Issue Queue: issue-exec-20260106-160325 (#52)

* feat(security): Secure dashboard server by default

## Solution Summary
- Solution-ID: SOL-DSC-002-1
- Issue-ID: DSC-002

## Tasks Completed
- [T1] JWT token manager (24h expiry, persisted secret/token)
- [T2] API auth middleware + localhost token endpoint
- [T3] Default bind 127.0.0.1, add --host with warning
- [T4] Localhost-only CORS with credentials + Vary
- [T5] SECURITY.md documentation + README link

## Verification
- npm run build
- npm test -- ccw/tests/token-manager.test.ts ccw/tests/middleware.test.ts ccw/tests/server-auth.integration.test.ts ccw/tests/server.test.ts ccw/tests/cors.test.ts

* fix(security): Prevent command injection in Windows spawn()

## Solution Summary
- **Solution-ID**: SOL-DSC-001-1
- **Issue-ID**: DSC-001
- **Risk/Impact/Complexity**: high/high/medium

## Tasks Completed
- [T1] Create Windows shell escape utility
- [T2] Escape cli-executor spawn() args on Windows
- [T3] Add command injection regression tests

## Files Modified
- ccw/src/utils/shell-escape.ts
- ccw/src/tools/cli-executor.ts
- ccw/tests/shell-escape.test.ts
- ccw/tests/security/command-injection.test.ts

## Verification
- npm run build
- npm test -- ccw/tests/shell-escape.test.ts ccw/tests/security/command-injection.test.ts

* fix(security): Harden path validation (DSC-005)

## Solution Summary
- Solution-ID: SOL-DSC-005-1
- Issue-ID: DSC-005

## Tasks Completed
- T1: Refactor path validation to pre-resolution checking
- T2: Implement allowlist-based path validation
- T3: Add path validation to API routes
- T4: Add path security regression tests

## Files Modified
- ccw/src/utils/path-resolver.ts
- ccw/src/utils/path-validator.ts
- ccw/src/core/routes/graph-routes.ts
- ccw/src/core/routes/files-routes.ts
- ccw/src/core/routes/skills-routes.ts
- ccw/tests/path-resolver.test.ts
- ccw/tests/graph-routes.test.ts
- ccw/tests/files-routes.test.ts
- ccw/tests/skills-routes.test.ts
- ccw/tests/security/path-traversal.test.ts

## Verification
- npm run build
- npm test -- path-resolver.test.ts
- npm test -- path-validator.test.ts
- npm test -- graph-routes.test.ts
- npm test -- files-routes.test.ts
- npm test -- skills-routes.test.ts
- npm test -- ccw/tests/security/path-traversal.test.ts

* fix(security): Prevent credential leakage (DSC-004)

## Solution Summary
- Solution-ID: SOL-DSC-004-1
- Issue-ID: DSC-004

## Tasks Completed
- T1: Create credential handling security tests
- T2: Add log sanitization tests
- T3: Add env var leakage prevention tests
- T4: Add secure storage tests

## Files Modified
- ccw/src/config/litellm-api-config-manager.ts
- ccw/src/core/routes/litellm-api-routes.ts
- ccw/tests/security/credential-handling.test.ts

## Verification
- npm run build
- node --experimental-strip-types --test ccw/tests/security/credential-handling.test.ts

* test(ranking): expand normalize_weights edge case coverage (ISS-1766920108814-0)

## Solution Summary
- Solution-ID: SOL-20251228113607
- Issue-ID: ISS-1766920108814-0

## Tasks Completed
- T1: Fix NaN and invalid total handling in normalize_weights
- T2: Add unit tests for NaN edge cases in normalize_weights

## Files Modified
- codex-lens/tests/test_rrf_fusion.py

## Verification
- python -m pytest codex-lens/tests/test_rrf_fusion.py::TestNormalizeBM25Score -v
- python -m pytest codex-lens/tests/test_rrf_fusion.py -v -k normalize
- python -m pytest codex-lens/tests/test_rrf_fusion.py::TestReciprocalRankFusion::test_weight_normalization codex-lens/tests/test_cli_hybrid_search.py::TestCLIHybridSearch::test_weights_normalization -v

* feat(security): Add CSRF protection and tighten CORS (DSC-006)

## Solution Summary
- Solution-ID: SOL-DSC-006-1
- Issue-ID: DSC-006
- Risk/Impact/Complexity: high/high/medium

## Tasks Completed
- T1: Create CSRF token generation system
- T2: Add CSRF token endpoints
- T3: Implement CSRF validation middleware
- T4: Restrict CORS to trusted origins
- T5: Add CSRF security tests

## Files Modified
- ccw/src/core/auth/csrf-manager.ts
- ccw/src/core/auth/csrf-middleware.ts
- ccw/src/core/routes/auth-routes.ts
- ccw/src/core/server.ts
- ccw/tests/csrf-manager.test.ts
- ccw/tests/auth-routes.test.ts
- ccw/tests/csrf-middleware.test.ts
- ccw/tests/security/csrf.test.ts

## Verification
- npm run build
- node --experimental-strip-types --test ccw/tests/csrf-manager.test.ts
- node --experimental-strip-types --test ccw/tests/auth-routes.test.ts
- node --experimental-strip-types --test ccw/tests/csrf-middleware.test.ts
- node --experimental-strip-types --test ccw/tests/cors.test.ts
- node --experimental-strip-types --test ccw/tests/security/csrf.test.ts

* fix(cli-executor): prevent stale SIGKILL timeouts

## Solution Summary

- Solution-ID: SOL-DSC-007-1

- Issue-ID: DSC-007

- Risk/Impact/Complexity: low/low/low

## Tasks Completed

- [T1] Store timeout handle in killCurrentCliProcess

## Files Modified

- ccw/src/tools/cli-executor.ts

- ccw/tests/cli-executor-kill.test.ts

## Verification

- node --experimental-strip-types --test ccw/tests/cli-executor-kill.test.ts

* fix(cli-executor): enhance merge validation guards

## Solution Summary

- Solution-ID: SOL-DSC-008-1

- Issue-ID: DSC-008

- Risk/Impact/Complexity: low/low/low

## Tasks Completed

- [T1] Enhance sourceConversations array validation

## Files Modified

- ccw/src/tools/cli-executor.ts

- ccw/tests/cli-executor-merge-validation.test.ts

## Verification

- node --experimental-strip-types --test ccw/tests/cli-executor-merge-validation.test.ts

* refactor(core): remove @ts-nocheck from core routes

## Solution Summary
- Solution-ID: SOL-DSC-003-1
- Issue-ID: DSC-003
- Queue-ID: QUE-20260106-164500
- Item-ID: S-9

## Tasks Completed
- T1: Create shared RouteContext type definition
- T2: Remove @ts-nocheck from small route files
- T3: Remove @ts-nocheck from medium route files
- T4: Remove @ts-nocheck from large route files
- T5: Remove @ts-nocheck from remaining core files

## Files Modified
- ccw/src/core/dashboard-generator-patch.ts
- ccw/src/core/dashboard-generator.ts
- ccw/src/core/routes/ccw-routes.ts
- ccw/src/core/routes/claude-routes.ts
- ccw/src/core/routes/cli-routes.ts
- ccw/src/core/routes/codexlens-routes.ts
- ccw/src/core/routes/discovery-routes.ts
- ccw/src/core/routes/files-routes.ts
- ccw/src/core/routes/graph-routes.ts
- ccw/src/core/routes/help-routes.ts
- ccw/src/core/routes/hooks-routes.ts
- ccw/src/core/routes/issue-routes.ts
- ccw/src/core/routes/litellm-api-routes.ts
- ccw/src/core/routes/litellm-routes.ts
- ccw/src/core/routes/mcp-routes.ts
- ccw/src/core/routes/mcp-routes.ts.backup
- ccw/src/core/routes/mcp-templates-db.ts
- ccw/src/core/routes/nav-status-routes.ts
- ccw/src/core/routes/rules-routes.ts
- ccw/src/core/routes/session-routes.ts
- ccw/src/core/routes/skills-routes.ts
- ccw/src/core/routes/status-routes.ts
- ccw/src/core/routes/system-routes.ts
- ccw/src/core/routes/types.ts
- ccw/src/core/server.ts
- ccw/src/core/websocket.ts

## Verification
- npm run build
- npm test

* refactor: split cli-executor and codexlens routes into modules

## Solution Summary
- Solution-ID: SOL-DSC-012-1
- Issue-ID: DSC-012
- Risk/Impact/Complexity: medium/medium/high

## Tasks Completed
- [T1] Extract execution orchestration from cli-executor.ts (Refactor ccw/src/tools)
- [T2] Extract route handlers from codexlens-routes.ts (Refactor ccw/src/core/routes)
- [T3] Extract prompt concatenation logic from cli-executor (Refactor ccw/src/tools)
- [T4] Document refactored module architecture (Docs)

## Files Modified
- ccw/src/tools/cli-executor.ts
- ccw/src/tools/cli-executor-core.ts
- ccw/src/tools/cli-executor-utils.ts
- ccw/src/tools/cli-executor-state.ts
- ccw/src/tools/cli-prompt-builder.ts
- ccw/src/tools/README.md
- ccw/src/core/routes/codexlens-routes.ts
- ccw/src/core/routes/codexlens/config-handlers.ts
- ccw/src/core/routes/codexlens/index-handlers.ts
- ccw/src/core/routes/codexlens/semantic-handlers.ts
- ccw/src/core/routes/codexlens/watcher-handlers.ts
- ccw/src/core/routes/codexlens/utils.ts
- ccw/src/core/routes/codexlens/README.md

## Verification
- npm run build
- npm test

* test(issue): Add comprehensive issue command tests

## Solution Summary
- **Solution-ID**: SOL-DSC-009-1
- **Issue-ID**: DSC-009
- **Risk/Impact/Complexity**: low/high/medium

## Tasks Completed
- [T1] Create issue command test file structure: Create isolated test harness
- [T2] Add JSONL read/write operation tests: Verify JSONL correctness and errors
- [T3] Add issue lifecycle tests: Verify status transitions and timestamps
- [T4] Add solution binding tests: Verify binding flows and error cases
- [T5] Add queue formation tests: Verify queue creation, IDs, and DAG behavior
- [T6] Add queue execution tests: Verify next/done/retry and status sync

## Files Modified
- ccw/src/commands/issue.ts
- ccw/tests/issue-command.test.ts

## Verification
- node --experimental-strip-types --test ccw/tests/issue-command.test.ts

* test(routes): Add integration tests for route modules

## Solution Summary
- Solution-ID: SOL-DSC-010-1
- Issue-ID: DSC-010
- Queue-ID: QUE-20260106-164500

## Tasks Completed
- [T1] Add tests for ccw-routes.ts
- [T2] Add tests for files-routes.ts
- [T3] Add tests for claude-routes.ts (includes Windows path fix for create)
- [T4] Add tests for issue-routes.ts
- [T5] Add tests for help-routes.ts (avoid hanging watchers)
- [T6] Add tests for nav-status-routes.ts
- [T7] Add tests for hooks/graph/rules/skills/litellm-api routes

## Files Modified
- ccw/src/core/routes/claude-routes.ts
- ccw/src/core/routes/help-routes.ts
- ccw/tests/integration/ccw-routes.test.ts
- ccw/tests/integration/claude-routes.test.ts
- ccw/tests/integration/files-routes.test.ts
- ccw/tests/integration/issue-routes.test.ts
- ccw/tests/integration/help-routes.test.ts
- ccw/tests/integration/nav-status-routes.test.ts
- ccw/tests/integration/hooks-routes.test.ts
- ccw/tests/integration/graph-routes.test.ts
- ccw/tests/integration/rules-routes.test.ts
- ccw/tests/integration/skills-routes.test.ts
- ccw/tests/integration/litellm-api-routes.test.ts

## Verification
- node --experimental-strip-types --test ccw/tests/integration/ccw-routes.test.ts
- node --experimental-strip-types --test ccw/tests/integration/files-routes.test.ts
- node --experimental-strip-types --test ccw/tests/integration/claude-routes.test.ts
- node --experimental-strip-types --test ccw/tests/integration/issue-routes.test.ts
- node --experimental-strip-types --test ccw/tests/integration/help-routes.test.ts
- node --experimental-strip-types --test ccw/tests/integration/nav-status-routes.test.ts
- node --experimental-strip-types --test ccw/tests/integration/hooks-routes.test.ts
- node --experimental-strip-types --test ccw/tests/integration/graph-routes.test.ts
- node --experimental-strip-types --test ccw/tests/integration/rules-routes.test.ts
- node --experimental-strip-types --test ccw/tests/integration/skills-routes.test.ts
- node --experimental-strip-types --test ccw/tests/integration/litellm-api-routes.test.ts

* refactor(core): Switch cache and lite scanning to async fs

## Solution Summary
- Solution-ID: SOL-DSC-013-1
- Issue-ID: DSC-013
- Queue-ID: QUE-20260106-164500

## Tasks Completed
- [T1] Convert cache-manager.ts to async file operations
- [T2] Convert lite-scanner.ts to async file operations
- [T3] Update cache-manager call sites to await async API
- [T4] Update lite-scanner call sites to await async API

## Files Modified
- ccw/src/core/cache-manager.ts
- ccw/src/core/lite-scanner.ts
- ccw/src/core/data-aggregator.ts

## Verification
- npm run build
- npm test

* fix(exec): Add timeout protection for execSync

## Solution Summary
- Solution-ID: SOL-DSC-014-1
- Issue-ID: DSC-014
- Queue-ID: QUE-20260106-164500

## Tasks Completed
- [T1] Add timeout to execSync calls in python-utils.ts
- [T2] Add timeout to execSync calls in detect-changed-modules.ts
- [T3] Add timeout to execSync calls in claude-freshness.ts
- [T4] Add timeout to execSync calls in issue.ts
- [T5] Consolidate execSync timeout constants and audit coverage

## Files Modified
- ccw/src/utils/exec-constants.ts
- ccw/src/utils/python-utils.ts
- ccw/src/tools/detect-changed-modules.ts
- ccw/src/core/claude-freshness.ts
- ccw/src/commands/issue.ts
- ccw/src/tools/smart-search.ts
- ccw/src/tools/codex-lens.ts
- ccw/src/core/routes/codexlens/config-handlers.ts

## Verification
- npm run build
- npm test
- node --experimental-strip-types --test ccw/tests/issue-command.test.ts

* feat(cli): Add progress spinner with elapsed time for long-running operations

## Solution Summary
- Solution-ID: SOL-DSC-015-1
- Issue-ID: DSC-015
- Queue-Item: S-15
- Risk/Impact/Complexity: low/medium/low

## Tasks Completed
- [T1] Add progress spinner to CLI execution: Update ccw/src/commands/cli.ts

## Files Modified
- ccw/src/commands/cli.ts
- ccw/tests/cli-command.test.ts

## Verification
- node --experimental-strip-types --test ccw/tests/cli-command.test.ts
- node --experimental-strip-types --test ccw/tests/cli-executor-kill.test.ts
- node --experimental-strip-types --test ccw/tests/cli-executor-merge-validation.test.ts

* fix(cli): Move full output hint immediately after truncation notice

## Solution Summary
- Solution-ID: SOL-DSC-016-1
- Issue-ID: DSC-016
- Queue-Item: S-16
- Risk/Impact/Complexity: low/high/low

## Tasks Completed
- [T1] Relocate output hint after truncation: Update ccw/src/commands/cli.ts

## Files Modified
- ccw/src/commands/cli.ts
- ccw/tests/cli-command.test.ts

## Verification
- npm run build
- node --experimental-strip-types --test ccw/tests/cli-command.test.ts

* feat(cli): Add confirmation prompts for destructive operations

## Solution Summary
- Solution-ID: SOL-DSC-017-1
- Issue-ID: DSC-017
- Queue-Item: S-17
- Risk/Impact/Complexity: low/high/low

## Tasks Completed
- [T1] Add confirmation to storage clean operations: Update ccw/src/commands/cli.ts
- [T2] Add confirmation to issue queue delete: Update ccw/src/commands/issue.ts

## Files Modified
- ccw/src/commands/cli.ts
- ccw/src/commands/issue.ts
- ccw/tests/cli-command.test.ts
- ccw/tests/issue-command.test.ts

## Verification
- npm run build
- node --experimental-strip-types --test ccw/tests/cli-command.test.ts
- node --experimental-strip-types --test ccw/tests/issue-command.test.ts

* feat(cli): Improve multi-line prompt guidance

## Solution Summary
- Solution-ID: SOL-DSC-018-1
- Issue-ID: DSC-018
- Queue-Item: S-18
- Risk/Impact/Complexity: low/medium/low

## Tasks Completed
- [T1] Update CLI help to emphasize --file option: Update ccw/src/commands/cli.ts
- [T2] Add inline hint for multi-line detection: Update ccw/src/commands/cli.ts

## Files Modified
- ccw/src/commands/cli.ts
- ccw/tests/cli-command.test.ts

## Verification
- npm run build
- node --experimental-strip-types --test ccw/tests/cli-command.test.ts

---------

Co-authored-by: catlog22 <catlog22@github.com>

ccw/src/core/auth/csrf-middleware.ts

@@ -0,0 +1,158 @@
+import type http from 'http';
+import type { IncomingMessage, ServerResponse } from 'http';
+import { randomBytes } from 'crypto';
+import { getCsrfTokenManager } from './csrf-manager.js';
+
+export interface CsrfMiddlewareContext {
+  pathname: string;
+  req: IncomingMessage;
+  res: ServerResponse;
+}
+
+function getHeaderValue(header: string | string[] | undefined): string | null {
+  if (!header) return null;
+  if (Array.isArray(header)) return header[0] ?? null;
+  return header;
+}
+
+function parseCookieHeader(cookieHeader: string | null | undefined): Record<string, string> {
+  if (!cookieHeader) return {};
+
+  const cookies: Record<string, string> = {};
+  for (const part of cookieHeader.split(';')) {
+    const [rawName, ...rawValueParts] = part.trim().split('=');
+    if (!rawName) continue;
+    const rawValue = rawValueParts.join('=');
+    try {
+      cookies[rawName] = decodeURIComponent(rawValue);
+    } catch {
+      cookies[rawName] = rawValue;
+    }
+  }
+  return cookies;
+}
+
+function appendSetCookie(res: ServerResponse, cookie: string): void {
+  const existing = res.getHeader('Set-Cookie');
+  if (!existing) {
+    res.setHeader('Set-Cookie', cookie);
+    return;
+  }
+
+  if (Array.isArray(existing)) {
+    res.setHeader('Set-Cookie', [...existing, cookie]);
+    return;
+  }
+
+  res.setHeader('Set-Cookie', [String(existing), cookie]);
+}
+
+function setCsrfCookie(res: ServerResponse, token: string, maxAgeSeconds: number): void {
+  const attributes = [
+    `XSRF-TOKEN=${encodeURIComponent(token)}`,
+    'Path=/',
+    'HttpOnly',
+    'SameSite=Strict',
+    `Max-Age=${maxAgeSeconds}`,
+  ];
+  appendSetCookie(res, attributes.join('; '));
+}
+
+function envFlagEnabled(name: string): boolean {
+  const value = process.env[name];
+  if (!value) return false;
+  return ['1', 'true', 'yes', 'on'].includes(value.trim().toLowerCase());
+}
+
+async function readRawBody(req: IncomingMessage): Promise<string> {
+  const withCache = req as http.IncomingMessage & { __ccwRawBody?: string };
+  if (typeof withCache.__ccwRawBody === 'string') return withCache.__ccwRawBody;
+
+  return new Promise((resolve, reject) => {
+    let body = '';
+    req.on('data', (chunk) => {
+      body += chunk.toString();
+    });
+    req.on('end', () => {
+      withCache.__ccwRawBody = body;
+      resolve(body);
+    });
+    req.on('error', reject);
+  });
+}
+
+async function readJsonBody(req: IncomingMessage): Promise<unknown> {
+  const withCache = req as http.IncomingMessage & { body?: unknown };
+  if (withCache.body !== undefined) return withCache.body;
+
+  const raw = await readRawBody(req);
+  if (!raw) return undefined;
+
+  try {
+    const parsed = JSON.parse(raw) as unknown;
+    withCache.body = parsed;
+    return parsed;
+  } catch {
+    return undefined;
+  }
+}
+
+function extractCsrfTokenFromBody(body: unknown): string | null {
+  if (!body || typeof body !== 'object') return null;
+  const record = body as Record<string, unknown>;
+  const token = record.csrfToken;
+  return typeof token === 'string' && token ? token : null;
+}
+
+function writeJson(res: ServerResponse, status: number, body: Record<string, unknown>): void {
+  res.writeHead(status, { 'Content-Type': 'application/json; charset=utf-8' });
+  res.end(JSON.stringify(body));
+}
+
+export async function csrfValidation(ctx: CsrfMiddlewareContext): Promise<boolean> {
+  const { pathname, req, res } = ctx;
+
+  if (!pathname.startsWith('/api/')) return true;
+  if (envFlagEnabled('CCW_DISABLE_CSRF')) return true;
+
+  const method = (req.method || 'GET').toUpperCase();
+  if (!['POST', 'PUT', 'PATCH', 'DELETE'].includes(method)) return true;
+
+  // Always allow token acquisition routes.
+  if (pathname === '/api/auth/token') return true;
+
+  // Requests authenticated via Authorization header do not require CSRF protection.
+  const authorization = getHeaderValue(req.headers.authorization);
+  if (authorization && /^Bearer\s+.+$/i.test(authorization)) return true;
+
+  const headerToken = getHeaderValue(req.headers['x-csrf-token']);
+  const cookies = parseCookieHeader(getHeaderValue(req.headers.cookie));
+  const cookieToken = cookies['XSRF-TOKEN'];
+
+  let bodyToken: string | null = null;
+  if (!headerToken && !cookieToken) {
+    const body = await readJsonBody(req);
+    bodyToken = extractCsrfTokenFromBody(body);
+  }
+
+  const token = headerToken || bodyToken || cookieToken || null;
+  const sessionId = cookies.ccw_session_id;
+
+  if (!token || !sessionId) {
+    writeJson(res, 403, { error: 'CSRF validation failed' });
+    return false;
+  }
+
+  const tokenManager = getCsrfTokenManager();
+  const ok = tokenManager.validateToken(token, sessionId);
+  if (!ok) {
+    writeJson(res, 403, { error: 'CSRF validation failed' });
+    return false;
+  }
+
+  const nextToken = tokenManager.generateToken(sessionId);
+  res.setHeader('X-CSRF-Token', nextToken);
+  setCsrfCookie(res, nextToken, 15 * 60);
+
+  return true;
+}