aws-sdk-knowledge-patch

# AWS SDK Knowledge Patch Baseline: AWS SDK for JavaScript v3, boto3/botocore, AWS SDK for Java 2.x, Go v2, .NET v3, and pre-2025/2026 shared SDK defaults and lifecycle state. Covered range: lifecycle and shared behavior through July 2026, plus service changes in `2026-06` and `2026-07`. Coverage identifiers: `sdk-lifecycle-and-eol`, `shared-defaults-and-runtime-support`, `crypto-auth-and-rust-runtime`, and `service-client-launches`. ## Reference index | Reference | Topics | | --- | --- | | [lifecycle-runtimes-and-packaging.md](references/lifecycle-runtimes-and-packaging.md) | Major-version lifecycle, migrations, .NET collection semantics, Python and Node.js support, JavaScript packaging, removed APIs | | [client-configuration-auth-and-retries.md](references/client-configuration-auth-and-retries.md) | Regional STS, 2026 retry behavior, authentication-scheme selection, SigV4a, W3C tracing, CBOR, post-quantum TLS | | [compute-deployment-and-networking.md](references/compute-deployment-and-networking.md) | CloudFormation, CodeBuild, EKS, ECS, EC2, Auto Scaling, VPC, Route 53, MSK, ACM, EVS, PCS | | [observability-security-and-governance.md](references/observability-security-and-governance.md) | CloudWatch, Config, Inspector, GuardDuty, Resource Explorer, IAM-authenticated OAuth, WAF, Artifact, Resilience Hub | | [data-marketplace-and-customer-services.md](references/data-marketplace-and-customer-services.md) | DataZone, Clean Rooms, AppConfig, Connect, OpenSearch, Places, bi...