Add highest and lowest dependency testing in CI

.github/workflows/ci.yml

@@ -9,6 +9,9 @@ on:
 jobs:
   lint:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        resolution: [highest, lowest-direct]
     steps:
       - name: Check out repository code
         uses: actions/checkout@v5
@@ -18,21 +21,22 @@ jobs:
           # Use oldest supported Python version for linting to ensure compatibility
           python-version: "3.10"
       - name: Install dependencies
-        run: uv sync --dev
+        run: uv sync --dev --resolution=${{ matrix.resolution }}
       - name: Run ruff linting
-        run: uv run ruff check
+        run: uv run --no-sync ruff check
       - name: Check code formatting
-        run: uv run ruff format --check
+        run: uv run --no-sync ruff format --check
       - name: Run mypy type checking
-        run: uv run mypy .
+        run: uv run --no-sync mypy .
 
   test:
-    name: Test Python ${{ matrix.python-version }}
+    name: Test Python ${{ matrix.python-version }} - ${{ matrix.resolution }}
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
+        resolution: [highest, lowest-direct]
 
     steps:
       - name: Check out repository code
@@ -44,7 +48,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install dependencies
-        run: uv sync --dev
+        run: uv sync --dev --resolution=${{ matrix.resolution }}
 
       - name: Run tests
-        run: uv run pytest
+        run: uv run --no-sync pytest

CHANGELOG.md

@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 - Replaced `Make` with `just` for development commands
+- Relaxed dependency version requirements.
 
 ### Deprecated
 - `CSVDataFeed` - Use `PolarsDataFeed` instead for loading data from CSV files

pyproject.toml

@@ -30,11 +30,11 @@ classifiers = [
     'Topic :: Software Development',
 ]
 dependencies = [
-    "httpx>=0.28.1",
-    "polars>=1.35.2",
-    "plotly>=5.18.0",
+    "httpx>=0.28.0",
+    "polars>=1.0.0",
+    "plotly>=5.0.0",
     "python-dotenv>=1.0.0",
-    "typing-extensions>=4.15.0",
+    "typing-extensions>=4.6.0",
 ]
 
 [project.urls]
@@ -75,11 +75,11 @@ pythonpath = ["."]
 
 [dependency-groups]
 dev = [
-    "mkdocs-material>=9.6.21",
+    "mkdocs-material>=9.7.1",
     "mkdocstrings[python]>=0.24.0",
     "mypy>=1.18.2",
     "plotly-stubs>=0.0.6",
-    "pytest>=8.4.2",
+    "pytest>=9.0.0",
     "pytest-cov>=7.0.0",
     "pytest-httpx>=0.35.0",
     "ruff>=0.14.0",