Prepare project for public release

.github/ISSUE_TEMPLATE/bug_report.yml

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+name: Bug report
+description: Report reproducible incorrect behavior
+title: "[Bug]: "
+labels: ["bug"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Do not include credentials, private addresses, AP names, `config.ini`,
+        `.env`, `state.json`, or unredacted logs. Report security issues using
+        the private process in SECURITY.md.
+  - type: input
+    id: version
+    attributes:
+      label: Version or commit
+      placeholder: v0.1.0 or commit SHA
+    validations:
+      required: true
+  - type: dropdown
+    id: installation
+    attributes:
+      label: Installation mode
+      options:
+        - Docker Compose
+        - systemd
+        - Manual Python invocation
+    validations:
+      required: true
+  - type: input
+    id: runtime
+    attributes:
+      label: Runtime
+      description: Python version, or Docker Engine and Compose versions
+    validations:
+      required: true
+  - type: input
+    id: controller
+    attributes:
+      label: Controller model and IOS XE version
+      description: Do not include hostnames, addresses, serial numbers, or AP names.
+    validations:
+      required: true
+  - type: textarea
+    id: steps
+    attributes:
+      label: Steps to reproduce
+    validations:
+      required: true
+  - type: textarea
+    id: expected
+    attributes:
+      label: Expected behavior
+    validations:
+      required: true
+  - type: textarea
+    id: actual
+    attributes:
+      label: Actual behavior and redacted logs
+    validations:
+      required: true
+  - type: checkboxes
+    id: privacy
+    attributes:
+      label: Data-safety confirmation
+      options:
+        - label: I removed credentials, private infrastructure details, and personal data.
+          required: true

.github/dependabot.yml

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+version: 2
+updates:
+  - package-ecosystem: pip
+    directory: /
+    schedule:
+      interval: monthly
+  - package-ecosystem: docker
+    directory: /
+    schedule:
+      interval: monthly
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: monthly

.github/pull_request_template.md

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+## Summary
+
+Describe the problem and the focused solution.
+
+## Verification
+
+- [ ] `python -m py_compile wlc_monitor.py`
+- [ ] `python -m unittest discover -v`
+- [ ] `python -m pip check`
+- [ ] Docker checks run, or not applicable
+- [ ] User-facing documentation updated, or not applicable
+- [ ] No credentials, private infrastructure data, runtime state, or personal data
+      are present in the diff
+
+## Operational impact
+
+Call out compatibility, configuration, alerting, state-migration, or deployment
+effects.

.github/workflows/ci.yml

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+name: CI
+
+on:
+  push:
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.10", "3.12", "3.13"]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: pip
+      - run: python -m pip install --upgrade pip
+      - run: python -m pip install -r requirements.txt
+      - run: python -m py_compile wlc_monitor.py
+      - run: python -m unittest discover -v
+      - run: python -m pip check
+
+  container:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - run: cp .env.example .env
+      - run: docker compose config --quiet
+      - run: docker build --tag wlc-monitor:test .