update most needextend directives to affect only the current file

[AlexanderLanin]

Since docs-as-code is moving towards supporting more fine grained docs-targets and embedding documentations into documentations, we cannot reliably predict cross document behavior of needextend. Sometimes it may affect a different set of needs than other times.

For example when needextend is applied to "x in docname", and someone else embedds process documentation into their module, and for whatever reason they also have "x", then suddenly the needextend will affect more files/needs.

This was already problematic in reference_integration in the past, we just got lucky due to "unique enough" names. But that will not suffice for a broader rollout.

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This PR changes about 70% of needextend directives in process_descriptions. Those where the change is a single one-liner.

Verification performed: needs_json generated before the change, change applied, needs_json generated again, no diff.

[Copilot]

🟢 Ready to approve

The updates consistently apply an already-established needextend scoping pattern ("c.this_doc()") and the affected directives remain correctly placed/indented in their RST contexts.

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Pull request overview

This PR updates multiple needextend directives in the process description RST sources to scope extensions strictly to the current document via c.this_doc(), reducing unintended cross-document effects when documents are embedded or reused.

Changes:

• Replaced needextend filters based on docname substring checks with .. needextend:: "c.this_doc()" across several process area documents.
• Kept existing tagging behavior (:+tags:) while making the selection criteria more robust to embedding / docname shifts.

File summaries

File	Description
process/process_areas/security_management/security_management_workflow.rst	Scope needextend to the current document for security_management tagging.
process/process_areas/security_management/index.rst	Scope needextend to the current document for security_management tagging.
process/process_areas/security_analysis/index.rst	Scope needextend to the current document for security_analysis tagging.
process/process_areas/security_analysis/guidance/security_analysis_process_reqs.rst	Scope needextend to the current document for security_analysis tagging.
process/process_areas/safety_management/safety_management_workflow.rst	Scope needextend to the current document for safety_management tagging.
process/process_areas/safety_management/index.rst	Scope needextend to the current document for safety_management tagging.
process/process_areas/safety_analysis/index.rst	Scope needextend to the current document for safety_analysis tagging.
process/process_areas/safety_analysis/guidance/safety_analysis_process_reqs.rst	Scope needextend to the current document for safety_analysis tagging.
process/process_areas/quality_management/quality_workflow.rst	Scope needextend to the current document for quality_management tagging.
process/process_areas/quality_management/index.rst	Scope needextend to the current document for quality_management tagging.
process/process_areas/process_management/process_management_workflow.rst	Scope needextend to the current document for process_management tagging.
process/process_areas/process_management/index.rst	Scope needextend to the current document for process_management tagging.
process/process_areas/process_management/guidance/process_management_reqs.rst	Scope needextend to the current document for process_management tagging.
process/process_areas/problem_resolution/problem_resolution_workflow.rst	Scope needextend to the current document for problem_resolution tagging.
process/process_areas/problem_resolution/index.rst	Scope needextend to the current document for problem_resolution tagging.
process/process_areas/implementation/index.rst	Scope needextend to the current document for implementation tagging.
process/process_areas/implementation/guidance/implementation_process_reqs.rst	Scope needextend to the current document for implementation tagging.
process/process_areas/change_management/index.rst	Scope needextend to the current document for change_management tagging.
process/process_areas/change_management/guidance/change_management_reqs.rst	Scope needextend to the current document for change_management tagging.
process/process_areas/change_management/change_management_workflow.rst	Scope needextend to the current document for change_management tagging.

Review details

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• Comments generated: 0
• Review effort level: Lite

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