[Fix] OpenCode Go context meter shows incorrect limits

[zoomote]

​Created by Roomote. Follow up by mentioning @roomote, in the web UI, or in Discord.

What changed

All 33 models currently returned by OpenCode Go now have complete metadata in the single opencodeGoModels registry, including limits, capabilities, pricing, and descriptions. Live endpoint metadata still overrides volatile fields when supplied, and Qwen format routing now includes the additional Messages API models.

Why this change was made

Models without a registry entry inherited a generic 200k context window, causing incorrect context percentages. Keeping a second limits-only table also split curated models across two sources of truth.

Impact

The context meter, model controls, and cost estimates now resolve from one model registry. Exact registry-membership tests cover every current OpenCode Go ID, while unknown future IDs retain the safe generic fallback.

Related PRs

• Zoo Code Docs #51

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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[zoomote]

Consolidated all 33 OpenCode Go model records into opencodeGoModels and removed the separate limits registry/helper. The registry now carries limits, capabilities, pricing, and descriptions for every current live ID, with exact membership and metadata invariants covered by tests. Full workspace tests, lint, and type checks pass.

Commit: db24d2f