Add github templates

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,102 @@
+name: Bug report
+description: Report a reproducible problem in Mocktail
+title: "[Bug]: "
+labels:
+  - bug
+assignees: []
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Please include enough detail for someone else to reproduce the bug.
+
+        Use any language you are comfortable with. The maintainer can read Russian and English directly, so either is preferred. If you are more comfortable in another language, use it.
+
+        Please write issues and pull requests yourself. Do not use AI-generated text.
+
+  - type: input
+    id: version
+    attributes:
+      label: Mocktail version
+      description: Provide the release version, package version, or commit hash.
+      placeholder: "For example: v0.4.0 or 1a2b3c4"
+    validations:
+      required: true
+
+  - type: input
+    id: system
+    attributes:
+      label: System information
+      description: Include your distribution, desktop session, GPU, and graphics driver when relevant.
+      placeholder: "For example: Arch Linux, KDE Plasma 6 on Wayland, AMD RX 6600, Mesa 26.1"
+    validations:
+      required: true
+
+  - type: input
+    id: installation
+    attributes:
+      label: Installation method
+      description: Tell us how Mocktail was installed or built.
+      placeholder: "For example: AppImage, Flatpak, AUR, or built from source"
+    validations:
+      required: true
+
+  - type: textarea
+    id: problem
+    attributes:
+      label: What happened?
+      description: Describe the problem and its impact.
+    validations:
+      required: true
+
+  - type: textarea
+    id: reproduction
+    attributes:
+      label: Steps to reproduce
+      description: List the smallest reliable sequence of actions that triggers the problem.
+      placeholder: |
+        1. Start Mocktail with ...
+        2. Open ...
+        3. Select ...
+        4. Observe ...
+    validations:
+      required: true
+
+  - type: textarea
+    id: expected
+    attributes:
+      label: Expected behavior
+      description: Explain what you expected to happen instead.
+    validations:
+      required: true
+
+  - type: markdown
+    attributes:
+      value: |
+        Latest log:
+
+        - Flatpak: `~/.var/app/space.bigrat.mocktail/.local/state/mocktail/logs/latest.log`
+        - Other installs: `~/.local/state/mocktail/logs/latest.log`
+
+        Older logs are in the `sessions` directory next to `latest.log`.
+
+  - type: textarea
+    id: logs
+    attributes:
+      label: Logs
+      description: Paste the relevant part of latest.log or the terminal output.
+      render: shell
+
+  - type: textarea
+    id: additional-context
+    attributes:
+      label: Additional context
+      description: Add screenshots, videos, workarounds, or any other useful details.
+
+  - type: checkboxes
+    id: checks
+    attributes:
+      label: Before submitting
+      options:
+        - label: I searched the existing issues and did not find a duplicate.
+          required: true

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,2 @@
+blank_issues_enabled: true
+contact_links: []

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,51 @@
+name: Feature request
+description: Suggest an improvement or a new capability for Mocktail
+title: "[Feature]: "
+labels:
+  - enhancement
+assignees: []
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Describe what you want to change and why it would be useful.
+
+        Use any language you are comfortable with. The maintainer can read Russian and English directly, so either is preferred. If you are more comfortable in another language, use it.
+
+        Please write issues and pull requests yourself. Do not use AI-generated text.
+
+  - type: textarea
+    id: problem
+    attributes:
+      label: Problem or use case
+      description: What are you trying to do, and what makes it difficult today?
+    validations:
+      required: true
+
+  - type: textarea
+    id: proposal
+    attributes:
+      label: Proposed solution
+      description: Describe how you would like Mocktail to behave.
+    validations:
+      required: true
+
+  - type: textarea
+    id: alternatives
+    attributes:
+      label: Alternatives considered
+      description: Describe any workarounds or alternative designs you have considered.
+
+  - type: textarea
+    id: additional-context
+    attributes:
+      label: Additional context
+      description: Add mockups, screenshots, links, or implementation notes if useful.
+
+  - type: checkboxes
+    id: checks
+    attributes:
+      label: Before submitting
+      options:
+        - label: I searched the existing issues and did not find a duplicate.
+          required: true

.github/pull_request_template.md

@@ -0,0 +1,3 @@
+<!-- Briefly describe what this pull request adds, changes, or removes. Write it yourself and do not use AI-generated text. Link the issue with "Closes #123" or "Fixes #123". -->
+
+Closes #