add trlc ai validator

.bazelrc

@@ -11,3 +11,6 @@ build --java_language_version=17
 build --tool_java_language_version=17
 build --java_runtime_version=remotejdk_17
 build --tool_java_runtime_version=remotejdk_17
+
+# Import AI checker custom configuration
+try-import %workspace%/.bazelrc.ai_checker

.bazelrc.ai_checker

@@ -0,0 +1,25 @@
+###############################################################################
+## GitHub Copilot SDK - Environment (config:copilot)
+###############################################################################
+# The Copilot CLI needs HOME (for stored OAuth credentials) and proxy vars
+# (to reach api.github.com behind a corporate proxy).
+#
+# These are scoped to --config=copilot so they don't affect other builds.
+# The AI checker BUILD target applies this config automatically via a
+# test --config=copilot line below.
+#
+# Auth docs: https://github.com/github/copilot-sdk/blob/main/docs/auth/index.md
+
+# Auth
+build:copilot --action_env=HOME
+build:copilot --action_env=COPILOT_GITHUB_TOKEN
+build:copilot --action_env=GH_TOKEN
+build:copilot --action_env=GITHUB_TOKEN
+
+# Proxy (Node.js checks both upper and lowercase)
+build:copilot --action_env=HTTP_PROXY
+build:copilot --action_env=HTTPS_PROXY
+build:copilot --action_env=NO_PROXY
+build:copilot --action_env=http_proxy
+build:copilot --action_env=https_proxy
+build:copilot --action_env=no_proxy

MODULE.bazel

@@ -229,3 +229,26 @@ git_override(
     commit = "56881461f9d3fde2918d1731aa5937aaf64cd67c",
     remote = "https://github.com/bmw-software-engineering/lobster.git",
 )
+
+###############################################################################
+# Dependencies for AI Checker
+###############################################################################
+
+# Make the copilot CLI binary executable (rules_python strips +x from wheels)
+pip.whl_mods(
+    copy_executables = {"site-packages/copilot/bin/copilot": "copilot_cli"},
+    hub_name = "ai_checker_whl_mods",
+    whl_name = "github_copilot_sdk",
+)
+use_repo(pip, "ai_checker_whl_mods")
+
+# Core + LangChain + GitHub Copilot SDK dependencies
+pip.parse(
+    hub_name = "pip_ai_checker",
+    python_version = PYTHON_VERSION,
+    requirements_lock = "//validation/ai_checker:requirements.txt",
+    whl_modifications = {
+        "@ai_checker_whl_mods//:github_copilot_sdk.json": "github-copilot-sdk",
+    },
+)
+use_repo(pip, "pip_ai_checker")

defs.bzl

@@ -38,6 +38,13 @@ load(
 # --- starpls ---
 load("//starpls:starpls.bzl", _setup_starpls = "setup_starpls")
 
+# --- ai_checker ---
+load(
+    "//validation/ai_checker:ai_checker.bzl",
+    _architecture_ai_test = "architecture_ai_test",
+    _trlc_requirements_ai_test = "trlc_requirements_ai_test",
+)
+
 score_virtualenv = _score_virtualenv
 score_py_pytest = _score_py_pytest
 dash_license_checker = _dash_license_checker
@@ -46,3 +53,5 @@ cli_helper = _cli_helper
 use_format_targets = _use_format_targets
 setup_starpls = _setup_starpls
 rust_coverage_report = _rust_coverage_report
+trlc_requirements_ai_test = _trlc_requirements_ai_test
+architecture_ai_test = _architecture_ai_test

validation/ai_checker/BUILD

@@ -0,0 +1,78 @@
+# *******************************************************************************
+# Copyright (c) 2026 Contributors to the Eclipse Foundation
+#
+# See the NOTICE file(s) distributed with this work for additional
+# information regarding copyright ownership.
+#
+# This program and the accompanying materials are made available under the
+# terms of the Apache License Version 2.0 which is available at
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# SPDX-License-Identifier: Apache-2.0
+# *******************************************************************************
+load("@pip_ai_checker//:requirements.bzl", "requirement")
+load("@rules_python//python:pip.bzl", "compile_pip_requirements")
+
+exports_files(
+    ["src/ai_checker/orchestrator.py"],
+    visibility = ["//visibility:public"],
+)
+
+# Default requirements engineering guidelines
+filegroup(
+    name = "default_guidelines",
+    srcs = glob(["guidelines/*.md"]),
+    visibility = ["//visibility:public"],
+)
+
+# Core AI checker library (analysis framework)
+py_library(
+    name = "ai_checker_core",
+    srcs = glob(["src/ai_checker/*.py"]),
+    imports = ["src"],
+    visibility = ["//visibility:public"],
+    deps = [
+        "@trlc//trlc",
+        requirement("bigtree"),
+        requirement("pydantic"),
+        requirement("pydot"),
+        requirement("pyyaml"),
+    ],
+)
+
+# LangChain adapter for GitHub Copilot SDK
+py_library(
+    name = "copilot_langchain",
+    srcs = [
+        "src/copilot_adapter/__init__.py",
+        "src/copilot_adapter/copilot_langchain.py",
+    ],
+    imports = ["src"],
+    visibility = ["//visibility:public"],
+    deps = [
+        requirement("langchain-core"),
+        requirement("github-copilot-sdk"),
+        requirement("pydantic"),
+    ],
+)
+
+# Default orchestrator (uses GitHub Copilot SDK as default AI backend)
+py_binary(
+    name = "orchestrator",
+    srcs = ["src/ai_checker/orchestrator.py"],
+    imports = ["src"],
+    main = "src/ai_checker/orchestrator.py",
+    visibility = ["//visibility:public"],
+    deps = [
+        ":ai_checker_core",
+        ":copilot_langchain",
+        requirement("langchain-core"),
+    ],
+)
+
+# Run: bazel run //validation/ai_checker:requirements.update
+compile_pip_requirements(
+    name = "requirements",
+    src = "requirements.txt.in",
+    requirements_txt = "requirements.txt",
+)