Develop implementation of .github protocol

.github/CODEOWNERS

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+* @senyo888
+
+custom_components/ @senyo888
+.github/ @senyo888

.github/ISSUE_TEMPLATE/bug_report.yml

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+name: Bug report
+description: Report something that is not working.
+title: "[Bug]: "
+labels: ["bug"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Please redact private entity IDs, URLs, tokens, addresses, and personal data.
+  - type: input
+    id: hi-version
+    attributes:
+      label: Humidity Intelligence version
+      placeholder: "2.0.3"
+    validations:
+      required: true
+  - type: input
+    id: ha-version
+    attributes:
+      label: Home Assistant version
+      placeholder: "2026.4.3"
+    validations:
+      required: true
+  - type: dropdown
+    id: install-method
+    attributes:
+      label: Install method
+      options:
+        - HACS
+        - Manual
+        - Other / unsure
+    validations:
+      required: true
+  - type: input
+    id: browser-app
+    attributes:
+      label: Browser/app, if relevant
+      placeholder: "Chrome, HA iOS app, etc."
+  - type: textarea
+    id: problem
+    attributes:
+      label: What happened?
+      description: Include expected behaviour, actual behaviour, and steps to reproduce.
+    validations:
+      required: true
+  - type: dropdown
+    id: refresh-ui
+    attributes:
+      label: Did you run `humidity_intelligence.refresh_ui` after updating?
+      options:
+        - "Yes"
+        - "No"
+        - "Not relevant"
+        - "Unsure"
+    validations:
+      required: true
+  - type: textarea
+    id: logs
+    attributes:
+      label: Logs, entities, or screenshots
+      description: Paste relevant redacted logs/config and attach screenshots if useful.
+      render: text

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: false

.github/ISSUE_TEMPLATE/config_help.yml

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+name: Configuration help
+description: Ask for setup or configuration help.
+title: "[Config help]: "
+labels: ["question"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Please redact private entity IDs, URLs, tokens, addresses, and personal data.
+  - type: textarea
+    id: goal
+    attributes:
+      label: Goal
+      description: What are you trying to configure or achieve?
+    validations:
+      required: true
+  - type: textarea
+    id: setup
+    attributes:
+      label: Current setup
+      description: Which sensors, outputs, zones, or alert-only settings are configured?
+    validations:
+      required: true
+  - type: textarea
+    id: stuck
+    attributes:
+      label: What is unclear or unavailable?
+      description: Include redacted YAML/logs if useful.
+      render: text
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/feature_request.yml

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+name: Feature request
+description: Suggest an improvement.
+title: "[Feature]: "
+labels: ["enhancement"]
+body:
+  - type: textarea
+    id: request
+    attributes:
+      label: Request
+      description: What problem would this solve, and what behaviour would you like?
+    validations:
+      required: true
+  - type: textarea
+    id: fit
+    attributes:
+      label: Why it fits Humidity Intelligence
+      description: Explain why this belongs in the integration.
+    validations:
+      required: true
+  - type: checkboxes
+    id: areas
+    attributes:
+      label: Area
+      options:
+        - label: Backend/runtime
+        - label: UI/dashboard
+        - label: Config flow
+        - label: Documentation
+        - label: UI Gallery

.github/ISSUE_TEMPLATE/ui_gallery_submission.yml

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+name: UI Gallery submission
+description: Submit a reusable dashboard/card example.
+title: "[UI Gallery]: "
+labels: ["ui-gallery"]
+body:
+  - type: input
+    id: card-name
+    attributes:
+      label: Card name
+    validations:
+      required: true
+  - type: input
+    id: folder
+    attributes:
+      label: Folder path
+      placeholder: "/ui-gallery/<card-id>/"
+    validations:
+      required: true
+  - type: textarea
+    id: files
+    attributes:
+      label: Included files
+      description: List the README, YAML file, and preview PNG.
+      placeholder: |
+        README.md
+        card.yaml
+        preview.png
+    validations:
+      required: true
+  - type: checkboxes
+    id: confirmations
+    attributes:
+      label: Confirmations
+      options:
+        - label: No private entity IDs, secrets, addresses, or personal data are included.
+          required: true
+        - label: Canonical backend entities/helpers are preserved.
+          required: true
+        - label: The PR targets `develop`.
+          required: true

.github/dependabot.yml

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+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: weekly

.github/pull_request_template.md

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+## Summary
+
+<!-- What changed and why? -->
+
+## Type
+
+- [ ] Fix
+- [ ] Feature
+- [ ] Documentation
+- [ ] UI Gallery
+- [ ] Maintenance
+
+## Checks
+
+- [ ] PR targets `develop`.
+- [ ] Tested in Home Assistant, or testing notes explain why not.
+- [ ] Restart/config flow checked where relevant.
+- [ ] Ran `humidity_intelligence.refresh_ui` or refreshed dashboards where UI output changed.
+- [ ] Docs/changelog updated where needed.
+- [ ] No private entity IDs, secrets, addresses, or personal data included.
+- [ ] HACS/custom integration metadata still looks correct.
+
+## UI Gallery submissions
+
+- [ ] Uses `/ui-gallery/<card-id>/`.
+- [ ] Includes `README.md`, YAML, and `preview.png`.
+- [ ] Preserves canonical Humidity Intelligence backend entities/helpers.

.github/workflows/hacs.yml

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+name: HACS Validation
+
+on:
+  push:
+  pull_request:
+  schedule:
+    - cron: "0 0 * * *"
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v5
+
+      - name: HACS Action
+        uses: hacs/action@main
+        with:
+          category: integration

.github/workflows/release.yml

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+name: Release check
+
+on:
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Validate release files
+        shell: bash
+        run: |
+          set -euo pipefail
+          test -f README.md
+          test -f hacs.json
+          python - <<'PY'
+          import json
+          from pathlib import Path
+
+          manifests = list(Path("custom_components").glob("*/manifest.json"))
+          if Path("manifest.json").exists():
+              manifests.append(Path("manifest.json"))
+
+          if not manifests:
+              raise SystemExit("No manifest.json found.")
+
+          for path in manifests:
+              data = json.loads(path.read_text(encoding="utf-8"))
+              if not data.get("version"):
+                  raise SystemExit(f"{path} has no version.")
+              print(f"{path}: {data['version']}")
+          PY
+
+      - name: Note
+        run: echo "This workflow validates release readiness only; it does not publish."