refactor(core): self-contained core utilities and 100% domain isolation

src/core/audit.ts

@@ -0,0 +1,187 @@
+import { encodeBase64 } from "jsr:@std/encoding@1/base64";
+import { encodeHex } from "jsr:@std/encoding@1/hex";
+import { sqlWrapper } from "./db.ts";
+import { buildMerkleTree, leafHash } from "./audit_merkle.ts";
+import { fetchSpiffeIdentity } from "./spire_ffi.ts";
+import { valkey } from "./valkey.ts";
+
+let batcherIntervalId: number | null = null;
+let isFlushing = false;
+
+/**
+ * SIDE EFFECT: Asynchronously logs an audit record to the database.
+ * Does not block the main execution thread. Errors are logged but swallowed
+ * to prevent failing the core request due to a logging issue.
+ */
+export let auditLog = function auditLog(
+  userId: string | null,
+  action: string,
+  resource: string | null,
+  details: Record<string, unknown> | null,
+  ipAddress: string,
+): void {
+  // Fire and forget
+  (async () => {
+    try {
+      const entryObj = {
+        userId,
+        action,
+        resource,
+        details,
+        ipAddress,
+        timestamp: Date.now(),
+      };
+      const entryStr = JSON.stringify(entryObj);
+      const entryBytes = new TextEncoder().encode(entryStr);
+      const hashBuffer = await leafHash(entryBytes);
+      const leafHashHex = encodeHex(hashBuffer);
+
+      await sqlWrapper.sql`
+        INSERT INTO audit_records (user_id, action, resource, details, ip_address, leaf_hash)
+        VALUES (${userId}, ${action}, ${resource}, ${
+        details ? JSON.stringify(details) : null
+      }, ${ipAddress}, ${leafHashHex})
+      `;
+    } catch (error: any) {
+      const msg = error?.code || error?.message || String(error);
+      console.error(`[Audit Logger] Failed to insert audit record: ${msg}`);
+    }
+  })();
+};
+
+export async function flush(): Promise<void> {
+  if (isFlushing) return;
+  isFlushing = true;
+
+  try {
+    const sthResult = await sqlWrapper.sql`
+      SELECT tree_size FROM audit_sths ORDER BY tree_size DESC LIMIT 1
+    `;
+    const lastTreeSize = sthResult.length > 0
+      ? parseInt(sthResult[0].tree_size, 10)
+      : 0;
+
+    const allRecordsResult = await sqlWrapper.sql`
+      SELECT leaf_hash FROM audit_records ORDER BY created_at ASC, id ASC
+    `;
+
+    const currentTreeSize = allRecordsResult.length;
+
+    if (currentTreeSize > lastTreeSize) {
+      const leafHashes = allRecordsResult.map((row: any) => {
+        const hex = row.leaf_hash;
+        const bytes = new Uint8Array(hex.length / 2);
+        for (let i = 0; i < hex.length; i += 2) {
+          bytes[i / 2] = parseInt(hex.substring(i, i + 2), 16);
+        }
+        return bytes;
+      });
+
+      const rootHashBytes = await buildMerkleTree(leafHashes);
+      const rootHashHex = encodeHex(rootHashBytes);
+
+      let svidData;
+      try {
+        svidData = await fetchSpiffeIdentity();
+      } catch (_e) {
+        svidData = { x509_svid_key: new Uint8Array() };
+      }
+
+      let signatureBase64 = "";
+      if (svidData.x509_svid_key && svidData.x509_svid_key.length > 0) {
+        try {
+          const keyBuffer = svidData.x509_svid_key.buffer as ArrayBuffer;
+          const privateKey = await crypto.subtle.importKey(
+            "pkcs8",
+            keyBuffer,
+            { name: "ECDSA", namedCurve: "P-256" },
+            true,
+            ["sign"],
+          ).catch(() =>
+            crypto.subtle.importKey(
+              "pkcs8",
+              keyBuffer,
+              { name: "Ed25519" },
+              true,
+              ["sign"],
+            )
+          );
+
+          const payloadBytes = new TextEncoder().encode(
+            JSON.stringify({
+              tree_size: currentTreeSize,
+              root_hash: rootHashHex,
+            }),
+          );
+
+          let signAlgo: any = { name: "ECDSA", hash: "SHA-256" };
+          if (privateKey.algorithm.name === "Ed25519") {
+            signAlgo = { name: "Ed25519" };
+          }
+          const signatureBytes = await crypto.subtle.sign(
+            signAlgo,
+            privateKey,
+            payloadBytes,
+          );
+          signatureBase64 = encodeBase64(new Uint8Array(signatureBytes));
+        } catch (e) {
+          console.warn(
+            "[Audit Batcher] Failed to import key or sign, using empty signature.",
+            e,
+          );
+        }
+      }
+
+      await sqlWrapper.sql`
+        INSERT INTO audit_sths (tree_size, root_hash, signature)
+        VALUES (${currentTreeSize}, ${rootHashHex}, ${signatureBase64})
+      `;
+
+      const payload = {
+        tree_size: currentTreeSize,
+        root_hash: rootHashHex,
+        signature: signatureBase64,
+        created_at: new Date().toISOString(),
+      };
+
+      const payloadStr = JSON.stringify(payload);
+
+      try {
+        if (typeof valkey.set === "function") {
+          await valkey.set("auth:audit:latest_sth", payloadStr);
+        }
+        if (typeof valkey.publish === "function") {
+          await valkey.publish("auth:audit:sth", payloadStr);
+        }
+      } catch (e) {
+        console.warn("[Audit Batcher] Valkey broadcast failed", e);
+      }
+    }
+  } catch (error) {
+    console.error("[Audit Batcher] Error during flush:", error);
+  } finally {
+    isFlushing = false;
+  }
+}
+
+export function startMicroBatcher(): void {
+  if (batcherIntervalId === null) {
+    batcherIntervalId = setInterval(flush, 1000) as unknown as number;
+  }
+}
+
+export function stopMicroBatcher(): void {
+  if (batcherIntervalId !== null) {
+    clearInterval(batcherIntervalId);
+    batcherIntervalId = null;
+  }
+}
+
+export const auditWrapper = {
+  get auditLog() {
+    return auditLog;
+  },
+  set auditLog(val: any) {
+    auditLog = val;
+  },
+};

src/core/audit_merkle.ts

@@ -0,0 +1,72 @@
+export async function leafHash(entry_bytes: Uint8Array): Promise<Uint8Array> {
+  const data = new Uint8Array(1 + entry_bytes.length);
+  data[0] = 0x00;
+  data.set(entry_bytes, 1);
+  const hashBuffer = await crypto.subtle.digest("SHA-256", data);
+  return new Uint8Array(hashBuffer);
+}
+
+export async function nodeHash(
+  left: Uint8Array,
+  right: Uint8Array,
+): Promise<Uint8Array> {
+  const data = new Uint8Array(1 + left.length + right.length);
+  data[0] = 0x01;
+  data.set(left, 1);
+  data.set(right, 1 + left.length);
+  const hashBuffer = await crypto.subtle.digest("SHA-256", data);
+  return new Uint8Array(hashBuffer);
+}
+
+export async function buildMerkleTree(
+  leaves: Uint8Array[],
+): Promise<Uint8Array> {
+  if (leaves.length === 0) {
+    const hashBuffer = await crypto.subtle.digest("SHA-256", new Uint8Array(0));
+    return new Uint8Array(hashBuffer);
+  }
+
+  if (leaves.length === 1) {
+    return leaves[0];
+  }
+
+  const k = Math.pow(2, Math.floor(Math.log2(leaves.length - 1)));
+  const leftHash = await buildMerkleTree(leaves.slice(0, k));
+  const rightHash = await buildMerkleTree(leaves.slice(k));
+
+  return await nodeHash(leftHash, rightHash);
+}
+
+export async function verifyInclusionProof(
+  leaf: Uint8Array,
+  proof: Uint8Array[],
+  index: number,
+  treeSize: number,
+  expectedRoot: Uint8Array,
+): Promise<boolean> {
+  let currentHash = leaf;
+  let currentIndex = index;
+  let right = treeSize - 1;
+
+  for (const siblingHash of proof) {
+    if (currentIndex % 2 === 1) {
+      currentHash = await nodeHash(siblingHash, currentHash);
+    } else {
+      if (currentIndex === right) {
+        currentHash = await nodeHash(siblingHash, currentHash);
+      } else {
+        currentHash = await nodeHash(currentHash, siblingHash);
+      }
+    }
+    currentIndex = Math.floor(currentIndex / 2);
+    right = Math.floor(right / 2);
+  }
+
+  const currentHashHex = Array.from(currentHash).map((b) =>
+    b.toString(16).padStart(2, "0")
+  ).join("");
+  const expectedRootHex = Array.from(expectedRoot).map((b) =>
+    b.toString(16).padStart(2, "0")
+  ).join("");
+  return currentHashHex === expectedRootHex;
+}

src/core/middleware.ts

@@ -0,0 +1,84 @@
+import type { Context } from "jsr:@hono/hono@4";
+import { getAuthenticatedUser } from "./session.ts";
+import { valkey } from "./valkey.ts";
+
+/**
+ * Extracts client IP from headers, checking X-Real-IP and X-Forwarded-For.
+ */
+export function getClientIp(c: Context): string {
+  const realIp = c.req.header("x-real-ip");
+  if (realIp) {
+    return realIp.trim();
+  }
+
+  let forwardedFor = c.req.header("x-forwarded-for");
+  if (forwardedFor) {
+    if (forwardedFor.length > 256) {
+      forwardedFor = forwardedFor.substring(0, 256);
+    }
+    const parts = forwardedFor.split(",");
+    return parts[parts.length - 1].trim();
+  }
+  return "unknown-ip";
+}
+
+export async function checkRateLimit(
+  key: string,
+  limit: number,
+  windowMs: number,
+): Promise<boolean> {
+  try {
+    const current = await valkey.incr(key);
+    if (current === 1) {
+      await valkey.pexpire(key, windowMs);
+    }
+    return current <= limit;
+  } catch (err) {
+    console.warn("[Rate Limiter] Valkey error:", err);
+    return true; // Fail open on cache error
+  }
+}
+
+export const rateLimitWrapper = {
+  checkRateLimit,
+  async isRateLimited(
+    key: string,
+    limit: number,
+    windowMs: number,
+  ): Promise<boolean> {
+    const allowed = await checkRateLimit(key, limit, windowMs);
+    return !allowed;
+  },
+};
+
+export const publicRateLimiter = async (
+  c: Context,
+  next: () => Promise<void>,
+) => {
+  const ip = getClientIp(c);
+  const key = `ratelimit:public:${ip}`;
+  const allowed = await checkRateLimit(key, 10, 60000);
+  if (!allowed) {
+    return c.json({ error: "Too Many Requests" }, 429);
+  }
+  await next();
+};
+
+export const adminRateLimiter = async (
+  c: Context,
+  next: () => Promise<void>,
+) => {
+  const auth = await getAuthenticatedUser(c);
+  if (!auth) {
+    return c.json({ error: "Missing or invalid session" }, 401);
+  }
+
+  const key = `ratelimit:admin:${auth.userId}`;
+  const allowed = await checkRateLimit(key, 60, 60000);
+  if (!allowed) {
+    return c.json({ error: "Too Many Requests" }, 429);
+  }
+
+  c.set("userId", auth.userId);
+  await next();
+};

src/core/session.ts

@@ -0,0 +1,233 @@
+import type { Context } from "jsr:@hono/hono@4";
+import { deleteCookie } from "jsr:@hono/hono@4/cookie";
+import { sqlWrapper } from "./db.ts";
+import { valkey } from "./valkey.ts";
+
+export interface AuthenticatedUser {
+  userId: string;
+  sessionId: string;
+  username: string;
+  label?: string;
+  isAgent?: boolean;
+  isPaused?: boolean;
+  customScopes?: string[];
+}
+
+export interface AppRecord {
+  id: string;
+  name: string;
+  domain?: string;
+  is_public?: boolean;
+  bypass_paths?: string[];
+  allowed_cidrs?: string[];
+}
+
+/**
+ * Extracts all session_id tokens from the Cookie and Authorization headers.
+ */
+export function extractAllSessionIds(c: Context): string[] {
+  const candidates: string[] = [];
+
+  const authHeader = c.req.header("authorization") || "";
+  if (authHeader.startsWith("Bearer ")) {
+    const bearerToken = authHeader.substring(7).trim();
+    if (bearerToken) candidates.push(bearerToken);
+  }
+
+  const cookieHeader = c.req.header("cookie") || "";
+  if (cookieHeader) {
+    const cookieMatches = [
+      ...cookieHeader.matchAll(/(?:^|;\s*)session_id=([^;]+)/g),
+    ]
+      .map((m) => decodeURIComponent(m[1].trim()))
+      .filter(Boolean);
+    candidates.push(...cookieMatches);
+  }
+
+  return candidates;
+}
+
+/**
+ * Resolves the authenticated user from Valkey cache or PostgreSQL sessions table.
+ */
+export async function getAuthenticatedUser(
+  c: Context,
+): Promise<AuthenticatedUser | null> {
+  const sessionMatches = extractAllSessionIds(c);
+  if (sessionMatches.length === 0) return null;
+
+  for (let i = 0; i < sessionMatches.length; i++) {
+    const candidateId = sessionMatches[i];
+
+    // 1. Try Valkey cache
+    try {
+      const sessionDataStr = await valkey.get(candidateId);
+      if (sessionDataStr) {
+        const sessionData = JSON.parse(sessionDataStr);
+        if (sessionData && sessionData.uuid) {
+          if (i > 0) {
+            deleteCookie(c, "session_id", { path: "/" });
+          }
+
+          return {
+            userId: sessionData.uuid,
+            sessionId: candidateId,
+            username: sessionData.username || "",
+            label: sessionData.label,
+            isAgent: sessionData.isAgent,
+            isPaused: sessionData.is_paused,
+            customScopes: sessionData.customScopes,
+          };
+        }
+      }
+    } catch (_err) {
+      // Valkey cache miss or connection hiccup - fallback to DB
+    }
+
+    // 2. Fallback to PostgreSQL sessions table
+    try {
+      const nowIso = new Date().toISOString();
+      const session = await sqlWrapper.sql`
+        SELECT s.user_id, s.expires_at, s.label, s.is_agent, s.is_paused, s.custom_scopes, u.username
+        FROM sessions s
+        JOIN users u ON s.user_id = u.id
+        WHERE s.id = ${candidateId} AND s.expires_at > ${nowIso}
+      `.then((res: any) => res[0]);
+
+      if (session) {
+        const username = session.username || "";
+        try {
+          const ttlSeconds = Math.max(
+            1,
+            Math.floor(
+              (new Date(session.expires_at).getTime() - Date.now()) / 1000,
+            ),
+          );
+          await valkey.setex(
+            candidateId,
+            ttlSeconds,
+            JSON.stringify({
+              uuid: session.user_id,
+              username,
+              label: session.label,
+              isAgent: session.is_agent,
+              is_paused: session.is_paused,
+              customScopes: session.custom_scopes,
+            }),
+          );
+        } catch (_e) {}
+
+        if (i > 0) {
+          deleteCookie(c, "session_id", { path: "/" });
+        }
+
+        return {
+          userId: session.user_id,
+          sessionId: candidateId,
+          username,
+          label: session.label,
+          isAgent: session.is_agent,
+          isPaused: session.is_paused,
+          customScopes: session.custom_scopes,
+        };
+      }
+    } catch (_err) {
+      // Continue to next candidate
+    }
+  }
+
+  return null;
+}
+
+/**
+ * Checks if a user has a global admin role.
+ */
+export async function isGlobalAdmin(userId: string): Promise<boolean> {
+  const result = await sqlWrapper.sql`
+    SELECT r.name FROM user_roles ur
+    JOIN roles r ON ur.role_id = r.id
+    WHERE ur.user_id = ${userId} AND r.name = 'admin'
+  `;
+  return result.length > 0;
+}
+
+/**
+ * Evaluates if the current user's capabilities satisfy the required scope.
+ */
+export function hasScope(
+  auth: AuthenticatedUser,
+  requiredScope: string,
+): boolean {
+  if (!auth.isAgent) return true;
+  if (!Array.isArray(auth.customScopes)) return false;
+  return auth.customScopes.includes("*") ||
+    auth.customScopes.includes(requiredScope);
+}
+
+/**
+ * Helper to check if the session itself is authorized as an admin.
+ */
+export async function isSessionAdmin(
+  auth: AuthenticatedUser,
+): Promise<boolean> {
+  const globalAdmin = await isGlobalAdmin(auth.userId);
+  if (!globalAdmin) return false;
+  if (!auth.isAgent) return true;
+  return Array.isArray(auth.customScopes) && auth.customScopes.includes("*");
+}
+
+/**
+ * Computes root cookie domain from RP_ID or host.
+ */
+export function getCookieDomain(customRpId?: string): string {
+  const rpId = customRpId || Deno.env.get("RP_ID");
+  if (rpId) {
+    if (rpId.includes("localhost") || rpId.includes("127.0.0.1")) {
+      return rpId;
+    }
+    return `.${rpId}`;
+  }
+  return "";
+}
+
+/**
+ * Hono Middleware: Blocks access if the session is a delegated agent session.
+ */
+export async function requirePrimarySession(
+  c: Context,
+  next: () => Promise<void>,
+) {
+  const auth = await getAuthenticatedUser(c);
+  if (!auth) return c.json({ error: "Unauthorized" }, 401);
+  if (auth.isAgent) {
+    return c.json({ error: "Forbidden: Primary session required" }, 403);
+  }
+  await next();
+}
+
+/**
+ * Hono Middleware Factory: Requires a specific scope.
+ */
+export function requireScope(scope: string) {
+  return async (c: Context, next: () => Promise<void>) => {
+    const auth = await getAuthenticatedUser(c);
+    if (!auth) return c.json({ error: "Unauthorized" }, 401);
+    if (!hasScope(auth, scope)) {
+      return c.json({ error: "Forbidden: Insufficient scopes" }, 403);
+    }
+    await next();
+  };
+}
+
+/**
+ * Hono Middleware: Blocks access unless the session is an admin session.
+ */
+export async function requireAdmin(c: Context, next: () => Promise<void>) {
+  const auth = await getAuthenticatedUser(c);
+  if (!auth) return c.json({ error: "Unauthorized" }, 401);
+  const isAdmin = await isSessionAdmin(auth);
+  if (!isAdmin) {
+    return c.json({ error: "Forbidden: Global admin access required" }, 403);
+  }
+  await next();
+}

src/features/admin/routes.tsx

@@ -1,13 +1,10 @@
 import { Hono } from "jsr:@hono/hono@4";
 import { encodeBase64Url } from "jsr:@std/encoding@1/base64url";
 
-import { adminRateLimiter, getClientIp } from "../../../server/middleware.ts";
-import {
-  getAuthenticatedUser,
-  requireAdmin,
-} from "../../../server/auth-session.ts";
+import { adminRateLimiter, getClientIp } from "../../core/middleware.ts";
+import { getAuthenticatedUser, requireAdmin } from "../../core/session.ts";
 import { valkey } from "../../core/valkey.ts";
-import { auditWrapper } from "../../../server/audit.ts";
+import { auditWrapper } from "../../core/audit.ts";
 
 import {
   assignUserGrant,

src/features/auth/login_routes.ts

@@ -8,9 +8,9 @@ import {
 import type { AuthenticationResponseJSON } from "jsr:@simplewebauthn/server@13";
 
 import { valkey } from "../../core/valkey.ts";
-import { getClientIp, publicRateLimiter } from "../../../server/middleware.ts";
-import { extractAllSessionIds } from "../../../server/auth-session.ts";
-import { auditWrapper } from "../../../server/audit.ts";
+import { getClientIp, publicRateLimiter } from "../../core/middleware.ts";
+import { extractAllSessionIds } from "../../core/session.ts";
+import { auditWrapper } from "../../core/audit.ts";
 
 import {
   createSession,

src/features/auth/recovery_routes.ts

@@ -7,8 +7,8 @@ import {
 } from "jsr:@simplewebauthn/server@13";
 import type { RegistrationResponseJSON } from "jsr:@simplewebauthn/server@13";
 
-import { getClientIp, publicRateLimiter } from "../../../server/middleware.ts";
-import { auditWrapper } from "../../../server/audit.ts";
+import { getClientIp, publicRateLimiter } from "../../core/middleware.ts";
+import { auditWrapper } from "../../core/audit.ts";
 
 import {
   bindPasskey,

src/features/auth/register_routes.ts

@@ -8,8 +8,8 @@ import {
 import type { RegistrationResponseJSON } from "jsr:@simplewebauthn/server@13";
 
 import { valkey } from "../../core/valkey.ts";
-import { getClientIp, publicRateLimiter } from "../../../server/middleware.ts";
-import { auditWrapper } from "../../../server/audit.ts";
+import { getClientIp, publicRateLimiter } from "../../core/middleware.ts";
+import { auditWrapper } from "../../core/audit.ts";
 
 import {
   createPasskey,

src/features/events/routes.tsx

@@ -4,13 +4,12 @@ import {
   getCookieDomain,
   hasScope,
   isGlobalAdmin,
-} from "../../../server/auth-session.ts";
+} from "../../core/session.ts";
 import { deleteCookie, setCookie } from "jsr:@hono/hono@4/cookie";
 import { encodeHex } from "jsr:@std/encoding@1/hex";
-import { getClientIp } from "../../../server/middleware.ts";
+import { getClientIp, rateLimitWrapper } from "../../core/middleware.ts";
 import { valkey } from "../../core/valkey.ts";
-import { auditWrapper } from "../../../server/audit.ts";
-import { rateLimitWrapper } from "../../../server/ratelimit.ts";
+import { auditWrapper } from "../../core/audit.ts";
 import { streamDatastar } from "../../core/sse_adapter.ts";
 import { renderErrorToastFragment } from "../../core/error_fragments.tsx";
 import * as Queries from "./queries.ts";

src/features/sessions/actions_routes.ts

@@ -1,12 +1,9 @@
 import { Hono } from "jsr:@hono/hono@4";
 
 import { valkey } from "../../core/valkey.ts";
-import { auditWrapper } from "../../../server/audit.ts";
-import {
-  getAuthenticatedUser,
-  getClientIp,
-  hasScope,
-} from "../../../server/auth-session.ts";
+import { auditWrapper } from "../../core/audit.ts";
+import { getClientIp } from "../../core/middleware.ts";
+import { getAuthenticatedUser, hasScope } from "../../core/session.ts";
 
 import {
   delegateSession,

src/features/sessions/routes.tsx

@@ -5,10 +5,7 @@ import { renderErrorToastFragment } from "../../core/error_fragments.tsx";
 import {
   AuthenticatedLayoutFragment,
 } from "../../shared/ui/layout_fragments.tsx";
-import {
-  getAuthenticatedUser,
-  hasScope,
-} from "../../../server/auth-session.ts";
+import { getAuthenticatedUser, hasScope } from "../../core/session.ts";
 import { getAllApps } from "../admin/queries.ts";
 
 import { getActiveSessions } from "./queries.ts";

tasks/audits/2026-0827-audit-2-phase-3.md

@@ -2,36 +2,62 @@
 
 ## 1. Test Suite & Verification
 
-- **`deno fmt`**: Passed (All newly created fragments, scripts, queries, routes, and styles formatted).
-- **`deno task lint`**: Passed (`deno lint` and `scripts/lint_arch.ts` passed with 0 errors; all files strictly $\le 400$ lines with no banned DOM API regressions).
-- **`deno task check`**: Passed across all workspace modules (`server/`, `sdk/`, `ui/`, `infra/`, `src/`).
-- **`deno test -A --no-check`**: Passed (80 tests across 30 steps with 0 failures).
+- **`deno fmt`**: Passed (All newly created fragments, scripts, queries, routes,
+  and styles formatted).
+- **`deno task lint`**: Passed (`deno lint` and `scripts/lint_arch.ts` passed
+  with 0 errors; all files strictly $\le 400$ lines with no banned DOM API
+  regressions).
+- **`deno task check`**: Passed across all workspace modules (`server/`, `sdk/`,
+  `ui/`, `infra/`, `src/`).
+- **`deno test -A --no-check`**: Passed (80 tests across 30 steps with 0
+  failures).
 
 ## 2. Scope Implemented & Verified
 
 1. **Events Vertical Slice (`src/features/events/`):**
-   - `cockpit_fragments.tsx`: `EventCockpitDeckFragment` supporting responsive Grid and Compact view modes.
-   - `cockpit_styles.ts`: Isolated CSS styling tokens to enforce SRP and keep component files under the 400-line limit.
-   - `drawer_fragments.tsx`: `WorkshopPassDrawerFragment` for minting event passes with 2-state handoff UI.
-   - `attendees_fragments.tsx`: `GuestDrawerAttendeesFragment` desktop slide-over and mobile bottom sheet for live attendee telemetry and session controls.
-   - `join_fragments.tsx`: `EventJoinPageFragment` for universal PIN and slug redemption.
-   - `queries.ts`: Pure PostgreSQL SQL queries for event retrieval, creation, expansion, PIN rotation, and live seat counts.
-   - `routes.tsx`: Complete Datastar SSE endpoint (`/api/events/:id/stream`) and interactive event actions (`/api/events/:id/rotate-pin`, `/api/events/:id/expand`, `/api/events/:id/end`, `/api/join`).
+   - `cockpit_fragments.tsx`: `EventCockpitDeckFragment` supporting responsive
+     Grid and Compact view modes.
+   - `cockpit_styles.ts`: Isolated CSS styling tokens to enforce SRP and keep
+     component files under the 400-line limit.
+   - `drawer_fragments.tsx`: `WorkshopPassDrawerFragment` for minting event
+     passes with 2-state handoff UI.
+   - `attendees_fragments.tsx`: `GuestDrawerAttendeesFragment` desktop
+     slide-over and mobile bottom sheet for live attendee telemetry and session
+     controls.
+   - `join_fragments.tsx`: `EventJoinPageFragment` for universal PIN and slug
+     redemption.
+   - `queries.ts`: Pure PostgreSQL SQL queries for event retrieval, creation,
+     expansion, PIN rotation, and live seat counts.
+   - `routes.tsx`: Complete Datastar SSE endpoint (`/api/events/:id/stream`) and
+     interactive event actions (`/api/events/:id/rotate-pin`,
+     `/api/events/:id/expand`, `/api/events/:id/end`, `/api/join`).
    - `events.test.ts`: Verified public join route and error handling fragments.
 2. **Sessions Vertical Slice (`src/features/sessions/`):**
-   - `table_fragments.tsx`: `SessionTableFragment` desktop table with Datastar reactive action triggers.
-   - `deck_fragments.tsx`: `SessionDeckFragment` responsive touch card deck for mobile viewports.
-   - `drawer_fragments.tsx`: `DirectPassDrawerFragment` for minting scoped child agent passes.
-   - `modal_fragments.tsx`: `ScopeModalFragment` for interactive permissions editing.
-   - `queries.ts`: SQL queries for active sessions, delegation, scope updating, pause/resume, and expiration extension.
-   - `actions_routes.ts`: Sub-router handling session delegation, scope modification, pausing, extension, and revocation.
-   - `routes.tsx`: UI route (`/dashboard/sessions`) and live telemetry SSE stream (`/api/sessions/stream`) with Valkey Pub/Sub revocation broadcasting.
-   - `sessions.test.tsx`: Verified route protection, table, deck, drawer, and modal rendering.
+   - `table_fragments.tsx`: `SessionTableFragment` desktop table with Datastar
+     reactive action triggers.
+   - `deck_fragments.tsx`: `SessionDeckFragment` responsive touch card deck for
+     mobile viewports.
+   - `drawer_fragments.tsx`: `DirectPassDrawerFragment` for minting scoped child
+     agent passes.
+   - `modal_fragments.tsx`: `ScopeModalFragment` for interactive permissions
+     editing.
+   - `queries.ts`: SQL queries for active sessions, delegation, scope updating,
+     pause/resume, and expiration extension.
+   - `actions_routes.ts`: Sub-router handling session delegation, scope
+     modification, pausing, extension, and revocation.
+   - `routes.tsx`: UI route (`/dashboard/sessions`) and live telemetry SSE
+     stream (`/api/sessions/stream`) with Valkey Pub/Sub revocation
+     broadcasting.
+   - `sessions.test.tsx`: Verified route protection, table, deck, drawer, and
+     modal rendering.
 3. **Client Assets & Compatibility:**
-   - `public/sessions-scripts.js`: Pure vanilla JavaScript module handling drawer animations, copy clipboard actions, and scope modification modals with `globalThis` scoping.
+   - `public/sessions-scripts.js`: Pure vanilla JavaScript module handling
+     drawer animations, copy clipboard actions, and scope modification modals
+     with `globalThis` scoping.
 4. **App Wiring & Dual Remote Distribution:**
    - Mounted `eventsRoutes` and `sessionRoutes` in `src/main.ts`.
-   - Committed on `feat/phase-3-realtime-slices-and-scripts-removal` and synchronized across GitHub (`origin`) and Gitea (`gitea`).
+   - Committed on `feat/phase-3-realtime-slices-and-scripts-removal` and
+     synchronized across GitHub (`origin`) and Gitea (`gitea`).
    - Created GitHub PR #58.
 
 ## 3. Decision