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Colby McHenry
25cba9ad7b
Dev-only validation harness for the dynamic-dispatch coverage work:
- probe-{trace,node,context,explore}.mjs: drive MCP tools against a built index
without a full agent run.
- block-read-hook.sh + hook-settings.json: PreToolUse experiment that denies
source Reads to measure codegraph sufficiency (forced Read-0).
- docs/design/: callback-edge-synthesis + dynamic-dispatch-coverage playbook.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
20 lines
1.2 KiB
Bash
20 lines
1.2 KiB
Bash
#!/usr/bin/env bash
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# PreToolUse hook (experiment): deny Read of codegraph-indexed source files and
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# steer the agent to codegraph_explore/codegraph_node instead. Tests whether
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# codegraph can FULLY replace Read for code-understanding once the escape hatch
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# is removed. Non-source reads (config, .env, markdown, new files) pass through.
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#
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# Wire via: claude ... --settings scripts/agent-eval/hook-settings.json
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set -uo pipefail
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input="$(cat)"
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fp="$(printf '%s' "$input" | jq -r '.tool_input.file_path // empty' 2>/dev/null)"
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case "$fp" in
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*.ts|*.tsx|*.js|*.jsx|*.mjs|*.cjs|*.py|*.go|*.rs|*.java|*.rb|*.php|*.swift|*.kt|*.kts|*.c|*.cc|*.cpp|*.h|*.hpp|*.cs|*.lua|*.vue|*.svelte)
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msg="Read is disabled for source files in this session — codegraph already has this file indexed (with line numbers, kept in sync on every change). Use codegraph_explore (several related symbols at once) or codegraph_node (one symbol's full source). If a symbol you need wasn't in a prior explore, run ANOTHER codegraph_explore with its exact name instead of reading the file."
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jq -n --arg m "$msg" '{reason:$m, hookSpecificOutput:{hookEventName:"PreToolUse",permissionDecision:"deny",permissionDecisionReason:$m}}'
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exit 0
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;;
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esac
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exit 0
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