[mc-26.2] Upport DedicatedPower to Minecraft 26.2 and improve GUI, MOTD editor and stability

.github/ISSUE_TEMPLATE/bug_report-en.yml

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+name: "🐛 Bug Report (English)"
+description: "Something is not working as expected? Help us investigate it."
+title: "[Bug]: "
+labels:
+  - "bug"
+body:
+  - type: markdown
+    attributes:
+      value: |
+        ### 🛠️ DedicatedPower Bug Report
+
+        Thank you for helping improve DedicatedPower. Please provide as much technical detail as possible, especially when reporting a Minecraft or Fabric compatibility problem.
+
+  - type: checkboxes
+    id: checklist
+    attributes:
+      label: Pre-flight checklist
+      description: Please confirm these points before submitting the report.
+      options:
+        - label: I have searched the existing issues and this does not appear to be a duplicate.
+          required: true
+        - label: I am using a supported and unmodified Minecraft/Fabric installation, or I have listed my other mods below.
+          required: true
+        - label: I have included the relevant crash report, latest.log, or server log when available.
+          required: true
+
+  - type: dropdown
+    id: area
+    attributes:
+      label: Affected area
+      description: Which part of DedicatedPower is affected?
+      options:
+        - Dedicated server GUI startup
+        - Server console and log panel
+        - Command input or autocomplete
+        - Player list or player management
+        - Player statistics and performance graphs
+        - Server menu bar
+        - World settings or game rules
+        - Backup, export, or server tools
+        - Mixin or access widener failure
+        - Build or development environment
+        - Other
+    validations:
+      required: true
+
+  - type: dropdown
+    id: frequency
+    attributes:
+      label: Reproduction frequency
+      description: How often can you reproduce the problem?
+      options:
+        - Always (100%)
+        - Often (more than 50%)
+        - Sometimes (less than 50%)
+        - Rarely (once or twice)
+        - I cannot reproduce it consistently
+    validations:
+      required: true
+
+  - type: textarea
+    id: summary
+    attributes:
+      label: What happened?
+      description: Describe the problem clearly and explain what you were doing when it occurred.
+      placeholder: "When I start the dedicated server, ..."
+    validations:
+      required: true
+
+  - type: textarea
+    id: reproduce
+    attributes:
+      label: Steps to reproduce
+      description: Provide precise steps that allow someone else to reproduce the issue.
+      placeholder: |
+        1. Install Minecraft ...
+        2. Install Fabric Loader ...
+        3. Add DedicatedPower ...
+        4. Start the dedicated server ...
+        5. Open or use ...
+      value: |
+        1.
+        2.
+        3.
+        4.
+    validations:
+      required: true
+
+  - type: textarea
+    id: expected-actual
+    attributes:
+      label: Expected behavior vs. actual behavior
+      description: What did you expect to happen, and what happened instead?
+      placeholder: |
+        Expected:
+
+        Actual:
+    validations:
+      required: true
+
+  - type: markdown
+    attributes:
+      value: "---"
+
+  - type: input
+    id: dedicatedpower-version
+    attributes:
+      label: DedicatedPower version or commit
+      description: Include the release version, build artifact version, or Git commit you are using.
+      placeholder: "26.2-1.0.0-beta or abc1234"
+    validations:
+      required: true
+
+  - type: input
+    id: minecraft-version
+    attributes:
+      label: Minecraft version
+      description: Include the exact version, for example 26.2.
+      placeholder: "26.2"
+    validations:
+      required: true
+
+  - type: input
+    id: loader-version
+    attributes:
+      label: Fabric Loader version
+      placeholder: "0.19.3"
+    validations:
+      required: true
+
+  - type: input
+    id: fabric-api-version
+    attributes:
+      label: Fabric API version
+      description: Write "not installed" if you are testing without Fabric API.
+      placeholder: "0.152.0+26.2"
+    validations:
+      required: true
+
+  - type: input
+    id: java-version
+    attributes:
+      label: Java version
+      description: Include the full output of java -version when possible.
+      placeholder: "Java 25.0.x"
+    validations:
+      required: true
+
+  - type: dropdown
+    id: operating-system
+    attributes:
+      label: Operating system
+      options:
+        - Windows 11
+        - Windows 10
+        - macOS
+        - Linux
+        - Other
+    validations:
+      required: true
+
+  - type: textarea
+    id: mods
+    attributes:
+      label: Other installed mods
+      description: List all other mods and their versions, or write "DedicatedPower only".
+      placeholder: |
+        - Mod name - version
+        - Mod name - version
+
+  - type: textarea
+    id: logs
+    attributes:
+      label: Logs or crash report
+      description: Paste the relevant log or crash report here and remove sensitive information such as IP addresses or passwords.
+      placeholder: |
+        Paste the relevant log or crash report here.
+      render: shell
+
+  - type: textarea
+    id: screenshots
+    attributes:
+      label: Screenshots or recordings
+      description: Drag and drop screenshots or recordings here if they help demonstrate the issue.
+
+  - type: textarea
+    id: additional-context
+    attributes:
+      label: Additional context
+      description: Add anything else that may help, such as recent updates, configuration changes, or a minimal reproduction.
+      placeholder: "This started after ..."

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: false
+contact_links:
+  - name: "💬 GitHub Discussions"
+    url: "https://github.com/PiBOH/DedicatedPower/discussions"
+    about: "Use Discussions for questions, setup help, compatibility questions, and general support."

.github/ISSUE_TEMPLATE/feature_request-en.yml

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+name: "🚀 Feature Request (English)"
+description: "Have an idea to improve DedicatedPower? Tell us about it."
+title: "[Feature]: "
+labels:
+  - "enhancement"
+body:
+  - type: markdown
+    attributes:
+      value: |
+        ### 💡 DedicatedPower Feature Proposal
+
+        We welcome practical ideas that make dedicated Minecraft server management easier, safer, and more powerful.
+
+  - type: checkboxes
+    id: checklist
+    attributes:
+      label: Pre-flight checklist
+      description: Please check these points before submitting your proposal.
+      options:
+        - label: I have searched the existing issues and this idea has not already been proposed.
+          required: true
+        - label: This proposal is specifically related to DedicatedPower or its dedicated server workflow.
+          required: true
+        - label: I have separated this proposal from unrelated bugs or general Minecraft support questions.
+          required: true
+
+  - type: dropdown
+    id: category
+    attributes:
+      label: Feature category
+      description: Which area would this proposal improve?
+      options:
+        - Dedicated server GUI
+        - Console, logs, or command autocomplete
+        - Player list or player administration
+        - Performance monitoring or statistics
+        - Server, world, or game rule management
+        - Backups, exports, or server maintenance
+        - Minecraft 26.2 or future-version compatibility
+        - Accessibility or usability
+        - Developer tooling or documentation
+        - Other
+    validations:
+      required: true
+
+  - type: textarea
+    id: problem
+    attributes:
+      label: What problem would this solve?
+      description: Explain the current limitation, workflow problem, or use case behind your proposal.
+      placeholder: "When managing a dedicated server, it is difficult to ..."
+    validations:
+      required: true
+
+  - type: textarea
+    id: proposal
+    attributes:
+      label: What would you like to see?
+      description: Describe the feature in detail, including how it should work from a user's perspective.
+      placeholder: "I would like DedicatedPower to ..."
+    validations:
+      required: true
+
+  - type: textarea
+    id: alternatives
+    attributes:
+      label: Alternatives considered
+      description: Describe any alternative solution, workaround, command, or existing mod feature you have considered.
+      placeholder: "I have considered ..."
+
+  - type: textarea
+    id: implementation
+    attributes:
+      label: Implementation ideas
+      description: If you have technical ideas, mention relevant Minecraft, Fabric, Swing, mixin, or API details. This section is optional.
+      placeholder: "A possible implementation could use ..."
+
+  - type: textarea
+    id: mockups
+    attributes:
+      label: Mockups, examples, or extra context
+      description: Drag and drop screenshots, sketches, links, command examples, or other supporting material here.
+      placeholder: "Example layout, screenshot, or reference: ..."

.github/pull_request_template.md

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+---
+name: "PR Template"
+about: "Template for creating Pull Requests"
+---
+
+## 📝 Description
+
+Provide a clear and concise description of the changes introduced by this Pull Request.
+
+---
+
+## 🔗 Linked Issues
+
+Specify any issues linked to this Pull Request (use `Closes #X` or `Fixes #X` to auto-close them).
+
+- Closes #
+
+---
+
+## 🛠️ Type of Change
+
+Select the type of change introduced by this PR:
+
+- [ ] 🐛 **Bug Fix** (non-breaking change which fixes an issue)
+- [ ] ✨ **New Feature** (non-breaking change which adds functionality)
+- [ ] 🚀 **Optimization / Performance** (improvements in code execution)
+- [ ] 🎨 **UI / Styling** (visual improvements without logic changes)
+- [ ] 📄 **Documentation** (changes or additions to documentation)
+- [ ] 🧪 **Testing** (adding or fixing tests)
+
+---
+
+## 🧪 How Has This Been Tested?
+
+Describe the tests you ran to verify your changes. Provide instructions so we can reproduce.
+
+- [ ] **Local Build**: Tested locally using `./gradlew build`.
+- [ ] **Dedicated Server**: Verified the mod loads on a dedicated Minecraft server.
+
+---
+
+## ✅ Checklist
+
+Please check all the boxes that apply to your PR:
+
+- [ ] My code follows the code style guidelines of this project.
+- [ ] I have performed a self-review of my own code.
+- [ ] I have commented my code, particularly in hard-to-understand areas.
+- [ ] I have updated the documentation / `docs/` folder accordingly.
+- [ ] My changes generate no new warnings or build errors.