Enforce strict AI signal ingestion and advisory v6

.github/workflows/cross_repo_smoke.yml

@@ -4,7 +4,7 @@ on:
   workflow_dispatch:
     inputs:
       as_of:
-        description: "Smoke date. Defaults to current UTC date when empty."
+        description: "Smoke date. Defaults to the most recently closed UTC date when empty."
         required: false
         type: string
   schedule:
@@ -48,7 +48,11 @@ jobs:
           INPUT_AS_OF: ${{ github.event.inputs.as_of || '' }}
         run: |
           set -euo pipefail
-          AS_OF="${INPUT_AS_OF:-$(date -u +%F)}"
+          if [ -n "${INPUT_AS_OF}" ]; then
+            AS_OF="${INPUT_AS_OF}"
+          else
+            AS_OF="$(python -c 'from quant_advisor_research.build_pipeline import default_daily_as_of; print(default_daily_as_of().isoformat())')"
+          fi
           python scripts/run_cross_repo_smoke.py \
             --as-of "${AS_OF}" \
             --political-events ../political-events/data/live/political_events.csv \

.github/workflows/monthly_advisory_review.yml

@@ -4,7 +4,7 @@ on:
   workflow_dispatch:
     inputs:
       as_of:
-        description: "Report date. Defaults to current UTC date when empty."
+        description: "Report date. Defaults to the last day of the most recently closed UTC month when empty."
         required: false
         type: string
       previous_report_path:
@@ -104,7 +104,11 @@ jobs:
           MARKET_DATA_PROXY_POOL_URL: ${{ github.event.inputs.market_data_proxy_pool_url || vars.MARKET_DATA_PROXY_POOL_URL || '' }}
         run: |
           set -euo pipefail
-          AS_OF="${INPUT_AS_OF:-$(date -u +%F)}"
+          if [ -n "${INPUT_AS_OF}" ]; then
+            AS_OF="${INPUT_AS_OF}"
+          else
+            AS_OF="$(python -c 'from quant_advisor_research.build_pipeline import default_monthly_as_of; print(default_monthly_as_of().isoformat())')"
+          fi
           mkdir -p .cache/market-data
           ARGS=(
             --as-of "${AS_OF}"

.github/workflows/publish_advisory_site.yml

@@ -4,7 +4,7 @@ on:
   workflow_dispatch:
     inputs:
       as_of:
-        description: "Report date. Defaults to the most recent Saturday when empty."
+        description: "Report date. Defaults to the most recent fully closed Saturday when empty."
         required: false
         type: string
       site_url:

.github/workflows/weekly_advisory_review.yml

@@ -4,7 +4,7 @@ on:
   workflow_dispatch:
     inputs:
       as_of:
-        description: "Report date. Defaults to current UTC date when empty."
+        description: "Report date. Defaults to the most recent fully closed Saturday when empty."
         required: false
         type: string
       political_events_path:
@@ -98,7 +98,11 @@ jobs:
           MARKET_DATA_PROXY_POOL_URL: ${{ github.event.inputs.market_data_proxy_pool_url || vars.MARKET_DATA_PROXY_POOL_URL || '' }}
         run: |
           set -euo pipefail
-          AS_OF="${INPUT_AS_OF:-$(date -u +%F)}"
+          if [ -n "${INPUT_AS_OF}" ]; then
+            AS_OF="${INPUT_AS_OF}"
+          else
+            AS_OF="$(python -c 'from quant_advisor_research.build_pipeline import default_weekly_as_of; print(default_weekly_as_of().isoformat())')"
+          fi
           mkdir -p .cache/market-data
           ARGS=(
             --as-of "${AS_OF}"

docs/advisory_contract.md

@@ -5,9 +5,15 @@
 Required top-level fields:
 
 ```text
-schema_version: "5"
+schema_version: "6"
+contract_version: "model_recommendations.v6"
 as_of: ISO date
+reference_time: exclusive start of the UTC day after as_of
 generated_at: ISO datetime
+expires_at: generated_at + 7 days
+input_digest: 64 lowercase hexadecimal SHA-256 characters
+freshness.ai_signal
+freshness.theme_momentum
 mode: "model_recommendations"
 cadence: "daily" | "weekly" | "monthly"
 audience_scope: "non_personalized_model_research"
@@ -19,12 +25,10 @@ final_decisions: object, optional
 policy: object
 ```
 
-The current CLI and scheduled workflows remain explicit v5 producers. Readers
-accept both v5 and v6, but a producer must opt in to v6 only after it can emit
-all v6 provenance fields. No v6 field is silently added to, or accepted on, a
-v5 report.
+The current CLI and scheduled workflows produce v6. Readers continue to accept
+legacy v5 reports, but no v6 field is silently accepted on a v5 report.
 
-### V6 dual-read migration contract
+### V6 default contract
 
 A v6 report uses `contract_version = model_recommendations.v6` and adds these
 required top-level fields:
@@ -307,9 +311,9 @@ Required manifest fields:
 ```text
 manifest_type = model_recommendation_report
 artifact_type = model_recommendations
-contract_version = model_recommendations.v5
-schema_version = 5
-version = <as_of>-<cadence>-schema-5-<run-or-sha>
+contract_version = model_recommendations.v6
+schema_version = 6
+version = <as_of>-<cadence>-schema-6-<run-or-sha>
 source_project = QuantAdvisorResearch
 producer.repository
 producer.git_sha
@@ -320,10 +324,11 @@ artifacts.json.sha256
 artifacts.markdown.sha256
 policy
 generated_at
+input_digest
 ```
 
-For a v6 report, the manifest additionally carries the exact top-level
-`input_digest`. V5 manifests remain unchanged and omit this field.
+The v6 manifest carries the exact top-level `input_digest`. Legacy v5 manifests
+remain readable and omit this field.
 
 ## Source Mode
 

examples/research_signal_context.example.json

@@ -1,5 +1,7 @@
 {
-  "schema_version": "1",
+  "schema_version": "2",
+  "model_version": "shadow-v2",
+  "scoring_version": "rules-v2",
   "as_of": "2026-05-28",
   "generated_at": "2026-05-28T14:38:47.474891Z",
   "mode": "shadow",
@@ -19,7 +21,7 @@
     "semiconductor_and_leveraged_etf_high_volatility",
     "no_point_in_time_replay_evidence"
   ],
-  "research_bias": {
+  "candidate_bias": {
     "IDX1": "positive",
     "IDX2": "positive",
     "SECT1": "watch",

scripts/d3_build_daily_preview.py

@@ -12,7 +12,7 @@
 from pathlib import Path
 from unittest.mock import patch
 
-from d3_evidence import DEPENDENCY_INVENTORY, EVIDENCE_VERSION, BundleSnapshot, EvidenceContractError, locked_environment_evidence, repository_file_hashes, validate_exact_bundle, validate_preview_snapshot
+from d3_evidence import DEPENDENCY_INVENTORY, EVIDENCE_VERSION, BundleSnapshot, EvidenceContractError, locked_environment_evidence, preview_source_contract, repository_file_hashes, validate_exact_bundle, validate_preview_snapshot
 from quant_advisor_research.advisory_report import build_advisory_report
 from quant_advisor_research.preview_workspace import build_preview_workspace
 
@@ -45,13 +45,14 @@ def build_evidence(args: argparse.Namespace) -> None:
             raise EvidenceContractError("repeat_workspace_not_distinct")
         first_snapshot = validate_exact_bundle(first)
         second_snapshot = validate_exact_bundle(second)
-        validate_preview_snapshot(first_snapshot); validate_preview_snapshot(second_snapshot)
+        validate_preview_snapshot(first_snapshot)
+        validate_preview_snapshot(second_snapshot)
         first_files, second_files = _bundle_hashes(first_snapshot), _bundle_hashes(second_snapshot)
         if first_files != second_files or any(first_snapshot.member(name).content != second_snapshot.member(name).content for name in ("manifest.json", "report.html", "report.json")):
             raise EvidenceContractError("repeat_build_not_equal")
         manifest = json.loads(first_snapshot.member("manifest.json").content.decode("utf-8"))
-        source = {"schema_version": "5", "contract_version": "model_recommendations.v5", "cadence": "daily", "as_of": args.as_of, "generated_at": args.frozen_generated_at}
-        if manifest.get("bundle_contract") != "qar.preview_bundle.v1" or manifest.get("source") != source:
+        source = preview_source_contract(manifest, as_of=args.as_of, generated_at=args.frozen_generated_at)
+        if manifest.get("bundle_contract") != "qar.preview_bundle.v1":
             raise EvidenceContractError("source_contract_mismatch")
         evidence = {
             "evidence_version": EVIDENCE_VERSION, "base_sha": args.base_sha, "head_sha": args.head_sha,

scripts/d3_evidence.py

@@ -23,6 +23,7 @@
     "src/quant_advisor_research/time_contract.py", "tests/test_d3_exact_bundle.py",
     "examples/political_events.example.csv", "examples/political_watchlist.example.csv",
 ]
+SOURCE_CONTRACTS = {"5": "model_recommendations.v5", "6": "model_recommendations.v6"}
 
 
 class EvidenceContractError(ValueError):
@@ -49,6 +50,33 @@ def member(self, name: str) -> BundleMemberSnapshot:
         raise EvidenceContractError("bundle_member_set_invalid")
 
 
+def preview_source_contract(
+    manifest: Mapping[str, object],
+    *,
+    as_of: str,
+    generated_at: str,
+) -> dict[str, object]:
+    source = manifest.get("source")
+    if not isinstance(source, Mapping) or set(source) != {
+        "schema_version",
+        "contract_version",
+        "cadence",
+        "as_of",
+        "generated_at",
+    }:
+        raise EvidenceContractError("source_contract_mismatch")
+    schema_version = source.get("schema_version")
+    if (
+        type(schema_version) is not str
+        or source.get("contract_version") != SOURCE_CONTRACTS.get(schema_version)
+        or source.get("cadence") != "daily"
+        or source.get("as_of") != as_of
+        or source.get("generated_at") != generated_at
+    ):
+        raise EvidenceContractError("source_contract_mismatch")
+    return dict(source)
+
+
 def _directory_flags() -> int:
     required = ("O_DIRECTORY", "O_CLOEXEC", "O_NOFOLLOW")
     if any(not hasattr(os, name) for name in required):

scripts/d3_verify_daily_preview.py

@@ -9,7 +9,7 @@
 import platform
 from pathlib import Path
 
-from d3_evidence import DEPENDENCY_INVENTORY, EVIDENCE_VERSION, BundleSnapshot, EvidenceContractError, locked_environment_evidence, repository_file_hashes, validate_exact_bundle, validate_preview_snapshot
+from d3_evidence import DEPENDENCY_INVENTORY, EVIDENCE_VERSION, BundleSnapshot, EvidenceContractError, locked_environment_evidence, preview_source_contract, repository_file_hashes, validate_exact_bundle, validate_preview_snapshot
 
 EXPECTED_KEYS = frozenset({"evidence_version", "base_sha", "head_sha", "source", "deterministic_clock", "workflow_dependency_inventory", "dependency_files", "locked_environment", "bundle", "repeat_build"})
 
@@ -31,10 +31,14 @@ def verify(args: argparse.Namespace) -> None:
         if evidence["workflow_dependency_inventory"] != DEPENDENCY_INVENTORY or evidence["dependency_files"] != dependency_files:
             raise EvidenceContractError("dependency_evidence_mismatch")
         environment = locked_environment_evidence(lock_sha256=hashlib.sha256(Path(args.lock_path).read_bytes()).hexdigest(), uv_version=args.uv_version, python_version=platform.python_version(), distributions=_distributions())
-        expected_source = {"schema_version": "5", "contract_version": "model_recommendations.v5", "cadence": "daily", "as_of": args.as_of, "generated_at": args.frozen_generated_at}
         snapshot = validate_exact_bundle(args.workspace)
         _, manifest = validate_preview_snapshot(snapshot)
-        if manifest.get("bundle_contract") != "qar.preview_bundle.v1" or manifest.get("source") != expected_source:
+        expected_source = preview_source_contract(
+            manifest,
+            as_of=args.as_of,
+            generated_at=args.frozen_generated_at,
+        )
+        if manifest.get("bundle_contract") != "qar.preview_bundle.v1":
             raise EvidenceContractError("source_contract_mismatch")
         files = _hashes(snapshot)
         expected = {