fix(server): OpenCode 2.0.0-2.0.17 show as unsupported

They matched no range, so they resolved to unknown and showed no warning.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

Author: juliusmarminge

apps/server/src/provider/model-manifest.json

@@ -56,6 +56,7 @@
       "recommendedRange": ">=2.0.18",
       "ranges": [
         { "range": ">=2.0.18", "status": "supported" },
+        { "range": ">=2.0.0 <2.0.18", "status": "unsupported" },
         { "range": ">=1.14.19 <2.0.0", "status": "graceful" },
         { "range": "<1.14.19", "status": "broken" }
       ]

apps/server/src/provider/providerCompatibility.test.ts

@@ -72,6 +72,9 @@ describe("provider compatibility", () => {
     for (const [version, expected] of [
       ["2.0.18", "supported"],
       ["2.1.0", "supported"],
+      // Early OpenCode 2 releases predate the API the adapter was built against.
+      ["2.0.17", "unsupported"],
+      ["2.0.0", "unsupported"],
       ["1.99.0", "graceful"],
       ["1.14.19", "graceful"],
       ["1.14.18", "broken"],