docs: consolidate execution contracts and Harness capabilities

CONTRIBUTING.md

@@ -17,9 +17,9 @@ This guide owns how to work in the repository: documentation ownership, the repo
 | Environment ownership and capability preparation (Skills, Plugins, MCP, `packages.system`) | [Environments](contracts/agents-api/environments.md) |
 | Built-in Harness identifiers, configuration/profile bindings and display names | `internal/harnessconfig/builtin/catalog.json` and its [generated reference](contracts/agents-api/harness-catalog.md) |
 | Effective MCP bindings and credential authority | [Environment MCP](contracts/agents-api/environments.md#skills-plugins-and-environment-mcp) and `apps/daemon/internal/agent/mcp_binding.go` |
-| Harness qualification and acceptance | [Harness integration](contracts/agents-api/harnesses.md) |
+| Harness qualification and acceptance | [Harness capabilities](contracts/agents-api/harness-capabilities.md) and [Harness onboarding](contracts/agents-api/harness-onboarding.md#qualify-the-adapter) |
 | Harness service qualification declarations and registration | [Explicit service qualification](contracts/agents-api/harness-onboarding.md#explicit-service-qualification) and `services/core/internal/engine/profile.go` |
-| Harness selection and Agent defaults | [Harness selection](contracts/agents-api/harness-selection.md) |
+| Harness selection and Agent defaults | [Harness selection](contracts/agents-api/model-execution.md#harness-selection) |
 | Provider registration validation | [Sandbox Provider guide](docs/sandbox-provider.md#registration-validation) |
 | Provider selection, sandbox deployment and E2B setup | [Sandbox deployment](contracts/agents-api/sandbox-deployment.md) |
 | Hosted sandbox nodes | [Nodes guide](docs/getting-started/nodes.md) and [sandbox deployment contract](contracts/agents-api/sandbox-deployment.md) |

README.md

@@ -72,7 +72,7 @@ the [architecture guide](docs/architecture.md).
 | Build an application on the API | [Quickstart](docs/getting-started/quickstart.md), then the [Agents API guide](docs/api/public-agent-api.md) |
 | See a complete application | [Examples](docs/examples.md) |
 | Run agents on my own machine | [Self-hosted execution](docs/getting-started/self-hosted.md) |
-| Check verified Runtime capabilities and limits | [Capability qualification](contracts/agents-api/environment-capabilities-qualification.md) |
+| Check verified Runtime capabilities and limits | [Harness capabilities](contracts/agents-api/harness-capabilities.md) |
 | Understand the design | [Architecture](docs/architecture.md) |
 | Add a sandbox, harness or other component | [Developer guide](docs/development.md) |
 

README.zh-CN.md

@@ -68,7 +68,7 @@ Core 对外提供两组 API：
 | 基于 API 开发应用 | [快速开始](docs/getting-started/quickstart.md)，然后看 [Agents API 指南](docs/api/public-agent-api.md) |
 | 看一个完整的应用 | [示例](docs/examples.md) |
 | 在自己的机器上运行 Agent | [自托管执行](docs/getting-started/self-hosted.md) |
-| 查看 Runtime 能力和验收范围 | [能力验收记录](contracts/agents-api/environment-capabilities-qualification.md) |
+| 查看 Runtime 能力和验收范围 | [Harness 能力](contracts/agents-api/harness-capabilities.md) |
 | 了解设计 | [架构说明](docs/architecture.md) |
 | 接入新的沙箱、Harness 或其他组件 | [开发指南](docs/development.md) |
 

contracts/agents-api/environment-files.md

@@ -9,7 +9,7 @@ hosted provisioning and shared Artifacts are accepted within the
 [recorded Docker MVP scope](README.md#accepted-milestone-and-evidence) and separate
 historical Core-managed [E2B qualification](README.md#e2b-v1-qualification). The
 new user-managed enrollment chain reuses local Files with separate
-[real public acceptance](user-managed-runtime-v1.md); complete Files/Environment
+[real public acceptance](harness-capabilities.md); complete Files/Environment
 semantics and other providers are not implied.
 
 ## Pinned contract