feat: Add AI transparency artifacts

.ai-attestation.yaml

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+# AI Attestation
+# https://oss.korext.com/ai-attestation
+#
+# This file tracks AI generated code in this repository.
+# Generated by @korext/ai-attestation
+
+schema: https://oss.korext.com/ai-attestation/schema
+version: "1.0"
+repo:
+  owner: korext
+  name: commit-carbon
+  url: https://github.com/korext/commit-carbon
+generated: "2026-04-18T00:25:24.132Z"
+range:
+  from: "2026-04-16T17:03:31-07:00"
+  to: "2026-04-17T17:17:25-07:00"
+  commits: 7
+ai:
+  assisted_commits: 0
+  percentage: 0
+  tools: []
+  detection_methods: []
+governance:
+  engine: null
+  last_scan: null
+  result: null
+  score: null
+  packs: []
+  findings:
+    critical: 0
+    high: 0
+    medium: 0
+    low: 0
+  proof_bundle_url: null
+  proof_bundle_count: 0
+policy:
+  ai_code_requires_review: false
+  minimum_governance_score: null
+  mandatory_packs: []
+  block_unscanned_ai_code: false

.supply-chain-attestation.yaml

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+schema: https://oss.korext.com/supply-chain/schema
+version: '1.0'
+project:
+  name: commit-carbon
+  path: /Users/tombruno/Downloads/ai-attestation/commit-carbon
+  manifest: detected
+  ecosystem: npm
+generated: '2026-04-18T00:25:25.054Z'
+dependencies:
+  total: 2
+  scanned: 2
+  with_attestation: 0
+  without_attestation: 2
+  coverage_percentage: 0
+ai_composition:
+  weighted_percentage: 0
+  aggregate_assisted_commits: 0
+  aggregate_total_commits: 0
+governance_tiers:
+  attested: 0
+  scanned: 0
+  ungoverned: 0
+  no_attestation: 2
+tools_detected: []
+high_risk_dependencies: []
+dependencies_detail:
+  - name: argparse
+    version: 2.0.1
+    ecosystem: npm
+    attestation_source: none
+    ai_percentage: 0
+    governance_tier: NO_ATTESTATION
+  - name: js-yaml
+    version: 4.1.1
+    ecosystem: npm
+    attestation_source: none
+    ai_percentage: 0
+    governance_tier: NO_ATTESTATION

AI-LICENSE

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+===============================================
+AI LICENSE NOTICE (Version 1.0)
+===============================================
+
+This software contains code that was
+written with assistance from AI tools.
+This notice declares the AI provenance
+of the code. It does not grant or
+restrict any rights. The primary
+software license (shown above or
+in a separate LICENSE file) governs
+all use of this software.
+
+AI ASSISTED PORTIONS: NONE (0%)
+Assisted Commits: 0
+Total Commits: 7
+Percentage: 0%
+
+AI TOOLS USED:
+None declared
+
+HUMAN REVIEW:
+All AI assisted commits in this
+repository were reviewed and accepted
+by human developers who are the
+authors of record.
+
+GOVERNANCE:
+No automated governance scanning has been configured for this repository.
+
+VERIFY:
+The AI provenance data in this notice
+can be verified against the
+.ai-attestation.yaml file in the repo
+root, or online at:
+https://oss.korext.com/ai-attestation/report/korext/commit-carbon
+
+LEARN MORE:
+https://oss.korext.com/ai-license
+Specification: CC0 1.0 (public domain)
+
+===============================================

ai-license-notice.yaml

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+schema: https://oss.korext.com/ai-license/schema
+version: '1.0'
+repo:
+  owner: korext
+  name: commit-carbon
+  url: https://github.com/korext/commit-carbon
+notice_generated: '2026-04-18T00:25:24.592Z'
+attestation_source: .ai-attestation.yaml
+ai_provenance:
+  assisted_commits: 0
+  total_commits: 7
+  percentage: 0
+tools_used: []
+human_review:
+  reviewed: true
+  reviewers_of_record: developers
+governance:
+  engine: null
+  last_scan: null
+  result: null
+  score: null
+  packs: []
+  findings:
+    critical: 0
+    high: 0
+    medium: 0
+    low: 0
+  proof_bundle_url: null
+  proof_bundle_count: 0
+verification:
+  attestation_file: .ai-attestation.yaml
+  online_report: https://oss.korext.com/ai-attestation/report/korext/commit-carbon
+specification:
+  url: https://oss.korext.com/ai-license
+  license: CC0 1.0 Universal