feat(schema): Add additionalProperties=false to context objects

This is intended to give better guidance to tooling that would
auto-generate classes or interfaces for the validation context.

src/schema/meta/context.yaml

@@ -18,13 +18,15 @@
 #
 ---
 type: object
+additionalProperties: false
 properties:
   schema:
     description: 'The BIDS specification schema'
     type: object
   dataset:
     description: 'Properties and contents of the entire dataset'
     type: object
+    additionalProperties: false
     properties:
       dataset_description:
         description: 'Contents of /dataset_description.json'
@@ -47,6 +49,7 @@ properties:
       subjects:
         description: 'Collections of subjects in dataset'
         type: object
+        additionalProperties: false
         properties:
           sub_dirs:
             description: 'Subjects as determined by sub-*/ directories'
@@ -66,10 +69,12 @@ properties:
   subject:
     description: 'Properties and contents of the current subject'
     type: object
+    additionalProperties: false
     properties:
       sessions:
         description: 'Collections of sessions in subject'
         type: object
+        additionalProperties: false
         properties:
           ses_dirs:
             description: 'Sessions as determined by ses-*/ directories'
@@ -120,10 +125,12 @@ properties:
     description: |
       Associated files, indexed by suffix, selected according to the inheritance principle
     type: object
+    additionalProperties: false
     properties:
       events:
         description: 'Events file'
         type: object
+        additionalProperties: false
         properties:
           path:
             description: 'Path to associated events file'
@@ -136,6 +143,7 @@ properties:
       aslcontext:
         description: 'ASL context file'
         type: object
+        additionalProperties: false
         properties:
           path:
             description: 'Path to associated aslcontext file'
@@ -151,27 +159,31 @@ properties:
       m0scan:
         description: 'M0 scan file'
         type: object
+        additionalProperties: false
         properties:
           path:
             description: 'Path to associated M0 scan file'
             type: string
       magnitude:
         description: 'Magnitude image file'
         type: object
+        additionalProperties: false
         properties:
           path:
             description: 'Path to associated magnitude file'
             type: string
       magnitude1:
         description: 'Magnitude1 image file'
         type: object
+        additionalProperties: false
         properties:
           path:
             description: 'Path to associated magnitude1 file'
             type: string
       bval:
         description: 'B value file'
         type: object
+        additionalProperties: false
         properties:
           path:
             description: 'Path to associated bval file'
@@ -190,6 +202,7 @@ properties:
       bvec:
         description: 'B vector file'
         type: object
+        additionalProperties: false
         properties:
           path:
             description: 'Path to associated bvec file'
@@ -203,6 +216,7 @@ properties:
       channels:
         description: 'Channels file'
         type: object
+        additionalProperties: false
         properties:
           path:
             description: 'Path to associated channels file'
@@ -215,6 +229,7 @@ properties:
       coordsystem:
         description: 'Coordinate system file'
         type: object
+        additionalProperties: false
         properties:
           path:
             description: 'Path to associated coordsystem file'
@@ -231,6 +246,7 @@ properties:
   gzip:
     description: 'Parsed contents of gzip header'
     type: object
+    additionalProperties: false
     properties:
       timestamp:
         description: 'Modification time, unix timestamp'
@@ -245,11 +261,13 @@ properties:
     name: 'NIfTI Header'
     description: 'Parsed contents of NIfTI header referenced elsewhere in schema.'
     type: object
+    additionalProperties: false
     properties:
       dim_info:
         name: 'Dimension Information'
         description: 'Metadata about dimensions data.'
         type: object
+        additionalProperties: false
         properties:
           freq:
             name: 'Frequency'
@@ -299,6 +317,7 @@ properties:
         name: 'XYZT Units'
         description: 'Units of pixdim[1..4]'
         type: object
+        additionalProperties: false
         properties:
           xyz:
             name: 'XYZ Units'
@@ -332,6 +351,7 @@ properties:
     name: 'Open Microscopy Environment fields'
     description: 'Parsed contents of OME-XML header, which may be found in OME-TIFF or OME-ZARR files'
     type: object
+    additionalProperties: false
     properties:
       PhysicalSizeX:
         name: 'PhysicalSizeX'
@@ -361,6 +381,7 @@ properties:
     name: 'TIFF'
     description: 'TIFF file format metadata'
     type: object
+    additionalProperties: false
     properties:
       version:
         name: 'Version'