Critical: Fix OpenCode API endpoint URL in release analyzer

[coderabbitai]

Problem

The release analyzer script uses the wrong default API endpoint URL.

Current (incorrect):

const url = process.env.OPENCODE_API_URL || "https://api.openai.com/v1/responses";

Expected (correct):

const url = process.env.OPENCODE_API_URL || "https://opencode.ai/zen/v1/responses";

Impact

• The release workflow will fail when trying to analyze commits
• API calls will be sent to the wrong endpoint

Files to Fix

1. scripts/detect-release-type.mjs (line ~136)
2. docs/development/ci.md (line ~36 - update documentation)

References

• PR: Automate CI and review workflows #8
• Review comment: Automate CI and review workflows #8 (comment)
• OpenCode Zen API docs: https://opencode.ai/docs/zen/

[riatzukiza]

Resolved by the release analyzer refactor: now shells out to opencode run so it no longer targets the wrong OpenAI endpoint.