Bug report template references "OpenCode" instead of "MiMo Code"

[HaleTom]

Description

The bug report issue template (.github/ISSUE_TEMPLATE/bug-report.yml) still references "OpenCode" instead of "MiMo" or "MiMo Code":

1. Field label: OpenCode version (should be MiMo version or MiMo Code version)
2. Field description: What version of OpenCode are you using? (should reference MiMo)
3. Field ID: opencode-version (should be mimo-version)

Additionally, .github/ISSUE_TEMPLATE/config.yml points to the OpenCode Discord:

contact_links:
  - name: 💬 Discord Community
    url: https://discord.gg/opencode

This should point to MiMo Code's own community link.

Suggested fix

1. In bug-report.yml: Change id: opencode-version → id: mimo-version, label: OpenCode version → label: MiMo Code version, description: What version of OpenCode are you using? → description: What version of MiMo Code are you using? (run mimo --version)
2. In config.yml: Update the Discord URL to MiMo Code's community link

Also recommend a global case-insensitive search for opencode across all .github/ files to catch any other stale references. The feature-request.yml and question.yml appear clean but a grep would confirm.

Steps to reproduce

1. Go to https://github.com/XiaomiMiMo/MiMo-Code/issues/new/choose
2. Select "Bug report"
3. Observe the "OpenCode version" field

Expected behavior

Template should reference the current project name (MiMo Code), not the upstream fork name (OpenCode).

Operating System

Linux