim()) return value.trim();97  } catch {98    // fall through to default99  }100  if (Capacitor.getPlatform() === "android") return "Peach Android";101  if (Capacitor.getPlatform() === "ios") return "Peach iOS";102  return "Peach";103}104105// ---------------------------------------------------------------------------106// 6-digit code pairing.107108const PAIRING_TOKEN_TTL_MS = 5 * 60 * 1000;109110// Active Android show-mode pairing handle, if any. Held module-locally so111// STOP_PAIRING_SERVER can tear it down without round-tripping through112// Kotlin storage. Cleared on success, on stop, and when the SW restarts113// (the Kotlin server dies with the app process anyway).114let activeAndroidPairingHandle: { stop: () => Promise<void> } | null = null;115116function generateSixDigitToken(): string {117  // crypto.getRandomValues, not Math.random — the token is the only secret118  // protecting the pairing window from a same-LAN attacker. 6 decimal digits119  // is 1 in 1,000,000; combined with a 5-minute TTL and pairing-mode gating120  // on the responder this is the right tradeoff between UX and security.121  const buf = new Uint32Array(1);122  crypto.getRandomValues(buf);123  const value = buf[0] % 1_000_000;124  return value.toString().padStart(6, "0");125}126127// ---------------------------------------------------------------------------128// Peer discovery glue (Phase 7 popup pairing flow).129//130// The popup opens discovery via START_PEER_DISCOVERY. We connect to the131// native sync host, subscribe once, and re-broadcast every PEER_DISCOVERED /132// PEER_LOST event to the popup as a SYNC_PEER_DISCOVERED / SYNC_PEER_LOST133// runtime message. The popup is the only consumer; if it closes, STOP is134// sent on cleanup which tears down subscriptions and the native discovery.135// ---------------------------------------------------------------------------136137let peerDiscoverySubscriptions: Array<() => void> = [];138139async function startPeerDiscoveryForPopup(): Promise<void> {140  await stopPeerDiscoveryForPopup();141  const sync = await import('./sync');142  const { getPairedDevices } = await import('./sync-storage');143  sync.connectSyncHost();144145  const unsubDiscovered = sync.onPeerDiscovered((peer) => {146    void (async () => {147      const paired = await getPairedDevices();148      const alreadyPaired = paired.some((d) => d.deviceId === peer.deviceId);149      if (Capacitor.isNativePlatform()) return;150      chrome.runtime151        .sendMessage({152          type: "SYNC_PEER_DISCOVERED",153          peer: {154            deviceId: peer.deviceId,155            deviceName: peer.name,156            host: peer.host,157            port: peer.port,158            wsPort: peer.wsPort,159            x25519PublicKey: peer.x25519PublicKey,160            alreadyPaired,161          },162        })163        .catch(() => {});164    })();165  });166  const unsubLost = sync.onPeerLost((deviceId) => {167    if (Capacitor.isNativePlatform()) return;168    chrome.runtime169      .sendMessage({ type: "SYNC_PEER_LOST", deviceId })170      .catch(() => {});171  });172  peerDiscoverySubscriptions = [unsubDiscovered, unsubLost];173  sync.discoverPeers();174}175176async function stopPeerDiscoveryForPopup(): Promise<void> {177  for (const unsub of peerDiscoverySubscriptions) unsub();178  peerDiscoverySubscriptions = [];179  try {180    const sync = await import('./sync');181    if (sync.isHostConnected()) {182      await sync.stopDiscovery();183    }184  } catch {185    // best-effort186  }187}188189const PRIVATE_IPV4_RANGES = [190  { prefix: "10." },191  { prefix: "127." },192  { prefix: "169.254." },193  { prefix: "192.168." },194];195196// Empty disables network submission while the UI continues to function as a197// no-op (the handler returns ok:true without calling fetch). When set, the198// URL is validated by `isAllowedCanaryWebhookUrl` before any request, so the199// same private-IP/HTTPS rules that gate canary webhooks apply here.200const FEEDBACK_ENDPOINT = "";201202export function setupMessageHandler(): void {203  chrome.runtime.onMessage.addListener(204    (msg: unknown, sender, sendResponse) => {205      if (!isMessage(msg)) {206        sendResponse({ ok: false, error: "invalid message" });207        return true;208      }209      handleMessage(msg, sender)210        .then(sendResponse)211        .catch((err) =>212          sendResponse({213            ok: false,214            error: err instanceof Error ? err.message : String(err),215          })216        );217      return true;218    }219  );220}221222function isMessage(m: unknown): m is Message {223  return typeof m === "object" && m !== null && "type" in m;224}225226export async function handleMessage(227  msg: Message,228  sender: Partial<chrome.runtime.MessageSender> = {}229): Promise<MessageResponse> {230  try {231    // Validate sender — only allow messages from our extension pages/scripts.232    // `sender.id` is undefined for messages originating from extension UI233    // (popup/options), which is legitimate; reject only when it is defined234    // and does not match our extension id.235    if (236      !Capacitor.isNativePlatform() &&237      sender.id !== undefined &&238      sender.id !== chrome.runtime.id239    ) {240      return { ok: false, error: "invalid sender" };241    }242243    if (shouldRefreshAutoLock(msg.type) && vault.isUnlocked()) {244      touchAutoLock();245    }246247    switch (msg.type) {248      case "CREATE_VAULT": {249        const { password } = msg.payload as { password: string };250        await vault.createVault(password);251        await setupAutoLock();252        broadcastToContentScripts({ type: "VAULT_UNLOCKED" });253        void syncLifecycle.onVaultUnlocked();254        return { ok: true };255      }256      case "UNLOCK": {257        const { password } = msg.payload as { password: string };258        const ok = await vault.unlock(password);259        if (ok) {260          await setupAutoLock();261          broadcastToContentScripts({ type: "VAULT_UNLOCKED" });262          void syncLifecycle.onVaultUnlocked();263        }264        return { ok };265      }266      case "LOCK":267        vault.lock();268        void syncLifecycle.onVaultLocked();269        return { ok: true };270      case "IS_UNLOCKED":271        return { ok: true, data: vault.isUnlocked() };272      case "GET_VAULT_STATUS":273        return { ok: true, unlocked: vault.isUnlocked() };274      case "HAS_VAULT":275        return { ok: true, data: await vault.hasVault() };276      case "GET_ENTRIES":277        return { ok: true, data: vault.getEntries() };278      case "ADD_ENTRY": {279        if (!vault.isUnlocked()) return { ok: false, error: "vault locked" };280        const entry = await vault.addEntry(msg.payload as any);281        return { ok: true, data: entry };282      }283      case "BATCH_ADD_ENTRIES": {284        const { entries } = msg.payload as { entries: any[] };285        const added = await vault.batchAddEntries(entries);286        return { ok: true, data: added };287      }288      case "RESTORE_ENTRIES": {289        const { entries, mode, settings } = msg.payload as {290          entries: any[];291          mode: "replace" | "merge";292          settings?: vault.VaultSettings;293        };294        const summary = await vault.restoreEntries(entries, mode);295        if (settings && typeof settings === "object") {296          await vault.updateSettings(settings);297        }298        return { ok: true, data: summary };299      }300      case "CLEAR_VAULT_ENTRIES": {301        await vault.clearVaultEntries("REPLACE_ALL");302        return { ok: true };303      }304      case "GET_VAULT_HISTORY": {305        const snapshots = await vault.getVaultHistory();306        return { ok: true, data: snapshots };307      }308      case "RESTORE_VAULT_SNAPSHOT": {309        const { snapshotId } = msg.payload as { snapshotId: string };310        const result = await vault.restoreVaultSnapshot(snapshotId);311        if (!result.ok) return { ok: false, error: result.error };312        broadcastToContentScripts({ type: "VAULT_LOCKED" });313        return { ok: true };314      }315      case "COUNT_DUPLICATES": {316        return { ok: true, data: vault.countDuplicates() };317      }318      case "DEDUPLICATE_ENTRIES": {319        const removed = await vault.deduplicateEntries();320        return { ok: true, data: removed };321      }322      case "UPDATE_ENTRY": {323        const { id, patch } = msg.payload as any;324        await vault.updateEntry(id, patch);325        return { ok: true };326      }327      case "ADD_ADDITIONAL_URL": {328        const { id, url } = msg.payload as { id: string; url: string };329        const trimmed = typeof url === "string" ? url.trim() : "";330        if (!trimmed) return { ok: false, error: "url required" };331        const existing = vault.getEntryById(id);332        if (!existing) return { ok: false, error: "entry not found" };333        if (existing.type !== "login") return { ok: false, error: "login entries only" };334        const merged = [...(existing.additionalUrls ?? []), trimmed];335        await vault.updateEntry(id, { additionalUrls: merged });336        return { ok: true };337      }338      case "DELETE_ENTRY": {339        const { id } = msg.payload as { id: string };340        await vault.deleteEntry(id);341        return { ok: true };342      }343      case "GET_DELETED_ENTRIES":344        return { ok: true, data: vault.getDeletedEntries() };345      case "RESTORE_ENTRY": {346        const { id } = msg.payload as { id: string };347        await vault.restoreEntry(id);348        return { ok: true };349      }350      case "PURGE_ENTRY": {351        const { id } = msg.payload as { id: string };352        await vault.purgeEntry(id);353        return { ok: true };354      }355      case "PURGE_EXPIRED_TRASH": {356        const { retentionMs } = msg.payload as { retentionMs: number };357        const purged = await vault.purgeExpiredTrash(retentionMs);358        return { ok: true, data: purged };359      }360      case "AUTOFILL_QUERY": {361        if (!vault.isUnlocked()) {362          return { ok: false, error: "VAULT_LOCKED" };363        }364        const { domain, includeAll, kind } = msg.payload as {365          domain: string;366          includeAll?: boolean;367          kind?: "login" | "card";368        };369        // kind="card": return saved cards as compact summaries for the370        // inline card silver platter. Cards are not domain-scoped — every371        // saved card is a candidate on every checkout page — so domain is372        // ignored when kind === "card".373        if (kind === "card") {374          const cards = vault.getEntries().filter((e) => e.type === "card");375          return {376            ok: true,377            data: cards.map((e) => ({378              id: e.id,379              title: e.cardNickname || e.title,380              cardholderName: e.cardholderName,381              last4: e.last4,382              expMonth: e.expMonth,383              expYear: e.expYear,384              network: e.network,385            })),386          };387        }388        // The inline selector fills username+password into a form. Passkey-389        // only entries have no password to fill; sign-in for those goes390        // through the WebAuthn path instead. Filter them out everywhere so391        // the user doesn't see four "GitHub" rows that mostly do nothing.392        // Notes and cards never belonged here either.393        const matches = (394          includeAll395            ? vault396                .getEntries()397                .filter((entry) => entry.type !== "note" && entry.type !== "card")398            : vault.queryDomain(domain)399        ).filter((entry) => !isPasskeyOnly(entry));400        return {401          ok: true,402          data: matches.map((e) =>403            includeAll404              ? {405                  id: e.id,406                  title: e.title,407                  hasPasskey: e.passkey !== undefined,408                }409              : {410                  id: e.id,411                  title: e.title,412                  username: e.username,413                  url: e.url,414                  hasTotp: Boolean(e.totp),415                  hasPasskey: e.passkey !== undefined,416                }417          ),418        };419      }420      case "GET_ENTRY_FOR_FILL": {421        if (!vault.isUnlocked()) return { ok: false, error: "vault locked" };422        const { id } = msg.payload as { id: string };423        const entry = vault.getEntryById(id);424        if (!entry) return { ok: false, error: "entry not found" };425        // Passkey-only entries (passkey credential, no password) cannot be426        // filled into a form — sign-in goes through the WebAuthn path. A427        // login that ALSO has a passkey is still fillable for its password.428        if (isPasskeyOnly(entry)) return { ok: false, error: "passkey not fillable" };429        // Strip the passkey credential from the response — content scripts430        // never need the private key, and there's no reason to expose the431        // public credential metadata over the boundary either.432        const { passkey: _strippedPasskey, ...safeEntry } = entry;433        return { ok: true, data: safeEntry };434      }435      case "COPY": {436        const { text, label, alreadyWritten } = msg.payload as {437          text: string;438          label: string;439          alreadyWritten?: boolean;440        };441        await copyToClipboard(text, label, Boolean(alreadyWritten));442        return { ok: true };443      }444      case "CHECK_BREACH": {445        const { password } = msg.payload as { password: string };446        const count = await vault.checkBreach(password);447        return { ok: true, data: count };448      }449      case "CHECK_ALL_BREACHES": {450        const allEntries = vault.getEntries();451        const results: Record<string, number> = {};452        for (const entry of allEntries) {453          if (entry.type === "note") continue;454          if (!entry.password) continue;455          results[entry.id] = await vault.checkBreach(entry.password);456          // Small delay — be a good citizen to the HIBP API457          await new Promise((r) => setTimeout(r, 200));458        }459        // Persist any non-zero counts back to entries460        for (const [id, count] of Object.entries(results)) {461          const entry = vault.getEntryById(id);462          if (entry && (entry.breach ?? 0) !== count) {463            await vault.updateEntry(id, { breach: count > 0 ? count : undefined });464          }465        }466        return { ok: true, data: results };467      }468      case "GET_SETTINGS":469        return { ok: true, data: await vault.ensureSettingsLoaded() };470      case "UPDATE_SETTINGS": {471        const patch = msg.payload as Record<string, unknown>;472        await vault.updateSettings(patch as any);473        if (typeof patch.autoLockMinutes === "number") {474          await setupAutoLock();475          if (vault.isUnlocked()) touchAutoLock();476        }477        return { ok: true };478      }479      case "GET_PENDING_PASSKEY":480        return { ok: true, data: await getPendingPasskeyRequest() };481      case "APPROVE_PASSKEY": {482        const { requestId } = msg.payload as { requestId: number };483        await resolvePendingPasskeyRequest(requestId, true);484        return { ok: true };485      }486      case "DENY_PASSKEY": {487        const { requestId } = msg.payload as { requestId: number };488        await resolvePendingPasskeyRequest(requestId, false);489        return { ok: true };490      }491      case "GET_PASSKEYS":492        return {493          ok: true,494          data: vault.getEntries().filter((entry) => entry.passkey !== undefined),495        };496      case "DELETE_PASSKEY": {497        const { id } = msg.payload as { id: string };498        await vault.deleteEntry(id);499        return { ok: true };500      }501      case "GET_PASSKEY_PROVIDER_STATE":502        return { ok: true, data: await getPasskeyProviderState() };503      case "SET_PASSKEY_PROVIDER_ENABLED": {504        const { enabled } = msg.payload as { enabled: boolean };505        // Disabling is always free; gating fires only when a free user is506        // trying to turn passkey interception on.507        if (enabled) {508          const gate = await requirePro("passkeys");509          if (!gate.allowed) return { ok: false, error: "pro_required" };510        }511        return { ok: true, data: await setPasskeyProviderEnabled(enabled) };512      }513      case "FIRE_CANARY_PING": {514        const { webhookUrl, entryTitle, trigger } = msg.payload as {515          webhookUrl: string;516          entryTitle: string;517          trigger: "password_copied" | "username_copied" | "autofilled" | "submitted" | "test";518        };519        if (!isAllowedCanaryWebhookUrl(webhookUrl)) {520          return { ok: false, error: "invalid webhook url" };521        }522        const body = JSON.stringify({523          event: trigger === "test" ? "peach_canary_test" : "peach_canary_accessed",524          entry: entryTitle,525          trigger,526          timestamp: new Date().toISOString(),527          source: "peach-extension",528        });529        if (trigger === "test") {530          // Permitted outbound fetch: user-configured canary alert endpoint531          // (validated by isAllowedCanaryWebhookUrl above). This is the532          // only non-HIBP outbound call in the extension — see533          // Projects.md §3.7. Test pings are awaited so the UI can show534          // success/failure.535          try {536            const res = await fetch(webhookUrl, {537              method: "POST",538              headers: { "Content-Type": "application/json" },539              body,540            });541            return { ok: res.ok, error: res.ok ? undefined : `HTTP ${res.status}` };542          } catch (err) {543            return { ok: false, error: err instanceof Error ? err.message : "network error" };544          }545        }546        // Non-test triggers are fire-and-forget547        fetch(webhookUrl, {548          method: "POST",549          headers: { "Content-Type": "application/json" },550          body,551        }).catch(() => {});552        return { ok: true };553      }554      case "ACTIVATE_LICENSE": {555        const { key } = msg.payload as { key: string };556        const licenseInfo = await activateLicense(key);557        return { ok: true, data: licenseInfo };558      }559      case "GET_LICENSE": {560        const licenseInfo = await getLicenseInfo();561        return { ok: true, data: licenseInfo };562      }563      case "GET_LICENSE_KEY": {564        const key = await getLicenseKey();565        return { ok: true, data: key };566      }567      case "DEACTIVATE_LICENSE": {568        await deactivateLicense();569        return { ok: true };570      }571      case "SHOULD_PLAY_CELEBRATION": {572        const should = await shouldPlayCelebration();573        return { ok: true, data: should };574      }575      case "MARK_CELEBRATION_PLAYED": {576        await markCelebrationPlayed();577        return { ok: true };578      }579      case "OPEN_PRO_GATE": {580        // Content script requests: open popup and navigate to License section.581        const { feature } = (msg.payload ?? {}) as { feature?: string };582        if (chrome.storage.session) {583          await chrome.storage.session.set({ pendingProGate: { feature: feature ?? "passkeys" } });584        }585        try { await chrome.action.openPopup(); } catch { /* badge fallback */ }586        return { ok: true };587      }588      case "GET_IDENTITIES": {589        if (!vault.isUnlocked()) return { ok: false, error: "vault locked" };590        return { ok: true, data: vault.getIdentities() };591      }592      case "GET_ADVANCED_HEALTH_REPORT": {593        const gate = await requirePro("advanced_health");594        if (!gate.allowed) return { ok: false, error: "pro_required" };595        if (!vault.isUnlocked()) return { ok: false, error: "vault locked" };596        const report = await buildAdvancedHealthReport(vault.getEntries());597        return { ok: true, data: report };598      }599      case "INITIATE_PASSWORD_CHANGE": {600        const gate = await requirePro("smart_password_change");601        if (!gate.allowed) return { ok: false, error: "pro_required" };602        if (!vault.isUnlocked()) return { ok: false, error: "vault locked" };603        const { id } = msg.payload as { id: string };604        const entry = vault.getEntryById(id);605        if (!entry) return { ok: false, error: "entry not found" };606        const url = resolveResetUrl(entry);607        if (!url) return { ok: false, error: "no reset url" };608        try {609          await chrome.tabs.create({ url });610          return { ok: true, data: { url } };611        } catch (err) {612          return {613            ok: false,614            error: err instanceof Error ? err.message : "failed to open tab",615          };616        }617      }618      case "IS_DURESS_ENABLED": {619        const enabled = await vault.isDuressEnabled();620        return { ok: true, data: enabled };621      }622      case "SETUP_DURESS": {623        const { duressPassword } = msg.payload as { duressPassword: string };624        await vault.setupDuress(duressPassword);625        return { ok: true };626      }627      case "DISABLE_DURESS": {628        await vault.disableDuress();629        return { ok: true };630      }631      case "VERIFY_MAIN_PASSWORD": {632        const { password } = msg.payload as { password: string };633        const ok = await vault.verifyMainPassword(password);634        return { ok: true, data: ok };635      }636      case "CHANGE_PASSWORD": {637        const { currentPassword, newPassword } = msg.payload as {638          currentPassword: string;639          newPassword: string;640        };641        const changed = await vault.changePassword(currentPassword, newPassword);642        return changed643          ? { ok: true }644          : { ok: false, error: "incorrect current password" };645      }646      case "GET_SITE_PASSWORD_POLICY": {647        const [tab] = await chrome.tabs.query({ active: true, currentWindow: true });648        if (!tab?.id) return { ok: true, data: null };649        try {650          const response = await chrome.tabs.sendMessage(tab.id, {651            type: "GET_SITE_PASSWORD_POLICY",652          });653          return (response as MessageResponse) ?? { ok: true, data: null };654        } catch {655          return { ok: true, data: null };656        }657      }658      case "GET_SYNC_STATE": {659        const { getPairedDevices, getTrustedNetworks } = await import('./sync-storage');660        const { isOnTailscale } = await import('./sync-network');661        const { isProUser } = await import('./license');662        const { storageGet } = await import('../shared/storage');663        const pairedDevices = await getPairedDevices();664        const trustedNetworks = await getTrustedNetworks();665        const tailscale = await isOnTailscale();666        const pro = await isProUser();667668        let status: SyncStatus = "offline";669        if (tailscale || trustedNetworks.some((n: { isTailscale?: boolean }) => !n.isTailscale)) {670          if (pairedDevices.length === 0) {671            status = "no_peers";672          } else {673            status = "synced";674          }675        } else {676          status = "not_trusted";677        }678679        const lastSyncRaw = await storageGet("peach_last_sync_at");680        const lastSyncParsed = lastSyncRaw ? Number.parseInt(lastSyncRaw, 10) : NaN;681        const lastSyncAt = Number.isFinite(lastSyncParsed) ? lastSyncParsed : undefined;682683        return { ok: true, data: { pairedDevices, trustedNetworks, status, lastSyncAt, isPro: pro } };684      }685      case "TRIGGER_SYNC": {686        const gate = await requirePro("sync");687        if (!gate.allowed) return { ok: false, error: "pro_required" };688        if (!vault.isUnlocked()) return { ok: false, error: "vault_locked" };689690        const { getPairedDevices, updatePairedDevice } = await import('./sync-storage');691        const paired = await getPairedDevices();692        if (paired.length === 0) return { ok: false, error: "no_paired_devices" };693694        const lifecycle = await import('./sync-lifecycle');695        const sync = await import('./sync');696        const { storageGet, storageSet } = await import('../shared/storage');697        const { createNativeSyncTransport, runBlobSyncSession } = await import('./sync-coordinator');698699        const discovered = lifecycle.getDiscoveredPeerCache();700        const reachable = paired.filter((device) =>701          discovered.some((peer) => peer.x25519PublicKey === device.x25519PublicKey),702        );703        if (reachable.length === 0) return { ok: false, error: "no_devices_reachable" };704705        // Sequential — each session may update peach_vault_a, and the next706        // peer should receive the freshest blob (which may already include707        // changes from the previous device in this same pass).708        const results: Array<{709          deviceName: string;710          status: "completed" | "errored" | "closed";711          error?: string;712        }> = [];713        for (const device of reachable) {714          const peer = discovered.find((p) => p.x25519PublicKey === device.x25519PublicKey)!;715          try {716            const connectionId = await sync.connectToPeer(peer.host, peer.port, peer.x25519PublicKey);717            const transport = await createNativeSyncTransport(connectionId);718            const result = await runBlobSyncSession("initiator", transport, {719              isPro: async () => true,720              isUnlocked: () => vault.isUnlocked(),721              getVaultBlobs: async () => ({722                vault_a: (await storageGet("peach_vault_a")) ?? "",723                vault_b: (await storageGet("peach_vault_b")) ?? "",724              }),725            });726            results.push({727              deviceName: device.displayName,728              status: result.status,729              error: result.error,730            });731            if (result.status === "completed") {732              await updatePairedDevice(device.deviceId, {733                lastSeenAt: Date.now(),734                lastSyncAt: Date.now(),735              });736            }737          } catch (err) {738            results.push({739              deviceName: device.displayName,740              status: "errored",741              error: err instanceof Error ? err.message : String(err),742            });743          }744        }745746        await storageSet("peach_last_sync_at", String(Date.now()));747        return {748          ok: true,749          data: {750            results,751            syncedCount: results.filter((r) => r.status === "completed").length,752            totalReachable: reachable.length,753          },754        };755      }756      case "START_PAIRING": {757        const gate = await requirePro("sync");758        if (!gate.allowed) return { ok: false, error: "pro_required" };759        return { ok: true };760      }761      case "CANCEL_PAIRING": {762        return { ok: true };763      }764      case "ACCEPT_PAIRING": {765        const gate = await requirePro("sync");766        if (!gate.allowed) return { ok: false, error: "pro_required" };767        return { ok: true };768      }769      case "REMOVE_PAIRED_DEVICE": {770        const { deviceId } = msg.payload as { deviceId: string };771        const { removePairedDevice } = await import('./sync-storage');772        await removePairedDevice(deviceId);773        return { ok: true };774      }775      case "REMOVE_TRUSTED_NETWORK": {776        const { ssid, bssid, isTailscale } = msg.payload as any;777        const { removeTrustedNetwork, getTrustedNetworks } = await import('./sync-storage');778        const networks = await getTrustedNetworks();779        const network = networks.find((n: { ssid?: string; bssid?: string; isTailscale?: boolean }) => 780          (isTailscale ? n.isTailscale : n.ssid === ssid) && 781          (!bssid || n.bssid === bssid)782        );783        if (network) {784          await removeTrustedNetwork(network.addedAt);785        }786        return { ok: true };787      }788      case "MARK_NETWORK_TRUSTED": {789        const { addTrustedNetwork } = await import('./sync-storage');790        const { getCurrentNetwork } = await import('./sync-network');791        const network = await getCurrentNetwork();792        await addTrustedNetwork({793          ssid: network.ssid,794          bssid: network.bssid,795          isTailscale: network.isTailscale,796          addedAt: Date.now(),797        });798        return { ok: true };799      }800      case "GET_INCOMING_PAIRING_REQUEST": {801        const { getIncomingPairingRequest } = await import('./sync-storage');802        const request = await getIncomingPairingRequest();803        return { ok: true, data: request };804      }805      case "RESPOND_INCOMING_PAIRING": {806        const { accept } = msg.payload as { accept: boolean };807        const { getIncomingPairingRequest, clearIncomingPairingRequest, addPairedDevice } =808          await import('./sync-storage');809        const request = await getIncomingPairingRequest();810        if (!request) return { ok: false, error: "no_pending_request" };811        if (Date.now() > request.expiresAt) {812          await clearIncomingPairingRequest();813          return { ok: false, error: "expired" };814        }815816        const sync = await import('./sync');817        const { encodeSyncMessage } = await import('../shared/sync-wire');818819        // Always clear the pending request — UI must not show the banner twice820        // even if the wire-level send below fails.821        await clearIncomingPairingRequest();822823        if (request.connectionId) {824          try {825            if (accept) {826              const ourKey = await sync.getIdentityPublicKey();827              const ourName = await getLocalDeviceName();828              sync.sendSyncData(829                request.connectionId,830                encodeSyncMessage({831                  type: "PAIR_ACCEPT",832                  public_key_hex: ourKey,833                  device_name: ourName,834                }),835              );836              await sync.trustDevice(request.publicKeyHex, request.deviceName);837              await addPairedDevice({838                deviceId: request.publicKeyHex,839                displayName: request.deviceName,840                x25519PublicKey: request.publicKeyHex,841                pairedAt: Date.now(),842                lastSeenAt: Date.now(),843              });844            } else {845              sync.sendSyncData(846                request.connectionId,847                encodeSyncMessage({ type: "PAIR_REJECT", reason: "user_declined" }),848              );849            }850          } catch (err) {851            // Wire failure is non-fatal for the local trust update — the852            // initiator will time out cleanly on its end.853            void err;854          }855          try { sync.disconnectFromPeer(request.connectionId); } catch { /* best-effort */ }856        } else if (accept) {857          // Test-injected request without a real connection: still record local trust.858          try {859            await sync.trustDevice(request.publicKeyHex, request.deviceName);860          } catch {861            // Native host may not be installed in test contexts.862          }863        }864865        return { ok: true, data: { accepted: accept, deviceName: request.deviceName } };866      }867      case "START_PEER_DISCOVERY": {868        const gate = await requirePro("sync");869        if (!gate.allowed) return { ok: false, error: "pro_required" };870        try {871          await startPeerDiscoveryForPopup();872          return { ok: true };873        } catch (err) {874          return { ok: false, error: err instanceof Error ? err.message : "discovery_failed" };875        }876      }877      case "STOP_PEER_DISCOVERY": {878        try {879          await stopPeerDiscoveryForPopup();880        } catch {881          // best-effort cleanup882        }883        return { ok: true };884      }885      case "START_PAIRING_SERVER": {886        if (Capacitor.isNativePlatform()) {887          const gate = await requirePro("sync");888          if (!gate.allowed) return { ok: false, error: "pro_required" };889          try {890            const { getAndroidSyncIdentity } = await import("../shared/android-sync-identity");891            const { getOrCreateLocalDeviceId } = await import("./sync-identity-glue");892            const { startCapacitorPairingServer } = await import(893              "../shared/capacitor-pairing-server"894            );895            const { addPairedDevice } = await import("./sync-storage");896            const { setActivePairingToken, setRecentPairing } = await import(897              "./pairing-server-state"898            );899900            const identity = await getAndroidSyncIdentity();901            const publicKeyHex = Array.from(identity.publicKey, (b) =>902              b.toString(16).padStart(2, "0"),903            ).join("");904            const deviceId = await getOrCreateLocalDeviceId();905            const name = await getLocalDeviceName();906907            const token = generateSixDigitToken();908            const expiresAt = Date.now() + PAIRING_TOKEN_TTL_MS;909910            const handle = await startCapacitorPairingServer({911              privateKey: identity.privateKey,912              publicKey: identity.publicKey,913              publicKeyHex,914              deviceId,915              deviceName: name,916              token,917              onPaired: async (paired) => {918                try {919                  await addPairedDevice({920                    deviceId: paired.deviceId,921                    displayName: paired.displayName,922                    x25519PublicKey: paired.publicKeyHex,923                    pairedAt: Date.now(),924                    lastSeenAt: Date.now(),925                  });926                } catch {927                  // Already paired — idempotent.928                }929                await setRecentPairing({930                  deviceName: paired.displayName,931                  pairedAt: Date.now(),932                  side: "showing",933                });934                await setActivePairingToken(null);935                activeAndroidPairingHandle = null;936              },937            });938            activeAndroidPairingHandle = handle;939            await setActivePairingToken({ token, expiresAt });940            return { ok: true, data: { token, expiresAt } };941          } catch (err) {942            return { ok: false, error: err instanceof Error ? err.message : "pairing_server_failed" };943          }944        }945        const gate = await requirePro("sync");946        if (!gate.allowed) return { ok: false, error: "pro_required" };947        try {948          const sync = await import('./sync');949          const { setActivePairingToken } = await import('./pairing-server-state');950          const { getOrCreateLocalDeviceId } = await import('./sync-identity-glue');951          sync.connectSyncHost();952          const token = generateSixDigitToken();953          const expiresAt = Date.now() + PAIRING_TOKEN_TTL_MS;954          const deviceId = await getOrCreateLocalDeviceId();955          const name = await getLocalDeviceName();956          await sync.startPairingServer({ token, deviceId, name });957          await setActivePairingToken({ token, expiresAt });958          return { ok: true, data: { token, expiresAt } };959        } catch (err) {960          return { ok: false, error: err instanceof Error ? err.message : "pairing_server_failed" };961        }962      }963      case "STOP_PAIRING_SERVER": {964        if (Capacitor.isNativePlatform()) {965          try {966            const { setActivePairingToken } = await import("./pairing-server-state");967            await setActivePairingToken(null);968            if (activeAndroidPairingHandle) {969              await activeAndroidPairingHandle.stop();970              activeAndroidPairingHandle = null;971            }972          } catch {973            // best-effort cleanup974          }975          return { ok: true };976        }977        try {978          const sync = await import('./sync');979          const { setActivePairingToken } = await import('./pairing-server-state');980          await setActivePairingToken(null);981          if (sync.isHostConnected()) {982            await sync.stopPairingServer();983          }984        } catch {985          // best-effort cleanup986        }987        return { ok: true };988      }989      case "CONNECT_WITH_CODE": {990        if (Capacitor.isNativePlatform()) {991          const gate = await requirePro("sync");992          if (!gate.allowed) return { ok: false, error: "pro_required" };993          const { token: rawToken } = msg.payload as { token: string };994          const token = String(rawToken).replace(/\D/g, "");995          if (token.length !== 6) return { ok: false, error: "invalid_code" };996          try {997            const { registerPlugin } = await import("@capacitor/core");998            const Sync = registerPlugin<{999              resolvePeerByCode(opts: { token: string; timeoutMs?: number }): Promise<{1000                host: string;1001                tcpPort: number;1002                wsPort?: number;1003                x25519PublicKey: string;1004                deviceId: string;1005                name: string;1006              }>;1007            }>("Sync");1008            const resolved = await Sync.resolvePeerByCode({ token, timeoutMs: 8_000 });1009            if (resolved.wsPort === undefined) {1010              return { ok: false, error: "peer_missing_ws_port" };1011            }1012            const peer = {1013              deviceId: resolved.deviceId,1014              deviceName: resolved.name,1015              host: resolved.host,1016              port: resolved.tcpPort,1017              wsPort: resolved.wsPort,1018              x25519PublicKey: resolved.x25519PublicKey,1019              alreadyPaired: false,1020            };1021            const { getAndroidSyncIdentity } = await import("../shared/android-sync-identity");1022            const identity = await getAndroidSyncIdentity();1023            const ourPublicKeyHex = Array.from(identity.publicKey, (b) =>1024              b.toString(16).padStart(2, "0"),1025            ).join("");1026            const ourDeviceName = await getLocalDeviceName();1027            const { runCapacitorPairingHandshake } = await import(1028              "../shared/capacitor-pairing-handshake"1029            );1030            const { addPairedDevice } = await import("./sync-storage");1031            const { setRecentPairing } = await import("./pairing-server-state");1032            const result = await runCapacitorPairingHandshake(1033              peer,1034              identity.privateKey,1035              identity.publicKey,1036              ourPublicKeyHex,1037              ourDeviceName,1038            );1039            await addPairedDevice({1040              deviceId: peer.deviceId,1041              displayName: result.deviceName || peer.deviceName,1042              x25519PublicKey: result.publicKeyHex,1043              pairedAt: Date.now(),1044              lastSeenAt: Date.now(),1045            });1046            await setRecentPairing({1047              deviceName: result.deviceName || peer.deviceName,1048              pairedAt: Date.now(),1049              side: "entering",1050            });1051            return { ok: true, data: { deviceName: result.deviceName || peer.deviceName } };1052          } catch (err) {1053            const msg = err instanceof Error ? err.message : String(err);1054            if (msg.startsWith("pair_rejected:")) {1055              return { ok: false, error: "pair_rejected", data: { reason: msg.slice("pair_rejected:".length) } };1056            }1057            if (msg.includes("no peer responded") || msg.includes("resolve failed")) {1058              return { ok: false, error: msg };1059            }1060            return { ok: false, error: msg || "connect_failed" };1061          }1062        }1063        const gate = await requirePro("sync");1064        if (!gate.allowed) return { ok: false, error: "pro_required" };1065        const { token: rawToken } = msg.payload as { token: string };1066        const token = String(rawToken).replace(/\D/g, "");1067        if (token.length !== 6) return { ok: false, error: "invalid_code" };10681069        const sync = await import('./sync');1070        const { encodeSyncMessage } = await import('../shared/sync-wire');1071        const { waitForPairingResponse } = await import('./sync-coordinator');1072        const { addPairedDevice } = await import('./sync-storage');1073        const { setRecentPairing } = await import('./pairing-server-state');10741075        sync.connectSyncHost();1076        let connectionId: string | undefined;1077        try {1078          const peer = await sync.resolvePeerByCode(token, 8_000);1079          connectionId = await sync.connectToPeer(peer.host, peer.port, peer.x25519PublicKey);10801081          const ourPublicKeyHex = await sync.getIdentityPublicKey();1082          const deviceName = await getLocalDeviceName();10831084          sync.sendSyncData(1085            connectionId,1086            encodeSyncMessage({1087              type: "PAIR_REQUEST",1088              public_key_hex: ourPublicKeyHex,1089              device_name: deviceName,1090            }),1091          );10921093          const response = await waitForPairingResponse(connectionId, 30_000);10941095          if (response.type === "PAIR_ACCEPT") {1096            await sync.trustDevice(response.public_key_hex, response.device_name);1097            await addPairedDevice({1098              deviceId: peer.deviceId,1099              displayName: response.device_name || peer.name,1100              x25519PublicKey: response.public_key_hex,1101              pairedAt: Date.now(),1102              lastSeenAt: Date.now(),1103            });1104            sync.disconnectFromPeer(connectionId);1105            // Stash for the popup so a popup-close mid-handshake still surfaces1106            // a confirmation on next open.1107            await setRecentPairing({1108              deviceName: response.device_name || peer.name,1109              pairedAt: Date.now(),1110              side: "entering",1111            });1112            return { ok: true, data: { deviceName: response.device_name || peer.name } };1113          }11141115          if (response.type === "PAIR_REJECT") {1116            sync.disconnectFromPeer(connectionId);1117            return { ok: false, error: "pair_rejected", data: { reason: response.reason } };1118          }11191120          sync.disconnectFromPeer(connectionId);1121          return { ok: false, error: "unexpected_response" };1122        } catch (err) {1123          if (connectionId) {1124            try { sync.disconnectFromPeer(connectionId); } catch { /* best-effort */ }1125          }1126          return { ok: false, error: err instanceof Error ? err.message : "connect_failed" };1127        }1128      }1129      case "GET_RECENT_PAIRING": {1130        const { consumeRecentPairing } = await import('./pairing-server-state');1131        const recent = await consumeRecentPairing();1132        return { ok: true, data: recent };1133      }1134      case "INITIATE_PAIR_WITH_PEER": {1135        const gate = await requirePro("sync");1136        if (!gate.allowed) return { ok: false, error: "pro_required" };1137        const { peer } = msg.payload as {1138          peer: { deviceId: string; deviceName: string; host: string; port: number; x25519PublicKey: string };1139        };11401141        const sync = await import('./sync');1142        const { encodeSyncMessage } = await import('../shared/sync-wire');1143        const { waitForPairingResponse } = await import('./sync-coordinator');1144        const { addPairedDevice } = await import('./sync-storage');11451146        let connectionId: string | undefined;1147        try {1148          // The responder accepts this connection only because pairing mode is1149          // active on its side — Noise NK still authenticates the *transport*,1150          // and the responder verifies our auth proof, but our public key is1151          // not yet in their trust store. The PAIR_ACCEPT we receive is the1152          // user's confirmation on the peer device that we should be added.1153          connectionId = await sync.connectToPeer(peer.host, peer.port, peer.x25519PublicKey);11541155          const ourPublicKeyHex = await sync.getIdentityPublicKey();1156          const deviceName = await getLocalDeviceName();11571158          sync.sendSyncData(1159            connectionId,1160            encodeSyncMessage({1161              type: "PAIR_REQUEST",1162              public_key_hex: ourPublicKeyHex,1163              device_name: deviceName,1164            }),1165          );11661167          const response = await waitForPairingResponse(connectionId, 30_000);11681169          if (response.type === "PAIR_ACCEPT") {1170            await sync.trustDevice(response.public_key_hex, response.device_name);1171            await addPairedDevice({1172              deviceId: peer.deviceId,1173              displayName: response.device_name || peer.deviceName,1174              x25519PublicKey: response.public_key_hex,1175              pairedAt: Date.now(),1176              lastSeenAt: Date.now(),1177            });1178            sync.disconnectFromPeer(connectionId);1179            return { ok: true, data: { connectionId, deviceName: response.device_name } };1180          }11811182          if (response.type === "PAIR_REJECT") {1183            sync.disconnectFromPeer(connectionId);1184            return { ok: false, error: "pair_rejected", data: { reason: response.reason } };1185          }11861187          sync.disconnectFromPeer(connectionId);1188          return { ok: false, error: "unexpected_response" };1189        } catch (err) {1190          if (connectionId) {1191            try { sync.disconnectFromPeer(connectionId); } catch { /* best-effort */ }1192          }1193          return { ok: false, error: err instanceof Error ? err.message : "pair_failed" };1194        }1195      }1196      case "DEBUG_INJECT_INCOMING_PAIRING": {1197        // Manual E2E rehearsal hook. Inserts a synthetic incoming pairing1198        // request into session storage so Phase 7 banner UX can be exercised1199        // without a live native host. No Pro gate — this is a no-op in1200        // production unless explicitly invoked from a Settings debug action.1201        const { deviceName, publicKeyHex } = (msg.payload ?? {}) as {1202          deviceName?: string;1203          publicKeyHex?: string;1204        };1205        if (!deviceName || !publicKeyHex) {1206          return { ok: false, error: "missing_payload" };1207        }1208        const { setIncomingPairingRequest } = await import('./sync-storage');1209        const now = Date.now();1210        await setIncomingPairingRequest({1211          deviceName,1212          publicKeyHex,1213          receivedAt: now,1214          expiresAt: now + 60_000,1215        });1216        return { ok: true };1217      }1218      case "RESET_SYNC_IDENTITY": {1219        const gate = await requirePro("sync");1220        if (!gate.allowed) return { ok: false, error: "pro_required" };1221        const { getPairedDevices, removePairedDevice } = await import('./sync-storage');1222        const devices = await getPairedDevices();1223        for (const device of devices) {1224          await removePairedDevice(device.deviceId);1225        }1226        // Native rotation is best-effort: when the native messaging host is1227        // not yet installed (Phase 9), connectNative throws and we still1228        // honour the local clear so the UI reflects the reset. The native1229        // identity rotates the next time the host starts cleanly anyway.1230        let nativePublicKey: string | null = null;1231        try {1232          const { rotateNativeIdentity, disconnectSyncHost } = await import('./sync');1233          nativePublicKey = await rotateNativeIdentity();1234          disconnectSyncHost();1235        } catch {1236          nativePublicKey = null;1237        }1238        return { ok: true, data: { removedDevices: devices.length, nativePublicKey } };1239      }1240      case "RECORD_MANUAL_SUMMON": {1241        const { domain } = msg.payload as { domain: string };1242        const settings = vault.getSettings();1243        const existing = settings.manualSummonDomains?.[domain];1244        const now = Date.now();1245        await vault.updateSettings({1246          manualSummonDomains: {1247            ...settings.manualSummonDomains,1248            [domain]: {1249              firstSummonedAt: existing?.firstSummonedAt ?? now,1250              summonCount: (existing?.summonCount ?? 0) + 1,1251              lastSummonedAt: now,1252            },1253          },1254        });1255        return { ok: true };1256      }1257      case "DECLINE_CARD_SAVE": {1258        const { last4, expMonth, expYear } = msg.payload as { last4: string; expMonth: string; expYear: string };1259        await vault.declineCardSaveOffer(last4, expMonth, expYear);1260        return { ok: true };1261      }1262      case "IS_CARD_DECLINED": {1263        const { last4, expMonth, expYear } = msg.payload as { last4: string; expMonth: string; expYear: string };1264        const declined = await vault.isCardDeclined(last4, expMonth, expYear);1265        return { ok: true, data: declined };1266      }1267      case "INITIATE_FIREFOX_PASSKEY_CREATE": {1268        const { rpId, rpName, userName, userDisplayName } = (msg.payload ?? {}) as {1269          rpId?: string;1270          rpName?: string;1271          userName?: string;1272          userDisplayName?: string;1273        };1274        if (!rpId || !userName) return { ok: false, error: "rpId and userName required" };1275        return await initiateFirefoxPasskeyCreate({1276          rpId,1277          rpName: rpName ?? rpId,1278          userName,1279          userDisplayName,1280        });1281      }12821283      case "COMPLETE_FIREFOX_PASSKEY_CREATE": {1284        const payload = msg.payload as Parameters<typeof completeFirefoxPasskeyCreate>[0] | undefined;1285        if (!payload) return { ok: false, error: "missing payload" };1286        return await completeFirefoxPasskeyCreate(payload);1287      }12881289      case "PASSKEY_OFFER_DECLINE": {1290        const { domain } = (msg.payload ?? {}) as { domain?: string };1291        if (!domain) return { ok: false, error: "domain required" };1292        await recordPasskeyOfferDecline(domain);1293        return { ok: true };1294      }12951296      case "GET_PASSKEY_OFFER_DECLINED": {1297        const { domain } = (msg.payload ?? {}) as { domain?: string };1298        if (!domain) return { ok: false, error: "domain required" };1299        return { ok: true, data: await isPasskeyOfferDeclined(domain) };1300      }13011302      case "PASSKEY_HAS_CREDENTIALS": {1303        const payload = msg.payload as {1304          rpId?: string;1305          allowCredentials?: Array<{ id: string; type?: string }>;1306        } | undefined;1307        if (!payload?.rpId) return { ok: false, error: "rpId required" };1308        return await handlePasskeyHasCredentials({1309          rpId: payload.rpId,1310          allowCredentials: payload.allowCredentials ?? [],1311        });1312      }13131314      case "PASSKEY_CREATE": {1315        const payload = msg.payload as Parameters<typeof handleFirefoxPasskeyCreate>[0] | undefined;1316        if (!payload?.rpId || !payload?.userName) {1317          return { ok: false, error: "rpId and userName required" };1318        }1319        return await handleFirefoxPasskeyCreate(payload);1320      }13211322      case "PASSKEY_GET": {1323        const payload = msg.payload as Parameters<typeof handleFirefoxPasskeyGet>[0] | undefined;1324        if (!payload?.rpId) return { ok: false, error: "rpId required" };1325        return await handleFirefoxPasskeyGet(payload);1326      }13271328      case "GET_PASSKEY_FOR_DOMAIN": {1329        const { domain } = (msg.payload ?? {}) as { domain?: string };1330        if (!domain) return { ok: false, error: "domain required" };1331        if (!vault.isUnlocked()) return { ok: true, data: null };1332        const match = vault1333          .getEntries()1334          .find((entry) => entry.passkey?.rpId === domain);1335        if (!match || !match.passkey) return { ok: true, data: null };1336        // Slim shape — only the fields State 11 needs. Never expose private1337        // key material, even though this is locked behind isUnlocked.1338        return {1339          ok: true,1340          data: {1341            rpId: match.passkey.rpId,1342            userName: match.passkey.userName,1343            browser: match.passkey.browser,1344          },1345        };1346      }13471348      case "DESTROY_VAULT": {1349        // Irreversible by design. Lock zeroes the derived key + in-memory entries;1350        // storage.local.clear() wipes every Peach key (slots, settings, license,1351        // onboarded flag, history, sync state, declined cards, recall, etc.);1352        // session.clear() wipes pending passkey requests + pro-notice queues.1353        // Caller (Panic.tsx) handles UI navigation back to onboarding.1354        vault.lock();1355        await storageClear();1356        // Belt-and-suspenders: storage.local.clear() already wipes1357        // peach_vault_history, but if storage.ts ever routes history to a1358        // different backend (e.g. Capacitor secure storage on Android) the1359        // explicit clear keeps the invariant that Panic leaves no recoverable1360        // vault state behind.1361        await vault.clearVaultHistory();1362        if (!Capacitor.isNativePlatform() && chrome.storage.session) {1363          await chrome.storage.session.clear();1364        }1365        return { ok: true };1366      }13671368      case "SUBMIT_FEEDBACK": {1369        const { category, message, version, browser } = msg.payload as {1370          category: string;1371          message: string;1372          version: string;1373          browser: string;1374        };1375        if (!message.trim()) return { ok: false, error: "message is empty" };1376        if (!FEEDBACK_ENDPOINT) return { ok: true };1377        if (!isAllowedCanaryWebhookUrl(FEEDBACK_ENDPOINT)) {1378          return { ok: false, error: "invalid feedback endpoint" };1379        }1380        try {1381          const res = await fetch(FEEDBACK_ENDPOINT, {1382            method: "POST",1383            headers: { "Content-Type": "application/json" },1384            body: JSON.stringify({ category, message, version, browser, source: "peach-extension" }),1385          });1386          return { ok: res.ok, error: res.ok ? undefined : `HTTP ${res.status}` };1387        } catch (err) {1388          return { ok: false, error: err instanceof Error ? err.message : "network error" };1389        }1390      }1391      default:1392        return { ok: false, error: "unknown message type" };1393    }1394  } catch (err) {1395    return {1396      ok: false,1397      error: err instanceof Error ? err.message : "operation failed",1398    };1399  }1400}14011402/** Notify all content scripts that the vault just became available. */1403function broadcastToContentScripts(message: { type: string }): void {1404  if (Capacitor.isNativePlatform() || !chrome.tabs?.query) return;1405  chrome.tabs.query({}, (tabs) => {1406    for (const tab of tabs) {1407      if (tab.id !== undefined) {1408        chrome.tabs.sendMessage(tab.id, message).catch(() => {1409          // Tab may not have a content script — silently ignore1410        });1411      }1412    }1413  });1414}14151416function shouldRefreshAutoLock(type: MessageType): boolean {1417  return (1418    type !== "HAS_VAULT" &&1419    type !== "IS_UNLOCKED" &&1420    type !== "GET_VAULT_STATUS" &&1421    type !== "LOCK" &&1422    type !== "UPDATE_SETTINGS" &&1423    type !== "GET_PENDING_PASSKEY" &&1424    type !== "GET_PASSKEY_PROVIDER_STATE" &&1425    type !== "DECLINE_CARD_SAVE" &&1426    type !== "IS_CARD_DECLINED" &&1427    type !== "SUBMIT_FEEDBACK"1428  );1429}14301431function isAllowedCanaryWebhookUrl(value: string): boolean {1432  try {1433    const url = new URL(value);1434    if (url.protocol !== "https:") return false;14351436    const hostname = url.hostname.toLowerCase();1437    if (1438      hostname === "localhost" ||1439      hostname.endsWith(".localhost") ||1440      isPrivateIpv4(hostname) ||1441      isPrivateIpv6(hostname)1442    ) {1443      return false;1444    }14451446    return true;1447  } catch {1448    return false;1449  }1450}14511452function isPrivateIpv4(hostname: string): boolean {1453  if (PRIVATE_IPV4_RANGES.some((range) => hostname.startsWith(range.prefix))) {1454    return true;1455  }14561457  const octets = hostname.split(".").map((part) => Number(part));1458  if (octets.length !== 4 || octets.some((octet) => !Number.isInteger(octet) || octet < 0 || octet > 255)) {1459    return false;1460  }14611462  return octets[0] === 172 && octets[1] >= 16 && octets[1] <= 31;1463}14641465function isPrivateIpv6(hostname: string): boolean {1466  const normalized = hostname.replace(/^\[|\]$/g, "").toLowerCase();1467  return (1468    normalized === "::1" ||1469    normalized.startsWith("fc") ||1470    normalized.startsWith("fd") ||1471    normalized.startsWith("fe80:")1472  );1473}