diff --git a/.github/workflows/benchmark-validation.yml b/.github/workflows/benchmark-validation.yml
index c88db0a..7c6706c 100644
--- a/.github/workflows/benchmark-validation.yml
+++ b/.github/workflows/benchmark-validation.yml
@@ -3,11 +3,10 @@ name: Benchmark Validation
 on:
   pull_request:
     paths:
-      - 'benchmarks/**'
-      - 'corpus/**'
-      - 'runners/**'
-      - 'schemas/**'
-      - 'results/**'
+      - 'data/**'
+      - 'dali/**'
+      - 'tools/**'
+      - '.github/workflows/benchmark-validation.yml'
   push:
     branches:
       - main
@@ -38,7 +37,7 @@ jobs:
         run: |
           python3 -c "
           import json, sys
-          with open('benchmarks/tier1/corpus/citation_failure_cases.json') as f:
+          with open('data/benchmark/tier1/corpus/citation_failure_cases.json') as f:
               data = json.load(f)
           cases = data.get('records', data) if isinstance(data, dict) else data
           assert len(cases) >= 1, 'Corpus must have at least 1 record'
@@ -47,9 +46,9 @@ jobs:
 
       - name: Run Tier 1 deterministic evaluator
         run: |
-          python runners/run_integrity.py \
-            --corpus benchmarks/tier1/corpus/citation_failure_cases.json \
-            --output results/ci/integrity.json
+          python -m dali.runners.run_integrity \
+            --corpus data/benchmark/tier1/corpus/citation_failure_cases.json \
+            --output data/results/ci/integrity.json
           echo "Evaluator completed"
 
       - name: Validate result schema
@@ -57,9 +56,9 @@ jobs:
           python3 -c "
           import json, jsonschema
 
-          with open('schemas/integrity-result.schema.json') as f:
+          with open('dali/schemas/integrity-result.schema.json') as f:
               schema = json.load(f)
-          with open('results/ci/integrity.json') as f:
+          with open('data/results/ci/integrity.json') as f:
               results = json.load(f)
 
           records = results if isinstance(results, list) else results.get('results', [])
@@ -80,7 +79,7 @@ jobs:
         run: |
           python3 -c "
           import json
-          with open('results/ci/integrity.json') as f:
+          with open('data/results/ci/integrity.json') as f:
               results = json.load(f)
           records = results if isinstance(results, list) else results.get('results', [])
           eligible = [r for r in records if r.get('scoring_eligible', True)]
@@ -95,7 +94,7 @@ jobs:
         if: always()
         with:
           name: tier1-integrity-results
-          path: results/ci/integrity.json
+          path: data/results/ci/integrity.json
           retention-days: 30
 
   corpus-quality-gate:
@@ -116,7 +115,7 @@ jobs:
           python3 -c "
           import json, sys, pathlib
 
-          corpus_path = pathlib.Path('benchmarks/tier1/corpus/citation_failure_cases.json')
+          corpus_path = pathlib.Path('data/benchmark/tier1/corpus/citation_failure_cases.json')
           with open(corpus_path) as f:
               data = json.load(f)
 
@@ -166,8 +165,8 @@ jobs:
           python3 -c "
           import json, pathlib, sys
 
-          schema_files = list(pathlib.Path('schemas').glob('*.json')) + \
-                         list(pathlib.Path('results').glob('**/schema.json'))
+          schema_files = list(pathlib.Path('dali/schemas').glob('*.json')) + \
+                         list(pathlib.Path('data/results').glob('**/schema.json'))
 
           errors = []
           for f in schema_files:
@@ -191,7 +190,7 @@ jobs:
 
           errors = []
           total = 0
-          for jsonl_file in pathlib.Path('synthetic').rglob('*.jsonl'):
+          for jsonl_file in pathlib.Path('data/benchmark/tier2').rglob('*.jsonl'):
               with open(jsonl_file) as f:
                   for i, line in enumerate(f, 1):
                       line = line.strip()
diff --git a/.github/workflows/replay-verification.yml b/.github/workflows/replay-verification.yml
index 22469f2..6e54e5c 100644
--- a/.github/workflows/replay-verification.yml
+++ b/.github/workflows/replay-verification.yml
@@ -34,9 +34,9 @@ jobs:
         # test for Dali's determinism claim — if it fails, the project's core
         # property is broken and the PR must not merge.
         run: |
-          python runners/run_integrity.py \
-            --corpus benchmarks/tier1/corpus/citation_failure_cases.json \
-            --output results/ci/replay-verify.json \
+          python -m dali.runners.run_integrity \
+            --corpus data/benchmark/tier1/corpus/citation_failure_cases.json \
+            --output data/results/ci/replay-verify.json \
             --verify-replay
 
       - name: Upload artifact
@@ -44,5 +44,5 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: replay-verify-output
-          path: results/ci/replay-verify.json
+          path: data/results/ci/replay-verify.json
           retention-days: 7
diff --git a/data/results/ci/integrity.json b/data/results/ci/integrity.json
new file mode 100644
index 0000000..8144e4b
--- /dev/null
+++ b/data/results/ci/integrity.json
@@ -0,0 +1,91 @@
+{
+  "run_timestamp": "2026-06-04T19:52:48.371513+00:00",
+  "policy_version": "taxonomy=2.0.0;rubric=1.0.0;scoring=1.0.0;normalization=1.0.0;schema=1.0.0",
+  "evaluator": "local-reference",
+  "cross_version_aggregation": false,
+  "policy_versions_present": [
+    "taxonomy=2.0.0;rubric=1.0.0;scoring=1.0.0;normalization=1.0.0;schema=1.0.0"
+  ],
+  "summary": {
+    "total_evaluated": 3,
+    "defensibility_risk_distribution": {
+      "critical": 2,
+      "high": 1
+    }
+  },
+  "results": [
+    {
+      "case_id": "mata-v-avianca-2023",
+      "citation_exists": false,
+      "authority_reachable": false,
+      "semantic_alignment": "misaligned",
+      "quote_fidelity": "fabricated",
+      "temporal_validity": "unknown",
+      "jurisdiction_match": "unknown",
+      "provenance_complete": false,
+      "failure_classes_detected": [
+        "nonexistent_authority",
+        "fabricated_quote",
+        "reconstructability_failure"
+      ],
+      "defensibility_risk": "critical",
+      "workflow_reconstructable": false,
+      "verification_recoverable": "infeasible",
+      "mutation_lineage": [],
+      "policy_version": "taxonomy=2.0.0;rubric=1.0.0;scoring=1.0.0;normalization=1.0.0;schema=1.0.0",
+      "evidence_hash": "40182d0b7be3eece338b772831af7d528a4742a60f90278a31132b5d80b233ac",
+      "run_timestamp": "2026-06-04T19:52:48.370765+00:00",
+      "corpus_record_hash": "30dd70980404de1216bde548dfa7d67becf8bf9090df0a48f7b7c5876fb4eeb6",
+      "replay_hash": "b17c945f13e17c1d3a32c5c8805d717e1d3412ec0c316337d86f53eb2c6a4455"
+    },
+    {
+      "case_id": "us-v-cohen-2023",
+      "citation_exists": false,
+      "authority_reachable": false,
+      "semantic_alignment": "misaligned",
+      "quote_fidelity": "fabricated",
+      "temporal_validity": "unknown",
+      "jurisdiction_match": "unknown",
+      "provenance_complete": false,
+      "failure_classes_detected": [
+        "nonexistent_authority",
+        "reconstructability_failure",
+        "provenance_gap"
+      ],
+      "defensibility_risk": "critical",
+      "workflow_reconstructable": false,
+      "verification_recoverable": "infeasible",
+      "mutation_lineage": [],
+      "policy_version": "taxonomy=2.0.0;rubric=1.0.0;scoring=1.0.0;normalization=1.0.0;schema=1.0.0",
+      "evidence_hash": "701a28a39d742b2191a874954277f93cd12bb18dfb79a894524e08ebc4cf67cc",
+      "run_timestamp": "2026-06-04T19:52:48.371177+00:00",
+      "corpus_record_hash": "8642ed8585064218d035a9f4feab380198332e814018f882e87c8995e5711397",
+      "replay_hash": "9f1a6f3eb11227e1b793e5d25651b06ba912eca62425bdd550655bd240603294"
+    },
+    {
+      "case_id": "mata-derivative-reporter-swap-001",
+      "citation_exists": false,
+      "authority_reachable": false,
+      "semantic_alignment": "misaligned",
+      "quote_fidelity": "fabricated",
+      "temporal_validity": "unknown",
+      "jurisdiction_match": "unknown",
+      "provenance_complete": false,
+      "failure_classes_detected": [
+        "citation_mutation",
+        "nonexistent_authority"
+      ],
+      "defensibility_risk": "high",
+      "workflow_reconstructable": "unknown",
+      "verification_recoverable": "manual",
+      "mutation_lineage": [
+        "mata-v-avianca-2023"
+      ],
+      "policy_version": "taxonomy=2.0.0;rubric=1.0.0;scoring=1.0.0;normalization=1.0.0;schema=1.0.0",
+      "evidence_hash": "0500f9593d7594f1df0e450ca87ee5ce39f137f5fb8c916cbcd8d2d708ce446f",
+      "run_timestamp": "2026-06-04T19:52:48.371412+00:00",
+      "corpus_record_hash": "99543d33ef7a6c236c81ce7725af62aa403f5578261b2f019bf75571d8ce58e3",
+      "replay_hash": "68f68d236c7a00e505606c517f16512c63d0e95759d10210b23b63b324c6bcd9"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/data/results/ci/replay-verify.json b/data/results/ci/replay-verify.json
new file mode 100644
index 0000000..01e68de
--- /dev/null
+++ b/data/results/ci/replay-verify.json
@@ -0,0 +1,91 @@
+{
+  "run_timestamp": "2026-06-04T19:52:48.371765+00:00",
+  "policy_version": "taxonomy=2.0.0;rubric=1.0.0;scoring=1.0.0;normalization=1.0.0;schema=1.0.0",
+  "evaluator": "local-reference",
+  "cross_version_aggregation": false,
+  "policy_versions_present": [
+    "taxonomy=2.0.0;rubric=1.0.0;scoring=1.0.0;normalization=1.0.0;schema=1.0.0"
+  ],
+  "summary": {
+    "total_evaluated": 3,
+    "defensibility_risk_distribution": {
+      "critical": 2,
+      "high": 1
+    }
+  },
+  "results": [
+    {
+      "case_id": "mata-v-avianca-2023",
+      "citation_exists": false,
+      "authority_reachable": false,
+      "semantic_alignment": "misaligned",
+      "quote_fidelity": "fabricated",
+      "temporal_validity": "unknown",
+      "jurisdiction_match": "unknown",
+      "provenance_complete": false,
+      "failure_classes_detected": [
+        "nonexistent_authority",
+        "fabricated_quote",
+        "reconstructability_failure"
+      ],
+      "defensibility_risk": "critical",
+      "workflow_reconstructable": false,
+      "verification_recoverable": "infeasible",
+      "mutation_lineage": [],
+      "policy_version": "taxonomy=2.0.0;rubric=1.0.0;scoring=1.0.0;normalization=1.0.0;schema=1.0.0",
+      "evidence_hash": "581bca10f3a10230815a106428e6f1584e41231d5a30da6e8ffcb538a7dcd4a5",
+      "run_timestamp": "2026-06-04T19:52:48.370536+00:00",
+      "corpus_record_hash": "30dd70980404de1216bde548dfa7d67becf8bf9090df0a48f7b7c5876fb4eeb6",
+      "replay_hash": "b17c945f13e17c1d3a32c5c8805d717e1d3412ec0c316337d86f53eb2c6a4455"
+    },
+    {
+      "case_id": "us-v-cohen-2023",
+      "citation_exists": false,
+      "authority_reachable": false,
+      "semantic_alignment": "misaligned",
+      "quote_fidelity": "fabricated",
+      "temporal_validity": "unknown",
+      "jurisdiction_match": "unknown",
+      "provenance_complete": false,
+      "failure_classes_detected": [
+        "nonexistent_authority",
+        "reconstructability_failure",
+        "provenance_gap"
+      ],
+      "defensibility_risk": "critical",
+      "workflow_reconstructable": false,
+      "verification_recoverable": "infeasible",
+      "mutation_lineage": [],
+      "policy_version": "taxonomy=2.0.0;rubric=1.0.0;scoring=1.0.0;normalization=1.0.0;schema=1.0.0",
+      "evidence_hash": "5d164660668c920c3bfe249d559b464cc80b5d64a5d882f0d77547bae15509f9",
+      "run_timestamp": "2026-06-04T19:52:48.371392+00:00",
+      "corpus_record_hash": "8642ed8585064218d035a9f4feab380198332e814018f882e87c8995e5711397",
+      "replay_hash": "9f1a6f3eb11227e1b793e5d25651b06ba912eca62425bdd550655bd240603294"
+    },
+    {
+      "case_id": "mata-derivative-reporter-swap-001",
+      "citation_exists": false,
+      "authority_reachable": false,
+      "semantic_alignment": "misaligned",
+      "quote_fidelity": "fabricated",
+      "temporal_validity": "unknown",
+      "jurisdiction_match": "unknown",
+      "provenance_complete": false,
+      "failure_classes_detected": [
+        "citation_mutation",
+        "nonexistent_authority"
+      ],
+      "defensibility_risk": "high",
+      "workflow_reconstructable": "unknown",
+      "verification_recoverable": "manual",
+      "mutation_lineage": [
+        "mata-v-avianca-2023"
+      ],
+      "policy_version": "taxonomy=2.0.0;rubric=1.0.0;scoring=1.0.0;normalization=1.0.0;schema=1.0.0",
+      "evidence_hash": "11d7cd18d910188a4a2473e8dcb54338a69e8c660b7bb237f00122e7d1249be0",
+      "run_timestamp": "2026-06-04T19:52:48.371649+00:00",
+      "corpus_record_hash": "99543d33ef7a6c236c81ce7725af62aa403f5578261b2f019bf75571d8ce58e3",
+      "replay_hash": "68f68d236c7a00e505606c517f16512c63d0e95759d10210b23b63b324c6bcd9"
+    }
+  ]
+}
\ No newline at end of file