docs(search): search notes filters by source:, not type:

docs/search.md

@@ -71,7 +71,7 @@ tg personal search messages 'lease chat:"Book club"'  # Telegram messages only,
 ```
 
 ```sh
-tg personal search notes 'budget type:internal'  # only notes written in memo
+tg personal search notes 'budget source:internal'  # only notes written in memo
 ```
 
 ```sh
@@ -85,8 +85,8 @@ tg personal search topics "Hiking" "gear"         # topic titles in one forum gr
 `search all` says what each hit is — a message (`msg:…`) or a note (`note:…`). tg never searches mail:
 `tg personal search mail` answers "mail is memo's: install @wirecat/cli-memo, then `memo search mail …`", and
 `search all --only mail` is refused the same way. In `search messages`, `NOT has:attachment`, `has:voice` and
-`has:file` in the query keep only text, voice or files; in `search notes`, `type:internal` and `type:file` keep the
-notes written in memo or imported from a folder.
+`has:file` in the query keep only text, voice or files; in `search notes`, `source:internal` and `source:file` keep
+the notes written in memo or imported from a folder.
 When a field does not apply — `chat:`/`from:` for notes — `search all` skips that resource and explains why.
 
 Mail and notes reach the store through memo: `memo sync --mail` and `memo import`. Without them,