Remove obsolete Doxygen and Sphinx documentation tooling

Author: bdice

.coderabbit.yaml

@@ -31,7 +31,7 @@ reviews:
   # Path-specific review instructions
   # Note: Detailed C++/CUDA and Python review guidelines are in cpp/REVIEW_GUIDELINES.md and python/REVIEW_GUIDELINES.md
   path_instructions:
-    - path: "docs/**/*"
+    - path: "fern/**/*"
       instructions: |
         For documentation changes, focus on:
         - Accuracy: Verify code examples compile and run correctly
@@ -43,15 +43,15 @@ reviews:
     - path: "c/include/cuvs/**/*"
       instructions: |
         For public C API headers, additionally check:
-        - Doxygen documentation for all public functions/classes
-        - API changes flagged for docs/ updates
+        - Doxygen-style source comments for all public functions/classes, consumed by the Fern API generator
+        - API changes flagged for fern/ updates
         - Breaking changes require deprecation warnings and migration guide updates
 
     - path: "cpp/include/cuvs/**/*"
       instructions: |
         For public C++ API headers, additionally check:
-        - Doxygen documentation for all public functions/classes
-        - API changes flagged for docs/ updates
+        - Doxygen-style source comments for all public functions/classes, consumed by the Fern API generator
+        - API changes flagged for fern/ updates
         - Breaking changes require deprecation warnings and migration guide updates
 
     - path: "notebooks/**/*"
@@ -82,5 +82,5 @@ knowledge_base:
     filePatterns:
       - "cpp/REVIEW_GUIDELINES.md"
       - "python/REVIEW_GUIDELINES.md"
-      - "docs/source/contributing.md"
-      - "docs/source/developer_guide.md"
+      - "fern/pages/contributing.md"
+      - "fern/pages/developer_guide.md"

.github/workflows/pr.yaml

@@ -276,7 +276,6 @@ jobs:
           - '!ci/validate_wheel.sh'
           - '!cpp/.clang-format'
           - '!cpp/.clang-tidy'
-          - '!cpp/doxygen/**'
           - '!CODEOWNERS'
           - '!Dockerfile'
           - '!README.md'
@@ -338,7 +337,6 @@ jobs:
           - '!conda/**'
           - '!cpp/.clang-format'
           - '!cpp/.clang-tidy'
-          - '!cpp/doxygen/**'
           - '!docs/**'
           - '!examples/**'
           - '!fern/**'

.gitignore

@@ -58,20 +58,9 @@ _skbuild
 *.qdstrm
 *.nvprof
 
-## doxygen build check inside ci/checks/style.sh
-doxygen_check/
-
 ## cibuildwheel
 /wheelhouse
 
-# doxygen
-_xml
-
-# sphinx
-_html
-_text
-docs/source/_static/rust
-
 # clang tooling
 compile_commands.json
 .clangd/

.pre-commit-config.yaml

@@ -173,7 +173,6 @@ repos:
             ^[.]pre-commit-config[.]yaml$
         exclude: |
           (?x)^(
-            docs/source/sphinxext/github_link[.]py$|
             cpp/cmake/modules/FindAVX[.]cmake$|
             cpp/src/neighbors/detail/faiss_distance_utils[.]h$|
             cpp/src/distance/detail/fused_distance_nn/gemm[.]h$|
@@ -185,13 +184,6 @@ repos:
             cpp/src/distance/detail/fused_distance_nn/custom_epilogue_with_broadcast[.]h$|
             rust/cuvs-sys/src/bindings[.]rs$
           )
-      - id: verify-copyright
-        name: verify-copyright-scikit-learn
-        args: [--fix, --spdx, "--spdx-license-identifier=Apache-2.0 AND BSD-3-Clause"]
-        files: |
-          (?x)^(
-            docs/source/sphinxext/github_link[.]py$
-          )
       - id: verify-copyright
         name: verify-copyright-cutlass
         args: [--fix, --spdx, "--spdx-license-identifier=Apache-2.0 AND BSD-3-Clause"]

README.md

@@ -198,7 +198,7 @@ For more code examples of the Rust APIs, including a drop-in project templates,
 
 ## Contributing
 
-If you are interested in contributing to the cuVS library, please read our [Contributing guidelines](docs/source/contributing.md). Refer to the [Developer Guide](docs/source/developer_guide.md) for details on the developer guidelines, workflows, and principles.
+If you are interested in contributing to the cuVS library, please read our [Contributing guidelines](fern/pages/contributing.md). Refer to the [Developer Guide](fern/pages/developer_guide.md) for details on the developer guidelines, workflows, and principles.
 
 ## References