Task #961: per-tracker Environment column (checkEnv) in issuetrackerView
Issue #960: issuetracker_management write gating implemented (docs + screenshots)
Issue Tracker Management: access-rights section + denied screenshot (Refs #959)
add: Issue Tracker + Code Tracker Management wiki pages Issue Tracker: - What it is and why it matters - 10 supported systems (GitHub, GitLab, JIRA, Redmine, Bugzilla, Mantis...) - Full GitHub setup example with XML config - Real-world workflow: test → bug → fix → retest Code Tracker: - Difference from Issue Tracker - Complete traceability: requirement → test → bug → commit → PR - GitHub as primary example for open source - Full lifecycle example with sebiboga/testlink-upgraded