4-Pane iTerm2 Setup for Claude Code CLI Separates AI Roles
Problem and Solution
A developer using Claude Code CLI encountered two persistent issues: context drift where sessions become messy and lose thread after dozens of turns, and self-grading bias where a single model both implements and audits its own code, leading to silent failures.
The solution is a four-pane iTerm2 terminal arrangement with each pane dedicated to a specific role, built specifically for Claude Code.
Pane Configuration
- AUDIT (Opus, read-only): Adversarial review only, enforced so it can't write files
- IMPL (Sonnet): Implementation and running tests
- PROMPT: Prompt engineering and iteration, separate from code
- PLAN: Architecture discussions and documentation, zero file-writes
Technical Implementation
A cc alias in each pane launches Claude with the right model, effort level, and permissions automatically. The setup uses $ITERM_PROFILE (set natively by iTerm2) rather than a custom environment variable, so it survives crashes and window arrangement restores without extra ceremony.
The developer has published a free guide with complete implementation details including .zshrc snippets at pravindurgani.github.io/claude-code-multipane-iterm2/.
📖 Read the full source: r/ClaudeAI
👀 See Also
Calmkeep: An External Continuity Layer to Counter LLM Drift in Extended Sessions
Calmkeep is an external continuity layer designed to counteract LLM drift in extended sessions, showing 85% integrity vs 60% for standard Claude in a 25-turn backend build test and 100% vs 50% in a legal session.
LLM Circuit Finder: Duplicate 3 layers to boost reasoning without training
A new toolkit finds 'reasoning circuits' in transformer models - contiguous blocks of 3-4 layers that act as indivisible cognitive units. Duplicating these blocks (layers 12-14 in Devstral-24B) improves logical deduction from 0.22 to 0.76 on BBH benchmarks with no weight changes or training.
Qwen 3.5 35B Running on 8GB VRAM with llama.cpp Configuration
A developer shares their llama.cpp configuration for running Qwen 3.5 35B (Q4_K_M GGUF) on an RTX 4060m with 8GB VRAM, achieving 700 t/s prompt processing and 42 t/s generation, and discusses using Cline in VSCode with kat-coder-pro and qwen3.5 modes.
Introducing Roam-Code CLI: A Faster, Deterministic Alternative for Code Exploration
Roam-Code CLI replaces Claude Code's explore phase with a faster, deterministic alternative that indexes codebases for improved efficiency.