Remove NASSE naming

[ericevans-nv]

Description

Remove all references to "NASSE" (NeMo Agent Safety and Security Engine) from documentation and replace with descriptive language that presents safety and security as a built-in capability of NeMo Agent Toolkit rather than a separately branded feature.

By Submitting this PR I confirm:

• I am familiar with the Contributing Guidelines.
• We require that all contributors "sign-off" on their commits. This certifies that the contribution is your original work, or you have rights to submit it under the same license, or a compatible license.
  • Any contribution which contains commits that are not Signed-Off will not be accepted.
• When the PR is ready for review, new or existing tests cover these changes.
• When the PR is ready for review, the documentation is up to date with these changes.

Summary by CodeRabbit

• Documentation
  • Updated multiple docs (examples, READMEs, CHANGELOG, release notes) to use "NeMo Agent Toolkit Safety and Security" branding and terminology.
  • Renamed headings, table-of-contents entries, anchors and links to match the new label.
  • Reworded Retail Agent and safety sections to emphasize toolkit safety and security capabilities rather than NASSE-specific framing.
  • Minor grammar and style edits; no functional changes.

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Walkthrough

Renamed occurrences of "Safety and Security" and "NASSE" to "NeMo Agent Toolkit Safety and Security" across documentation and examples, updated anchors/headings and some descriptive text, and adjusted a pre-commit markdown-link-check exclude pattern. No code, API, or behavioral changes.

Changes

Cohort / File(s)	Summary
Top-level docs CHANGELOG.md, README.md, docs/source/release-notes.md	Renamed entries and labels from "Safety and Security Engine" / NASSE to "NeMo Agent Toolkit Safety and Security"; preserved links/URLs; update is textual only.
Examples index examples/README.md	Updated section heading and anchor from "Safety and Security"/#safety-and-security to "NeMo Agent Toolkit Safety and Security"/#nemo-agent-toolkit-safety-and-security and reworded one bullet to reference toolkit capabilities.
Example: retail agent README examples/safety_and_security/retail_agent/README.md	Replaced NASSE terminology with "NeMo Agent Toolkit" across title, TOC anchors, headings, and body; simplified phrasing and adjusted component descriptions and warnings.
Repo tooling .pre-commit-config.yaml	Changed markdown-link-check exclude pattern path to ^packages/nvidia_nat_core/src/nat/meta/pypi\.md$ (was ^src/nat/meta/pypi\.md$).

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'Remove NASSE naming' clearly and accurately describes the main objective of the PR: removing all NASSE references from documentation and replacing them with NeMo Agent Toolkit terminology.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

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• Create PR with unit tests
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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against the current code and only fix it if needed.

Inline comments:
In `@examples/safety_and_security/retail_agent/README.md`:
- Line 59: Replace the possessive phrase "an agent's end-to-end security
posture" with a non-possessive construction such as "the end-to-end security
posture of an agent" (or "the end-to-end security posture of an AI agent") in
the sentence that begins "This guide demonstrates the safety and security
capabilities..."; update the phrase wherever "agent's" is used with an inanimate
possessive in this README to follow the documentation guideline.

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ℹ️ Review info

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between bd6f4cf and 3a59062.

📒 Files selected for processing (2)

• examples/README.md
• examples/safety_and_security/retail_agent/README.md

[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against the current code and only fix it if needed.

Inline comments:
In `@CHANGELOG.md`:
- Line 38: The PR illegally modifies historical content in CHANGELOG.md by
renaming the existing 1.4.0 entry; revert the change to the original 1.4.0 line
and instead add a new forward-looking entry (e.g., a new "Unreleased" or
next-version section) that contains the NASSE branding update; specifically undo
edits to the existing CHANGELOG.md line that contained the "NeMo Agent Toolkit
Safety and Security" entry and place the new branding text under a new
upcoming-release header so historical changelog content remains unchanged.

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ℹ️ Review info

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 9d87a85 and 26604b1.

📒 Files selected for processing (5)

• CHANGELOG.md
• README.md
• docs/source/release-notes.md
• examples/README.md
• examples/safety_and_security/retail_agent/README.md

✅ Files skipped from review due to trivial changes (1)

• README.md

🚧 Files skipped from review as they are similar to previous changes (1)

• examples/safety_and_security/retail_agent/README.md

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[ericevans-nv]

/merge