Streamline issue submission with YAML forms (#1608)

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,52 @@
+name: Bug Report
+description: Report a bug to help us improve Gemini CLI
+labels: ['kind/bug', 'status/need-triage']
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out this bug report! Please search [existing issues](https://github.com/google-gemini/gemini-cli/issues) to see if an issue already exists for the bug you encountered.
+
+  - type: textarea
+    id: problem
+    attributes:
+      label: What happened?
+      description: A clear and concise description of what the bug is.
+    validations:
+      required: true
+
+  - type: textarea
+    id: expected
+    attributes:
+      label: What did you expect to happen?
+    validations:
+      required: true
+
+  - type: textarea
+    id: info
+    attributes:
+      label: Client information
+      description: Please paste the full text from the `/about` command run from Gemini CLI. Also include which platform (MacOS, Windows, Linux).
+      value: |
+        <details>
+
+        ```console
+        $ gemini /about
+        # paste output here
+        ```
+
+        </details>
+    validations:
+      required: true
+
+  - type: textarea
+    id: login-info
+    attributes:
+      label: Login information
+      description: Describe how you are logging in (e.g., Google Account, API key).
+
+  - type: textarea
+    id: additional-context
+    attributes:
+      label: Anything else we need to know?
+      description: Add any other context about the problem here.