Files
everything-claude-code/skills/continuous-learning/evaluate-session.sh
Affaan Mustafa ed7ec29ead fix: migrate hooks to stdin JSON input, fix duplicate main() calls, add threshold validation
- Migrate session-end.js and evaluate-session.js from CLAUDE_TRANSCRIPT_PATH
  env var to stdin JSON transcript_path (correct hook input mechanism)
- Remove duplicate main() calls that ran before stdin was read, causing
  session files to be created with empty data
- Add range validation (1-10000) on COMPACT_THRESHOLD in suggest-compact.js
  to prevent negative or absurdly large thresholds
- Add integration/hooks.test.js to tests/run-all.js so CI runs all 97 tests
- Update evaluate-session.sh to parse transcript_path from stdin JSON
- Update hooks.test.js to pass transcript_path via stdin instead of env var
- Sync .cursor/ copies
2026-02-12 15:33:55 -08:00

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#!/bin/bash
# Continuous Learning - Session Evaluator
# Runs on Stop hook to extract reusable patterns from Claude Code sessions
#
# Why Stop hook instead of UserPromptSubmit:
# - Stop runs once at session end (lightweight)
# - UserPromptSubmit runs every message (heavy, adds latency)
#
# Hook config (in ~/.claude/settings.json):
# {
# "hooks": {
# "Stop": [{
# "matcher": "*",
# "hooks": [{
# "type": "command",
# "command": "~/.claude/skills/continuous-learning/evaluate-session.sh"
# }]
# }]
# }
# }
#
# Patterns to detect: error_resolution, debugging_techniques, workarounds, project_specific
# Patterns to ignore: simple_typos, one_time_fixes, external_api_issues
# Extracted skills saved to: ~/.claude/skills/learned/
set -e
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
CONFIG_FILE="$SCRIPT_DIR/config.json"
LEARNED_SKILLS_PATH="${HOME}/.claude/skills/learned"
MIN_SESSION_LENGTH=10
# Load config if exists
if [ -f "$CONFIG_FILE" ]; then
if ! command -v jq &>/dev/null; then
echo "[ContinuousLearning] jq is required to parse config.json but not installed, using defaults" >&2
else
MIN_SESSION_LENGTH=$(jq -r '.min_session_length // 10' "$CONFIG_FILE")
LEARNED_SKILLS_PATH=$(jq -r '.learned_skills_path // "~/.claude/skills/learned/"' "$CONFIG_FILE" | sed "s|~|$HOME|")
fi
fi
# Ensure learned skills directory exists
mkdir -p "$LEARNED_SKILLS_PATH"
# Get transcript path from stdin JSON (Claude Code hook input)
# Falls back to env var for backwards compatibility
stdin_data=$(cat)
transcript_path=$(echo "$stdin_data" | grep -o '"transcript_path":"[^"]*"' | head -1 | cut -d'"' -f4)
if [ -z "$transcript_path" ]; then
transcript_path="${CLAUDE_TRANSCRIPT_PATH:-}"
fi
if [ -z "$transcript_path" ] || [ ! -f "$transcript_path" ]; then
exit 0
fi
# Count messages in session
message_count=$(grep -c '"type":"user"' "$transcript_path" 2>/dev/null || echo "0")
# Skip short sessions
if [ "$message_count" -lt "$MIN_SESSION_LENGTH" ]; then
echo "[ContinuousLearning] Session too short ($message_count messages), skipping" >&2
exit 0
fi
# Signal to Claude that session should be evaluated for extractable patterns
echo "[ContinuousLearning] Session has $message_count messages - evaluate for extractable patterns" >&2
echo "[ContinuousLearning] Save learned skills to: $LEARNED_SKILLS_PATH" >&2