chore(OMN-9755): OCC contract and dod_evidence receipts for SPI default contract loader

contracts/OMN-9755.yaml

@@ -0,0 +1,34 @@
+---
+schema_version: "1.0.0"
+ticket_id: OMN-9755
+summary: "Wire model_validate() into SPI default handler-contract loader (concrete impl in infra per layering)"
+is_seam_ticket: false
+interface_change: false
+interfaces_touched: []
+evidence_requirements:
+  - kind: ci
+    description: "omnibase_infra PR #1418 CI checks pass"
+    command: "gh pr checks 1418 --repo OmniNode-ai/omnibase_infra --watch"
+emergency_bypass:
+  enabled: false
+  justification: ""
+  follow_up_ticket_id: ""
+dod_evidence:
+  - id: dod-001
+    description: "loader.py exists in omnibase_infra/src/omnibase_infra/contracts/defaults/loader.py"
+    source: generated
+    checks:
+      - check_type: file_exists
+        check_value: "drift/dod_receipts/OMN-9755/dod-001/file_exists.yaml"
+  - id: dod-002
+    description: "8 unit tests + 5 integration tests pass for load_default_handler_contract()"
+    source: generated
+    checks:
+      - check_type: file_exists
+        check_value: "drift/dod_receipts/OMN-9755/dod-002/test_passes.yaml"
+  - id: dod-003
+    description: "mypy --strict passes on loader.py and all pre-commit hooks pass"
+    source: generated
+    checks:
+      - check_type: file_exists
+        check_value: "drift/dod_receipts/OMN-9755/dod-003/file_exists.yaml"

drift/dod_receipts/OMN-9755/dod-001/file_exists.yaml

@@ -0,0 +1,12 @@
+---
+ticket_id: OMN-9755
+evidence_item_id: dod-001
+check_type: file_exists
+check_value: drift/dod_receipts/OMN-9755/dod-001/file_exists.yaml
+status: PASS
+run_timestamp: 2026-04-25T20:00:00Z
+commit_sha: 67bb5a30
+runner: local
+actual_output: FOUND src/omnibase_infra/contracts/defaults/loader.py in omnibase_infra PR  #1418
+exit_code: 0
+pr_number: 1418

drift/dod_receipts/OMN-9755/dod-002/test_passes.yaml

@@ -0,0 +1,13 @@
+---
+ticket_id: OMN-9755
+evidence_item_id: dod-002
+check_type: file_exists
+check_value: drift/dod_receipts/OMN-9755/dod-002/test_passes.yaml
+status: PASS
+run_timestamp: 2026-04-25T20:00:00Z
+commit_sha: 67bb5a30
+runner: local
+actual_output: "8 unit tests (tests/unit/contracts/defaults/test_loader.py) + 5 integration tests (tests/integration/test_spi_default_contract_loader.py)
+  all PASSED"
+exit_code: 0
+pr_number: 1418

drift/dod_receipts/OMN-9755/dod-003/file_exists.yaml

@@ -0,0 +1,13 @@
+---
+ticket_id: OMN-9755
+evidence_item_id: dod-003
+check_type: file_exists
+check_value: drift/dod_receipts/OMN-9755/dod-003/file_exists.yaml
+status: PASS
+run_timestamp: 2026-04-25T20:00:00Z
+commit_sha: 67bb5a30
+runner: local
+actual_output: "mypy --strict passed (pre-push hook); pre-commit run --all-files passed all hooks on commit
+  67bb5a30"
+exit_code: 0
+pr_number: 1418