add failure mode attributes

Author: AdhamN861

docs/internals/requirements/requirements.rst

@@ -1126,6 +1126,31 @@ Testing
 
    Docs-As-Code shall enforce that every Safety Analysis has a short description of the failure effect (e.g. failure lead to an unintended actuation of the analysed element)
 
+
+.. tool_req:: Safety Analysis Safety Relevant Attribute
+   :id: tool_req__docs_saf_attrs_safety_relevant
+   :implemented: YES
+   :tags: Safety Analysis
+   :version: 1
+
+   Docs-As-Code shall allow needs of type :need:`tool_req__docs_saf_types` and
+   ``plat_saf_dfa`` to have an optional ``safety_relevant`` attribute. The
+   allowed values are:
+
+   * yes
+   * no
+
+
+.. tool_req:: FMEA: Root Cause Attribute
+   :id: tool_req__docs_saf_attrs_root_cause
+   :implemented: YES
+   :tags: Safety Analysis
+   :version: 1
+
+   Docs-As-Code shall allow FMEA needs (``feat_saf_fmea``, ``comp_saf_fmea``)
+   to have an optional ``root_cause`` attribute with non-empty content.
+
+
 ----------------------------------------------------------------
 Safety Analysis (DFA + FMEA) Process to Tool Requirement Mapping
 ----------------------------------------------------------------

src/extensions/score_metamodel/metamodel.yaml

@@ -736,6 +736,7 @@ needs_types:
       violates: feat_arc_sta
     optional_options:
       mitigation_issue: ^https://github.com/.*$
+      safety_relevant: ^(yes|no)$
     optional_links:
       mitigated_by: stkh_req, aou_req
     parts: 3
@@ -758,6 +759,8 @@ needs_types:
     optional_options:
       # req-Id: tool_req__docs_saf_attrs_mitigation_issue
       mitigation_issue: ^https://github.com/.*$
+      # req-Id: tool_req__docs_saf_attrs_safety_relevant
+      safety_relevant: ^(yes|no)$
     optional_links:
       # req-Id: tool_req__docs_saf_attrs_mitigated_by
       # (only mandatory once valid status == valid)
@@ -782,6 +785,8 @@ needs_types:
     optional_options:
       # req-Id: tool_req__docs_saf_attrs_mitigation_issue
       mitigation_issue: ^https://github.com/.*$
+      # req-Id: tool_req__docs_saf_attrs_safety_relevant
+      safety_relevant: ^(yes|no)$
     mandatory_links:
       # req-Id: tool_req__docs_saf_attrs_violates
       violates: comp_arc_sta
@@ -810,6 +815,10 @@ needs_types:
     optional_options:
       # req-Id: tool_req__docs_saf_attrs_mitigation_issue
       mitigation_issue: ^https://github.com/.*$
+      # req-Id: tool_req__docs_saf_attrs_safety_relevant
+      safety_relevant: ^(yes|no)$
+      # req-Id: tool_req__docs_saf_attrs_root_cause
+      root_cause: ^[\s\S]+$
     mandatory_links:
       # req-Id: tool_req__docs_saf_attrs_violates
       violates: feat_arc_dyn
@@ -837,6 +846,10 @@ needs_types:
     optional_options:
       # req-Id: tool_req__docs_saf_attrs_mitigation_issue
       mitigation_issue: ^https://github.com/.*$
+      # req-Id: tool_req__docs_saf_attrs_safety_relevant
+      safety_relevant: ^(yes|no)$
+      # req-Id: tool_req__docs_saf_attrs_root_cause
+      root_cause: ^[\s\S]+$
     mandatory_links:
       # req-Id: tool_req__docs_saf_attrs_violates
       violates: comp_arc_dyn