Add CHANGELOG.md with full version history since 2.0

CHANGELOG.md

@@ -0,0 +1,143 @@
+# Changelog
+
+All notable changes to **Checkmk SwissKnife** are documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [2.16.1] - 2026-07-13
+
+### Fixed
+- "Relevant only" filter bar never appeared on `edit_ruleset` pages opened with host/service context: "no match" rows were counted as relevant, so there was never anything to hide. The filter now hides exactly the non-matching rows.
+- Idempotency guard was set at the top of the filter function, so a first attempt running before the rule table rendered blocked all later attempts. The guard is now set only when the bar is actually inserted.
+
+## [2.16.0] - 2026-07-09
+
+### Added
+- Quick status filter buttons (Disabled / Online / Timeout / Not running) on the Distributed monitoring page (`mode=sites`). One filter active at a time; clicking the active one clears it.
+
+### Changed
+- Declared Checkmk compatibility updated to 2.3.x – 2.4.x.
+
+## [2.15.3] - 2026-07-01
+
+### Changed
+- `@homepageURL` now points to the GitHub repository.
+- Added `@license CC-BY-NC-4.0` to the UserScript header.
+- README: added GreasyFork link in the Installation section.
+
+## [2.15.2] - 2026-07-01
+
+### Fixed
+- "Configure in WATO" menu missing on `view.py` without sidebar when there were no pending changes (WATO access detection no longer depends on the changelog link).
+
+## [2.15.1] - 2026-07-01
+
+### Fixed
+- Collapse All / Expand All buttons no longer appear on `view.py` (they are only relevant on `wato.py` pages).
+
+## [2.15.0] - 2026-07-01
+
+### Added
+- **Collapse All / Expand All** buttons in the top menu bar on pages with accordions (`edit_host`, `bulkedit`, `editfolder`, `edit_ruleset`).
+
+## [2.14.0] - 2026-07-01
+
+### Added
+- Dedicated **Extra** column in monitoring view tables with per-host action buttons: open Service Discovery, copy FQDN, copy short hostname, copy IP (from the hostname tooltip).
+
+## [2.13.3] - 2026-06-30
+
+### Added
+- Auto-check of the "Activate foreign changes" checkbox when opening the activation page (`mode=changelog`).
+
+## [2.13.2] - 2026-06-30
+
+### Changed
+- "Configure in WATO" menu UX: more visible select, `Select hosts (n)` placeholder, "Apri" button starts disabled/grey and turns blue only after a selection.
+
+## [2.13.1] - 2026-06-25
+
+### Changed
+- Source comments translated to English; public README added.
+- License: CC BY-NC 4.0.
+
+## [2.13.0] - 2026-06-23
+
+### Added
+- **Configure in WATO** menu on `view.py`: paginated host select (50 hosts per page) plus an "Apri" button that opens WATO pre-filtered by exact hostname regex for bulk editing.
+
+## [2.12.4] - 2026-06-23
+
+### Changed
+- Folder search: `>`, `/` and `›` are treated as equivalent path separators.
+
+## [2.12.3] - 2026-06-23
+
+### Added
+- Folder select enhancement extended to the Folder filter (`wato_folder`) in monitoring views.
+
+## [2.12.2] - 2026-06-23
+
+### Added
+- Accordion badges on the `editfolder` page (folder properties).
+
+## [2.12.1] - 2026-06-23
+
+### Fixed
+- Monitored/disabled host counters and encoding corruption cleanup.
+
+## [2.12.0] - 2026-06-23
+
+### Added
+- Monitored/disabled host counters in the WATO folder page heading.
+
+## [2.11.0] - 2026-06-23
+
+### Added
+- **Monitoring button** next to each active host on WATO folder pages (`mode=folder`), opening the host monitoring view in a new tab.
+
+## [2.10.0] - 2026-06-19
+
+### Changed
+- Service Discovery button restored as `<a>` element, enabling middle-click / open in new tab.
+
+## [2.9.x] - 2026-06-17
+
+### Added
+- Service Discovery button next to each hostname on `view.py` (2.9.0).
+- Copy-hostname and copy-short-hostname clipboard buttons (2.9.3, 2.9.5).
+
+### Changed
+- Iterative icon/spacing refinements on the host action buttons (2.9.1 – 2.9.9).
+
+## [2.8.x] - 2026-06-17
+
+### Added
+- **Relevant only** filter toggle on `edit_ruleset`: hides rows and folders not marked by the highlight features (2.8.0).
+
+### Fixed
+- Toggle hidden on `edit_ruleset` pages with no active search (2.8.1).
+
+## [2.7.x] - 2026-06-17
+
+### Added
+- **Rule match status highlight** on `edit_ruleset` with host/service context: green `✓ match` badge and dimmed `✗ no match` badge replace the barely visible icons (2.7.0).
+- Match badges extended to tag-based searches (2.7.1).
+
+## [2.6.x] - 2026-06-17
+
+### Added
+- **Ineffective rule highlight** on `edit_ruleset` pages: amber badge and row border replace the `icon_hyphen` icon (2.6).
+
+### Changed
+- Versioning migrated to SemVer `major.minor.patch` (2.6.0).
+
+## [2.0 – 2.5] - 2026-06-04 / 2026-06-16
+
+### Added
+- Initial public release: **folder path select enhancement** in WATO (full "Root › Level › Leaf" path display with search) (2.0).
+- **Accordion badges** on `edit_host`: active checkbox count per section (2.1), inherited-values count (2.2), extension to `bulkedit` (2.4) with conflicting-values badge (2.5).
+
+### Fixed
+- URL-based guards so features only activate on their target pages (2.3).