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https://github.com/harivansh-afk/claude-continual-learning.git
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86 lines
2.6 KiB
Bash
Executable file
86 lines
2.6 KiB
Bash
Executable file
#!/bin/bash
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# SessionEnd Hook - Triggers learning extraction
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#
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# This hook runs automatically after each Claude Code session.
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# It spawns a background process to analyze the session and update learnings.
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#
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LOG_FILE="${CLAUDE_PROJECT_DIR:-.}/.claude/hooks/session-end.log"
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log() {
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echo "[$(date '+%Y-%m-%d %H:%M:%S')] $1" >> "$LOG_FILE"
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}
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# Read hook input from stdin (JSON with session info)
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INPUT=$(cat)
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log "Hook triggered with input: $INPUT"
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# Extract transcript path using jq (required dependency)
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if ! command -v jq &> /dev/null; then
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log "ERROR: jq not available"
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exit 0
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fi
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TRANSCRIPT=$(echo "$INPUT" | jq -r '.transcript_path // empty')
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SESSION_ID=$(echo "$INPUT" | jq -r '.session_id // empty')
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PROJECT_DIR="${CLAUDE_PROJECT_DIR:-.}"
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log "Transcript: $TRANSCRIPT"
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log "Session ID: $SESSION_ID"
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log "Project dir: $PROJECT_DIR"
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# Validate transcript exists
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if [ -z "$TRANSCRIPT" ]; then
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log "ERROR: No transcript path in input"
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exit 0
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fi
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if [ ! -f "$TRANSCRIPT" ]; then
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log "ERROR: Transcript file does not exist: $TRANSCRIPT"
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exit 0
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fi
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# Only run retrospective if session was substantial (more than 10 lines)
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LINE_COUNT=$(wc -l < "$TRANSCRIPT" 2>/dev/null || echo "0")
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log "Transcript line count: $LINE_COUNT"
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if [ "$LINE_COUNT" -lt 10 ]; then
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log "Session too short, skipping retrospective"
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exit 0
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fi
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# Check if learnings.md exists (system is properly set up)
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LEARNINGS_FILE="$PROJECT_DIR/.claude/skills/codebase-agent/learnings.md"
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if [ ! -f "$LEARNINGS_FILE" ]; then
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log "ERROR: learnings.md not found at $LEARNINGS_FILE"
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exit 0
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fi
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log "Starting retrospective analysis in background..."
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# Run retrospective in background using claude with skill invocation
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# Use nohup to ensure the process survives after hook exits
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# cd to project dir since --cwd is not a valid flag
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(
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cd "$PROJECT_DIR" && nohup claude --dangerously-skip-permissions -p "$(cat <<EOF
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Analyze the coding session that just ended and extract valuable learnings.
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Session transcript is at: $TRANSCRIPT
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Your task:
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1. Read the transcript file to understand what happened in the session
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2. Identify patterns (what worked), failures (what to avoid), edge cases, and technology insights
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3. Read the current learnings file at: $LEARNINGS_FILE
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4. Add any NEW valuable learnings to the appropriate sections - skip generic knowledge
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5. Use the format: ### Title, then bullet points for Context, Learning, Example (optional), Session date
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Be selective - only add genuinely useful, project-specific insights that will help future sessions.
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EOF
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)" \
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>> "$LOG_FILE" 2>&1 &
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) &
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log "Background process spawned"
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# Exit immediately - don't wait for background process
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exit 0
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