feat: add Codecov coverage upload and CodeRabbit config

Author: n24q02m

.coderabbit.yaml

@@ -0,0 +1,25 @@
+# yaml-language-server: $schema=https://coderabbit.ai/integrations/schema.v2.json
+language: "en-US"
+early_access: false
+
+reviews:
+  profile: "assertive"
+  request_changes_workflow: false
+  high_level_summary: true
+  poem: false
+  review_status: true
+  auto_review:
+    enabled: true
+    drafts: false
+  path_filters:
+    - "!uv.lock"
+    - "!**/*.generated.*"
+    - "!**/*.onnx"
+  path_instructions:
+    - path: "qwen3_embed/common/**"
+      instructions: "Review for ONNX Runtime performance: session options, memory management, batch processing efficiency."
+    - path: "qwen3_embed/text/**"
+      instructions: "Review for embedding correctness: pooling strategies, normalization, tokenizer handling."
+
+chat:
+  auto_reply: true

.github/workflows/ci.yml

@@ -25,7 +25,14 @@ jobs:
       - run: uv sync --group dev
       - run: uv run ruff check .
       - run: uv run ruff format --check .
-      - run: uv run pytest -m "not integration" --tb=short
+      - run: uv run pytest -m "not integration" --tb=short --cov=qwen3_embed --cov-report=xml
+
+      - name: Upload coverage to Codecov
+        if: github.event_name == 'push'
+        uses: codecov/codecov-action@v5
+        with:
+          files: coverage.xml
+          token: ${{ secrets.CODECOV_TOKEN }}
 
   dependency-review:
     name: Dependency Review

pyproject.toml

@@ -35,6 +35,7 @@ Repository = "https://github.com/n24q02m/qwen3-embed"
 [dependency-groups]
 dev = [
     "pytest>=8.0",
+    "pytest-cov>=7.0.0",
     "ruff>=0.11",
     "ty>=0.0.17",
 ]