feat(crm): dedupe duplicates, fix deal titles, and add cleanup CLI

Merge duplicate companies/persons/deals by name, remove duplicate contact
info and opportunity members, and rename malformed " @ Company" titles.
Applications sync now avoids empty-position titles and duplicate members.

Co-authored-by: Cursor <cursoragent@cursor.com>

.env.example

@@ -1,4 +1,4 @@
-# OnlyOffice Workspace credentials. Used by cmd/oo-cli (the library itself
+# OnlyOffice Workspace credentials. Used by cmd/oo (the library itself
 # does not load .env files — only its CLI does, via godotenv).
 #
 # Primary names:
@@ -10,6 +10,11 @@ ONLYOFFICE_PASS=
 # ONLYOFFICE_HOST=
 # ONLYOFFICE_NAME=
 # ONLYOFFICE_PASSWORD=
+#
+# produktor.io operator aliases (CLI-only):
+# OO_URL=
+# OO_USER=
+# OO_PASS=
 
 # Optional defaults for calendar/project helpers:
 ONLYOFFICE_CALENDAR_ID=1