chore: import upstream snapshot with attribution

.github/FUNDING.yml

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+github: [Andyyyy64]

.github/ISSUE_TEMPLATE/bug_report.yml

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+name: Bug Report
+description: Report a bug or unexpected behavior
+labels: ["bug"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for reporting a bug! Please fill out the information below.
+  - type: textarea
+    id: description
+    attributes:
+      label: Description
+      description: What happened? What did you expect to happen?
+    validations:
+      required: true
+  - type: textarea
+    id: reproduce
+    attributes:
+      label: Steps to Reproduce
+      description: How can we reproduce this issue?
+      placeholder: |
+        1. Run `whichllm --gpu "RTX 4090"`
+        2. ...
+    validations:
+      required: true
+  - type: textarea
+    id: hardware
+    attributes:
+      label: Hardware Info
+      description: Paste the output of `whichllm hardware`
+      render: shell
+  - type: input
+    id: python-version
+    attributes:
+      label: Python Version
+      placeholder: "3.11"
+  - type: input
+    id: os
+    attributes:
+      label: Operating System
+      placeholder: "Ubuntu 24.04 / macOS 15 / Windows 11"
+  - type: input
+    id: version
+    attributes:
+      label: whichllm Version
+      placeholder: "0.3.0"

.github/ISSUE_TEMPLATE/feature_request.yml

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+name: Feature Request
+description: Suggest a new feature or improvement
+labels: ["enhancement"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for suggesting a feature! Please describe what you'd like to see.
+  - type: textarea
+    id: problem
+    attributes:
+      label: Problem
+      description: What problem does this feature solve?
+    validations:
+      required: true
+  - type: textarea
+    id: solution
+    attributes:
+      label: Proposed Solution
+      description: How would you like this to work?
+    validations:
+      required: true
+  - type: textarea
+    id: alternatives
+    attributes:
+      label: Alternatives Considered
+      description: Any alternative solutions you've considered?

.github/PULL_REQUEST_TEMPLATE.md

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+## What
+
+<!-- Brief description of changes -->
+
+## Why
+
+<!-- Why is this change needed? Link to issue if applicable -->
+
+## Testing
+
+- [ ] Tests pass (`pytest`)
+- [ ] New tests added (if applicable)
+- [ ] Tested on real hardware (if hardware-related)
+
+## Notes
+
+<!-- Any additional context -->

.github/workflows/lint.yml

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+name: Lint
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v5
+      - name: Set up Python
+        uses: actions/setup-python@v6
+        with:
+          python-version: "3.13"
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install ruff
+      - name: Run Ruff linter
+        run: ruff check .
+      - name: Run Ruff formatter check
+        run: ruff format --check .

.github/workflows/publish.yml

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+name: Publish to PyPI
+
+on:
+  release:
+    types: [published]
+
+permissions:
+  id-token: write
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    environment: pypi
+    steps:
+      - uses: actions/checkout@v5
+      - name: Set up Python
+        uses: actions/setup-python@v6
+        with:
+          python-version: "3.13"
+      - name: Install build tools
+        run: |
+          python -m pip install --upgrade pip
+          pip install build
+      - name: Build package
+        run: python -m build
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1

.github/workflows/test.yml

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+name: Tests
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.11", "3.12", "3.13"]
+
+    steps:
+      - uses: actions/checkout@v5
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v6
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -e .
+          pip install pytest pyarrow
+      - name: Run tests
+        run: pytest