[codex] Declare crypto artifact contract

docs/crypto_cross_platform_strategy_spec.md

@@ -44,6 +44,18 @@ A crypto runtime adapter must declare at least:
 - `available_inputs`
 - `available_capabilities`
 - `portfolio_input_name` when the strategy needs `ctx.portfolio`
+- `artifact_contract` when the strategy consumes upstream artifacts
+
+`crypto_leader_rotation` currently declares an explicit artifact contract:
+
+- `requires_snapshot_artifacts = true`
+- `requires_snapshot_manifest_path = true`
+- `snapshot_contract_version = crypto_leader_rotation.live_pool.v1`
+- `config_source_policy = none`
+
+The strategy package owns this declaration. Downstream platforms may decide how
+to fetch the artifact, but they should not infer artifact requirements from
+profile-name branches.
 
 ## Allowed and forbidden boundaries
 

docs/crypto_cross_platform_strategy_spec.zh-CN.md

@@ -44,6 +44,16 @@
 - `available_inputs`
 - `available_capabilities`
 - 当策略需要 `ctx.portfolio` 时的 `portfolio_input_name`
+- 当策略依赖上游 artifact 时的 `artifact_contract`
+
+`crypto_leader_rotation` 当前显式声明的 artifact contract 是：
+
+- `requires_snapshot_artifacts = true`
+- `requires_snapshot_manifest_path = true`
+- `snapshot_contract_version = crypto_leader_rotation.live_pool.v1`
+- `config_source_policy = none`
+
+策略包负责声明这些需求。下游平台可以决定从 Firestore、GCS、本地文件或状态里取 artifact，但不能再靠 profile 名称分支来猜这条策略需要什么 artifact。
 
 ## 允许和禁止
 

docs/crypto_portability_checklist.md

@@ -5,6 +5,7 @@ Use this before enabling a crypto profile on any downstream platform.
 - [ ] `required_inputs` only use canonical crypto input names
 - [ ] `target_mode` is explicitly declared
 - [ ] every compatible platform has a runtime adapter
+- [ ] upstream artifact needs are declared through `artifact_contract`, not platform profile branches
 - [ ] strategy code does not branch on platform names
 - [ ] strategy code does not read exchange env vars
 - [ ] downstream runtime builds canonical inputs, not exchange-shaped names

docs/crypto_portability_checklist.zh-CN.md

@@ -5,6 +5,7 @@
 - [ ] `required_inputs` 只使用 canonical 加密输入名
 - [ ] `target_mode` 已显式声明
 - [ ] 每个兼容平台都有对应 runtime adapter
+- [ ] 上游 artifact 需求通过 `artifact_contract` 声明，而不是下游平台 profile 分支
 - [ ] 策略代码没有平台分支
 - [ ] 策略代码没有直接读取交易所环境变量
 - [ ] 下游 runtime 传给策略的是 canonical 输入，而不是交易所专属名字

docs/crypto_strategy_template.md

@@ -20,7 +20,8 @@ At minimum, a new profile should touch these places:
 3. add a unified entrypoint in `src/crypto_strategies/entrypoints/__init__.py`
 4. add a runtime adapter in `src/crypto_strategies/runtime_adapters.py`
 5. add catalog and entrypoint tests
-6. if the profile becomes live, add platform status and portability checks downstream
+6. if the profile consumes upstream artifacts, add an explicit `StrategyArtifactContract`
+7. if the profile becomes live, add platform status and portability checks downstream
 
 ## StrategyDefinition
 
@@ -59,9 +60,13 @@ A new runtime adapter must declare at least:
 
 - `available_inputs`
 - `portfolio_input_name` when the strategy reads `ctx.portfolio`
+- `artifact_contract` when the strategy needs upstream artifacts
 
 If a platform does not support the profile yet, do not add it to `supported_platforms`.
 
+The artifact contract belongs in this strategy package. Platform repositories
+should consume it and map it to their own env/filesystem/runtime source rules.
+
 ## Forbidden shortcuts
 
 Do not:
@@ -84,6 +89,7 @@ Do not:
 - [ ] `StrategyManifest` matches the catalog definition
 - [ ] entrypoint reads only canonical inputs
 - [ ] runtime adapter added for every compatible platform
+- [ ] artifact contract added when upstream artifacts are required
 - [ ] strategy code has no platform branch or env reads
 - [ ] catalog, entrypoint, and governance tests were updated
 - [ ] downstream platform status script or adapter smoke was updated when rollout changed

docs/crypto_strategy_template.zh-CN.md

@@ -20,7 +20,8 @@
 3. 在 `src/crypto_strategies/entrypoints/__init__.py` 里加统一 entrypoint
 4. 在 `src/crypto_strategies/runtime_adapters.py` 里加 runtime adapter
 5. 补 catalog 和 entrypoint 测试
-6. 如果要变成 live，再去下游平台补状态和 portability 检查
+6. 如果策略消费上游 artifact，补显式 `StrategyArtifactContract`
+7. 如果要变成 live，再去下游平台补状态和 portability 检查
 
 ## StrategyDefinition 必填项
 
@@ -59,9 +60,12 @@ entrypoint 必须做到：
 
 - `available_inputs`
 - 如果策略会读 `ctx.portfolio`，则声明 `portfolio_input_name`
+- 如果策略依赖上游 artifact，则声明 `artifact_contract`
 
 如果某个平台还不支持这条策略，就不要先把它写进 `supported_platforms`。
 
+artifact contract 属于策略包。平台仓库只负责把它映射到自己的环境变量、文件、Firestore/GCS 或 runtime 状态来源，不能靠 profile 名称分支来猜策略需要什么 artifact。
+
 ## 禁止的偷懒方式
 
 不要：
@@ -84,6 +88,7 @@ entrypoint 必须做到：
 - [ ] `StrategyManifest` 和 catalog 定义一致
 - [ ] entrypoint 只读取 canonical 输入
 - [ ] 每个兼容平台都补了 runtime adapter
+- [ ] 需要上游 artifact 时已新增 artifact contract
 - [ ] 策略代码里没有平台分支和环境变量读取
 - [ ] catalog、entrypoint、governance 测试已更新
 - [ ] 如果 rollout 变了，下游平台的状态脚本或 adapter smoke 也已更新

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "crypto-strategies"
-version = "0.4.3"
+version = "0.4.4"
 description = "Shared crypto strategy catalog and implementations"
 readme = "README.md"
 requires-python = ">=3.11"

src/crypto_strategies/runtime_adapters.py

@@ -2,6 +2,7 @@
 
 from quant_platform_kit.common.strategies import resolve_catalog_profile
 from quant_platform_kit.strategy_contracts import (
+    StrategyArtifactContract,
     StrategyRuntimeAdapter,
     validate_strategy_runtime_adapter,
 )
@@ -23,12 +24,22 @@
 )
 
 
+CRYPTO_LEADER_ROTATION_ARTIFACT_CONTRACT = StrategyArtifactContract(
+    requires_snapshot_artifacts=True,
+    requires_snapshot_manifest_path=True,
+    requires_strategy_config_path=False,
+    snapshot_contract_version="crypto_leader_rotation.live_pool.v1",
+    config_source_policy="none",
+)
+
+
 PLATFORM_RUNTIME_ADAPTERS: dict[str, dict[str, StrategyRuntimeAdapter]] = {
     BINANCE_PLATFORM: {
         "crypto_leader_rotation": StrategyRuntimeAdapter(
             status_icon="🪙",
             available_inputs=CRYPTO_CANONICAL_REQUIRED_INPUTS,
             portfolio_input_name="portfolio_snapshot",
+            artifact_contract=CRYPTO_LEADER_ROTATION_ARTIFACT_CONTRACT,
         ),
     }
 }
@@ -55,6 +66,7 @@ def get_platform_runtime_adapter(profile: str | None, *, platform_id: str) -> St
 __all__ = [
     "BINANCE_PLATFORM",
     "CRYPTO_CANONICAL_REQUIRED_INPUTS",
+    "CRYPTO_LEADER_ROTATION_ARTIFACT_CONTRACT",
     "PLATFORM_RUNTIME_ADAPTERS",
     "get_platform_runtime_adapter",
     "resolve_canonical_profile",

tests/test_contract_governance.py

@@ -14,9 +14,11 @@
 from crypto_strategies.runtime_adapters import (
     BINANCE_PLATFORM,
     CRYPTO_CANONICAL_REQUIRED_INPUTS,
+    CRYPTO_LEADER_ROTATION_ARTIFACT_CONTRACT,
     PLATFORM_RUNTIME_ADAPTERS,
     get_platform_runtime_adapter,
 )
+from quant_platform_kit.strategy_contracts import resolve_strategy_artifact_contract
 
 
 ALLOWED_TARGET_MODES = frozenset({"weight", "value"})
@@ -56,6 +58,16 @@ def test_every_compatible_platform_has_runtime_adapter_coverage(self) -> None:
                     elif definition.target_mode != PLATFORM_NATIVE_TARGET_MODES[platform_id]:
                         self.assertTrue(adapter.portfolio_input_name)
 
+    def test_live_profiles_declare_explicit_artifact_contract(self) -> None:
+        adapter = get_platform_runtime_adapter("crypto_leader_rotation", platform_id=BINANCE_PLATFORM)
+        contract = resolve_strategy_artifact_contract(adapter)
+
+        self.assertEqual(contract, CRYPTO_LEADER_ROTATION_ARTIFACT_CONTRACT)
+        self.assertTrue(contract.requires_snapshot_artifacts)
+        self.assertTrue(contract.requires_snapshot_manifest_path)
+        self.assertEqual(contract.snapshot_contract_version, "crypto_leader_rotation.live_pool.v1")
+        self.assertEqual(contract.config_source_policy, "none")
+
     def test_runtime_adapter_map_matches_catalog_compatibility(self) -> None:
         compatibility_map = {
             profile: frozenset(definition.supported_platforms)