[rules score] bugfix rendering of safety analysis

bazel/rules/rules_score/docs/_assets/safety_analysis_doc_pipeline.puml

@@ -0,0 +1,88 @@
+' *******************************************************************************
+' 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
+' *******************************************************************************
+
+@startuml safety_analysis_doc_pipeline
+
+' Data flow from safety analysis source files through Bazel rules into the
+' Sphinx staging tree.
+
+skinparam linetype ortho
+skinparam ArrowFontSize 10
+skinparam defaultTextAlignment center
+skinparam nodesep 40
+skinparam ranksep 50
+
+skinparam rectangle {
+    BackgroundColor<<src>>   #EFF6FB
+    BorderColor<<src>>       #0066B1
+    BackgroundColor<<gen>>   #FFF3E0
+    BorderColor<<gen>>       #EF6C00
+    BackgroundColor<<rule>>  #E8F5E9
+    BorderColor<<rule>>      #2E7D32
+    BackgroundColor<<stage>> #F3E5F5
+    BorderColor<<stage>>     #7B1FA2
+    BackgroundColor<<prov>>  #FFFDE7
+    BorderColor<<prov>>      #F9A825
+}
+
+' ── Inputs ────────────────────────────────────────────────────────────────────
+rectangle "failuremodes.trlc\ncontrolmeasures.trlc" <<src>> as trlc
+rectangle "fta_*.puml"                              <<src>> as fta
+rectangle "dfa.rst"                                 <<src>> as dfa
+
+' ── fmea rule ─────────────────────────────────────────────────────────────────
+rectangle "**fmea**"  <<rule>> as fmea
+
+' ── fmea generated files ──────────────────────────────────────────────────────
+rectangle "fmea.rst"               <<gen>> as fmea_rst
+rectangle "failuremodes.inc\ncontrolmeasures.inc" <<gen>> as inc_files
+rectangle "fta_*.puml (inlined)\nroot_causes.lobster" <<gen>> as puml_proc
+rectangle "detail_*.rst"          <<gen>> as detail_rst
+
+' ── fmea SphinxSourcesInfo ────────────────────────────────────────────────────
+rectangle "SphinxSourcesInfo\n──────────────────\nsrcs:     fmea.rst\ndeps:     fmea.rst + *.inc + *.puml\naux_srcs: detail_*.rst" <<prov>> as fmea_ssi
+
+' ── dependability_analysis rule ───────────────────────────────────────────────
+rectangle "**dependability_analysis**" <<rule>> as da
+
+' ── dependability_analysis SphinxSourcesInfo ─────────────────────────────────
+rectangle "SphinxSourcesInfo\n──────────────────\nsrcs:     dfa.rst + fmea.rst\ndeps:     + *.inc + *.puml\naux_srcs: detail_*.rst" <<prov>> as da_ssi
+
+' ── dependable_element rule ───────────────────────────────────────────────────
+rectangle "**dependable_element**" <<rule>> as de
+
+' ── Sphinx staging tree ───────────────────────────────────────────────────────
+rectangle "dependability_analysis/\n  dfa.rst            ← toctree\n  fmea.rst           ← toctree\n  failuremodes.inc\n  controlmeasures.inc\n  fta_*.puml\n  detail_*.rst       ← sub-pages" <<stage>> as stage
+
+' ── Edges ─────────────────────────────────────────────────────────────────────
+trlc --> fmea : trlc_rst\nlobster-trlc
+fta  --> fmea : safety_analysis_tools
+
+fmea --> fmea_rst
+fmea --> inc_files
+fmea --> puml_proc
+fmea --> detail_rst
+fmea_rst   --> fmea_ssi
+inc_files  --> fmea_ssi
+puml_proc  --> fmea_ssi
+detail_rst --> fmea_ssi
+
+dfa      --> da
+fmea_ssi --> da : merge
+
+da --> da_ssi
+
+da_ssi --> de : dependability_analysis attr
+de --> stage : symlink srcs+deps\nsymlink aux_srcs\n(no outer toctree entry)
+
+@enduml

bazel/rules/rules_score/docs/tooling_architecture.rst

@@ -261,3 +261,32 @@ self-contained.
                                               ├── index.html
                                               ├── dep1/     ← merged
                                               └── dep2/     ← merged
+
+.. _safety-analysis-doc-pipeline:
+
+Safety analysis document pipeline
+----------------------------------
+
+The diagram below shows how FMEA and FTA source files travel through the three
+rules (``fmea`` → ``dependability_analysis`` → ``dependable_element``) and land
+in the Sphinx staging tree.  Blue boxes are source files authored by the
+component team; orange boxes are generated files; yellow boxes are the
+``SphinxSourcesInfo`` provider payloads; the purple box is the final staging
+directory consumed by Sphinx.
+
+.. uml:: _assets/safety_analysis_doc_pipeline.puml
+   :align: center
+   :alt: Safety analysis document pipeline
+   :width: 100%
+
+``SphinxSourcesInfo`` carries three depsets:
+
+- **srcs** — files that become top-level toctree entries in the enclosing
+  document section (``fmea.rst``, ``dfa.rst``).
+- **deps** — all files that must be present in the staging directory: own
+  ``srcs`` plus ``.inc`` rendered sections and preprocessed ``.puml`` diagrams
+  that ``fmea.rst`` pulls in via ``.. include::`` / ``.. uml::``.
+- **aux_srcs** — files to symlink alongside ``srcs``/``deps`` but **not** added
+  to the outer index toctree.  ``fmea`` uses this for the ``detail_*.rst``
+  sub-pages, which are referenced from the inner ``.. toctree::`` inside
+  ``fmea.rst`` rather than from the section index.

bazel/rules/rules_score/private/architectural_design.bzl

@@ -174,6 +174,7 @@ def _architectural_design_impl(ctx):
         SphinxSourcesInfo(
             srcs = sphinx_srcs,
             deps = sphinx_srcs,
+            aux_srcs = depset(),
         ),
     ]
 

bazel/rules/rules_score/private/assumptions_of_use.bzl

@@ -89,6 +89,7 @@ def _assumptions_of_use_impl(ctx):
         SphinxSourcesInfo(
             srcs = all_srcs,
             deps = depset(transitive = transitive),
+            aux_srcs = depset(),
         ),
     ]
 

bazel/rules/rules_score/private/component.bzl

@@ -207,6 +207,7 @@ def _component_impl(ctx):
         SphinxSourcesInfo(
             srcs = req_sphinx_depset,
             deps = sphinx_depset,
+            aux_srcs = depset(),
         ),
     ]
 

bazel/rules/rules_score/private/dependability_analysis.bzl

@@ -30,7 +30,7 @@ load("//bazel/rules/rules_score/private:lobster_config.bzl", "format_lobster_sou
 # Private Helpers
 # ============================================================================
 
-def _collect_analysis_providers(sa, rst_srcs_list, rst_deps_list, lobster_files):
+def _collect_analysis_providers(sa, rst_srcs_list, rst_deps_list, rst_aux_list, lobster_files):
     """Collect analysis providers from a single sub-analysis target.
 
     Updates the provided lists/dicts in-place.
@@ -39,12 +39,15 @@ def _collect_analysis_providers(sa, rst_srcs_list, rst_deps_list, lobster_files)
         sa:            A sub-analysis target (fmea or security).
         rst_srcs_list: List of depsets to extend with SphinxSourcesInfo.srcs.
         rst_deps_list: List of depsets to extend with SphinxSourcesInfo.deps.
+        rst_aux_list:  List of depsets to extend with SphinxSourcesInfo.aux_srcs.
         lobster_files: Dict to update with AnalysisInfo.lobster_files
                        (canonical name → File).
     """
     if SphinxSourcesInfo in sa:
         rst_srcs_list.append(sa[SphinxSourcesInfo].srcs)
         rst_deps_list.append(sa[SphinxSourcesInfo].deps)
+        if sa[SphinxSourcesInfo].aux_srcs:
+            rst_aux_list.append(sa[SphinxSourcesInfo].aux_srcs)
     if AnalysisInfo in sa:
         lobster_files.update(sa[AnalysisInfo].lobster_files)
 
@@ -74,6 +77,7 @@ def _dependability_analysis_impl(ctx):
 
     rst_srcs_transitive = [dfa_rst_files]
     rst_deps_transitive = [dfa_rst_files]
+    rst_aux_transitive = []
     lobster_files = {}  # canonical name → File, merged from all sub-analyses
 
     # -------------------------------------------------------------------------
@@ -82,22 +86,23 @@ def _dependability_analysis_impl(ctx):
     fmea_output_files = []
     for sa in ctx.attr.fmea:
         fmea_output_files.append(sa[DefaultInfo].files)
-        _collect_analysis_providers(sa, rst_srcs_transitive, rst_deps_transitive, lobster_files)
+        _collect_analysis_providers(sa, rst_srcs_transitive, rst_deps_transitive, rst_aux_transitive, lobster_files)
 
     # -------------------------------------------------------------------------
     # Collect from security_analysis targets
     # -------------------------------------------------------------------------
     security_output_files = []
     for sa in ctx.attr.security_analysis:
         security_output_files.append(sa[DefaultInfo].files)
-        _collect_analysis_providers(sa, rst_srcs_transitive, rst_deps_transitive, lobster_files)
+        _collect_analysis_providers(sa, rst_srcs_transitive, rst_deps_transitive, rst_aux_transitive, lobster_files)
 
-    # Architectural design sphinx deps (optional)
-    if ctx.attr.arch_design and SphinxSourcesInfo in ctx.attr.arch_design:
-        rst_deps_transitive.append(ctx.attr.arch_design[SphinxSourcesInfo].deps)
+    # arch_design files are handled separately by dependable_element via its
+    # architectural_design attribute, so they are not included in this rule's
+    # sphinx deps to avoid orphan warnings.
 
     all_rst_srcs = depset(transitive = rst_srcs_transitive)
     all_rst_deps = depset(transitive = rst_deps_transitive)
+    all_rst_aux = depset(transitive = rst_aux_transitive) if rst_aux_transitive else depset()
 
     # =========================================================================
     # Lobster traceability report (combined FM + CM + FTA)
@@ -182,6 +187,7 @@ def _dependability_analysis_impl(ctx):
         SphinxSourcesInfo(
             srcs = all_rst_srcs,
             deps = all_rst_deps,
+            aux_srcs = all_rst_aux,
         ),
     ]
 

bazel/rules/rules_score/private/dependable_element.bzl

@@ -254,16 +254,21 @@ def _process_artifact_files(ctx, artifact_name, label):
     all_files = _get_sphinx_files(label)
     doc_files = _filter_doc_files(all_files)
 
-    if not doc_files:
+    # aux_srcs are files to symlink but NOT add to the outer toctree index.
+    aux_files = []
+    if label[SphinxSourcesInfo].aux_srcs:
+        aux_files = label[SphinxSourcesInfo].aux_srcs.to_list()
+
+    if not doc_files and not aux_files:
         return (output_files, index_refs)
 
     # Build a lookup of srcs paths so we know which files are toctree entries.
     srcs_paths = {f.path: True for f in label[SphinxSourcesInfo].srcs.to_list()}
 
-    # Find common directory to preserve hierarchy
-    common_dir = _find_common_directory(doc_files)
+    # Find common directory across all files (regular + aux) to preserve hierarchy.
+    common_dir = _find_common_directory(doc_files + aux_files)
 
-    # Process each file
+    # Process regular deps files
     for artifact_file in doc_files:
         # Compute paths
         relative_path = _compute_relative_path(artifact_file, common_dir)
@@ -289,6 +294,17 @@ def _process_artifact_files(ctx, artifact_name, label):
                 .replace(".md", "")
             index_refs.append(doc_ref)
 
+    # Process aux_srcs: symlink without adding to outer toctree index.
+    for artifact_file in aux_files:
+        relative_path = _compute_relative_path(artifact_file, common_dir)
+        output_file = _create_artifact_symlink(
+            ctx,
+            artifact_name,
+            artifact_file,
+            relative_path,
+        )
+        output_files.append(output_file)
+
     return (output_files, index_refs)
 
 def _process_artifact_type(ctx, artifact_name):

bazel/rules/rules_score/private/fmea.bzl

@@ -282,14 +282,18 @@ def _fmea_impl(ctx):
         lobster_files["root_causes.lobster"] = f
 
     # detail_rsts are NOT top-level toctree entries (they live in sub-toctrees
-    # within fmea.rst), but they must be present in the Sphinx tree. They go
-    # into deps so dependable_element symlinks them alongside toctree files.
+    # within fmea.rst), but they must be symlinked alongside fmea.rst so Sphinx
+    # can resolve the toctree references. They go into aux_srcs so that
+    # dependable_element symlinks them without adding them to the outer index.
     toctree_files = [f for f in output_files if f not in detail_rsts]
     all_sphinx_srcs = depset(toctree_files)
 
-    sphinx_deps = [all_sphinx_srcs, depset(detail_rsts)]
-    if ctx.attr.arch_design and SphinxSourcesInfo in ctx.attr.arch_design:
-        sphinx_deps.append(ctx.attr.arch_design[SphinxSourcesInfo].deps)
+    # Only include fmea's own generated files in the sphinx deps.  arch_design
+    # files are handled separately by dependable_element via its
+    # architectural_design attribute, so omitting them here avoids their RST
+    # wrappers being symlinked into the dependability_analysis/ section as
+    # orphaned documents.
+    sphinx_deps = [all_sphinx_srcs]
 
     return [
         DefaultInfo(
@@ -302,6 +306,7 @@ def _fmea_impl(ctx):
         SphinxSourcesInfo(
             srcs = all_sphinx_srcs,
             deps = depset(transitive = sphinx_deps),
+            aux_srcs = depset(detail_rsts),
         ),
     ]
 

bazel/rules/rules_score/private/requirements.bzl

@@ -125,6 +125,7 @@ def _requirements_impl(ctx):
         SphinxSourcesInfo(
             srcs = sphinx_srcs,
             deps = depset(transitive = transitive_sphinx),
+            aux_srcs = depset(),
         ),
     ]
 

bazel/rules/rules_score/private/sphinx_module.bzl

@@ -167,6 +167,7 @@ def _score_html_impl(ctx):
                 "json_path": dep[SphinxNeedsInfo].needs_json_file.path,  # Use direct file
                 "id_prefix": "",
                 "css_class": "",
+                "version": "1.0",
             }
     for dep in ctx.attr.deps:
         if SphinxModuleInfo in dep:

bazel/rules/rules_score/private/unit.bzl

@@ -96,6 +96,7 @@ def _unit_impl(ctx):
         SphinxSourcesInfo(
             srcs = all_files,
             deps = depset(transitive = [all_files] + sphinx_design_deps),
+            aux_srcs = depset(),
         ),
     ]
 

bazel/rules/rules_score/private/unit_design.bzl

@@ -95,6 +95,7 @@ def _unit_design_impl(ctx):
         SphinxSourcesInfo(
             srcs = all_source_files,
             deps = all_source_files,
+            aux_srcs = depset(),
         ),
     ]
 

bazel/rules/rules_score/providers.bzl

@@ -51,17 +51,24 @@ SphinxSourcesInfo = provider(
     this to enable integration with sphinx_module and dependable_element.
 
     Semantics:
-      srcs — Files directly owned/generated by this rule. Only these are
-             used as top-level toctree entries by dependable_element.
-             For leaf rules (no children), srcs == deps.
-      deps — All files needed in the Sphinx tree: own srcs plus all
-             transitive files from children. dependable_element symlinks
-             everything in deps into the output tree. Parent/container
-             rules bubble up children's deps into their own deps field.
+      srcs     — Files directly owned/generated by this rule. Only these are
+                 used as top-level toctree entries by dependable_element.
+                 For leaf rules (no children), srcs == deps.
+      deps     — All files needed in the Sphinx tree: own srcs plus all
+                 transitive files from children. dependable_element symlinks
+                 everything in deps into the output tree. Parent/container
+                 rules bubble up children's deps into their own deps field.
+      aux_srcs — Auxiliary files that must be present in the Sphinx source
+                 tree but must NOT appear as top-level toctree entries.
+                 Typically detail pages (e.g. detail_*_fta.rst) that are
+                 referenced from within another page's own toctree directive.
+                 dependable_element symlinks these alongside srcs/deps but
+                 does not add them to the outer index toctree.
     """,
     fields = {
         "srcs": "Depset of files directly owned by this rule (.rst, .md, .puml, etc.). Used by dependable_element as toctree entries.",
         "deps": "Depset of all files needed in the Sphinx tree — own srcs plus transitive deps from all children. For leaf rules, equals srcs.",
+        "aux_srcs": "Depset of files to symlink into the Sphinx tree but NOT add to the outer toctree (e.g. detail sub-pages referenced from within another page).",
     },
 )