docs: update AGENTS.md with WriteDebugLog, regression tests, resolveActivityTarget

AGENTS.md

@@ -27,6 +27,9 @@
 24. **GetWorklogEntryEvents column fix** — query used `e.details_json` but the column is `e.metadata`. Fixed to `COALESCE(e.metadata,'')`.
 25. **"Посмотреть" button** — `openActivityTarget(ev)` navigates to the specific target: note tab + open note for `targetType=note`, files tab + `OpenFolder(targetPath)` for `file/folder`.
 26. **End-to-end test** — `TestAcceptSuggestionWithEndToEnd` creates node, 3 activity events, accepts suggestion, verifies all 3 linked via `worklog_entry_events` + JOIN.
+27. **WriteDebugLog binding** — `bindings_debug.go` writes frontend logs to `<vault>/.verstak/debug.log` for production GUI debugging.
+28. **Journal regression tests** — `TestJournalFullRegression`, `TestSuggestionOnRepeatedActivity`, `TestManualWorklogEntry`.
+29. **resolveActivityTarget helper** — pure function returning `{ nodeId, tab, noteId/fileId/targetPath }`, used by `openActivityTarget`.
 
 ## Key patterns
 - Always use explicit toggle icons (▸/▾) on expandable rows.
@@ -36,6 +39,7 @@
 - New worklog entries get `source=manual` via `Add`/`AddWithDate`; suggestion entries get `source=suggestion` via `AcceptSuggestionWith`.
 - **NEVER pass `[]string` through Wails v2 bindings** — always JSON-serialize to `string` first. Wails v2.12.0 silently drops slice arguments.
 - **Always wrap create-entry + link-events in a transaction** with pre-validation and post-commit verification to prevent orphan entries.
+- Frontend debug logs in production: use `wailsCall('WriteDebugLog', msg)` → writes to `<vault>/.verstak/debug.log`.
 
 # Build instructions