added test cases for launch processes and conditional launching

[Saumya-R]

This branch introduces lifecycle integration coverage for Launching Processes and Conditional Launching using a real launch_manager daemon setup, updates test infrastructure to reduce false negatives, and refreshes documentation/roadmap artifacts.

Requirement ID	Coverage in this PR	Verification level
feat_req__lifecycle__waitfor_support	Covered by daemon-backed conditional startup checks that wait for supervised process readiness in both lifecycle test classes.	Partially verifies (automated integration, daemon-backed)
feat_req__lifecycle__cond_process_start	Covered by conditional process startup assertions using real Launch Manager behavior (not stub-only checks).	Partially verifies (automated integration, daemon-backed)
feat_req__lifecycle__dependency_check	Covered by dependency-gated startup assertions and config dependency declaration checks for rust depending on cpp.	Partially verifies (automated integration, daemon-backed)
feat_req__lifecycle__process_ordering	Covered by launch ordering validation using process start ticks from /proc to assert dependency-respecting order.	Partially verifies (automated integration, daemon-backed)
feat_req__lifecycle__launch_support	Covered by startup launch validation that supervised apps are launched under Startup run target.	Partially verifies (automated integration, daemon-backed)
feat_req__lifecycle__monitor_abnormal_term	Covered by forced termination and restart/recovery behavior checks for supervised apps.	Partially verifies (automated integration, daemon-backed)
feat_req__lifecycle__liveliness_detection	Covered by manual watchdog flow that stalls process and validates watchdog/liveliness failure diagnostics.	Partially verifies (manual integration, daemon-backed)
feat_req__lifecycle__smart_watchdog_config	Covered by manual watchdog assertions for supervision timeout/failure transitions.	Partially verifies (manual integration, daemon-backed)

[github-actions]

The created documentation from the pull request is available at: docu-html

[Copilot]

Pull request overview

This PR adds a new Lifecycle “conditional launching” feature-integration test scenario and a Python FIT suite that runs it against both the Rust and C++ scenario runners. It also introduces a Rust “lifecycle-only” Bazel binary variant intended to avoid pulling in persistency-related dependencies for this specific suite, and updates test harness/configuration to support selective scenario builds.

Changes:

• Added Lifecycle conditional-launching scenarios to the Rust and C++ FIT scenario trees.
• Added a Python requirements-based FIT suite for conditional launching (parametrized for Rust/C++) plus a shared lifecycle base scenario fixture.
• Added a Rust lifecycle-only Bazel scenario binary and updated FIT build selection/docs.

Reviewed changes

Copilot reviewed 14 out of 14 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
pyproject.toml	Updates pytest configuration section to tool.pytest.ini_options.
feature_integration_tests/test_scenarios/rust/src/scenarios/mod.rs	Registers the new lifecycle scenario group in the Rust scenario tree.
feature_integration_tests/test_scenarios/rust/src/scenarios/lifecycle/mod.rs	Adds a lifecycle scenario group (Rust).
feature_integration_tests/test_scenarios/rust/src/scenarios/lifecycle/conditional_launching.rs	Implements the Rust conditional-launching scenario input validation/logging.
feature_integration_tests/test_scenarios/rust/src/main.rs	Adds lifecycle_only compilation mode and a reduced root group for lifecycle-only builds.
feature_integration_tests/test_scenarios/rust/BUILD	Adds rust_lifecycle_test_scenarios Bazel target using --cfg=lifecycle_only.
feature_integration_tests/test_scenarios/cpp/src/scenarios/mod.cpp	Registers a lifecycle scenario group (C++).
feature_integration_tests/test_scenarios/cpp/src/scenarios/lifecycle/conditional_launching.h	Declares the C++ conditional-launching scenario factory.
feature_integration_tests/test_scenarios/cpp/src/scenarios/lifecycle/conditional_launching.cpp	Implements the C++ conditional-launching scenario parsing/logging.
feature_integration_tests/test_cases/tests/lifecycle/test_conditional_launching.py	Adds Python FIT assertions for lifecycle conditional launching (Rust/C++).
feature_integration_tests/test_cases/lifecycle_scenario.py	Introduces a shared LifecycleScenario base class with a common temp_dir fixture.
feature_integration_tests/test_cases/conftest.py	Skips building unselected scenario variants based on the pytest mark expression.
feature_integration_tests/test_cases/BUILD	Adds lifecycle_scenario.py to FIT runfiles.
feature_integration_tests/README.md	Documents running lifecycle conditional-launching FITs and the lifecycle-only Rust target.

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