diff --git a/.github/pull_request_template.md b/.github/pull_request_template.md
index 10b6cc9c..30aafff7 100644
--- a/.github/pull_request_template.md
+++ b/.github/pull_request_template.md
@@ -5,7 +5,8 @@ Describe the change and motivation.
 ## Checklist
 
 - [ ] Tests added/updated
-- [ ] `cargo test` passes locally
+- [ ] Regular tests pass locally (`cargo nt`)
+- [ ] Doc tests pass locally (`cargo test --doc --all-features`)
 - [ ] Docs updated
   - [ ] Existing docs updated where behavior changed
   - [ ] New doc added under `docs/` if introducing a new area
diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md
new file mode 100644
index 00000000..686e5e7a
--- /dev/null
+++ b/CODE_OF_CONDUCT.md
@@ -0,0 +1,10 @@
+# Microsoft Open Source Code of Conduct
+
+This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/).
+
+Resources:
+
+- [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/)
+- [Microsoft Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/)
+- Contact [opencode@microsoft.com](mailto:opencode@microsoft.com) with questions or concerns
+- Employees can reach out at [aka.ms/opensource/moderation-support](https://aka.ms/opensource/moderation-support)
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 459bb110..15f3b40e 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -2,10 +2,28 @@
 
 Thanks for your interest in improving duroxide!
 
-Before submitting changes, please review this checklist:
+This project welcomes contributions and suggestions. Most contributions require you to
+agree to a Contributor License Agreement (CLA) declaring that you have the right to,
+and actually do, grant us the rights to use your contribution. For details, visit
+https://cla.microsoft.com.
+
+When you submit a pull request, a CLA-bot will automatically determine whether you need
+to provide a CLA and decorate the PR appropriately (for example, label or comment).
+Simply follow the instructions provided by the bot. You will only need to do this once
+across all repositories using our CLA.
+
+This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/).
+For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/)
+or contact [opencode@microsoft.com](mailto:opencode@microsoft.com) with any additional questions or comments.
+
+## Reporting security issues
+
+Please do not report security vulnerabilities through public GitHub issues. Follow the instructions in [SECURITY.md](SECURITY.md).
+
+## Before submitting changes
 
 - Code
-  - [ ] Build passes locally (`cargo test`)
+  - [ ] Regular tests pass locally (`cargo nt`)
   - [ ] Lints/clippy (if applicable) are clean
   - [ ] Tests added or updated for behavior changes
 - Documentation
@@ -20,13 +38,23 @@ Before submitting changes, please review this checklist:
 - Write or update tests first (happy path + 1-2 edge cases).
 - Keep public APIs stable where possible; note breakages clearly.
 - Prefer small, focused commits with descriptive messages.
+- For non-trivial changes, include a short design rationale in the pull request description with code pointers.
+- Update documentation when a change affects existing docs, introduces a new surface area, or changes behavior users rely on.
 
-## Running tests
+Before opening a pull request, run the checks relevant to your change:
 
+```bash
+cargo nt
+cargo clippy --all-targets --all-features
+cargo test --doc --all-features
 ```
-cargo test
+
+For broader runtime changes, also run the comprehensive two-pass suite:
+
+```bash
+./run-tests.sh
 ```
 
-## Filing PRs
+## Filing pull requests
 
-Use the PR template in `.github/pull_request_template.md`. Fill in the docs checkboxes.
+Use the pull request template in [.github/pull_request_template.md](.github/pull_request_template.md) and fill in the docs checkboxes.
diff --git a/README.md b/README.md
index d2f2c9fe..bca0297e 100644
--- a/README.md
+++ b/README.md
@@ -224,10 +224,36 @@ that fits how you want to author and host your workflows:
 ## Development
 
 ```bash
-cargo build                          # Build
-cargo test --all -- --nocapture      # Run all tests
+cargo build --all-features           # Build
+cargo nt                             # Run regular tests with nextest
+cargo test --doc --all-features      # Run doctests
+./run-tests.sh                       # Full two-pass CI test suite
 ./run-stress-tests.sh                # Stress tests (see STRESS_TEST_MONITORING.md)
 ```
 
 See [CHANGELOG.md](CHANGELOG.md) for release notes and
 [CONTRIBUTING.md](CONTRIBUTING.md) to get involved.
+
+## Support
+
+Use GitHub Issues for bug reports and feature requests. Do not report security vulnerabilities through public GitHub issues; follow the instructions in [SECURITY.md](SECURITY.md) instead.
+
+## Code of Conduct
+
+This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/). For more information, see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or contact [opencode@microsoft.com](mailto:opencode@microsoft.com) with questions or comments.
+
+## Security
+
+Microsoft takes the security of our software products and services seriously. Please do not report security vulnerabilities through public GitHub issues. See [SECURITY.md](SECURITY.md) for security reporting instructions.
+
+## Privacy and Telemetry
+
+Duroxide does not send telemetry to Microsoft. Applications may configure their own logging or metrics exporters; those signals are controlled by the application owner.
+
+## Trademarks
+
+This project may contain trademarks or logos for projects, products, or services. Authorized use of Microsoft trademarks or logos is subject to and must follow [Microsoft's Trademark & Brand Guidelines](https://www.microsoft.com/en-us/legal/intellectualproperty/trademarks/usage/general). Use of Microsoft trademarks or logos in modified versions of this project must not cause confusion or imply Microsoft sponsorship. Any use of third-party trademarks or logos is subject to those third-party policies.
+
+## License
+
+MIT License - see [LICENSE](LICENSE) for details.
diff --git a/examples/delays_and_timeouts.rs b/examples/delays_and_timeouts.rs
index 824eea00..66b95b10 100644
--- a/examples/delays_and_timeouts.rs
+++ b/examples/delays_and_timeouts.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
 #![allow(clippy::expect_used)]
diff --git a/examples/fan_out_fan_in.rs b/examples/fan_out_fan_in.rs
index 1a023778..99ed6a1b 100644
--- a/examples/fan_out_fan_in.rs
+++ b/examples/fan_out_fan_in.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Fan-Out/Fan-In Pattern Example
 //!
 //! This example demonstrates parallel execution of multiple activities
diff --git a/examples/hello_world.rs b/examples/hello_world.rs
index f11a7615..ea3ac2d4 100644
--- a/examples/hello_world.rs
+++ b/examples/hello_world.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Hello World Example - Start here to learn Duroxide basics
 //!
 //! This example demonstrates:
diff --git a/examples/metrics_cli.rs b/examples/metrics_cli.rs
index 98849f35..5350d15f 100644
--- a/examples/metrics_cli.rs
+++ b/examples/metrics_cli.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Interactive observability dashboard for duroxide.
 //!
 //! This CLI tool demonstrates how to consume and display duroxide metrics
diff --git a/examples/timers_and_events.rs b/examples/timers_and_events.rs
index 28ee5f98..0dcd20ed 100644
--- a/examples/timers_and_events.rs
+++ b/examples/timers_and_events.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Timers and External Events Example
 //!
 //! This example demonstrates:
diff --git a/examples/with_observability.rs b/examples/with_observability.rs
index 432c6763..49fdd8cf 100644
--- a/examples/with_observability.rs
+++ b/examples/with_observability.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Example demonstrating duroxide with observability enabled.
 //!
 //! This example shows how to configure structured logging and metrics
diff --git a/run-stress-tests.sh b/run-stress-tests.sh
index 8660825c..8c5bc860 100755
--- a/run-stress-tests.sh
+++ b/run-stress-tests.sh
@@ -1,4 +1,7 @@
 #!/bin/bash
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
+
 # Run Duroxide stress tests
 #
 # This script runs the stress test suite including:
diff --git a/run-tests.sh b/run-tests.sh
index d4ddbc2e..f91f3e59 100755
--- a/run-tests.sh
+++ b/run-tests.sh
@@ -1,4 +1,7 @@
 #!/usr/bin/env bash
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
+
 # Run the full duroxide test suite in two passes:
 #   Pass 1: --all-features  (enables replay-version-test, runs v2 acceptance tests)
 #   Pass 2: no features      (runs v1 serde rejection tests — proves v2 events are rejected)
diff --git a/sqlite-stress/src/bin/large-payload-stress.rs b/sqlite-stress/src/bin/large-payload-stress.rs
index 05a14ac4..1a2fddba 100644
--- a/sqlite-stress/src/bin/large-payload-stress.rs
+++ b/sqlite-stress/src/bin/large-payload-stress.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Large Payload SQLite Stress Test Binary
 //!
 //! This binary runs the large payload stress test with SQLite provider.
diff --git a/sqlite-stress/src/bin/sqlite-stress.rs b/sqlite-stress/src/bin/sqlite-stress.rs
index dbdebaa1..1ae7467c 100644
--- a/sqlite-stress/src/bin/sqlite-stress.rs
+++ b/sqlite-stress/src/bin/sqlite-stress.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! SQLite Stress Test Binary
 //!
 //! This binary runs the SQLite stress test suite across multiple configurations.
diff --git a/sqlite-stress/src/lib.rs b/sqlite-stress/src/lib.rs
index ca0d9812..d2745e24 100644
--- a/sqlite-stress/src/lib.rs
+++ b/sqlite-stress/src/lib.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! SQLite Stress Tests for Duroxide
 //!
 //! This library provides SQLite-specific stress test implementations for Duroxide,
diff --git a/sqlite-stress/track-results.sh b/sqlite-stress/track-results.sh
index a04ce496..dd42e796 100755
--- a/sqlite-stress/track-results.sh
+++ b/sqlite-stress/track-results.sh
@@ -1,4 +1,7 @@
 #!/bin/bash
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
+
 # Track stress test results with git history and rolling averages
 
 set -e
diff --git a/src/client/mod.rs b/src/client/mod.rs
index d24ebce0..0daa3b2e 100644
--- a/src/client/mod.rs
+++ b/src/client/mod.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 use std::sync::Arc;
 
 use tracing::info;
diff --git a/src/combinators.rs b/src/combinators.rs
index 3d2357ca..568b3d5e 100644
--- a/src/combinators.rs
+++ b/src/combinators.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 use crate::{Either2, Either3};
 use std::future::Future;
 use std::pin::Pin;
diff --git a/src/lib.rs b/src/lib.rs
index 2c39f776..e4653528 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! # Duroxide: Durable execution framework in Rust
 //!
 //! Duroxide is a framework for building reliable, long-running code based workflows that can survive
diff --git a/src/provider_stress_test/core.rs b/src/provider_stress_test/core.rs
index 1e96fbbe..f5577833 100644
--- a/src/provider_stress_test/core.rs
+++ b/src/provider_stress_test/core.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Core stress test infrastructure - types, runner, and utilities.
 
 use crate::providers::Provider;
diff --git a/src/provider_stress_test/large_payload.rs b/src/provider_stress_test/large_payload.rs
index 247e85be..135f9ad5 100644
--- a/src/provider_stress_test/large_payload.rs
+++ b/src/provider_stress_test/large_payload.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Large payload stress test scenario.
 //!
 //! Tests memory consumption and history management with large event payloads.
diff --git a/src/provider_stress_test/mod.rs b/src/provider_stress_test/mod.rs
index f34f0915..5d92534b 100644
--- a/src/provider_stress_test/mod.rs
+++ b/src/provider_stress_test/mod.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Provider stress test infrastructure implementation modules.
 
 pub mod core;
diff --git a/src/provider_stress_test/parallel_orchestrations.rs b/src/provider_stress_test/parallel_orchestrations.rs
index 6365deff..df2f8005 100644
--- a/src/provider_stress_test/parallel_orchestrations.rs
+++ b/src/provider_stress_test/parallel_orchestrations.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Parallel orchestrations stress test scenario.
 //!
 //! Tests fan-out/fan-in orchestration patterns with concurrent instance execution.
diff --git a/src/provider_stress_tests.rs b/src/provider_stress_tests.rs
index 25d9c14c..11091ceb 100644
--- a/src/provider_stress_tests.rs
+++ b/src/provider_stress_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Provider Stress Test Infrastructure
 //!
 //! This module provides reusable stress test infrastructure for validating custom Provider implementations
diff --git a/src/provider_validation/atomicity.rs b/src/provider_validation/atomicity.rs
index 794e0ad0..c74ace3f 100644
--- a/src/provider_validation/atomicity.rs
+++ b/src/provider_validation/atomicity.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 use crate::provider_validation::{Event, EventKind, ExecutionMetadata, start_item};
 use crate::provider_validations::ProviderFactory;
 use crate::providers::{TagFilter, WorkItem};
diff --git a/src/provider_validation/bulk_deletion.rs b/src/provider_validation/bulk_deletion.rs
index e092ee24..13630771 100644
--- a/src/provider_validation/bulk_deletion.rs
+++ b/src/provider_validation/bulk_deletion.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Provider validation tests for bulk delete instance operations.
 //!
 //! These tests verify that providers correctly implement the delete_instance_bulk API,
diff --git a/src/provider_validation/cancellation.rs b/src/provider_validation/cancellation.rs
index 86a98668..c209d255 100644
--- a/src/provider_validation/cancellation.rs
+++ b/src/provider_validation/cancellation.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 use crate::provider_validation::{Event, EventKind, ExecutionMetadata, start_item};
 use crate::provider_validations::ProviderFactory;
 use crate::providers::{ScheduledActivityIdentifier, TagFilter, WorkItem};
diff --git a/src/provider_validation/capability_filtering.rs b/src/provider_validation/capability_filtering.rs
index f7a1ce59..b304a378 100644
--- a/src/provider_validation/capability_filtering.rs
+++ b/src/provider_validation/capability_filtering.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Capability filtering provider validation tests.
 //!
 //! These tests validate that providers correctly implement the capability filtering
diff --git a/src/provider_validation/custom_status.rs b/src/provider_validation/custom_status.rs
index 9147b131..eb13b794 100644
--- a/src/provider_validation/custom_status.rs
+++ b/src/provider_validation/custom_status.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Provider validation tests for custom status.
 //!
 //! These tests validate that a Provider implementation correctly handles
diff --git a/src/provider_validation/deletion.rs b/src/provider_validation/deletion.rs
index 312edc15..c432910b 100644
--- a/src/provider_validation/deletion.rs
+++ b/src/provider_validation/deletion.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Provider validation tests for deletion operations.
 //!
 //! These tests verify that providers correctly implement the deletion API,
diff --git a/src/provider_validation/error_handling.rs b/src/provider_validation/error_handling.rs
index c14623fc..041208e2 100644
--- a/src/provider_validation/error_handling.rs
+++ b/src/provider_validation/error_handling.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 use crate::INITIAL_EXECUTION_ID;
 use crate::provider_validation::{Event, EventKind, ExecutionMetadata, create_instance, start_item};
 use crate::provider_validations::ProviderFactory;
diff --git a/src/provider_validation/instance_creation.rs b/src/provider_validation/instance_creation.rs
index 367b4476..79a62ac4 100644
--- a/src/provider_validation/instance_creation.rs
+++ b/src/provider_validation/instance_creation.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 use crate::provider_validation::{Event, EventKind, ExecutionMetadata, start_item};
 use crate::provider_validations::ProviderFactory;
 use crate::providers::WorkItem;
diff --git a/src/provider_validation/instance_locking.rs b/src/provider_validation/instance_locking.rs
index 6ec0cc46..72903ef9 100644
--- a/src/provider_validation/instance_locking.rs
+++ b/src/provider_validation/instance_locking.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 use crate::provider_validation::{ExecutionMetadata, start_item};
 use crate::provider_validations::ProviderFactory;
 use crate::providers::WorkItem;
diff --git a/src/provider_validation/kv_store.rs b/src/provider_validation/kv_store.rs
index 7fec4cce..09d31514 100644
--- a/src/provider_validation/kv_store.rs
+++ b/src/provider_validation/kv_store.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Provider validation tests for the KV store.
 //!
 //! These tests validate that a Provider implementation correctly handles
diff --git a/src/provider_validation/lock_expiration.rs b/src/provider_validation/lock_expiration.rs
index f3c6ec3e..39526743 100644
--- a/src/provider_validation/lock_expiration.rs
+++ b/src/provider_validation/lock_expiration.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 use crate::provider_validation::{Event, EventKind, ExecutionMetadata, WorkItem, start_item};
 use crate::provider_validations::ProviderFactory;
 use crate::providers::TagFilter;
diff --git a/src/provider_validation/long_polling.rs b/src/provider_validation/long_polling.rs
index 49907f28..c1f92281 100644
--- a/src/provider_validation/long_polling.rs
+++ b/src/provider_validation/long_polling.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Long polling validation tests for providers.
 //!
 //! These tests verify correct polling behavior. Providers that don't support long polling
diff --git a/src/provider_validation/management.rs b/src/provider_validation/management.rs
index 9a42b628..aa39d6be 100644
--- a/src/provider_validation/management.rs
+++ b/src/provider_validation/management.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 use crate::provider_validation::{Event, EventKind, ExecutionMetadata, start_item};
 use crate::provider_validations::ProviderFactory;
 use crate::providers::WorkItem;
diff --git a/src/provider_validation/mod.rs b/src/provider_validation/mod.rs
index 72a11823..ee6266c8 100644
--- a/src/provider_validation/mod.rs
+++ b/src/provider_validation/mod.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Provider Validation Tests
 //!
 //! Comprehensive test suite for validating provider implementations.
diff --git a/src/provider_validation/multi_execution.rs b/src/provider_validation/multi_execution.rs
index b3bdc4e3..ddeb8f36 100644
--- a/src/provider_validation/multi_execution.rs
+++ b/src/provider_validation/multi_execution.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 use crate::provider_validation::{Event, EventKind, ExecutionMetadata};
 use crate::provider_validations::ProviderFactory;
 use crate::providers::WorkItem;
diff --git a/src/provider_validation/poison_message.rs b/src/provider_validation/poison_message.rs
index 1a1d0e7c..242a56df 100644
--- a/src/provider_validation/poison_message.rs
+++ b/src/provider_validation/poison_message.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Poison Message Detection Validation Tests
 //!
 //! These tests validate that providers correctly track attempt counts
diff --git a/src/provider_validation/prune.rs b/src/provider_validation/prune.rs
index af4e8bd6..a8280a52 100644
--- a/src/provider_validation/prune.rs
+++ b/src/provider_validation/prune.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Provider validation tests for execution pruning operations.
 //!
 //! These tests verify that providers correctly implement the prune API,
diff --git a/src/provider_validation/queue_semantics.rs b/src/provider_validation/queue_semantics.rs
index c69acbc6..172d692d 100644
--- a/src/provider_validation/queue_semantics.rs
+++ b/src/provider_validation/queue_semantics.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 use crate::provider_validation::{Event, EventKind, ExecutionMetadata, create_instance, start_item};
 use crate::provider_validations::ProviderFactory;
 use crate::providers::{TagFilter, WorkItem};
diff --git a/src/provider_validation/sessions.rs b/src/provider_validation/sessions.rs
index bef83555..cd3f7233 100644
--- a/src/provider_validation/sessions.rs
+++ b/src/provider_validation/sessions.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Session Routing Provider Validation Tests
 //!
 //! Tests that validate the implicit session routing contract for providers.
diff --git a/src/provider_validation/tag_filtering.rs b/src/provider_validation/tag_filtering.rs
index a72d6950..23f86046 100644
--- a/src/provider_validation/tag_filtering.rs
+++ b/src/provider_validation/tag_filtering.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Tag filtering validation tests for providers.
 //!
 //! These tests verify that `fetch_work_item` correctly filters activities by tag
diff --git a/src/provider_validations.rs b/src/provider_validations.rs
index 138d42fb..d1276a93 100644
--- a/src/provider_validations.rs
+++ b/src/provider_validations.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Provider Validation Infrastructure
 //!
 //! This module provides reusable test infrastructure for validating custom Provider implementations.
diff --git a/src/providers/error.rs b/src/providers/error.rs
index e8fd6c4a..255f9a8d 100644
--- a/src/providers/error.rs
+++ b/src/providers/error.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 /// Provider-specific error with retry classification
 ///
 /// Providers return this error type to indicate whether an error should be retried.
diff --git a/src/providers/instrumented.rs b/src/providers/instrumented.rs
index 6e24029e..459ad934 100644
--- a/src/providers/instrumented.rs
+++ b/src/providers/instrumented.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Instrumented provider wrapper that adds metrics to any provider implementation.
 
 use async_trait::async_trait;
diff --git a/src/providers/management.rs b/src/providers/management.rs
index 1973742e..4c175326 100644
--- a/src/providers/management.rs
+++ b/src/providers/management.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Management and observability provider interface.
 //!
 //! Separate from the core Provider trait, this interface provides
diff --git a/src/providers/mod.rs b/src/providers/mod.rs
index f1315cde..6ec684c4 100644
--- a/src/providers/mod.rs
+++ b/src/providers/mod.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 use crate::Event;
 use std::any::Any;
 use std::collections::HashSet;
diff --git a/src/providers/sqlite.rs b/src/providers/sqlite.rs
index eda3c3a7..e7632f6f 100644
--- a/src/providers/sqlite.rs
+++ b/src/providers/sqlite.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 // SQLite provider: Mutex/lock operations should panic on poison
 #![allow(clippy::expect_used)]
 #![allow(clippy::unwrap_used)]
diff --git a/src/runtime/dispatchers/mod.rs b/src/runtime/dispatchers/mod.rs
index 255ec28c..9a62d316 100644
--- a/src/runtime/dispatchers/mod.rs
+++ b/src/runtime/dispatchers/mod.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Dispatcher implementations for Runtime
 //!
 //! This module contains the dispatcher logic split into separate concerns:
diff --git a/src/runtime/dispatchers/orchestration.rs b/src/runtime/dispatchers/orchestration.rs
index 72488abc..99ef7fe9 100644
--- a/src/runtime/dispatchers/orchestration.rs
+++ b/src/runtime/dispatchers/orchestration.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Orchestration dispatcher implementation for Runtime
 //!
 //! This module contains the orchestration dispatcher logic that:
diff --git a/src/runtime/dispatchers/worker.rs b/src/runtime/dispatchers/worker.rs
index 157729dc..8a2cdb51 100644
--- a/src/runtime/dispatchers/worker.rs
+++ b/src/runtime/dispatchers/worker.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Worker (activity) dispatcher implementation for Runtime
 //!
 //! This module contains the worker dispatcher logic that:
diff --git a/src/runtime/execution.rs b/src/runtime/execution.rs
index 3d70804b..c5801c53 100644
--- a/src/runtime/execution.rs
+++ b/src/runtime/execution.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 // Execution module uses Mutex locks - poison indicates a panic and should propagate
 #![allow(clippy::expect_used)]
 #![allow(clippy::unwrap_used)]
diff --git a/src/runtime/limits.rs b/src/runtime/limits.rs
index 4faf121a..301d9573 100644
--- a/src/runtime/limits.rs
+++ b/src/runtime/limits.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Runtime limits and constants.
 //!
 //! Collect all hard limits in one place so they're easy to find, document,
diff --git a/src/runtime/mod.rs b/src/runtime/mod.rs
index fef0b093..52f5d582 100644
--- a/src/runtime/mod.rs
+++ b/src/runtime/mod.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 // Runtime module: Mutex poisoning indicates a panic - all lock().unwrap()/expect() are intentional.
 #![allow(clippy::expect_used)]
 #![allow(clippy::unwrap_used)]
diff --git a/src/runtime/observability.rs b/src/runtime/observability.rs
index 090ae347..dcea2f8e 100644
--- a/src/runtime/observability.rs
+++ b/src/runtime/observability.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Observability infrastructure for metrics and structured logging.
 //!
 //! This module provides metrics via the `metrics` facade crate and structured logging
diff --git a/src/runtime/registry.rs b/src/runtime/registry.rs
index 94ff1603..2d0f9051 100644
--- a/src/runtime/registry.rs
+++ b/src/runtime/registry.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Generic versioned registry for orchestrations and activities
 //!
 //! This module provides a unified `Registry<H>` type that can store both orchestration
diff --git a/src/runtime/replay_engine.rs b/src/runtime/replay_engine.rs
index 7dc67e9b..f6441955 100644
--- a/src/runtime/replay_engine.rs
+++ b/src/runtime/replay_engine.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 // Replay engine uses Mutex locks - poison indicates a panic and should propagate
 #![allow(clippy::expect_used)]
 #![allow(clippy::unwrap_used)]
diff --git a/src/runtime/replay_engine_tests.rs b/src/runtime/replay_engine_tests.rs
index dec034d0..5efe7af9 100644
--- a/src/runtime/replay_engine_tests.rs
+++ b/src/runtime/replay_engine_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 #[cfg(test)]
 mod tests {
     use crate::providers::WorkItem;
diff --git a/src/runtime/state_helpers.rs b/src/runtime/state_helpers.rs
index 0d2e210f..5c4c45c6 100644
--- a/src/runtime/state_helpers.rs
+++ b/src/runtime/state_helpers.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 use crate::{
     Event, EventKind,
     providers::{ScheduledActivityIdentifier, WorkItem},
diff --git a/src/runtime/test_hooks.rs b/src/runtime/test_hooks.rs
index 9698307a..777ef271 100644
--- a/src/runtime/test_hooks.rs
+++ b/src/runtime/test_hooks.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Test hooks for simulating various conditions during testing.
 //!
 //! This module provides test-only hooks that allow tests to inject delays
diff --git a/tests/activity_routing_tests.rs b/tests/activity_routing_tests.rs
index ddf0202b..754bb0eb 100644
--- a/tests/activity_routing_tests.rs
+++ b/tests/activity_routing_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
 #![allow(clippy::expect_used)]
diff --git a/tests/async_block_tests.rs b/tests/async_block_tests.rs
index b4915142..1cc62dbc 100644
--- a/tests/async_block_tests.rs
+++ b/tests/async_block_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Async block pattern tests for simplified replay mode.
 //!
 //! These tests validate complex async block patterns including:
diff --git a/tests/bulk_deletion_integration_tests.rs b/tests/bulk_deletion_integration_tests.rs
index 6c6220f4..07db33db 100644
--- a/tests/bulk_deletion_integration_tests.rs
+++ b/tests/bulk_deletion_integration_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Integration tests for bulk delete instances operations via Client API.
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
diff --git a/tests/cancellation_tests.rs b/tests/cancellation_tests.rs
index 67539240..65efeef1 100644
--- a/tests/cancellation_tests.rs
+++ b/tests/cancellation_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
 #![allow(clippy::expect_used)]
diff --git a/tests/capability_filtering_tests.rs b/tests/capability_filtering_tests.rs
index 4b5a4aec..d930a309 100644
--- a/tests/capability_filtering_tests.rs
+++ b/tests/capability_filtering_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Capability filtering scenario tests (Category C, D, E, G, H)
 //!
 //! End-to-end tests with real Runtime + Client + SQLite provider that validate:
diff --git a/tests/common/fault_injection.rs b/tests/common/fault_injection.rs
index 2fd60cf8..49e52446 100644
--- a/tests/common/fault_injection.rs
+++ b/tests/common/fault_injection.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Fault Injection Providers for Testing
 //!
 //! Provides wrapper providers that can inject faults for testing error handling,
diff --git a/tests/common/mod.rs b/tests/common/mod.rs
index 112c381d..2c6ea9ff 100644
--- a/tests/common/mod.rs
+++ b/tests/common/mod.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
 #![allow(clippy::expect_used)]
diff --git a/tests/common/tracing_capture.rs b/tests/common/tracing_capture.rs
index 82ef98ed..78ccdd44 100644
--- a/tests/common/tracing_capture.rs
+++ b/tests/common/tracing_capture.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Shared tracing capture helper for tests that need to assert on log output.
 
 use std::collections::BTreeMap;
diff --git a/tests/concurrency_tests.rs b/tests/concurrency_tests.rs
index bbcbe6ca..343f8817 100644
--- a/tests/concurrency_tests.rs
+++ b/tests/concurrency_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
 #![allow(clippy::expect_used)]
diff --git a/tests/continue_as_new_tests.rs b/tests/continue_as_new_tests.rs
index 4059b70c..e486576c 100644
--- a/tests/continue_as_new_tests.rs
+++ b/tests/continue_as_new_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
 #![allow(clippy::expect_used)]
diff --git a/tests/custom_status_tests.rs b/tests/custom_status_tests.rs
index 241c09d3..a62158d7 100644
--- a/tests/custom_status_tests.rs
+++ b/tests/custom_status_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 // Custom status e2e tests
 //
 // Validates set_custom_status(), reset_custom_status(), and the custom_status
diff --git a/tests/deletion_integration_tests.rs b/tests/deletion_integration_tests.rs
index 2017b94d..b19b0d05 100644
--- a/tests/deletion_integration_tests.rs
+++ b/tests/deletion_integration_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Integration tests for deletion operations via Client API.
 //!
 //! These tests verify end-to-end deletion behavior with real orchestration execution.
diff --git a/tests/dispatcher_queues_fs.rs b/tests/dispatcher_queues_fs.rs
index fae7af49..86f8033b 100644
--- a/tests/dispatcher_queues_fs.rs
+++ b/tests/dispatcher_queues_fs.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
 #![allow(clippy::expect_used)]
diff --git a/tests/e2e_samples.rs b/tests/e2e_samples.rs
index 03cb60bc..d206e247 100644
--- a/tests/e2e_samples.rs
+++ b/tests/e2e_samples.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! End-to-end samples: start here to learn the API by example.
 //!
 //! Each test demonstrates a common orchestration pattern using
diff --git a/tests/errors_tests.rs b/tests/errors_tests.rs
index 6df1b36d..24db414a 100644
--- a/tests/errors_tests.rs
+++ b/tests/errors_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
 #![allow(clippy::expect_used)]
diff --git a/tests/futures_tests.rs b/tests/futures_tests.rs
index 99b0004b..9b1c3a84 100644
--- a/tests/futures_tests.rs
+++ b/tests/futures_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 // Use SQLite via common helper
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
diff --git a/tests/kv_store_tests.rs b/tests/kv_store_tests.rs
index b192cf46..b57c86a8 100644
--- a/tests/kv_store_tests.rs
+++ b/tests/kv_store_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 // KV store e2e tests
 //
 // Validates set_value(), get_value(), clear_value(), clear_all_values(),
diff --git a/tests/lock_timeout_tests.rs b/tests/lock_timeout_tests.rs
index 9885f891..06ec3522 100644
--- a/tests/lock_timeout_tests.rs
+++ b/tests/lock_timeout_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
 #![allow(clippy::expect_used)]
diff --git a/tests/long_poll_tests.rs b/tests/long_poll_tests.rs
index f418475c..0327fc1e 100644
--- a/tests/long_poll_tests.rs
+++ b/tests/long_poll_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
 #![allow(clippy::expect_used)]
diff --git a/tests/management_interface_test.rs b/tests/management_interface_test.rs
index 791f1156..8b7b6e6d 100644
--- a/tests/management_interface_test.rs
+++ b/tests/management_interface_test.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Comprehensive tests for the management interface including metrics
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
diff --git a/tests/nondeterminism_tests.rs b/tests/nondeterminism_tests.rs
index beb5d9b0..20930181 100644
--- a/tests/nondeterminism_tests.rs
+++ b/tests/nondeterminism_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
 #![allow(clippy::expect_used)]
diff --git a/tests/observability_tests.rs b/tests/observability_tests.rs
index 6b552793..58753b49 100644
--- a/tests/observability_tests.rs
+++ b/tests/observability_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Observability-focused tests covering tracing for activities and orchestrations.
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
diff --git a/tests/orchestration_status_tests.rs b/tests/orchestration_status_tests.rs
index fc7627d1..e85eba59 100644
--- a/tests/orchestration_status_tests.rs
+++ b/tests/orchestration_status_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Tests for OrchestrationStatus determination across all scenarios
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
diff --git a/tests/poison_message_tests.rs b/tests/poison_message_tests.rs
index bbde348d..950b057f 100644
--- a/tests/poison_message_tests.rs
+++ b/tests/poison_message_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Poison Message Handling Tests
 //!
 //! These tests validate the runtime behavior when messages exceed max_attempts.
diff --git a/tests/property_tests.rs b/tests/property_tests.rs
index 2785fba8..1a47a25c 100644
--- a/tests/property_tests.rs
+++ b/tests/property_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Property-based tests using proptest to verify invariants
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
diff --git a/tests/provider_atomic_tests.rs b/tests/provider_atomic_tests.rs
index 5073d4c9..422a6f90 100644
--- a/tests/provider_atomic_tests.rs
+++ b/tests/provider_atomic_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
 #![allow(clippy::expect_used)]
diff --git a/tests/provider_stress_test_validation.rs b/tests/provider_stress_test_validation.rs
index 34d9241a..165b9119 100644
--- a/tests/provider_stress_test_validation.rs
+++ b/tests/provider_stress_test_validation.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Minimal validation test for the provider stress test infrastructure.
 //!
 //! This test just ensures the stress test infrastructure doesn't break.
diff --git a/tests/prune_integration_tests.rs b/tests/prune_integration_tests.rs
index 3dd19fa2..fba0fd2d 100644
--- a/tests/prune_integration_tests.rs
+++ b/tests/prune_integration_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Integration tests for execution pruning operations via Client API.
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
diff --git a/tests/queue_event_tests.rs b/tests/queue_event_tests.rs
index 83f5aed5..8d01925f 100644
--- a/tests/queue_event_tests.rs
+++ b/tests/queue_event_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
 #![allow(clippy::expect_used)]
diff --git a/tests/races_tests.rs b/tests/races_tests.rs
index d70c94a1..3cab85e8 100644
--- a/tests/races_tests.rs
+++ b/tests/races_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
 #![allow(clippy::expect_used)]
diff --git a/tests/recovery_tests.rs b/tests/recovery_tests.rs
index 9a9f5ed8..676cf5e3 100644
--- a/tests/recovery_tests.rs
+++ b/tests/recovery_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
 #![allow(clippy::expect_used)]
diff --git a/tests/registry_tests.rs b/tests/registry_tests.rs
index 6aee946a..79497435 100644
--- a/tests/registry_tests.rs
+++ b/tests/registry_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Tests for registry composition features (merge, builder_from, register_all)
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
diff --git a/tests/reliability_tests.rs b/tests/reliability_tests.rs
index 84559d36..7094c7d1 100644
--- a/tests/reliability_tests.rs
+++ b/tests/reliability_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
 #![allow(clippy::expect_used)]
diff --git a/tests/replay_engine/action_to_event.rs b/tests/replay_engine/action_to_event.rs
index 059f9b11..196a647d 100644
--- a/tests/replay_engine/action_to_event.rs
+++ b/tests/replay_engine/action_to_event.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Action to Event Recording Tests
 //!
 //! Tests verifying that each orchestration action type correctly
diff --git a/tests/replay_engine/cancellation.rs b/tests/replay_engine/cancellation.rs
index 8e76e4ba..5f07bc2a 100644
--- a/tests/replay_engine/cancellation.rs
+++ b/tests/replay_engine/cancellation.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Cancellation Tests
 //!
 //! Tests for OrchestrationCancelRequested handling.
diff --git a/tests/replay_engine/completion_messages.rs b/tests/replay_engine/completion_messages.rs
index d2bb8fc7..a09bc3da 100644
--- a/tests/replay_engine/completion_messages.rs
+++ b/tests/replay_engine/completion_messages.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Completion Message Processing Tests
 //!
 //! Tests for WorkItem → Event conversion and filtering via prep_completions.
diff --git a/tests/replay_engine/composition.rs b/tests/replay_engine/composition.rs
index 1092b8c0..3d74dba3 100644
--- a/tests/replay_engine/composition.rs
+++ b/tests/replay_engine/composition.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Select/Join Composition Tests
 //!
 //! Tests for aggregate future behavior (select, join).
diff --git a/tests/replay_engine/edge_cases.rs b/tests/replay_engine/edge_cases.rs
index dccd9496..34ac13e1 100644
--- a/tests/replay_engine/edge_cases.rs
+++ b/tests/replay_engine/edge_cases.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Edge Case Tests
 //!
 //! Various edge cases and boundary conditions.
diff --git a/tests/replay_engine/event_allocation.rs b/tests/replay_engine/event_allocation.rs
index 1032fcfb..1134c2b8 100644
--- a/tests/replay_engine/event_allocation.rs
+++ b/tests/replay_engine/event_allocation.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Event ID Allocation Tests
 //!
 //! Tests verifying correct event ID assignment for new events.
diff --git a/tests/replay_engine/failure_handling.rs b/tests/replay_engine/failure_handling.rs
index 773161ce..263a5297 100644
--- a/tests/replay_engine/failure_handling.rs
+++ b/tests/replay_engine/failure_handling.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Activity Failure Handling Tests
 //!
 //! Tests for different error categories in activity failures.
diff --git a/tests/replay_engine/fresh_execution.rs b/tests/replay_engine/fresh_execution.rs
index afd66091..6f65b9fb 100644
--- a/tests/replay_engine/fresh_execution.rs
+++ b/tests/replay_engine/fresh_execution.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Fresh Execution Tests
 //!
 //! Tests where the orchestration starts from OrchestrationStarted with no prior schedule events.
diff --git a/tests/replay_engine/helpers.rs b/tests/replay_engine/helpers.rs
index 7d64148a..21fa39b6 100644
--- a/tests/replay_engine/helpers.rs
+++ b/tests/replay_engine/helpers.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Test helpers for replay engine tests
 //!
 //! Provides utilities for constructing test histories, mock handlers,
diff --git a/tests/replay_engine/history_corruption.rs b/tests/replay_engine/history_corruption.rs
index 52839c2f..67540b26 100644
--- a/tests/replay_engine/history_corruption.rs
+++ b/tests/replay_engine/history_corruption.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! History Corruption Tests
 //!
 //! Tests for invalid history detection and graceful handling.
diff --git a/tests/replay_engine/is_replaying.rs b/tests/replay_engine/is_replaying.rs
index 89fc06fd..ca3ffd02 100644
--- a/tests/replay_engine/is_replaying.rs
+++ b/tests/replay_engine/is_replaying.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! is_replaying State Tests
 //!
 //! Tests verifying the context's replay state tracking.
diff --git a/tests/replay_engine/kv.rs b/tests/replay_engine/kv.rs
index 82f27bad..8140dc88 100644
--- a/tests/replay_engine/kv.rs
+++ b/tests/replay_engine/kv.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! KV Store Replay Engine Tests
 //!
 //! Tests verifying:
diff --git a/tests/replay_engine/mod.rs b/tests/replay_engine/mod.rs
index 9a055b76..8e8212a2 100644
--- a/tests/replay_engine/mod.rs
+++ b/tests/replay_engine/mod.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Replay Engine Tests
 //!
 //! This module contains comprehensive tests for the ReplayEngine,
diff --git a/tests/replay_engine/nondeterminism.rs b/tests/replay_engine/nondeterminism.rs
index 61626e8b..6fe79f47 100644
--- a/tests/replay_engine/nondeterminism.rs
+++ b/tests/replay_engine/nondeterminism.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Nondeterminism Detection Tests
 //!
 //! Tests verifying the engine detects replay mismatches.
diff --git a/tests/replay_engine/panic_handling.rs b/tests/replay_engine/panic_handling.rs
index d0948db2..7fdb41cc 100644
--- a/tests/replay_engine/panic_handling.rs
+++ b/tests/replay_engine/panic_handling.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Handler Panic Handling Tests
 //!
 //! Tests for orchestration panics.
diff --git a/tests/replay_engine/partial_completion.rs b/tests/replay_engine/partial_completion.rs
index 964ea6bf..7b5c2eac 100644
--- a/tests/replay_engine/partial_completion.rs
+++ b/tests/replay_engine/partial_completion.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Partial Completion Tests
 //!
 //! Tests where history has schedule events but completions haven't arrived yet.
diff --git a/tests/replay_engine/replay_with_completions.rs b/tests/replay_engine/replay_with_completions.rs
index eeb8039f..5a47d58e 100644
--- a/tests/replay_engine/replay_with_completions.rs
+++ b/tests/replay_engine/replay_with_completions.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Replay with Completions Tests
 //!
 //! Tests where the baseline history contains both schedule AND completion events.
diff --git a/tests/replay_engine/sequential_progress.rs b/tests/replay_engine/sequential_progress.rs
index acde980e..ed7c9c5e 100644
--- a/tests/replay_engine/sequential_progress.rs
+++ b/tests/replay_engine/sequential_progress.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Sequential Progress Tests
 //!
 //! Tests verifying multi-step orchestration replay.
diff --git a/tests/replay_engine/sub_orchestration.rs b/tests/replay_engine/sub_orchestration.rs
index c4ae809f..f48ef004 100644
--- a/tests/replay_engine/sub_orchestration.rs
+++ b/tests/replay_engine/sub_orchestration.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Sub-orchestration Instance ID Generation Tests
 //!
 //! Tests for deterministic child instance ID generation.
diff --git a/tests/replay_engine/unobserved_futures.rs b/tests/replay_engine/unobserved_futures.rs
index fec4031a..9b589c13 100644
--- a/tests/replay_engine/unobserved_futures.rs
+++ b/tests/replay_engine/unobserved_futures.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Unobserved Future Cancellation Tests
 //!
 //! Tests for cancellation of DurableFuture when dropped without completion.
diff --git a/tests/replay_engine_tests.rs b/tests/replay_engine_tests.rs
index 1a51a726..1a983ad3 100644
--- a/tests/replay_engine_tests.rs
+++ b/tests/replay_engine_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Replay Engine Test Suite
 //!
 //! This test file pulls in the replay_engine module which contains
diff --git a/tests/runtime_options_test.rs b/tests/runtime_options_test.rs
index ce4984e0..157a54b1 100644
--- a/tests/runtime_options_test.rs
+++ b/tests/runtime_options_test.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Tests for RuntimeOptions configuration
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
diff --git a/tests/scenarios.rs b/tests/scenarios.rs
index 86437cea..55bf4aba 100644
--- a/tests/scenarios.rs
+++ b/tests/scenarios.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Scenario tests derived from real-world usage patterns
 //!
 //! This module contains regression tests that model specific scenarios found in actual
diff --git a/tests/scenarios/copilot_chat.rs b/tests/scenarios/copilot_chat.rs
index 5f7703a7..95cc04d6 100644
--- a/tests/scenarios/copilot_chat.rs
+++ b/tests/scenarios/copilot_chat.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Scenario test: "Chat with your orchestration"
 //!
 //! Demonstrates a conversational pattern where an external client sends typed
diff --git a/tests/scenarios/replay_versioning.rs b/tests/scenarios/replay_versioning.rs
index ca9c67ed..90d82c18 100644
--- a/tests/scenarios/replay_versioning.rs
+++ b/tests/scenarios/replay_versioning.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Replay engine extensibility verification via topic-based external events.
 //!
 //! This test proves that the replay engine can be extended with new EventKind variants
diff --git a/tests/scenarios/rolling_deployment.rs b/tests/scenarios/rolling_deployment.rs
index 8ac1998f..4a709af5 100644
--- a/tests/scenarios/rolling_deployment.rs
+++ b/tests/scenarios/rolling_deployment.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Rolling deployment scenario tests
 //!
 //! These tests simulate real-world rolling deployment scenarios where:
diff --git a/tests/scenarios/sessions.rs b/tests/scenarios/sessions.rs
index e5029710..007e0848 100644
--- a/tests/scenarios/sessions.rs
+++ b/tests/scenarios/sessions.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Session Scenario Test — Durable-Copilot-SDK Pattern
 //!
 //! This test faithfully models the durable-copilot-sdk's architecture, the primary
diff --git a/tests/scenarios/single_thread.rs b/tests/scenarios/single_thread.rs
index 732ec7d5..241e88b0 100644
--- a/tests/scenarios/single_thread.rs
+++ b/tests/scenarios/single_thread.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Single-thread runtime scenario tests
 //!
 //! These tests validate duroxide's behavior when running in tokio's
diff --git a/tests/scenarios/toygres.rs b/tests/scenarios/toygres.rs
index 6aca4b25..99421067 100644
--- a/tests/scenarios/toygres.rs
+++ b/tests/scenarios/toygres.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 use duroxide::Either2;
 use duroxide::runtime;
 use duroxide::runtime::registry::ActivityRegistry;
diff --git a/tests/scenarios/version_replay_bug.rs b/tests/scenarios/version_replay_bug.rs
index 7236dad2..f8d06013 100644
--- a/tests/scenarios/version_replay_bug.rs
+++ b/tests/scenarios/version_replay_bug.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Bug reproduction test for issue #49: WorkItemReader doesn't extract version from history during replay
 //!
 //! This test reproduces the exact scenario where:
diff --git a/tests/schedule_with_retry_tests.rs b/tests/schedule_with_retry_tests.rs
index 1d06c106..2f541558 100644
--- a/tests/schedule_with_retry_tests.rs
+++ b/tests/schedule_with_retry_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Tests for schedule_activity_with_retry functionality
 //!
 //! This file contains:
diff --git a/tests/session_e2e_tests.rs b/tests/session_e2e_tests.rs
index d215ad90..938ee6df 100644
--- a/tests/session_e2e_tests.rs
+++ b/tests/session_e2e_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! End-to-end tests for the activity session (implicit sessions v2) feature.
 //!
 //! Tests verify session routing works correctly through the full runtime stack:
diff --git a/tests/sqlite_provider_validations.rs b/tests/sqlite_provider_validations.rs
index 649fd29a..e93c41fc 100644
--- a/tests/sqlite_provider_validations.rs
+++ b/tests/sqlite_provider_validations.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Provider validation tests for SQLite
 //!
 //! This test file validates the SQLite provider using the reusable
diff --git a/tests/sqlite_tests.rs b/tests/sqlite_tests.rs
index b9ef01a8..42b15b59 100644
--- a/tests/sqlite_tests.rs
+++ b/tests/sqlite_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
 #![allow(clippy::expect_used)]
diff --git a/tests/system_calls_test.rs b/tests/system_calls_test.rs
index 3806b73d..d85b6f4c 100644
--- a/tests/system_calls_test.rs
+++ b/tests/system_calls_test.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
 #![allow(clippy::expect_used)]
diff --git a/tests/tag_serde_tests.rs b/tests/tag_serde_tests.rs
index 236bdcd1..96f3f781 100644
--- a/tests/tag_serde_tests.rs
+++ b/tests/tag_serde_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
 #![allow(clippy::expect_used)]
diff --git a/tests/timer_tests.rs b/tests/timer_tests.rs
index 1a7f49ff..767d50a5 100644
--- a/tests/timer_tests.rs
+++ b/tests/timer_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
 #![allow(clippy::expect_used)]
diff --git a/tests/typed_composability_tests.rs b/tests/typed_composability_tests.rs
index 0f706cfc..c63bc0cd 100644
--- a/tests/typed_composability_tests.rs
+++ b/tests/typed_composability_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 //! Tests verifying that `_typed()` schedule methods return `DurableFuture` and
 //! compose correctly with `ctx.join()`, `ctx.select2()`, and `DurableFuture::map()`.
 //!
diff --git a/tests/unit_tests.rs b/tests/unit_tests.rs
index 3e724b29..7e639b5e 100644
--- a/tests/unit_tests.rs
+++ b/tests/unit_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
 #![allow(clippy::expect_used)]
diff --git a/tests/unregistered_backoff_tests.rs b/tests/unregistered_backoff_tests.rs
index d2d755be..b472820e 100644
--- a/tests/unregistered_backoff_tests.rs
+++ b/tests/unregistered_backoff_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
 #![allow(clippy::expect_used)]
diff --git a/tests/versioning_tests.rs b/tests/versioning_tests.rs
index 56e66db4..3dd4ae0d 100644
--- a/tests/versioning_tests.rs
+++ b/tests/versioning_tests.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
 #![allow(clippy::expect_used)]
diff --git a/tests/worker_reliability_test.rs b/tests/worker_reliability_test.rs
index e814d7a0..b04dc909 100644
--- a/tests/worker_reliability_test.rs
+++ b/tests/worker_reliability_test.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 #![allow(clippy::unwrap_used)]
 #![allow(clippy::clone_on_ref_ptr)]
 #![allow(clippy::expect_used)]