Add: windows mvp - transparent bugs not fixed

docs/ISSUE_TEMPLATE.md

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+# Issue Template (`issues/issueN.md`)
+
+## Title
+
+## Severity
+
+## Environment
+
+- OS:
+- App version/build:
+- Renderer/backend details:
+
+## Summary
+
+## Reproduction Steps
+
+1.
+2.
+
+## Expected Result
+
+## Actual Result
+
+## Root Cause Analysis
+
+## Fix Plan
+
+## Implementation Notes
+
+## Verification
+
+### Commands Run
+
+- [ ] `cargo check --workspace`
+- [ ] `cargo test --workspace`
+- [ ] `just qa-validate`
+
+### Visual Checklist
+
+- [ ] Before screenshot(s): `issues/screenshots/issueN-before-YYYYMMDD-HHMMSS.png`
+- [ ] After screenshot(s): `issues/screenshots/issueN-after-YYYYMMDD-HHMMSS.png`
+
+### Result
+
+- Status:
+- Notes:
+
+## Status History
+
+- `YYYY-MM-DD HH:MM` - `<actor>` - `Reported` - note
+
+## Closure
+
+- Current Status: `Reported`
+- Close Date:
+- Owner:
+- Linked PR/commit:
+
+## Original Report (if migrated)
+
+Paste the initial report verbatim when migrating legacy issues.
+