chore: migrate issue templates to GitHub issue forms (#119)

Replace markdown-based issue templates with YAML issue forms for
structured input with dropdowns, checkboxes, and required fields.

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,100 +0,0 @@
----
-name: Bug report
-about: Create a report to help us improve
-title: ''
-labels: ''
-assignees: ''
-
----
-
-## Describe the bug
-
-Provide a clear and concise description of the issue.
-
----
-
-### Steps to reproduce
-
-1. 
-2. 
-3. 
-
----
-
-### Expected **behaviour**
-
-Describe what you expected to happen.
-
----
-
-### Actual **behaviour**
-
-Describe what actually happened.
-
----
-
-**Pre-submission checklist (required):**
-
-- [ ]  I have searched the existing open issues and confirmed this bug has not already been reported.
-- [ ]  I am running the latest released version of `shannon`.
-
-**If applicable:**
-
-- [ ]  I have included relevant error messages, stack traces, or failure details.
-- [ ]  I have checked the audit logs and pasted the relevant errors.
-- [ ]  I have inspected the failed Temporal workflow run and included the failure reason.
-- [ ]  I have included clear steps to reproduce the issue.
-- [ ]  I have redacted any sensitive information (tokens, URLs, repo names).
-
-**Debugging checklist (required):**
-
-Please include any **error messages, stack traces, or failure details** you find from the steps below.
-
-Issues without this information may be difficult to triage.
-
-- Check the audit logs at:`./audit-logs/target_url_shannon-123/workflow.log`
-Use `grep` or search to identify errors.
-Paste the relevant error output below.
-- Temporal:
-    - Open the Temporal UI:http://localhost:8233/namespaces/default/workflows
-    - Navigate to failed workflow runs
-    - Open the failed workflow run
-    - In Event History, click on the failed event
-    Copy the error message or failure reason here.
-
----
-
-### Screenshots
-
-If applicable, add screenshots of the audit logs or Temporal failure details.
-
----
-
-### CLI details
-
-Provide the following information (redact sensitive data such as repository names, URLs, and tokens):
-
-- Authentication method used:
-    - `CLAUDE_CODE_OAUTH_TOKEN`
-    - `ANTHROPIC_API_KEY`
-- Full `./shannon` command with all flags used (with redactions)
-- Are you using any experimental models or providers other than default Anthropic models?
-    - Yes/No
-    - If Yes which one (model/provider)
-
----
-
-### Desktop / Environment
-
-Please complete the following information:
-
-- OS (with version):
-e.g. macOS 26.2
-- Docker version (‘docker -v’):
-Example: 25.0.3
-
----
-
-### Additional context
-
-Add any other context that may help us analyze the root cause.

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,151 @@
+name: Bug report
+description: Create a report to help us improve
+title: "[BUG]: "
+labels: []
+assignees: []
+body:
+  - type: textarea
+    id: describe-the-bug
+    attributes:
+      label: Describe the bug
+      description: Provide a clear and concise description of the issue.
+    validations:
+      required: true
+
+  - type: textarea
+    id: steps-to-reproduce
+    attributes:
+      label: Steps to reproduce
+      value: |
+        1.
+        2.
+        3.
+    validations:
+      required: true
+
+  - type: textarea
+    id: expected-behaviour
+    attributes:
+      label: Expected behaviour
+      description: Describe what you expected to happen.
+    validations:
+      required: true
+
+  - type: textarea
+    id: actual-behaviour
+    attributes:
+      label: Actual behaviour
+      description: Describe what actually happened.
+    validations:
+      required: true
+
+  - type: checkboxes
+    id: pre-submission-checklist
+    attributes:
+      label: Pre-submission checklist (required)
+      options:
+        - label: I have searched the existing open issues and confirmed this bug has not already been reported.
+          required: true
+        - label: I am running the latest released version of `shannon`.
+          required: true
+
+  - type: checkboxes
+    id: applicable-checklist
+    attributes:
+      label: If applicable
+      options:
+        - label: I have included relevant error messages, stack traces, or failure details.
+        - label: I have checked the audit logs and pasted the relevant errors.
+        - label: I have inspected the failed Temporal workflow run and included the failure reason.
+        - label: I have included clear steps to reproduce the issue.
+        - label: I have redacted any sensitive information (tokens, URLs, repo names).
+
+  - type: markdown
+    attributes:
+      value: |
+        ### Debugging checklist (required)
+
+        Please include any **error messages, stack traces, or failure details** you find from the steps below.
+
+        Issues without this information may be difficult to triage.
+
+        - Check the audit logs at: `./audit-logs/target_url_shannon-123/workflow.log`
+          Use `grep` or search to identify errors.
+          Paste the relevant error output below.
+        - Temporal:
+            - Open the Temporal UI: http://localhost:8233/namespaces/default/workflows
+            - Navigate to failed workflow runs
+            - Open the failed workflow run
+            - In Event History, click on the failed event
+            Copy the error message or failure reason here.
+
+  - type: textarea
+    id: debugging-details
+    attributes:
+      label: Debugging details
+      description: Paste any error messages, stack traces, or failure details from the audit logs or Temporal UI.
+
+  - type: textarea
+    id: screenshots
+    attributes:
+      label: Screenshots
+      description: If applicable, add screenshots of the audit logs or Temporal failure details.
+
+  - type: markdown
+    attributes:
+      value: |
+        ### CLI details
+
+        Provide the following information (redact sensitive data such as repository names, URLs, and tokens):
+
+  - type: dropdown
+    id: auth-method
+    attributes:
+      label: Authentication method used
+      options:
+        - CLAUDE_CODE_OAUTH_TOKEN
+        - ANTHROPIC_API_KEY
+    validations:
+      required: true
+
+  - type: input
+    id: shannon-command
+    attributes:
+      label: Full ./shannon command with all flags used (with redactions)
+
+  - type: dropdown
+    id: experimental-models
+    attributes:
+      label: Are you using any experimental models or providers other than default Anthropic models?
+      options:
+        - "No"
+        - "Yes"
+    validations:
+      required: true
+
+  - type: input
+    id: experimental-model-details
+    attributes:
+      label: If Yes, which one (model/provider)?
+
+  - type: input
+    id: os-version
+    attributes:
+      label: "OS (with version)"
+      placeholder: "e.g. macOS 26.2"
+    validations:
+      required: true
+
+  - type: input
+    id: docker-version
+    attributes:
+      label: "Docker version ('docker -v')"
+      placeholder: "e.g. 25.0.3"
+    validations:
+      required: true
+
+  - type: textarea
+    id: additional-context
+    attributes:
+      label: Additional context
+      description: Add any other context that may help us analyze the root cause.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,20 +0,0 @@
----
-name: Feature request
-about: Suggest an idea for this project
-title: ''
-labels: ''
-assignees: ''
-
----
-
-**Is your feature request related to a problem? Please describe.**
-A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
-
-**Describe the solution you'd like**
-A clear and concise description of what you want to happen.
-
-**Describe alternatives you've considered**
-A clear and concise description of any alternative solutions or features you've considered.
-
-**Additional context**
-Add any other context or screenshots about the feature request here.

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,33 @@
+name: Feature request
+description: Suggest an idea for this project
+title: "[FEATURE]: "
+labels: []
+assignees: []
+body:
+  - type: textarea
+    id: problem-description
+    attributes:
+      label: Is your feature request related to a problem? Please describe.
+      description: "A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]"
+    validations:
+      required: true
+
+  - type: textarea
+    id: desired-solution
+    attributes:
+      label: Describe the solution you'd like
+      description: A clear and concise description of what you want to happen.
+    validations:
+      required: true
+
+  - type: textarea
+    id: alternatives-considered
+    attributes:
+      label: Describe alternatives you've considered
+      description: A clear and concise description of any alternative solutions or features you've considered.
+
+  - type: textarea
+    id: additional-context
+    attributes:
+      label: Additional context
+      description: Add any other context or screenshots about the feature request here.