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Next.js useRouter vs redirect vs permanentRedirect in App Router: Choosing the Right Navigation Primitive
September 10, 2026
Master Next.js App Router navigation by understanding when to use useRouter, redirect, and permanentRedirect. Learn the technical differences, performance implications, and real-world patterns that prevent runtime crashes and SEO penalties.
Claude Code vs Direct Anthropic API in 2026: When to Use the SDK and When the Raw API Gives You More Control
September 9, 2026
Most teams choose the wrong integration layer when building with Claude. The Claude Agent SDK ships with convenience tools that hide critical control points, while the raw Anthropic API exposes every token and state transition. This post maps the decision framework so you pick the right abstraction for your workload.
Claude Code Permission Modes in 2026: What `--allowedTools`, Whitelists, and Sandbox Boundaries Actually Restrict
September 8, 2026
Most Claude Code security failures stem from misunderstanding where permission modes end and sandbox boundaries begin. This post breaks down the four modes, `--allowedTools` whitelisting, and how bubblewrap restrictions work together to prevent unauthorized access.
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