ipcheck v0.6.0
Adds a clear developer-readiness score and graceful cancellation.\n\n- Shows a transparent 0–100 readiness score with practical labels\n- Clearly states that the score is rule-based, not a user percentile\n- Displays a localized Ctrl+C cancellation hint\n- Stops managed curl/networkQuality children promptly on SIGINT or SIGTERM\n- Returns conventional exit codes 130/143 and cleans temporary files\n- Adds score, score_label, and score_method to JSON\n\nSee CHANGELOG.md for details.