refactor(repo): simplify repository and stabilize linux cuda builds

.githooks/pre-commit

@@ -30,7 +30,7 @@ done
 if [ $FAILED -ne 0 ]; then
   echo ""
   echo "Fix formatting then re-stage:"
-  echo "  find src include tests benchmarks -type f \\( -name '*.cpp' -o -name '*.h' -o -name '*.cu' \\) | xargs $CLANG_FORMAT -i"
+  echo "  find src include tests -type f \\( -name '*.cpp' -o -name '*.h' -o -name '*.cu' \\) | xargs $CLANG_FORMAT -i"
   exit 1
 fi
 

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -109,5 +109,5 @@ body:
       options:
         - label: I have checked that this bug has not been reported before
           required: true
-        - label: I have read the documentation at https://lessup.github.io/gpu-spmv/
+        - label: I have read the documentation at https://aicl-lab.github.io/gpu-spmv/
           required: false

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -6,7 +6,7 @@ body:
   - type: markdown
     attributes:
       value: |
-        Thanks for suggesting a new feature! Please fill out the sections below.
+        Thanks for suggesting a new feature. Keep the request focused on the core SpMV library.
 
   - type: textarea
     id: problem
@@ -44,27 +44,24 @@ body:
     validations:
       required: true
 
-  - type: textarea
-    id: code-example
-    attributes:
-      label: Proposed API (if applicable)
-      description: If this involves new API, show how it might look
-      render: cpp
-      placeholder: |
-        // Example of how the new API might be used
-        SpMVResult result = spmv_new_feature(...);
-
-- type:checkboxes
-            id:spec - driven
-    attributes:
-         label:Spec - Driven Development
-       options:-
-         label:I understand this feature would require a spec in `openspec /
-               specs /` before implementation
-      required:true
+ - type: textarea
+   id: code-example
+   attributes:
+     label: Proposed API (if applicable)
+     description: If this involves a new API, show how it might look.
+     render: cpp
+     placeholder: |
+       // Example of how the new API might be used
+       SpMVResult result = spmv_new_feature(...);
+   validations:
+     required: false
 
-               -
-          type:checkboxes id:checklist attributes:label:Checklist options:-
-         label:I have checked that this feature has not been requested before
-      required:true -
-         label:I have read the existing specs in `openspec / specs /` required:false
+ - type: checkboxes
+   id: checklist
+   attributes:
+     label: Checklist
+     options:
+       - label: I have checked that this feature has not been requested before.
+         required: true
+       - label: This request belongs in the core SpMV library rather than in project tooling or documentation site experiments.
+         required: true

.github/PULL_REQUEST_TEMPLATE.md

@@ -11,20 +11,11 @@
 - [ ] 🔧 Build/CI improvement
 - [ ] ♻️ Refactoring (no functional changes)
 
-## Spec Updates
-
-This project follows **Spec-Driven Development**. If this PR modifies behavior:
-
-- [ ] Updated `openspec/specs/<feature>/spec.md`
-- [ ] Updated `openspec/specs/public-api/spec.md` (if API changed)
-- [ ] Created proposal in `openspec/changes/active/` (for new features)
-
 ## Testing
 
-- [ ] All tests pass: `ctest --preset default`
+- [ ] All relevant tests pass (`ctest --preset cuda-linux` on Linux CUDA, or `ctest --test-dir build-no-cuda --output-on-failure` for CPU-only)
 - [ ] Added new tests for new functionality
-- [ ] Property tests run with ≥ 100 iterations
-- [ ] Code formatted: `find src include tests benchmarks -type f \( -name "*.cpp" -o -name "*.h" -o -name "*.cu" \) | xargs clang-format -i`
+- [ ] Code formatted: `find src include tests -type f \( -name "*.cpp" -o -name "*.h" -o -name "*.cu" \) | xargs clang-format -i`
 
 ## Code Quality
 
@@ -37,7 +28,6 @@ This project follows **Spec-Driven Development**. If this PR modifies behavior:
 
 - [ ] Updated README.md and/or README.zh-CN.md (if applicable)
 - [ ] Updated docs/ (if user-facing change)
-- [ ] Updated CHANGELOG.md
 
 ## Additional Notes
 

.github/workflows/ci.yml

@@ -29,7 +29,7 @@ jobs:
 
       - name: Check formatting
         run: |
-          find src include tests benchmarks -type f \( -name '*.cpp' -o -name '*.h' -o -name '*.cu' \) \
+          find src include tests -type f \( -name '*.cpp' -o -name '*.h' -o -name '*.cu' \) \
             | xargs clang-format-18 --dry-run --Werror
 
   build-cpu:
@@ -53,5 +53,4 @@ jobs:
       - name: Verify build artifacts
         run: |
           test ! -e build/spmv_tests || echo "Warning: spmv_tests found in no-CUDA build"
-          test ! -e build/spmv_benchmark || echo "Warning: spmv_benchmark found in no-CUDA build"
           echo "CPU-only build completed successfully"

.github/workflows/pages.yml

@@ -6,7 +6,6 @@ on:
     paths:
       - 'docs/**'
       - '.github/workflows/pages.yml'
-      - 'CHANGELOG.md'
   workflow_dispatch:
 
 permissions:
@@ -64,10 +63,6 @@ jobs:
         working-directory: docs
         run: npm install --no-package-lock
 
-      - name: Sync changelog
-        working-directory: docs
-        run: npm run sync
-
       - name: Verify docs site
         working-directory: docs
         run: npm run verify:site

.gitignore

@@ -38,15 +38,5 @@ Testing/
 .DS_Store
 Thumbs.db
 
-# Claude Code personal preferences
-CLAUDE.local.md
-
-# AI tool local settings
-.claude/settings.local.json
-.claude/skills/
-
-# OMC runtime state (not to be committed)
-.omc/
-
 # Git worktrees
 .worktrees/