785727d16c
- Multi-word AND search (all words must match) - Project filter (-p, --project) - Date filter (--since today/7d/30d/YYYY-MM-DD) - JSON output (--json) for scripting - Improved preview extraction (skips tool results) - 3s search timeout for safety - Updated documentation in observability.md Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
357 lines
10 KiB
Bash
Executable file
357 lines
10 KiB
Bash
Executable file
#!/bin/bash
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# session-search.sh - Fast Claude Code session search & resume (v2.0)
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#
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# Zero-dependency bash script to search past Claude Code conversations
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# and generate ready-to-use resume commands.
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#
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# Usage:
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# cs # List 10 most recent sessions
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# cs "keyword" # Single keyword search
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# cs "Prisma migration" # Multi-word AND search (both must match)
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# cs -n 20 # Show 20 results
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# cs -p myproject "bug" # Filter by project name
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# cs --since 7d # Sessions from last 7 days
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# cs --json "api" # JSON output for scripting
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# cs --rebuild # Force index rebuild
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#
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# Smart refresh:
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# Index auto-rebuilds when any session file is newer than the index.
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#
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# Performance:
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# - List recent: ~15ms (cached index)
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# - Keyword search: ~400ms (multi-word AND)
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# - Index rebuild: ~5s for 200 sessions
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# - Timeout: 3s max for searches
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#
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# Installation:
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# cp session-search.sh ~/.claude/scripts/cs
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# chmod +x ~/.claude/scripts/cs
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# echo "alias cs='~/.claude/scripts/cs'" >> ~/.zshrc
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set -euo pipefail
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INDEX="$HOME/.claude/sessions.idx"
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PROJECTS="$HOME/.claude/projects"
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LIMIT=10
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PROJECT_FILTER=""
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SINCE_DATE=""
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OUTPUT_JSON=false
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MAX_SEARCH_TIME=3
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# Colors (disabled for JSON output)
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C_CYAN='\033[36m'
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C_YELLOW='\033[33m'
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C_DIM='\033[2m'
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C_RESET='\033[0m'
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show_help() {
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cat << 'EOF'
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Usage: cs [OPTIONS] [KEYWORD]
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Search and resume Claude Code sessions.
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Options:
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-n <N> Show N results (default: 10)
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-p, --project <P> Filter by project name (substring match)
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--since <DATE> Filter sessions since DATE
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Formats: YYYY-MM-DD, today, yesterday, 7d, 30d
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--json Output as JSON (for scripting)
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--rebuild Force index rebuild
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-h, --help Show this help
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Examples:
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cs # 10 most recent sessions
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cs "api" # Search for "api"
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cs "Prisma migration" # Multi-word AND search (both must match)
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cs -p myproject "bug" # Search "bug" in myproject only
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cs --since today # Today's sessions
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cs --since 7d "fix" # "fix" in last 7 days
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cs --json "api" | jq . # JSON output for scripting
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Output:
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Each result shows date, project, preview, and a ready-to-copy command:
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claude --resume <session-id>
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EOF
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}
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# Parse --since date to YYYY-MM-DD format
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parse_since() {
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local input="$1"
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case "$input" in
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today)
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date +%Y-%m-%d
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;;
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yesterday)
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date -v-1d +%Y-%m-%d 2>/dev/null || date -d "yesterday" +%Y-%m-%d
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;;
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*d)
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local days="${input%d}"
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date -v-${days}d +%Y-%m-%d 2>/dev/null || date -d "-${days} days" +%Y-%m-%d
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;;
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*)
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echo "$input"
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;;
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esac
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}
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# Extract readable preview from session file
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extract_preview() {
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local file="$1"
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local max_len="${2:-60}"
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# Find first user message with simple string content (not array)
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# Skip messages that look like tool results or file references
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local preview=$(grep '"type":"user"' "$file" 2>/dev/null | \
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grep -v '"content":\[' | \
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grep -v 'file-history-snapshot' | \
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head -1 | \
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sed 's/.*"content":"\([^"]*\).*/\1/' | \
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sed 's/\\n/ /g' | \
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sed 's/@[^ ]*//g' | \
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sed 's/ */ /g' | \
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cut -c1-"$max_len" | \
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tr -d '\n')
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# Fallback: if empty or still looks like JSON, use generic text
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if [[ -z "$preview" || "$preview" == "{"* ]]; then
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preview="(session)"
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fi
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echo "$preview"
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}
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# Extract clean project name from path
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extract_project() {
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local dir="$1"
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basename "$dir" | \
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sed 's/^-Users-[^-]*-Sites-perso-//' | \
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sed 's/^-Users-[^-]*-Sites-//' | \
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sed 's/^-Users-[^-]*-//'
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}
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build_index() {
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echo "Indexing sessions..." >&2
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: > "$INDEX"
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local count=0
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for f in "$PROJECTS"/*/*.jsonl; do
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[[ -f "$f" ]] || continue
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# Skip agent/subagent sessions
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[[ "$(basename "$f")" == agent* ]] && continue
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local id=$(basename "$f" .jsonl)
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local proj=$(extract_project "$(dirname "$f")")
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local mtime=$(stat -f "%Sm" -t "%Y-%m-%d %H:%M" "$f" 2>/dev/null || \
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stat -c "%y" "$f" 2>/dev/null | cut -d: -f1-2)
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local msg=$(extract_preview "$f" 60)
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[[ -n "$msg" ]] && {
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printf '%s\t%s\t%s\t%s\n' "$mtime" "$proj" "$id" "$msg" >> "$INDEX"
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count=$((count + 1))
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}
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done
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sort -rk1 "$INDEX" -o "$INDEX"
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echo "Indexed $count sessions" >&2
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}
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needs_refresh() {
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[[ ! -f "$INDEX" ]] && return 0
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local newer=$(find "$PROJECTS" -name "*.jsonl" -newer "$INDEX" 2>/dev/null | head -1)
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[[ -n "$newer" ]] && return 0
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return 1
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}
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# Check if date is after since filter
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check_since() {
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local mtime="$1"
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[[ -z "$SINCE_DATE" ]] && return 0
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# Extract just the date part (YYYY-MM-DD)
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local session_date="${mtime%% *}"
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[[ "$session_date" > "$SINCE_DATE" || "$session_date" == "$SINCE_DATE" ]]
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}
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# Check if project matches filter
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check_project() {
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local proj="$1"
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[[ -z "$PROJECT_FILTER" ]] && return 0
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[[ "$proj" == *"$PROJECT_FILTER"* ]]
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}
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# Multi-word AND search: all words must be present
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check_pattern() {
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local file="$1"
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local pattern="$2"
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[[ -z "$pattern" ]] && return 0
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# Split pattern into words
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local words=($pattern)
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# Check ALL words are present (AND logic)
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for word in "${words[@]}"; do
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grep -qi "$word" "$file" 2>/dev/null || return 1
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done
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return 0
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}
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# Display a single result
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display_result() {
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local date="$1" proj="$2" id="$3" msg="$4"
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if [[ "$OUTPUT_JSON" == true ]]; then
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printf '{"date":"%s","project":"%s","id":"%s","preview":"%s","resume":"claude --resume %s"}' \
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"$date" "$proj" "$id" "${msg//\"/\\\"}" "$id"
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else
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printf "${C_CYAN}%s${C_RESET} │ ${C_YELLOW}%-22s${C_RESET} │ %.50s...\n" "$date" "$proj" "$msg"
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printf " ${C_DIM}claude --resume %s${C_RESET}\n\n" "$id"
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fi
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}
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search_fulltext() {
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local pattern="$1"
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local start_time=$(date +%s)
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local found=0
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# Collect results for sorting
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declare -a results=()
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for f in "$PROJECTS"/*/*.jsonl; do
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[[ -f "$f" ]] || continue
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[[ "$(basename "$f")" == agent* ]] && continue
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# Timeout check
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local now=$(date +%s)
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if (( now - start_time > MAX_SEARCH_TIME )); then
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[[ "$OUTPUT_JSON" != true ]] && echo "Search timed out after ${MAX_SEARCH_TIME}s" >&2
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break
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fi
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# Multi-word AND search
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check_pattern "$f" "$pattern" || continue
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local id=$(basename "$f" .jsonl)
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local proj=$(extract_project "$(dirname "$f")")
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local mtime=$(stat -f "%Sm" -t "%Y-%m-%d %H:%M" "$f" 2>/dev/null || \
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stat -c "%y" "$f" 2>/dev/null | cut -d: -f1-2)
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# Apply filters
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check_project "$proj" || continue
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check_since "$mtime" || continue
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local msg=$(extract_preview "$f" 50)
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# Store for sorting (pipe-delimited)
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results+=("${mtime}|${proj}|${id}|${msg}")
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found=$((found + 1))
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done
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# Sort by date descending and display
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if [[ ${#results[@]} -gt 0 ]]; then
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if [[ "$OUTPUT_JSON" == true ]]; then
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echo -n '{"sessions":['
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local first=true
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printf '%s\n' "${results[@]}" | sort -rk1 -t'|' | head -"$LIMIT" | while IFS='|' read -r date proj id msg; do
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[[ "$first" != true ]] && echo -n ','
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first=false
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display_result "$date" "$proj" "$id" "$msg"
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done
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echo ']}'
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else
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echo ""
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printf '%s\n' "${results[@]}" | sort -rk1 -t'|' | head -"$LIMIT" | while IFS='|' read -r date proj id msg; do
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display_result "$date" "$proj" "$id" "$msg"
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done
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fi
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else
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if [[ "$OUTPUT_JSON" == true ]]; then
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echo '{"sessions":[]}'
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else
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echo "No sessions found${pattern:+ matching '$pattern'}."
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fi
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fi
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}
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search() {
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local pattern="$1"
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if [[ -z "$pattern" && -z "$PROJECT_FILTER" && -z "$SINCE_DATE" ]]; then
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# No filters = use fast index
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needs_refresh && build_index
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local results=$(head -"$LIMIT" "$INDEX")
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if [[ -z "$results" ]]; then
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if [[ "$OUTPUT_JSON" == true ]]; then
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echo '{"sessions":[]}'
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else
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echo "No sessions found."
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fi
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return
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fi
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if [[ "$OUTPUT_JSON" == true ]]; then
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echo -n '{"sessions":['
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local first=true
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echo "$results" | while IFS=$'\t' read -r date proj id msg; do
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[[ "$first" != true ]] && echo -n ','
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first=false
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display_result "$date" "$proj" "$id" "$msg"
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done
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echo ']}'
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else
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echo ""
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echo "$results" | while IFS=$'\t' read -r date proj id msg; do
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display_result "$date" "$proj" "$id" "$msg"
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done
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fi
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else
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# Filters or pattern = full-text search
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search_fulltext "$pattern"
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fi
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}
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# Parse arguments
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KEYWORD=""
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while [[ $# -gt 0 ]]; do
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case "$1" in
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-h|--help)
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show_help
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exit 0
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;;
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--rebuild)
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build_index
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exit 0
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;;
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-n)
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LIMIT="$2"
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shift 2
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;;
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-p|--project)
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PROJECT_FILTER="$2"
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shift 2
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;;
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--since)
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SINCE_DATE=$(parse_since "$2")
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shift 2
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;;
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--json)
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OUTPUT_JSON=true
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C_CYAN='' C_YELLOW='' C_DIM='' C_RESET=''
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shift
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;;
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-*)
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echo "Unknown option: $1" >&2
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show_help
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exit 1
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;;
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*)
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KEYWORD="$1"
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shift
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;;
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esac
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done
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search "$KEYWORD"
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