feat: add canonical agent workflow package (#19)

* feat: add Truth Sync intent checklist

* feat: add canonical agent workflow package

Add the .truthmark/agent canonical workflow package, convert duplicated host workflow bodies into adapter/expanded-adapter surfaces, and validate canonical/adapter freshness in Truthmark check.

Refresh generated surfaces and package metadata for Truthmark 2.3.0, with OpenSpec tasks completed and release notes added.

* fix: preserve native workflow skill packages

* docs: record native skill package decision

* fix: drop unused agent workflow package

* chore: remove implemented OpenSpec docs

* chore: release workflow fixes as 2.2.2

* fix: remove agent-visible version markers

* fix: drop generated surface version markers

* feat: capture decision context in Truth Sync

---------

Co-authored-by: MerlinH <merlinh221@gmail.com>

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "truthmark",
-  "version": "2.2.1",
+  "version": "2.2.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "truthmark",
-      "version": "2.2.1",
+      "version": "2.2.2",
       "license": "MIT",
       "dependencies": {
         "ajv": "^8.17.1",