From 849e5354cc35e82a20b72e463397f4d9057ca8a6 Mon Sep 17 00:00:00 2001
From: kempersc <sckemper@mailfence.com>
Date: Thu, 22 Jan 2026 22:17:35 +0100
Subject: [PATCH] feat: Migrate data_format to has_or_had_output; archive
 previous data_format slot and update related schemas

---
 .../schemas/20251121/linkml/manifest.json     |  2 +-
 schemas/20251121/linkml/manifest.json         |  2 +-
 .../modules/classes/InternetOfThings.yaml     | 30 ++++++++++++++-----
 .../data_format_archived_20260122.yaml}       |  0
 .../linkml/modules/slots/slot_fixes.yaml      | 20 +++++++++++++
 5 files changed, 45 insertions(+), 9 deletions(-)
 rename schemas/20251121/linkml/modules/slots/{data_format.yaml => archive/data_format_archived_20260122.yaml} (100%)

diff --git a/frontend/public/schemas/20251121/linkml/manifest.json b/frontend/public/schemas/20251121/linkml/manifest.json
index b75b210dbb..b27b20b12c 100644
--- a/frontend/public/schemas/20251121/linkml/manifest.json
+++ b/frontend/public/schemas/20251121/linkml/manifest.json
@@ -1,5 +1,5 @@
 {
-  "generated": "2026-01-22T21:08:05.291Z",
+  "generated": "2026-01-22T21:16:36.017Z",
   "schemaRoot": "/schemas/20251121/linkml",
   "totalFiles": 3037,
   "categoryCounts": {
diff --git a/schemas/20251121/linkml/manifest.json b/schemas/20251121/linkml/manifest.json
index b27b20b12c..ab95ed2aa4 100644
--- a/schemas/20251121/linkml/manifest.json
+++ b/schemas/20251121/linkml/manifest.json
@@ -1,5 +1,5 @@
 {
-  "generated": "2026-01-22T21:16:36.017Z",
+  "generated": "2026-01-22T21:17:35.747Z",
   "schemaRoot": "/schemas/20251121/linkml",
   "totalFiles": 3037,
   "categoryCounts": {
diff --git a/schemas/20251121/linkml/modules/classes/InternetOfThings.yaml b/schemas/20251121/linkml/modules/classes/InternetOfThings.yaml
index b18181b74e..c54967d934 100644
--- a/schemas/20251121/linkml/modules/classes/InternetOfThings.yaml
+++ b/schemas/20251121/linkml/modules/classes/InternetOfThings.yaml
@@ -13,7 +13,10 @@ imports:
   - ./ReconstructedEntity
   - ../slots/connectivity_type
   - ../slots/coverage_area
-  - ../slots/data_format
+  - ./OutputData
+  - ./DataFormat
+  - ../slots/has_or_had_output
+  # REMOVED 2026-01-22: data_format migrated to has_or_had_output + OutputData (Rule 53)
   - ../slots/decommission_date
   - ../slots/device_count
   - ../slots/device_id
@@ -100,7 +103,7 @@ classes:
     - has_or_had_api_endpoint
     - connectivity_type
     - coverage_area
-    - data_format
+    - has_or_had_output  # was: data_format - migrated per Rule 53 (2026-01-22)
     - decommission_date
     - device_count
     - device_id
@@ -225,11 +228,20 @@ classes:
         examples:
         - value: https://api.museum.nl/sensors/v1/
           description: Sensor data API
-      data_format:
-        range: string
+      has_or_had_output:  # was: data_format - migrated per Rule 53 (2026-01-22)
+        range: OutputData
+        inlined: true
+        description: |
+          Output data specification for this device.
+          MIGRATED from data_format per slot_fixes.yaml (Rule 53).
+          Uses OutputData class with DataFormat for format specification.
         examples:
-        - value: JSON
-          description: JSON data format
+        - value:
+            has_or_had_format:
+              has_or_had_type: JsonFormat
+              has_or_had_media_type: "application/json"
+            has_or_had_description: "Sensor readings in JSON format"
+          description: JSON data format (was data_format)
       has_or_had_frequency:
         range: UpdateFrequency
         inlined: true
@@ -342,7 +354,11 @@ classes:
         power_source: BATTERY
         publishes_to: https://dashboard.rijksmuseum.nl/climate
         api_endpoint: https://api.rijksmuseum.nl/climate/v1/
-        data_format: JSON
+        has_or_had_output:  # was: data_format - migrated per Rule 53
+          has_or_had_format:
+            has_or_had_type: JsonFormat
+            has_or_had_media_type: "application/json"
+          has_or_had_description: "Climate sensor data"
         has_or_had_frequency:
           frequency_description: "Every 5 minutes"
           has_or_had_quantity:
diff --git a/schemas/20251121/linkml/modules/slots/data_format.yaml b/schemas/20251121/linkml/modules/slots/archive/data_format_archived_20260122.yaml
similarity index 100%
rename from schemas/20251121/linkml/modules/slots/data_format.yaml
rename to schemas/20251121/linkml/modules/slots/archive/data_format_archived_20260122.yaml
diff --git a/schemas/20251121/linkml/modules/slots/slot_fixes.yaml b/schemas/20251121/linkml/modules/slots/slot_fixes.yaml
index c1315a105a..8b1bd09379 100644
--- a/schemas/20251121/linkml/modules/slots/slot_fixes.yaml
+++ b/schemas/20251121/linkml/modules/slots/slot_fixes.yaml
@@ -11428,6 +11428,26 @@ fixes:
     type: slot
   - label: DataFormat
     type: class
+  processed:
+    status: true
+    date: '2026-01-22'
+    agent: claude-claude-sonnet-4-20250514
+    notes: |
+      **Migration #62: data_format** ✅ COMPLETE
+      
+      **Pattern**: data_format → has_or_had_output + OutputData + has_or_had_format + DataFormat
+      
+      **Files Created**:
+      - has_or_had_output.yaml: New slot for device/service outputs
+      - OutputData.yaml: Class for output specifications
+      - DataFormat.yaml: Class for format specs + DataFormatType base class
+      - DataFormatTypes.yaml: 19 concrete format subclasses (JSON, XML, CSV, RDF, MARC, etc.)
+      
+      **Files Modified**:
+      - InternetOfThings.yaml: Replaced data_format with has_or_had_output + OutputData
+        - Updated imports, slots list, slot_usage, and examples
+      
+      **Archived**: modules/slots/archive/data_format_archived_20260122.yaml
 - original_slot_id: https://nde.nl/ontology/hc/slot/data_license_policy
   revision:
   - label: has_or_had_policy