From 6b6a952214733eaa7e692bb7bdabde01136a6aff Mon Sep 17 00:00:00 2001
From: Manasjyoti Sharma <manas@fortifyroot.com>
Date: Tue, 2 Jun 2026 21:49:34 +0530
Subject: [PATCH] chore(fr): enforce modification notices and guard bedrock
 optional deps

---
 .github/workflows/fr-pr.yaml                  |  21 +-
 .../instrumentation/alephalpha/__init__.py    |   4 +
 .../pyproject.toml                            |   4 +
 .../instrumentation/anthropic/__init__.py     |   4 +
 .../instrumentation/anthropic/streaming.py    |   4 +
 .../instrumentation/anthropic/utils.py        |   4 +
 .../pyproject.toml                            |   4 +
 .../tests/conftest.py                         |   4 +
 .../tests/utils.py                            |   4 +
 .../instrumentation/bedrock/__init__.py       |   4 +
 .../instrumentation/bedrock/guardrail.py      |   4 +
 .../instrumentation/bedrock/span_utils.py     |  10 +-
 .../bedrock/streaming_wrapper.py              |   4 +
 .../pyproject.toml                            |   4 +
 .../test_bedrock_guardrails_metrics.py        |   4 +
 .../tests/metrics/test_bedrock_metrics.py     |   4 +
 .../tests/test_optional_dependencies.py       |  27 +++
 .../tests/traces/test_anthropic.py            |   4 +
 .../instrumentation/cohere/__init__.py        |   4 +
 .../instrumentation/cohere/streaming.py       |   4 +
 .../pyproject.toml                            |   4 +
 .../google_generativeai/__init__.py           |   4 +
 .../google_generativeai/config.py             |   4 +
 .../google_generativeai/span_utils.py         |   4 +
 .../pyproject.toml                            |   4 +
 .../tests/conftest.py                         |   4 +
 .../tests/test_generate_content.py            |   4 +
 .../instrumentation/groq/__init__.py          |   4 +
 .../pyproject.toml                            |   4 +
 .../pyproject.toml                            |   4 +
 .../tests/test_query.py                       |   4 +
 .../instrumentation/langchain/__init__.py     |   4 +
 .../langchain/callback_handler.py             |   4 +
 .../instrumentation/langchain/span_utils.py   |   4 +
 .../pyproject.toml                            |   4 +
 .../tests/conftest.py                         |   4 +
 .../instrumentation/llamaindex/__init__.py    |   4 +
 .../llamaindex/dispatcher_wrapper.py          |   4 +
 .../instrumentation/llamaindex/span_utils.py  |   4 +
 .../pyproject.toml                            |   4 +
 .../instrumentation/mistralai/__init__.py     |   4 +
 .../pyproject.toml                            |   4 +
 .../instrumentation/ollama/__init__.py        |   4 +
 .../pyproject.toml                            |   4 +
 .../pyproject.toml                            |   4 +
 .../instrumentation/openai/shared/__init__.py |   4 +
 .../openai/shared/chat_wrappers.py            |   4 +
 .../openai/shared/completion_wrappers.py      |   4 +
 .../instrumentation/openai/shared/config.py   |   4 +
 .../instrumentation/openai/utils.py           |   4 +
 .../instrumentation/openai/v0/__init__.py     |   4 +
 .../instrumentation/openai/v1/__init__.py     |   4 +
 .../openai/v1/assistant_wrappers.py           |   4 +
 .../openai/v1/event_handler_wrapper.py        |   4 +
 .../openai/v1/realtime_wrappers.py            |   4 +
 .../openai/v1/responses_wrappers.py           |   4 +
 .../pyproject.toml                            |   4 +
 .../tests/conftest.py                         |   4 +
 .../tests/metrics/test_openai_metrics.py      |   4 +
 .../tests/traces/test_azure.py                |   4 +
 .../tests/traces/test_chat.py                 |   4 +
 .../tests/traces/test_chat_parse.py           |   4 +
 .../tests/traces/test_completions.py          |   4 +
 .../tests/traces/test_embeddings.py           |   4 +
 .../tests/traces/test_responses.py            |   4 +
 .../tests/traces/utils.py                     |   4 +
 .../instrumentation/replicate/__init__.py     |   4 +
 .../pyproject.toml                            |   4 +
 .../instrumentation/sagemaker/__init__.py     |   4 +
 .../pyproject.toml                            |   4 +
 .../instrumentation/together/__init__.py      |   4 +
 .../pyproject.toml                            |   4 +
 .../text_generation_pipeline_wrapper.py       |   4 +
 .../pyproject.toml                            |   4 +
 .../instrumentation/vertexai/__init__.py      |   4 +
 .../instrumentation/vertexai/config.py        |   4 +
 .../pyproject.toml                            |   4 +
 .../instrumentation/watsonx/__init__.py       |   4 +
 .../pyproject.toml                            |   4 +
 .../instrumentation/writer/__init__.py        |   4 +
 .../pyproject.toml                            |   4 +
 packages/sample-app/pyproject.toml            |   4 +
 packages/traceloop-sdk/pyproject.toml         |   4 +
 packages/traceloop-sdk/tests/conftest.py      |   4 +
 .../tests/test_association_properties.py      |   4 +
 .../traceloop-sdk/tests/test_associations.py  |   4 +
 .../tests/test_privacy_no_prompts.py          |   4 +
 .../tests/test_prompt_management.py           |   4 +
 .../tests/test_sdk_initialization.py          |   4 +
 .../traceloop-sdk/tests/test_workflows.py     |   4 +
 .../traceloop/sdk/instruments.py              |   4 +
 .../traceloop/sdk/logging/logging.py          |   4 +
 .../traceloop/sdk/metrics/metrics.py          |   4 +
 .../traceloop/sdk/tracing/tracing.py          |  23 +-
 scripts/apply-fr-modification-notices.py      | 214 ++++++++++++++++++
 scripts/test-apply-fr-modification-notices.py | 138 +++++++++++
 96 files changed, 778 insertions(+), 15 deletions(-)
 create mode 100644 packages/opentelemetry-instrumentation-bedrock/tests/test_optional_dependencies.py
 create mode 100755 scripts/apply-fr-modification-notices.py
 create mode 100644 scripts/test-apply-fr-modification-notices.py

diff --git a/.github/workflows/fr-pr.yaml b/.github/workflows/fr-pr.yaml
index 9d1dbe7369..aec75d2964 100644
--- a/.github/workflows/fr-pr.yaml
+++ b/.github/workflows/fr-pr.yaml
@@ -41,8 +41,25 @@ jobs:
 
           echo "No hardcoded secrets or credentials detected."
 
-  fr-tests:
+  fr-modification-notices:
     needs: secret-scan
+    name: FR Modification Notice Check
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          ref: ${{ github.event.pull_request.head.sha }}
+
+      - name: Run notice script unit tests
+        run: python3 ./scripts/test-apply-fr-modification-notices.py
+
+      - name: Check modified-file notices
+        run: python3 ./scripts/apply-fr-modification-notices.py --check --base-ref "${{ github.base_ref }}"
+
+  fr-tests:
+    needs: [secret-scan, fr-modification-notices]
     name: FR Tests (py${{ matrix.python-version }})
     runs-on: ubuntu-latest
     timeout-minutes: 45
@@ -80,7 +97,7 @@ jobs:
           if-no-files-found: ignore
 
   non-fr-tests:
-    needs: secret-scan
+    needs: [secret-scan, fr-modification-notices]
     name: Non-FR Tests (py${{ matrix.python-version }})
     runs-on: ubuntu-latest
     timeout-minutes: 60
diff --git a/packages/opentelemetry-instrumentation-alephalpha/opentelemetry/instrumentation/alephalpha/__init__.py b/packages/opentelemetry-instrumentation-alephalpha/opentelemetry/instrumentation/alephalpha/__init__.py
index 32f560e03f..bdcb779ab6 100644
--- a/packages/opentelemetry-instrumentation-alephalpha/opentelemetry/instrumentation/alephalpha/__init__.py
+++ b/packages/opentelemetry-instrumentation-alephalpha/opentelemetry/instrumentation/alephalpha/__init__.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 """OpenTelemetry Aleph Alpha instrumentation"""
 
 import logging
diff --git a/packages/opentelemetry-instrumentation-alephalpha/pyproject.toml b/packages/opentelemetry-instrumentation-alephalpha/pyproject.toml
index 352b94f64a..15f4371173 100644
--- a/packages/opentelemetry-instrumentation-alephalpha/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-alephalpha/pyproject.toml
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 [project]
 name = "opentelemetry-instrumentation-alephalpha"
 version = "0.52.6"
diff --git a/packages/opentelemetry-instrumentation-anthropic/opentelemetry/instrumentation/anthropic/__init__.py b/packages/opentelemetry-instrumentation-anthropic/opentelemetry/instrumentation/anthropic/__init__.py
index e1c77e9f63..6269354785 100644
--- a/packages/opentelemetry-instrumentation-anthropic/opentelemetry/instrumentation/anthropic/__init__.py
+++ b/packages/opentelemetry-instrumentation-anthropic/opentelemetry/instrumentation/anthropic/__init__.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 """OpenTelemetry Anthropic instrumentation"""
 
 import asyncio  # FR: async safety
diff --git a/packages/opentelemetry-instrumentation-anthropic/opentelemetry/instrumentation/anthropic/streaming.py b/packages/opentelemetry-instrumentation-anthropic/opentelemetry/instrumentation/anthropic/streaming.py
index 045e589b0f..9aba00bed1 100644
--- a/packages/opentelemetry-instrumentation-anthropic/opentelemetry/instrumentation/anthropic/streaming.py
+++ b/packages/opentelemetry-instrumentation-anthropic/opentelemetry/instrumentation/anthropic/streaming.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import logging
 import time
 from typing import Optional
diff --git a/packages/opentelemetry-instrumentation-anthropic/opentelemetry/instrumentation/anthropic/utils.py b/packages/opentelemetry-instrumentation-anthropic/opentelemetry/instrumentation/anthropic/utils.py
index 81b1cb3f8c..eae4e6dc36 100644
--- a/packages/opentelemetry-instrumentation-anthropic/opentelemetry/instrumentation/anthropic/utils.py
+++ b/packages/opentelemetry-instrumentation-anthropic/opentelemetry/instrumentation/anthropic/utils.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import asyncio
 import json
 import logging
diff --git a/packages/opentelemetry-instrumentation-anthropic/pyproject.toml b/packages/opentelemetry-instrumentation-anthropic/pyproject.toml
index 9be0f51598..895a83c673 100644
--- a/packages/opentelemetry-instrumentation-anthropic/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-anthropic/pyproject.toml
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 [project]
 name = "opentelemetry-instrumentation-anthropic"
 version = "0.52.6"
diff --git a/packages/opentelemetry-instrumentation-anthropic/tests/conftest.py b/packages/opentelemetry-instrumentation-anthropic/tests/conftest.py
index e9a13450e2..b08e58a8a3 100644
--- a/packages/opentelemetry-instrumentation-anthropic/tests/conftest.py
+++ b/packages/opentelemetry-instrumentation-anthropic/tests/conftest.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 """Unit tests configuration module."""
 
 import os
diff --git a/packages/opentelemetry-instrumentation-anthropic/tests/utils.py b/packages/opentelemetry-instrumentation-anthropic/tests/utils.py
index 1d53496fe4..d3c8620035 100644
--- a/packages/opentelemetry-instrumentation-anthropic/tests/utils.py
+++ b/packages/opentelemetry-instrumentation-anthropic/tests/utils.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 from opentelemetry.semconv._incubating.attributes import (
     gen_ai_attributes as GenAIAttributes,
 )
diff --git a/packages/opentelemetry-instrumentation-bedrock/opentelemetry/instrumentation/bedrock/__init__.py b/packages/opentelemetry-instrumentation-bedrock/opentelemetry/instrumentation/bedrock/__init__.py
index 3a60d38297..0468a09641 100644
--- a/packages/opentelemetry-instrumentation-bedrock/opentelemetry/instrumentation/bedrock/__init__.py
+++ b/packages/opentelemetry-instrumentation-bedrock/opentelemetry/instrumentation/bedrock/__init__.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 """OpenTelemetry Bedrock instrumentation"""
 
 import json
diff --git a/packages/opentelemetry-instrumentation-bedrock/opentelemetry/instrumentation/bedrock/guardrail.py b/packages/opentelemetry-instrumentation-bedrock/opentelemetry/instrumentation/bedrock/guardrail.py
index 1f566561b1..d5df6c359e 100644
--- a/packages/opentelemetry-instrumentation-bedrock/opentelemetry/instrumentation/bedrock/guardrail.py
+++ b/packages/opentelemetry-instrumentation-bedrock/opentelemetry/instrumentation/bedrock/guardrail.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 from enum import Enum
 from opentelemetry.semconv._incubating.attributes import (
     gen_ai_attributes as GenAIAttributes,
diff --git a/packages/opentelemetry-instrumentation-bedrock/opentelemetry/instrumentation/bedrock/span_utils.py b/packages/opentelemetry-instrumentation-bedrock/opentelemetry/instrumentation/bedrock/span_utils.py
index fd029941be..6d3abedf4e 100644
--- a/packages/opentelemetry-instrumentation-bedrock/opentelemetry/instrumentation/bedrock/span_utils.py
+++ b/packages/opentelemetry-instrumentation-bedrock/opentelemetry/instrumentation/bedrock/span_utils.py
@@ -1,7 +1,11 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import json
+import logging
 import time
 
-import anthropic
 from opentelemetry.instrumentation.bedrock.config import Config
 from opentelemetry.instrumentation.bedrock.utils import should_send_prompts
 from opentelemetry.semconv._incubating.attributes import (
@@ -325,9 +329,10 @@ def _count_anthropic_tokens(messages: list[str]):
     # Lazy initialization of the Anthropic client
     if anthropic_client is None:
         try:
+            import anthropic
+
             anthropic_client = anthropic.Anthropic()
         except Exception as e:
-            import logging
             logger = logging.getLogger(__name__)
             logger.debug(f"Failed to initialize Anthropic client for token counting: {e}")
             # Return 0 if we can't create the client
@@ -338,7 +343,6 @@ def _count_anthropic_tokens(messages: list[str]):
         for message in messages:
             count += anthropic_client.count_tokens(text=message)
     except Exception as e:
-        import logging
         logger = logging.getLogger(__name__)
         logger.debug(f"Failed to count tokens with Anthropic client: {e}")
         return 0
diff --git a/packages/opentelemetry-instrumentation-bedrock/opentelemetry/instrumentation/bedrock/streaming_wrapper.py b/packages/opentelemetry-instrumentation-bedrock/opentelemetry/instrumentation/bedrock/streaming_wrapper.py
index 154b2af202..bf90c47681 100644
--- a/packages/opentelemetry-instrumentation-bedrock/opentelemetry/instrumentation/bedrock/streaming_wrapper.py
+++ b/packages/opentelemetry-instrumentation-bedrock/opentelemetry/instrumentation/bedrock/streaming_wrapper.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import json
 
 from opentelemetry.instrumentation.bedrock.utils import (
diff --git a/packages/opentelemetry-instrumentation-bedrock/pyproject.toml b/packages/opentelemetry-instrumentation-bedrock/pyproject.toml
index 87db86d388..6018298dc1 100644
--- a/packages/opentelemetry-instrumentation-bedrock/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-bedrock/pyproject.toml
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 [project]
 name = "opentelemetry-instrumentation-bedrock"
 version = "0.52.6"
diff --git a/packages/opentelemetry-instrumentation-bedrock/tests/metrics/test_bedrock_guardrails_metrics.py b/packages/opentelemetry-instrumentation-bedrock/tests/metrics/test_bedrock_guardrails_metrics.py
index 3e94b08be7..874f6b9e37 100644
--- a/packages/opentelemetry-instrumentation-bedrock/tests/metrics/test_bedrock_guardrails_metrics.py
+++ b/packages/opentelemetry-instrumentation-bedrock/tests/metrics/test_bedrock_guardrails_metrics.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import json
 
 import pytest
diff --git a/packages/opentelemetry-instrumentation-bedrock/tests/metrics/test_bedrock_metrics.py b/packages/opentelemetry-instrumentation-bedrock/tests/metrics/test_bedrock_metrics.py
index 5cec4f25c7..1080a505b5 100644
--- a/packages/opentelemetry-instrumentation-bedrock/tests/metrics/test_bedrock_metrics.py
+++ b/packages/opentelemetry-instrumentation-bedrock/tests/metrics/test_bedrock_metrics.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import json
 
 import pytest
diff --git a/packages/opentelemetry-instrumentation-bedrock/tests/test_optional_dependencies.py b/packages/opentelemetry-instrumentation-bedrock/tests/test_optional_dependencies.py
new file mode 100644
index 0000000000..92dcc66f72
--- /dev/null
+++ b/packages/opentelemetry-instrumentation-bedrock/tests/test_optional_dependencies.py
@@ -0,0 +1,27 @@
+"""Tests for optional dependency behavior."""
+
+from __future__ import annotations
+
+import builtins
+import importlib
+import sys
+
+
+def test_bedrock_span_utils_import_without_anthropic(monkeypatch):
+    """Bedrock instrumentation import should not require the Anthropic package."""
+    module_name = "opentelemetry.instrumentation.bedrock.span_utils"
+    sys.modules.pop(module_name, None)
+    sys.modules.pop("anthropic", None)
+
+    original_import = builtins.__import__
+
+    def import_without_anthropic(name, *args, **kwargs):
+        if name == "anthropic":
+            raise ModuleNotFoundError("No module named 'anthropic'")
+        return original_import(name, *args, **kwargs)
+
+    monkeypatch.setattr(builtins, "__import__", import_without_anthropic)
+
+    module = importlib.import_module(module_name)
+
+    assert module is not None
diff --git a/packages/opentelemetry-instrumentation-bedrock/tests/traces/test_anthropic.py b/packages/opentelemetry-instrumentation-bedrock/tests/traces/test_anthropic.py
index e0d2316000..795ccbc96e 100644
--- a/packages/opentelemetry-instrumentation-bedrock/tests/traces/test_anthropic.py
+++ b/packages/opentelemetry-instrumentation-bedrock/tests/traces/test_anthropic.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import json
 
 import pytest
diff --git a/packages/opentelemetry-instrumentation-cohere/opentelemetry/instrumentation/cohere/__init__.py b/packages/opentelemetry-instrumentation-cohere/opentelemetry/instrumentation/cohere/__init__.py
index cdd7b239c0..2e345a484a 100644
--- a/packages/opentelemetry-instrumentation-cohere/opentelemetry/instrumentation/cohere/__init__.py
+++ b/packages/opentelemetry-instrumentation-cohere/opentelemetry/instrumentation/cohere/__init__.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 """OpenTelemetry Cohere instrumentation"""
 
 import asyncio  # FR: async safety
diff --git a/packages/opentelemetry-instrumentation-cohere/opentelemetry/instrumentation/cohere/streaming.py b/packages/opentelemetry-instrumentation-cohere/opentelemetry/instrumentation/cohere/streaming.py
index dba57201a2..74ff309552 100644
--- a/packages/opentelemetry-instrumentation-cohere/opentelemetry/instrumentation/cohere/streaming.py
+++ b/packages/opentelemetry-instrumentation-cohere/opentelemetry/instrumentation/cohere/streaming.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import copy  # FR: needed for deepcopy fix
 
 from opentelemetry.instrumentation.cohere.event_emitter import emit_response_events
diff --git a/packages/opentelemetry-instrumentation-cohere/pyproject.toml b/packages/opentelemetry-instrumentation-cohere/pyproject.toml
index 801889eb00..bb94499036 100644
--- a/packages/opentelemetry-instrumentation-cohere/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-cohere/pyproject.toml
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 [project]
 name = "opentelemetry-instrumentation-cohere"
 version = "0.52.6"
diff --git a/packages/opentelemetry-instrumentation-google-generativeai/opentelemetry/instrumentation/google_generativeai/__init__.py b/packages/opentelemetry-instrumentation-google-generativeai/opentelemetry/instrumentation/google_generativeai/__init__.py
index 21bff41a23..c6b84e7814 100644
--- a/packages/opentelemetry-instrumentation-google-generativeai/opentelemetry/instrumentation/google_generativeai/__init__.py
+++ b/packages/opentelemetry-instrumentation-google-generativeai/opentelemetry/instrumentation/google_generativeai/__init__.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 """OpenTelemetry Google Generative AI API instrumentation"""
 
 import asyncio  # FR: async safety
diff --git a/packages/opentelemetry-instrumentation-google-generativeai/opentelemetry/instrumentation/google_generativeai/config.py b/packages/opentelemetry-instrumentation-google-generativeai/opentelemetry/instrumentation/google_generativeai/config.py
index f2bdc056f5..986f97b572 100644
--- a/packages/opentelemetry-instrumentation-google-generativeai/opentelemetry/instrumentation/google_generativeai/config.py
+++ b/packages/opentelemetry-instrumentation-google-generativeai/opentelemetry/instrumentation/google_generativeai/config.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 from typing import Callable, Optional
 
 
diff --git a/packages/opentelemetry-instrumentation-google-generativeai/opentelemetry/instrumentation/google_generativeai/span_utils.py b/packages/opentelemetry-instrumentation-google-generativeai/opentelemetry/instrumentation/google_generativeai/span_utils.py
index e904035eaf..f7bcd79527 100644
--- a/packages/opentelemetry-instrumentation-google-generativeai/opentelemetry/instrumentation/google_generativeai/span_utils.py
+++ b/packages/opentelemetry-instrumentation-google-generativeai/opentelemetry/instrumentation/google_generativeai/span_utils.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import json
 import base64
 import logging
diff --git a/packages/opentelemetry-instrumentation-google-generativeai/pyproject.toml b/packages/opentelemetry-instrumentation-google-generativeai/pyproject.toml
index b4aee66e27..7676dbc74b 100644
--- a/packages/opentelemetry-instrumentation-google-generativeai/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-google-generativeai/pyproject.toml
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 [project]
 name = "opentelemetry-instrumentation-google-generativeai"
 version = "0.52.6"
diff --git a/packages/opentelemetry-instrumentation-google-generativeai/tests/conftest.py b/packages/opentelemetry-instrumentation-google-generativeai/tests/conftest.py
index 0e3fccf745..9cd8b8e02f 100644
--- a/packages/opentelemetry-instrumentation-google-generativeai/tests/conftest.py
+++ b/packages/opentelemetry-instrumentation-google-generativeai/tests/conftest.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 """Unit tests configuration module."""
 
 import os
diff --git a/packages/opentelemetry-instrumentation-google-generativeai/tests/test_generate_content.py b/packages/opentelemetry-instrumentation-google-generativeai/tests/test_generate_content.py
index 4801c29d56..aaca006e3a 100644
--- a/packages/opentelemetry-instrumentation-google-generativeai/tests/test_generate_content.py
+++ b/packages/opentelemetry-instrumentation-google-generativeai/tests/test_generate_content.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 
 import pytest
 from opentelemetry.trace import StatusCode, SpanKind
diff --git a/packages/opentelemetry-instrumentation-groq/opentelemetry/instrumentation/groq/__init__.py b/packages/opentelemetry-instrumentation-groq/opentelemetry/instrumentation/groq/__init__.py
index 57033d7b20..d571112f75 100644
--- a/packages/opentelemetry-instrumentation-groq/opentelemetry/instrumentation/groq/__init__.py
+++ b/packages/opentelemetry-instrumentation-groq/opentelemetry/instrumentation/groq/__init__.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 """OpenTelemetry Groq instrumentation"""
 
 import asyncio  # FR: async safety
diff --git a/packages/opentelemetry-instrumentation-groq/pyproject.toml b/packages/opentelemetry-instrumentation-groq/pyproject.toml
index 23ff768473..8c113b01db 100644
--- a/packages/opentelemetry-instrumentation-groq/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-groq/pyproject.toml
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 [project]
 name = "opentelemetry-instrumentation-groq"
 version = "0.52.6"
diff --git a/packages/opentelemetry-instrumentation-lancedb/pyproject.toml b/packages/opentelemetry-instrumentation-lancedb/pyproject.toml
index de62634556..fc5e909d5e 100644
--- a/packages/opentelemetry-instrumentation-lancedb/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-lancedb/pyproject.toml
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 [project]
 name = "opentelemetry-instrumentation-lancedb"
 version = "0.52.6"
diff --git a/packages/opentelemetry-instrumentation-lancedb/tests/test_query.py b/packages/opentelemetry-instrumentation-lancedb/tests/test_query.py
index 4a2d95a6dd..611cf2262a 100644
--- a/packages/opentelemetry-instrumentation-lancedb/tests/test_query.py
+++ b/packages/opentelemetry-instrumentation-lancedb/tests/test_query.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import lancedb
 import pytest
 from opentelemetry.semconv_ai import SpanAttributes
diff --git a/packages/opentelemetry-instrumentation-langchain/opentelemetry/instrumentation/langchain/__init__.py b/packages/opentelemetry-instrumentation-langchain/opentelemetry/instrumentation/langchain/__init__.py
index 18a496136a..d5b2050340 100644
--- a/packages/opentelemetry-instrumentation-langchain/opentelemetry/instrumentation/langchain/__init__.py
+++ b/packages/opentelemetry-instrumentation-langchain/opentelemetry/instrumentation/langchain/__init__.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 """OpenTelemetry Langchain instrumentation"""
 
 import inspect
diff --git a/packages/opentelemetry-instrumentation-langchain/opentelemetry/instrumentation/langchain/callback_handler.py b/packages/opentelemetry-instrumentation-langchain/opentelemetry/instrumentation/langchain/callback_handler.py
index 880394b3fc..381c278780 100644
--- a/packages/opentelemetry-instrumentation-langchain/opentelemetry/instrumentation/langchain/callback_handler.py
+++ b/packages/opentelemetry-instrumentation-langchain/opentelemetry/instrumentation/langchain/callback_handler.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import json
 import time
 from typing import Any, Dict, List, Optional, Type, Union
diff --git a/packages/opentelemetry-instrumentation-langchain/opentelemetry/instrumentation/langchain/span_utils.py b/packages/opentelemetry-instrumentation-langchain/opentelemetry/instrumentation/langchain/span_utils.py
index edfd7643fd..4198c974dd 100644
--- a/packages/opentelemetry-instrumentation-langchain/opentelemetry/instrumentation/langchain/span_utils.py
+++ b/packages/opentelemetry-instrumentation-langchain/opentelemetry/instrumentation/langchain/span_utils.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import json
 import time
 from dataclasses import dataclass, field
diff --git a/packages/opentelemetry-instrumentation-langchain/pyproject.toml b/packages/opentelemetry-instrumentation-langchain/pyproject.toml
index f9c39c1ad8..1bfd35642e 100644
--- a/packages/opentelemetry-instrumentation-langchain/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-langchain/pyproject.toml
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 [project]
 name = "opentelemetry-instrumentation-langchain"
 version = "0.52.6"
diff --git a/packages/opentelemetry-instrumentation-langchain/tests/conftest.py b/packages/opentelemetry-instrumentation-langchain/tests/conftest.py
index ca4fc44b18..e8e793089d 100644
--- a/packages/opentelemetry-instrumentation-langchain/tests/conftest.py
+++ b/packages/opentelemetry-instrumentation-langchain/tests/conftest.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 """Unit tests configuration module."""
 
 import os
diff --git a/packages/opentelemetry-instrumentation-llamaindex/opentelemetry/instrumentation/llamaindex/__init__.py b/packages/opentelemetry-instrumentation-llamaindex/opentelemetry/instrumentation/llamaindex/__init__.py
index d4f6b1345e..44430d5f5d 100644
--- a/packages/opentelemetry-instrumentation-llamaindex/opentelemetry/instrumentation/llamaindex/__init__.py
+++ b/packages/opentelemetry-instrumentation-llamaindex/opentelemetry/instrumentation/llamaindex/__init__.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 """OpenTelemetry LlamaIndex instrumentation"""
 
 import logging
diff --git a/packages/opentelemetry-instrumentation-llamaindex/opentelemetry/instrumentation/llamaindex/dispatcher_wrapper.py b/packages/opentelemetry-instrumentation-llamaindex/opentelemetry/instrumentation/llamaindex/dispatcher_wrapper.py
index e21bd81c66..4d0ec24146 100644
--- a/packages/opentelemetry-instrumentation-llamaindex/opentelemetry/instrumentation/llamaindex/dispatcher_wrapper.py
+++ b/packages/opentelemetry-instrumentation-llamaindex/opentelemetry/instrumentation/llamaindex/dispatcher_wrapper.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import inspect
 import json
 import re
diff --git a/packages/opentelemetry-instrumentation-llamaindex/opentelemetry/instrumentation/llamaindex/span_utils.py b/packages/opentelemetry-instrumentation-llamaindex/opentelemetry/instrumentation/llamaindex/span_utils.py
index 329f86db05..0092ab59b2 100644
--- a/packages/opentelemetry-instrumentation-llamaindex/opentelemetry/instrumentation/llamaindex/span_utils.py
+++ b/packages/opentelemetry-instrumentation-llamaindex/opentelemetry/instrumentation/llamaindex/span_utils.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 from llama_index.core.base.llms.types import MessageRole
 from opentelemetry.instrumentation.llamaindex.utils import (
     dont_throw,
diff --git a/packages/opentelemetry-instrumentation-llamaindex/pyproject.toml b/packages/opentelemetry-instrumentation-llamaindex/pyproject.toml
index 6141d6de9b..b9e3711c3e 100644
--- a/packages/opentelemetry-instrumentation-llamaindex/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-llamaindex/pyproject.toml
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 [project]
 name = "opentelemetry-instrumentation-llamaindex"
 version = "0.52.6"
diff --git a/packages/opentelemetry-instrumentation-mistralai/opentelemetry/instrumentation/mistralai/__init__.py b/packages/opentelemetry-instrumentation-mistralai/opentelemetry/instrumentation/mistralai/__init__.py
index 745970b5e6..029fac1f13 100644
--- a/packages/opentelemetry-instrumentation-mistralai/opentelemetry/instrumentation/mistralai/__init__.py
+++ b/packages/opentelemetry-instrumentation-mistralai/opentelemetry/instrumentation/mistralai/__init__.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 """OpenTelemetry Mistral AI instrumentation"""
 
 import asyncio  # FR: async safety
diff --git a/packages/opentelemetry-instrumentation-mistralai/pyproject.toml b/packages/opentelemetry-instrumentation-mistralai/pyproject.toml
index e845d33f8a..691403cc81 100644
--- a/packages/opentelemetry-instrumentation-mistralai/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-mistralai/pyproject.toml
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 [project]
 name = "opentelemetry-instrumentation-mistralai"
 version = "0.52.6"
diff --git a/packages/opentelemetry-instrumentation-ollama/opentelemetry/instrumentation/ollama/__init__.py b/packages/opentelemetry-instrumentation-ollama/opentelemetry/instrumentation/ollama/__init__.py
index 445ab104e1..e05b2b5034 100644
--- a/packages/opentelemetry-instrumentation-ollama/opentelemetry/instrumentation/ollama/__init__.py
+++ b/packages/opentelemetry-instrumentation-ollama/opentelemetry/instrumentation/ollama/__init__.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 """OpenTelemetry Ollama instrumentation"""
 
 import asyncio  # FR: async safety
diff --git a/packages/opentelemetry-instrumentation-ollama/pyproject.toml b/packages/opentelemetry-instrumentation-ollama/pyproject.toml
index 25230ad1ab..c8e64b40d1 100644
--- a/packages/opentelemetry-instrumentation-ollama/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-ollama/pyproject.toml
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 [project]
 name = "opentelemetry-instrumentation-ollama"
 version = "0.52.6"
diff --git a/packages/opentelemetry-instrumentation-openai-agents/pyproject.toml b/packages/opentelemetry-instrumentation-openai-agents/pyproject.toml
index f08079ad91..bf30e4b4c8 100644
--- a/packages/opentelemetry-instrumentation-openai-agents/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-openai-agents/pyproject.toml
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 [project]
 name = "opentelemetry-instrumentation-openai-agents"
 version = "0.52.6"
diff --git a/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/shared/__init__.py b/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/shared/__init__.py
index bfccd8b35f..71aaec8ed1 100644
--- a/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/shared/__init__.py
+++ b/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/shared/__init__.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import json
 import logging
 import types
diff --git a/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/shared/chat_wrappers.py b/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/shared/chat_wrappers.py
index 468d1b31a3..6cd8cc88d6 100644
--- a/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/shared/chat_wrappers.py
+++ b/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/shared/chat_wrappers.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import asyncio  # FR: async safety
 import copy
 import json
diff --git a/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/shared/completion_wrappers.py b/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/shared/completion_wrappers.py
index 74c683d977..4c682b4030 100644
--- a/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/shared/completion_wrappers.py
+++ b/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/shared/completion_wrappers.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import asyncio  # FR: async safety
 import logging
 
diff --git a/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/shared/config.py b/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/shared/config.py
index 8c30171b0d..0a0570d0ec 100644
--- a/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/shared/config.py
+++ b/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/shared/config.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 from typing import Callable, Optional
 
 from opentelemetry._logs import Logger
diff --git a/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/utils.py b/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/utils.py
index ee6eccb5a7..f1c0119b32 100644
--- a/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/utils.py
+++ b/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/utils.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import asyncio
 import logging
 import os
diff --git a/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/v0/__init__.py b/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/v0/__init__.py
index ff7ce4aca1..e3eb1507d1 100644
--- a/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/v0/__init__.py
+++ b/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/v0/__init__.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 from typing import Collection
 
 from opentelemetry._logs import get_logger
diff --git a/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/v1/__init__.py b/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/v1/__init__.py
index f1ad96344e..d6fab7ec3c 100644
--- a/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/v1/__init__.py
+++ b/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/v1/__init__.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 from typing import Collection
 
 from opentelemetry._logs import get_logger
diff --git a/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/v1/assistant_wrappers.py b/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/v1/assistant_wrappers.py
index cade7f1c72..549af3b525 100644
--- a/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/v1/assistant_wrappers.py
+++ b/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/v1/assistant_wrappers.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import logging
 import time
 
diff --git a/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/v1/event_handler_wrapper.py b/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/v1/event_handler_wrapper.py
index a896f72a58..97494b001b 100644
--- a/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/v1/event_handler_wrapper.py
+++ b/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/v1/event_handler_wrapper.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 from opentelemetry.instrumentation.openai.shared import _set_span_attribute
 from opentelemetry.instrumentation.openai.shared.event_emitter import emit_event
 from opentelemetry.instrumentation.openai.shared.event_models import ChoiceEvent
diff --git a/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/v1/realtime_wrappers.py b/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/v1/realtime_wrappers.py
index 6ab0dd36e3..2739d55c74 100644
--- a/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/v1/realtime_wrappers.py
+++ b/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/v1/realtime_wrappers.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 """
 Instrumentation wrappers for OpenAI Realtime API.
 
diff --git a/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/v1/responses_wrappers.py b/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/v1/responses_wrappers.py
index 0039368e32..40d4c861c7 100644
--- a/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/v1/responses_wrappers.py
+++ b/packages/opentelemetry-instrumentation-openai/opentelemetry/instrumentation/openai/v1/responses_wrappers.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import asyncio  # FR: async safety
 import json
 import pydantic
diff --git a/packages/opentelemetry-instrumentation-openai/pyproject.toml b/packages/opentelemetry-instrumentation-openai/pyproject.toml
index dc40d0d13e..c578398a4f 100644
--- a/packages/opentelemetry-instrumentation-openai/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-openai/pyproject.toml
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 [project]
 name = "opentelemetry-instrumentation-openai"
 version = "0.52.6"
diff --git a/packages/opentelemetry-instrumentation-openai/tests/conftest.py b/packages/opentelemetry-instrumentation-openai/tests/conftest.py
index 9f06622ad0..46c53fa9d2 100644
--- a/packages/opentelemetry-instrumentation-openai/tests/conftest.py
+++ b/packages/opentelemetry-instrumentation-openai/tests/conftest.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 """Unit tests configuration module."""
 
 import os
diff --git a/packages/opentelemetry-instrumentation-openai/tests/metrics/test_openai_metrics.py b/packages/opentelemetry-instrumentation-openai/tests/metrics/test_openai_metrics.py
index 1e8c4b4ec5..499729cb8f 100644
--- a/packages/opentelemetry-instrumentation-openai/tests/metrics/test_openai_metrics.py
+++ b/packages/opentelemetry-instrumentation-openai/tests/metrics/test_openai_metrics.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import pytest
 from openai import OpenAI
 from opentelemetry.semconv._incubating.attributes import (
diff --git a/packages/opentelemetry-instrumentation-openai/tests/traces/test_azure.py b/packages/opentelemetry-instrumentation-openai/tests/traces/test_azure.py
index 43eb6ab8b2..0194b7545d 100644
--- a/packages/opentelemetry-instrumentation-openai/tests/traces/test_azure.py
+++ b/packages/opentelemetry-instrumentation-openai/tests/traces/test_azure.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import json
 
 import pytest
diff --git a/packages/opentelemetry-instrumentation-openai/tests/traces/test_chat.py b/packages/opentelemetry-instrumentation-openai/tests/traces/test_chat.py
index 629d15e63c..ef7e8b72dc 100644
--- a/packages/opentelemetry-instrumentation-openai/tests/traces/test_chat.py
+++ b/packages/opentelemetry-instrumentation-openai/tests/traces/test_chat.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import asyncio
 import logging
 from unittest.mock import patch
diff --git a/packages/opentelemetry-instrumentation-openai/tests/traces/test_chat_parse.py b/packages/opentelemetry-instrumentation-openai/tests/traces/test_chat_parse.py
index db936c35df..205c5966ed 100644
--- a/packages/opentelemetry-instrumentation-openai/tests/traces/test_chat_parse.py
+++ b/packages/opentelemetry-instrumentation-openai/tests/traces/test_chat_parse.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import json
 import pytest
 from pydantic import BaseModel
diff --git a/packages/opentelemetry-instrumentation-openai/tests/traces/test_completions.py b/packages/opentelemetry-instrumentation-openai/tests/traces/test_completions.py
index 9c67dfeb2c..67ae15a7e2 100644
--- a/packages/opentelemetry-instrumentation-openai/tests/traces/test_completions.py
+++ b/packages/opentelemetry-instrumentation-openai/tests/traces/test_completions.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 from unittest.mock import patch
 
 import httpx
diff --git a/packages/opentelemetry-instrumentation-openai/tests/traces/test_embeddings.py b/packages/opentelemetry-instrumentation-openai/tests/traces/test_embeddings.py
index 9932982a59..931d153506 100644
--- a/packages/opentelemetry-instrumentation-openai/tests/traces/test_embeddings.py
+++ b/packages/opentelemetry-instrumentation-openai/tests/traces/test_embeddings.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 from unittest.mock import patch
 
 import httpx
diff --git a/packages/opentelemetry-instrumentation-openai/tests/traces/test_responses.py b/packages/opentelemetry-instrumentation-openai/tests/traces/test_responses.py
index 3e758ed8b1..702f688aca 100644
--- a/packages/opentelemetry-instrumentation-openai/tests/traces/test_responses.py
+++ b/packages/opentelemetry-instrumentation-openai/tests/traces/test_responses.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import pytest
 
 from openai import AsyncOpenAI, OpenAI
diff --git a/packages/opentelemetry-instrumentation-openai/tests/traces/utils.py b/packages/opentelemetry-instrumentation-openai/tests/traces/utils.py
index b370174d46..e8aa873bed 100644
--- a/packages/opentelemetry-instrumentation-openai/tests/traces/utils.py
+++ b/packages/opentelemetry-instrumentation-openai/tests/traces/utils.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import httpx
 from opentelemetry.sdk.trace import Span
 from opentelemetry.trace import StatusCode
diff --git a/packages/opentelemetry-instrumentation-replicate/opentelemetry/instrumentation/replicate/__init__.py b/packages/opentelemetry-instrumentation-replicate/opentelemetry/instrumentation/replicate/__init__.py
index e901760f54..b841a0d4f8 100644
--- a/packages/opentelemetry-instrumentation-replicate/opentelemetry/instrumentation/replicate/__init__.py
+++ b/packages/opentelemetry-instrumentation-replicate/opentelemetry/instrumentation/replicate/__init__.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 """OpenTelemetry Replicate instrumentation"""
 
 import logging
diff --git a/packages/opentelemetry-instrumentation-replicate/pyproject.toml b/packages/opentelemetry-instrumentation-replicate/pyproject.toml
index ff7d731541..80728b2984 100644
--- a/packages/opentelemetry-instrumentation-replicate/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-replicate/pyproject.toml
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 [project]
 name = "opentelemetry-instrumentation-replicate"
 version = "0.52.6"
diff --git a/packages/opentelemetry-instrumentation-sagemaker/opentelemetry/instrumentation/sagemaker/__init__.py b/packages/opentelemetry-instrumentation-sagemaker/opentelemetry/instrumentation/sagemaker/__init__.py
index b1ef721555..aa66ba4260 100644
--- a/packages/opentelemetry-instrumentation-sagemaker/opentelemetry/instrumentation/sagemaker/__init__.py
+++ b/packages/opentelemetry-instrumentation-sagemaker/opentelemetry/instrumentation/sagemaker/__init__.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 """OpenTelemetry SageMaker instrumentation"""
 
 from functools import wraps
diff --git a/packages/opentelemetry-instrumentation-sagemaker/pyproject.toml b/packages/opentelemetry-instrumentation-sagemaker/pyproject.toml
index fca46d41e3..c85220cbee 100644
--- a/packages/opentelemetry-instrumentation-sagemaker/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-sagemaker/pyproject.toml
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 [project]
 name = "opentelemetry-instrumentation-sagemaker"
 version = "0.52.6"
diff --git a/packages/opentelemetry-instrumentation-together/opentelemetry/instrumentation/together/__init__.py b/packages/opentelemetry-instrumentation-together/opentelemetry/instrumentation/together/__init__.py
index 58ac9cb153..9bb025a8b0 100644
--- a/packages/opentelemetry-instrumentation-together/opentelemetry/instrumentation/together/__init__.py
+++ b/packages/opentelemetry-instrumentation-together/opentelemetry/instrumentation/together/__init__.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 """OpenTelemetry Together AI instrumentation"""
 
 import logging
diff --git a/packages/opentelemetry-instrumentation-together/pyproject.toml b/packages/opentelemetry-instrumentation-together/pyproject.toml
index c73832aa99..967677b74f 100644
--- a/packages/opentelemetry-instrumentation-together/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-together/pyproject.toml
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 [project]
 name = "opentelemetry-instrumentation-together"
 version = "0.52.6"
diff --git a/packages/opentelemetry-instrumentation-transformers/opentelemetry/instrumentation/transformers/text_generation_pipeline_wrapper.py b/packages/opentelemetry-instrumentation-transformers/opentelemetry/instrumentation/transformers/text_generation_pipeline_wrapper.py
index 4a30e29ee1..60122f66e8 100644
--- a/packages/opentelemetry-instrumentation-transformers/opentelemetry/instrumentation/transformers/text_generation_pipeline_wrapper.py
+++ b/packages/opentelemetry-instrumentation-transformers/opentelemetry/instrumentation/transformers/text_generation_pipeline_wrapper.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import logging
 
 from opentelemetry import context as context_api
diff --git a/packages/opentelemetry-instrumentation-transformers/pyproject.toml b/packages/opentelemetry-instrumentation-transformers/pyproject.toml
index c87a6c94a8..dfe384573b 100644
--- a/packages/opentelemetry-instrumentation-transformers/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-transformers/pyproject.toml
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 [project]
 name = "opentelemetry-instrumentation-transformers"
 version = "0.52.6"
diff --git a/packages/opentelemetry-instrumentation-vertexai/opentelemetry/instrumentation/vertexai/__init__.py b/packages/opentelemetry-instrumentation-vertexai/opentelemetry/instrumentation/vertexai/__init__.py
index b4c5f50252..b44d7315d1 100644
--- a/packages/opentelemetry-instrumentation-vertexai/opentelemetry/instrumentation/vertexai/__init__.py
+++ b/packages/opentelemetry-instrumentation-vertexai/opentelemetry/instrumentation/vertexai/__init__.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 """OpenTelemetry Vertex AI instrumentation"""
 
 import asyncio  # FR: async safety
diff --git a/packages/opentelemetry-instrumentation-vertexai/opentelemetry/instrumentation/vertexai/config.py b/packages/opentelemetry-instrumentation-vertexai/opentelemetry/instrumentation/vertexai/config.py
index e08814f50f..785342989d 100644
--- a/packages/opentelemetry-instrumentation-vertexai/opentelemetry/instrumentation/vertexai/config.py
+++ b/packages/opentelemetry-instrumentation-vertexai/opentelemetry/instrumentation/vertexai/config.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 from typing import Callable, Optional
 
 
diff --git a/packages/opentelemetry-instrumentation-vertexai/pyproject.toml b/packages/opentelemetry-instrumentation-vertexai/pyproject.toml
index 06a9158fb1..fe6102a03c 100644
--- a/packages/opentelemetry-instrumentation-vertexai/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-vertexai/pyproject.toml
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 [project]
 name = "opentelemetry-instrumentation-vertexai"
 version = "0.52.6"
diff --git a/packages/opentelemetry-instrumentation-watsonx/opentelemetry/instrumentation/watsonx/__init__.py b/packages/opentelemetry-instrumentation-watsonx/opentelemetry/instrumentation/watsonx/__init__.py
index ac6e6188be..7217ad05fd 100644
--- a/packages/opentelemetry-instrumentation-watsonx/opentelemetry/instrumentation/watsonx/__init__.py
+++ b/packages/opentelemetry-instrumentation-watsonx/opentelemetry/instrumentation/watsonx/__init__.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 """OpenTelemetry IBM Watsonx AI instrumentation"""
 
 import logging
diff --git a/packages/opentelemetry-instrumentation-watsonx/pyproject.toml b/packages/opentelemetry-instrumentation-watsonx/pyproject.toml
index 5517607e11..6ce922dd20 100644
--- a/packages/opentelemetry-instrumentation-watsonx/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-watsonx/pyproject.toml
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 [project]
 name = "opentelemetry-instrumentation-watsonx"
 version = "0.52.6"
diff --git a/packages/opentelemetry-instrumentation-writer/opentelemetry/instrumentation/writer/__init__.py b/packages/opentelemetry-instrumentation-writer/opentelemetry/instrumentation/writer/__init__.py
index 3d0fbcb23c..811fb4995e 100644
--- a/packages/opentelemetry-instrumentation-writer/opentelemetry/instrumentation/writer/__init__.py
+++ b/packages/opentelemetry-instrumentation-writer/opentelemetry/instrumentation/writer/__init__.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 """OpenTelemetry Writer instrumentation"""
 
 import asyncio  # FR: async safety
diff --git a/packages/opentelemetry-instrumentation-writer/pyproject.toml b/packages/opentelemetry-instrumentation-writer/pyproject.toml
index ffa6d9825a..75c7f13f6e 100644
--- a/packages/opentelemetry-instrumentation-writer/pyproject.toml
+++ b/packages/opentelemetry-instrumentation-writer/pyproject.toml
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 [project]
 name = "opentelemetry-instrumentation-writer"
 version = "0.52.6"
diff --git a/packages/sample-app/pyproject.toml b/packages/sample-app/pyproject.toml
index 5d26fbd2ef..04ff0e77a1 100644
--- a/packages/sample-app/pyproject.toml
+++ b/packages/sample-app/pyproject.toml
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 [project]
 name = "sample-app"
 version = "0.0.1"
diff --git a/packages/traceloop-sdk/pyproject.toml b/packages/traceloop-sdk/pyproject.toml
index b2060b3404..274b6f0371 100644
--- a/packages/traceloop-sdk/pyproject.toml
+++ b/packages/traceloop-sdk/pyproject.toml
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 [project]
 name = "traceloop-sdk"
 version = "0.52.6"
diff --git a/packages/traceloop-sdk/tests/conftest.py b/packages/traceloop-sdk/tests/conftest.py
index 971f06a1d2..ec0afb9990 100644
--- a/packages/traceloop-sdk/tests/conftest.py
+++ b/packages/traceloop-sdk/tests/conftest.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 """Unit tests configuration module."""
 
 import os
diff --git a/packages/traceloop-sdk/tests/test_association_properties.py b/packages/traceloop-sdk/tests/test_association_properties.py
index a51aa6b3de..4aa3f17eb2 100644
--- a/packages/traceloop-sdk/tests/test_association_properties.py
+++ b/packages/traceloop-sdk/tests/test_association_properties.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import pytest
 from langchain_openai import ChatOpenAI
 from langchain_core.prompts import ChatPromptTemplate
diff --git a/packages/traceloop-sdk/tests/test_associations.py b/packages/traceloop-sdk/tests/test_associations.py
index 32d499faaa..5930524223 100644
--- a/packages/traceloop-sdk/tests/test_associations.py
+++ b/packages/traceloop-sdk/tests/test_associations.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import pytest
 from traceloop.sdk import Traceloop, AssociationProperty
 from traceloop.sdk.decorators import task, workflow
diff --git a/packages/traceloop-sdk/tests/test_privacy_no_prompts.py b/packages/traceloop-sdk/tests/test_privacy_no_prompts.py
index bd31251ca6..e8534eeb22 100644
--- a/packages/traceloop-sdk/tests/test_privacy_no_prompts.py
+++ b/packages/traceloop-sdk/tests/test_privacy_no_prompts.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import os
 
 import pytest
diff --git a/packages/traceloop-sdk/tests/test_prompt_management.py b/packages/traceloop-sdk/tests/test_prompt_management.py
index 57ac4f71a6..d1cdaa4658 100644
--- a/packages/traceloop-sdk/tests/test_prompt_management.py
+++ b/packages/traceloop-sdk/tests/test_prompt_management.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import json
 
 import pytest
diff --git a/packages/traceloop-sdk/tests/test_sdk_initialization.py b/packages/traceloop-sdk/tests/test_sdk_initialization.py
index 89876daacc..5f7c51057b 100644
--- a/packages/traceloop-sdk/tests/test_sdk_initialization.py
+++ b/packages/traceloop-sdk/tests/test_sdk_initialization.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import pytest
 from unittest.mock import patch
 from openai import OpenAI
diff --git a/packages/traceloop-sdk/tests/test_workflows.py b/packages/traceloop-sdk/tests/test_workflows.py
index eaadaa269f..498bdcbbdf 100644
--- a/packages/traceloop-sdk/tests/test_workflows.py
+++ b/packages/traceloop-sdk/tests/test_workflows.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import asyncio
 import json
 import dataclasses
diff --git a/packages/traceloop-sdk/traceloop/sdk/instruments.py b/packages/traceloop-sdk/traceloop/sdk/instruments.py
index 775045f2c6..f32c293bfe 100644
--- a/packages/traceloop-sdk/traceloop/sdk/instruments.py
+++ b/packages/traceloop-sdk/traceloop/sdk/instruments.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 from enum import Enum
 
 
diff --git a/packages/traceloop-sdk/traceloop/sdk/logging/logging.py b/packages/traceloop-sdk/traceloop/sdk/logging/logging.py
index 3458f37d2d..e43d6ea3ca 100644
--- a/packages/traceloop-sdk/traceloop/sdk/logging/logging.py
+++ b/packages/traceloop-sdk/traceloop/sdk/logging/logging.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 import logging
 from typing import Dict, Optional, Any, cast
 from urllib.parse import urlparse
diff --git a/packages/traceloop-sdk/traceloop/sdk/metrics/metrics.py b/packages/traceloop-sdk/traceloop/sdk/metrics/metrics.py
index b365f1457f..313a1657f6 100644
--- a/packages/traceloop-sdk/traceloop/sdk/metrics/metrics.py
+++ b/packages/traceloop-sdk/traceloop/sdk/metrics/metrics.py
@@ -1,3 +1,7 @@
+# NOTE:
+# This file has been modified by FortifyRoot.
+# Original source: https://github.com/traceloop/openllmetry
+
 from collections.abc import Sequence
 from typing import Dict, Optional, Any
 from urllib.parse import urlparse
diff --git a/packages/traceloop-sdk/traceloop/sdk/tracing/tracing.py b/packages/traceloop-sdk/traceloop/sdk/tracing/tracing.py
index 127c509c3d..515f7e4a2a 100644
--- a/packages/traceloop-sdk/traceloop/sdk/tracing/tracing.py
+++ b/packages/traceloop-sdk/traceloop/sdk/tracing/tracing.py
@@ -627,8 +627,8 @@ def init_instrumentations(
             print(Fore.RED + f"Warning: {instrument} instrumentation does not exist.")
             print(
                 "Usage:\n"
-                "from traceloop.sdk.instruments import Instruments\n"
-                "Traceloop.init(app_name='...', instruments=set([Instruments.OPENAI]))"
+                "from fortifyroot import Instruments\n"
+                "fortifyroot.init(app_name='...', instruments=set([Instruments.OPENAI]))"
             )
             print(Fore.RESET)
 
@@ -939,15 +939,18 @@ def init_pymysql_instrumentor():
 
 
 def init_bedrock_instrumentor(should_enrich_metrics: bool):
-    if is_package_installed("boto3"):
-        from opentelemetry.instrumentation.bedrock import BedrockInstrumentor
+    try:
+        if is_package_installed("boto3"):
+            from opentelemetry.instrumentation.bedrock import BedrockInstrumentor
 
-        instrumentor = BedrockInstrumentor(
-            enrich_token_usage=should_enrich_metrics,
-        )
-        if not instrumentor.is_instrumented_by_opentelemetry:
-            instrumentor.instrument()
-        return True
+            instrumentor = BedrockInstrumentor(
+                enrich_token_usage=should_enrich_metrics,
+            )
+            if not instrumentor.is_instrumented_by_opentelemetry:
+                instrumentor.instrument()
+            return True
+    except Exception as e:
+        logging.error(f"Error initializing Bedrock instrumentor: {e}")
     return False
 
 
diff --git a/scripts/apply-fr-modification-notices.py b/scripts/apply-fr-modification-notices.py
new file mode 100755
index 0000000000..0601b66a7a
--- /dev/null
+++ b/scripts/apply-fr-modification-notices.py
@@ -0,0 +1,214 @@
+#!/usr/bin/env python3
+"""Apply/check FortifyRoot modification notices in the OpenLLMetry fork.
+
+The FR fork branches are based on an upstream Traceloop/OpenLLMetry tag.
+For files that existed in that upstream tag and were modified by FR, Apache
+2.0 requires a prominent notice that the file changed. This script keeps that
+notice consistent for supported text source/metadata files under packages/.
+"""
+
+from __future__ import annotations
+
+import argparse
+import re
+import subprocess
+import sys
+from pathlib import Path
+
+
+NOTICE_LINES = [
+    "# NOTE:",
+    "# This file has been modified by FortifyRoot.",
+    "# Original source: https://github.com/traceloop/openllmetry",
+    "",
+]
+NOTICE_SUFFIXES = {".py", ".toml"}
+
+BRANCH_RE = re.compile(r"^fr-v(?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)\.x$")
+TAG_RE = re.compile(
+    r"^fr-v(?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)\.(?P<fr_patch>\d+)$"
+)
+
+
+def run_git(repo: Path, args: list[str], *, check: bool = True) -> str:
+    result = subprocess.run(
+        ["git", *args],
+        cwd=repo,
+        text=True,
+        capture_output=True,
+    )
+    if check and result.returncode != 0:
+        raise RuntimeError(
+            f"git {' '.join(args)} failed:\n{result.stderr.strip()}"
+        )
+    return result.stdout.strip()
+
+
+def derive_baseline(
+    repo: Path,
+    explicit_baseline: str | None,
+    base_ref: str | None = None,
+) -> str:
+    if explicit_baseline:
+        return explicit_baseline
+
+    ref_match = _match_fr_branch_or_tag(base_ref or "")
+    if ref_match:
+        return _baseline_from_match(ref_match)
+
+    branch = run_git(repo, ["branch", "--show-current"], check=False)
+    branch_match = _match_fr_branch_or_tag(branch)
+    if branch_match:
+        return _baseline_from_match(branch_match)
+
+    tag = run_git(repo, ["describe", "--tags", "--exact-match"], check=False)
+    tag_match = _match_fr_branch_or_tag(tag)
+    if tag_match:
+        return _baseline_from_match(tag_match)
+
+    raise RuntimeError(
+        "Could not derive upstream baseline. Checkout a branch named "
+        "fr-vA.B.C.x, checkout a tag named fr-vA.B.C.D, or pass "
+        "--upstream-baseline vA.B.C."
+    )
+
+
+def _match_fr_branch_or_tag(ref: str) -> re.Match[str] | None:
+    """Match FR fork branch/tag names, tolerating common git ref prefixes."""
+    ref_name = ref.strip()
+    for prefix in ("refs/heads/", "refs/tags/", "origin/"):
+        if ref_name.startswith(prefix):
+            ref_name = ref_name[len(prefix):]
+            break
+    return BRANCH_RE.match(ref_name) or TAG_RE.match(ref_name)
+
+
+def _baseline_from_match(match: re.Match[str]) -> str:
+    return (
+        f"v{match.group('major')}.{match.group('minor')}.{match.group('patch')}"
+    )
+
+
+def verify_baseline(repo: Path, baseline: str) -> None:
+    run_git(repo, ["rev-parse", "--verify", f"{baseline}^{{commit}}"])
+
+
+def modified_upstream_notice_files(repo: Path, baseline: str) -> list[Path]:
+    diff_output = run_git(
+        repo,
+        ["diff", "--name-only", "--diff-filter=AM", f"{baseline}..HEAD", "--", "packages"],
+    )
+    paths: list[Path] = []
+
+    for line in diff_output.splitlines():
+        path = Path(line)
+        if path.suffix not in NOTICE_SUFFIXES:
+            continue
+        if not (repo / path).exists():
+            continue
+        existed_upstream = subprocess.run(
+            ["git", "cat-file", "-e", f"{baseline}:{line}"],
+            cwd=repo,
+            text=True,
+            capture_output=True,
+        ).returncode == 0
+        if existed_upstream:
+            paths.append(path)
+
+    return sorted(paths)
+
+
+def normalize_notice(content: str) -> str:
+    bom = "\ufeff" if content.startswith("\ufeff") else ""
+    body_content = content[len(bom):] if bom else content
+    newline = "\r\n" if "\r\n" in body_content else "\n"
+    lines = body_content.splitlines(keepends=True)
+    insert_at = _python_header_insert_index(lines)
+    body = lines[:insert_at] + _strip_existing_modified_notice(lines[insert_at:])
+    return (
+        bom
+        + "".join(body[:insert_at])
+        + _notice_text(newline)
+        + "".join(body[insert_at:])
+    )
+
+
+def _notice_text(newline: str) -> str:
+    return newline.join(NOTICE_LINES) + newline
+
+
+def _python_header_insert_index(lines: list[str]) -> int:
+    index = 0
+    if lines and lines[0].startswith("#!"):
+        index = 1
+    if index < len(lines) and re.match(r"^#.*coding[:=]\s*[-\w.]+", lines[index]):
+        index += 1
+    return index
+
+
+def _strip_existing_modified_notice(lines: list[str]) -> list[str]:
+    if len(lines) < len(NOTICE_LINES):
+        return lines
+
+    for offset, expected in enumerate(NOTICE_LINES):
+        if lines[offset].strip() != expected:
+            return lines
+    return lines[len(NOTICE_LINES):]
+
+
+def main() -> int:
+    parser = argparse.ArgumentParser(
+        description="Apply/check FR modification notices in fr-openllmetry-py."
+    )
+    parser.add_argument(
+        "--upstream-baseline",
+        help="Upstream tag to diff against, e.g. v0.52.6. If omitted, derive from current FR branch/tag.",
+    )
+    parser.add_argument(
+        "--base-ref",
+        help="FR fork base branch/tag ref to derive the upstream baseline from, e.g. fr-v0.52.6.x. Intended for pull-request CI.",
+    )
+    parser.add_argument(
+        "--check",
+        action="store_true",
+        help="Check notices and exit nonzero if any file would change.",
+    )
+    args = parser.parse_args()
+
+    repo = Path(__file__).resolve().parents[1]
+
+    try:
+        baseline = derive_baseline(repo, args.upstream_baseline, args.base_ref)
+        verify_baseline(repo, baseline)
+        files = modified_upstream_notice_files(repo, baseline)
+    except RuntimeError as exc:
+        print(f"ERROR: {exc}", file=sys.stderr)
+        return 2
+
+    changed: list[Path] = []
+    for path in files:
+        file_path = repo / path
+        content = file_path.read_text(encoding="utf-8")
+        normalized = normalize_notice(content)
+        if normalized == content:
+            continue
+        changed.append(path)
+        if not args.check:
+            file_path.write_text(normalized, encoding="utf-8")
+
+    if changed:
+        action = "would update" if args.check else "updated"
+        print(f"FR modification notices {action} for {len(changed)} file(s):")
+        for path in changed:
+            print(f"  {path}")
+        return 1 if args.check else 0
+
+    print(
+        f"FR modification notices are up to date for {len(files)} modified upstream file(s) "
+        f"against {baseline}."
+    )
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())
diff --git a/scripts/test-apply-fr-modification-notices.py b/scripts/test-apply-fr-modification-notices.py
new file mode 100644
index 0000000000..4b6f334460
--- /dev/null
+++ b/scripts/test-apply-fr-modification-notices.py
@@ -0,0 +1,138 @@
+#!/usr/bin/env python3
+"""Unit tests for apply-fr-modification-notices.py."""
+
+from __future__ import annotations
+
+import importlib.util
+import subprocess
+import tempfile
+import unittest
+from pathlib import Path
+
+
+SCRIPT_PATH = Path(__file__).with_name("apply-fr-modification-notices.py")
+spec = importlib.util.spec_from_file_location("apply_fr_modification_notices", SCRIPT_PATH)
+assert spec is not None
+notices = importlib.util.module_from_spec(spec)
+assert spec.loader is not None
+spec.loader.exec_module(notices)
+
+
+class NoticeNormalizationTests(unittest.TestCase):
+    def test_explicit_baseline_wins_over_base_ref(self) -> None:
+        baseline = notices.derive_baseline(
+            Path.cwd(),
+            explicit_baseline="v9.8.7",
+            base_ref="refs/heads/fr-v0.52.6.x",
+        )
+
+        self.assertEqual(baseline, "v9.8.7")
+
+    def test_exact_notice_strip_preserves_adjacent_copyright(self) -> None:
+        content = (
+            "# NOTE:\n"
+            "# This file has been modified by FortifyRoot.\n"
+            "# Original source: https://github.com/traceloop/openllmetry\n"
+            "\n"
+            "# Copyright 2023 Traceloop\n"
+            "import os\n"
+        )
+
+        normalized = notices.normalize_notice(content)
+
+        self.assertEqual(normalized.count("This file has been modified by FortifyRoot."), 1)
+        self.assertIn("# Copyright 2023 Traceloop\n", normalized)
+
+    def test_notice_preserves_bom(self) -> None:
+        normalized = notices.normalize_notice("\ufeffimport os\n")
+
+        self.assertTrue(normalized.startswith("\ufeff# NOTE:\n"))
+
+    def test_notice_preserves_crlf(self) -> None:
+        normalized = notices.normalize_notice("import os\r\n")
+
+        self.assertIn("# NOTE:\r\n", normalized)
+        self.assertNotIn("# NOTE:\n", normalized.replace("\r\n", ""))
+
+    def test_notice_stays_after_shebang_and_encoding(self) -> None:
+        normalized = notices.normalize_notice(
+            "#!/usr/bin/env python3\n"
+            "# -*- coding: utf-8 -*-\n"
+            "from __future__ import annotations\n"
+        )
+
+        self.assertTrue(
+            normalized.startswith(
+                "#!/usr/bin/env python3\n"
+                "# -*- coding: utf-8 -*-\n"
+                "# NOTE:\n"
+            )
+        )
+        self.assertIn("from __future__ import annotations\n", normalized)
+
+    def test_toml_notice_uses_toml_comment_syntax(self) -> None:
+        normalized = notices.normalize_notice("[tool.poetry]\nname = \"demo\"\n")
+
+        self.assertTrue(normalized.startswith("# NOTE:\n"))
+        self.assertIn('[tool.poetry]\nname = "demo"\n', normalized)
+
+    def test_baseline_derives_from_base_ref_in_detached_head_context(self) -> None:
+        baseline = notices.derive_baseline(
+            Path.cwd(),
+            explicit_baseline=None,
+            base_ref="refs/heads/fr-v0.52.6.x",
+        )
+
+        self.assertEqual(baseline, "v0.52.6")
+
+    def test_modified_upstream_notice_files_include_toml_and_skip_fr_added_files(self) -> None:
+        with tempfile.TemporaryDirectory() as tmp_dir:
+            repo = Path(tmp_dir)
+            packages = repo / "packages" / "demo"
+            packages.mkdir(parents=True)
+            (packages / "existing.py").write_text("import os\n", encoding="utf-8")
+            (packages / "pyproject.toml").write_text(
+                "[project]\nname = \"demo\"\n",
+                encoding="utf-8",
+            )
+            (packages / "README.md").write_text("demo\n", encoding="utf-8")
+
+            self._git(repo, "init")
+            self._git(repo, "config", "user.email", "test@example.com")
+            self._git(repo, "config", "user.name", "Test User")
+            self._git(repo, "add", ".")
+            self._git(repo, "commit", "-m", "upstream baseline")
+            self._git(repo, "tag", "v0.52.6")
+
+            (packages / "existing.py").write_text("import sys\n", encoding="utf-8")
+            (packages / "pyproject.toml").write_text(
+                "[project]\nname = \"demo-fr\"\n",
+                encoding="utf-8",
+            )
+            (packages / "fr_added.py").write_text("import json\n", encoding="utf-8")
+            (packages / "README.md").write_text("demo fr\n", encoding="utf-8")
+            self._git(repo, "add", ".")
+            self._git(repo, "commit", "-m", "fr changes")
+
+            paths = notices.modified_upstream_notice_files(repo, "v0.52.6")
+
+            self.assertEqual(
+                paths,
+                [
+                    Path("packages/demo/existing.py"),
+                    Path("packages/demo/pyproject.toml"),
+                ],
+            )
+
+    def _git(self, repo: Path, *args: str) -> None:
+        subprocess.run(
+            ["git", *args],
+            cwd=repo,
+            check=True,
+            text=True,
+            capture_output=True,
+        )
+
+
+if __name__ == "__main__":
+    unittest.main()