Minor changes, factor out agents

src/examples/datalad-dataset.yaml

@@ -82,14 +82,11 @@ graph:
     tree: fb715e5f3c368ae50cf16c9b6a8e5ca23a353ea4
     # some other metadata
     # the next too could be instances of an `Agent`
-    author:
-      name: Michael Hanke
-      email: [email protected]
-    committer:
-      name: Michael Hanke
-      email: [email protected]
+    author: Michael Hanke <[email protected]>
+    committer: Michael Hanke <[email protected]>
     # ISO timestamp
-    created: 2023-11-25T12:04:53+01:00
+    #created: 2023-11-25T12:04:53+01:00
+    created: 2023 11 25
     # commit subject
     title: Initial commit
     # commit message body
@@ -98,6 +95,11 @@ graph:
     # TODO we need the parent commits to have sortable versions
     #parent_commits:
 
+  - id: Michael Hanke <[email protected]>
+    objtype: GitAgent
+    name: Michael Hanke
+    email: [email protected]
+
   # object access methods
   # they can be rather heterogeneous, different parameters, etc
   # however, the idea is that any implementation can be made to
@@ -119,7 +121,8 @@ graph:
 
   - id: 6860c9e8-8c76-11ee-8f18-bb3625743f23
     objtype: ArchiveExtract
-    archive: 6c99a465f370af115b4edbdcc66badf2d015cbe5
+    # the URL is just an identifier string
+    archive: https://dav.example/com/user/myarchive.zip
     archive_type: zip
 
   # we have no checksum, annex-key or anything for this

src/linkml/datalad-datasets.yaml

@@ -147,6 +147,7 @@ classes:
       content.
     attributes:
       name:
+        range: string
         description: >-
           Name of a directory item.
         # TODO this should (hopefully) mean that the value is unique
@@ -186,22 +187,31 @@ classes:
         slot_uri: dct:author
         # TODO dedicated class for a GitAgent
         range: GitAgent
+        inlined: false
       committer:
         slot_uri: dct:creator
         range: GitAgent
+        inlined: false
       created:
         slot_uri: dct:created
         # TODO ISO date type
+        #range: datetime
         range: string
       title:
         range: string
       description:
         range: string
 
   GitAgent:
+    is_a: TypedThing
     description: >-
       Agent representation in a Git context
     attributes:
+      # TODO others could use ORCID
+      id:
+        identifier: true
+        string_serialization: "{name} <{email}>"
+        range: string
       name:
         range: string
       email: