chore: restore .claude commands, agents, helpers & skills (lost in 1df208d)

Restores the entire .claude/ infrastructure that was accidentally deleted in commit 1df208d ('feat(timeline): add pulse animation for in-flight drag mutations'). Recovered via git checkout 1df208d^. Restored: - .claude/commands/ (gitlooper, sparc/, github/, automation/, monitoring/, optimization/, hooks/, plan, implement, research, review, perf, visualaudit) - .claude/agents/ (core/, github/, sparc/, v3/, swarm/, templates/, ...) - .claude/helpers/ (41 scripts incl. hook-handler.cjs, statusline.cjs) - .claude/skills/ (20 skills incl. sparc-methodology, github-*, v3-*) - .claude/settings.json (hooks configuration) Also updated all CapaKraken → Nexus references in affected command files. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-08-15 11:43:52 +02:00
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+---
+name: "V3 Security Overhaul"
+description: "Complete security architecture overhaul for claude-flow v3. Addresses critical CVEs (CVE-1, CVE-2, CVE-3) and implements secure-by-default patterns. Use for security-first v3 implementation."
+---
+
+# V3 Security Overhaul
+
+## What This Skill Does
+
+Orchestrates comprehensive security overhaul for claude-flow v3, addressing critical vulnerabilities and establishing security-first development practices using specialized v3 security agents.
+
+## Quick Start
+
+```bash
+# Initialize V3 security domain (parallel)
+Task("Security architecture", "Design v3 threat model and security boundaries", "v3-security-architect")
+Task("CVE remediation", "Fix CVE-1, CVE-2, CVE-3 critical vulnerabilities", "security-auditor")
+Task("Security testing", "Implement TDD London School security framework", "test-architect")
+```
+
+## Critical Security Fixes
+
+### CVE-1: Vulnerable Dependencies
+
+```bash
+npm update @anthropic-ai/claude-code@^2.0.31
+npm audit --audit-level high
+```
+
+### CVE-2: Weak Password Hashing
+
+```typescript
+// ❌ Old: SHA-256 with hardcoded salt
+const hash = crypto
+  .createHash("sha256")
+  .update(password + salt)
+  .digest("hex");
+
+// ✅ New: bcrypt with 12 rounds
+import bcrypt from "bcrypt";
+const hash = await bcrypt.hash(password, 12);
+```
+
+### CVE-3: Hardcoded Credentials
+
+```typescript
+// ✅ Generate secure random credentials
+const apiKey = crypto.randomBytes(32).toString("hex");
+```
+
+## Security Patterns
+
+### Input Validation (Zod)
+
+```typescript
+import { z } from "zod";
+
+const TaskSchema = z.object({
+  taskId: z.string().uuid(),
+  content: z.string().max(10000),
+  agentType: z.enum(["security", "core", "integration"]),
+});
+```
+
+### Path Sanitization
+
+```typescript
+function securePath(userPath: string, allowedPrefix: string): string {
+  const resolved = path.resolve(allowedPrefix, userPath);
+  if (!resolved.startsWith(path.resolve(allowedPrefix))) {
+    throw new SecurityError("Path traversal detected");
+  }
+  return resolved;
+}
+```
+
+### Safe Command Execution
+
+```typescript
+import { execFile } from "child_process";
+
+// ✅ Safe: No shell interpretation
+const { stdout } = await execFile("git", [userInput], { shell: false });
+```
+
+## Success Metrics
+
+- **Security Score**: 90/100 (npm audit + custom scans)
+- **CVE Resolution**: 100% of critical vulnerabilities fixed
+- **Test Coverage**: >95% security-critical code
+- **Implementation**: All secure patterns documented and tested