ci: publish opencode next on every iteration

[anand-testcompare]

Closes #184

Summary

• update opencode-excalidraw-release dispatch logic so plugin iterations always publish next
• keep latest publish gated to actual release creation
• document release-channel behavior in plugin docs and root README

Why

Release PRs can stay open for multiple iteration cycles (next.x) before a public release. Previous logic only dispatched next on release PR creation (prs_created == true), which could skip expected prerelease publishes while iterating on an already-open release PR.

Changes

• .github/workflows/opencode-excalidraw-release.yml
  • removed dependence on prs_created
  • dispatch job now runs on successful process
  • dispatch rules:
    • releases_created == true -> publish latest
    • otherwise -> publish next
• packages/opencode-excalidraw/README.md
  • added explicit next vs latest release-channel behavior and practical flow
• README.md
  • added OpenCode plugin release-channel note

Validation

• bun x ultracite check passed
• Verified current release/publish chain behavior on main:
  • release PR merge produced opencode-excalidraw-v0.0.8
  • publish run completed successfully
  • npm now reports latest=0.0.8

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Project	Deployment	Actions	Updated (UTC)
sketchi-web	Building	Preview, Comment	Mar 2, 2026 5:38am