feat(opencode-go): expose Muse Spark reasoning effort aliases

changelog.d/features/opencode-go-muse-spark-efforts.md

@@ -0,0 +1 @@
+- feat(opencode-go): expose Muse Spark 1.2 Contributor reasoning-effort aliases (minimal/low/medium/high/xhigh) in the Combo Builder

open-sse/config/providers/registry/opencode/go/index.ts

@@ -126,6 +126,69 @@ export const opencode_goProvider: RegistryEntry = {
       supportsReasoning: true,
     },
     { id: "hy3-preview", name: "Hunyuan3 Preview" },
+    // Muse Spark 1.2 Contributor — base + effort-tier aliases from the OpenCode Go
+    // registry (`opencode models opencode-go --verbose`; exact suffix set:
+    // minimal/low/medium/high/xhigh, no max).
+    {
+      id: "muse-spark-1.2-contributor",
+      name: "Muse Spark 1.2 Contributor",
+      contextLength: 1048576,
+      maxOutputTokens: 131072,
+      supportsReasoning: true,
+      supportsVision: true,
+      supportsAudio: true,
+      supportsVideo: true,
+    },
+    {
+      id: "muse-spark-1.2-contributor-minimal",
+      name: "Muse Spark 1.2 Contributor (minimal effort)",
+      contextLength: 1048576,
+      maxOutputTokens: 131072,
+      supportsReasoning: true,
+      supportsVision: true,
+      supportsAudio: true,
+      supportsVideo: true,
+    },
+    {
+      id: "muse-spark-1.2-contributor-low",
+      name: "Muse Spark 1.2 Contributor (low effort)",
+      contextLength: 1048576,
+      maxOutputTokens: 131072,
+      supportsReasoning: true,
+      supportsVision: true,
+      supportsAudio: true,
+      supportsVideo: true,
+    },
+    {
+      id: "muse-spark-1.2-contributor-medium",
+      name: "Muse Spark 1.2 Contributor (medium effort)",
+      contextLength: 1048576,
+      maxOutputTokens: 131072,
+      supportsReasoning: true,
+      supportsVision: true,
+      supportsAudio: true,
+      supportsVideo: true,
+    },
+    {
+      id: "muse-spark-1.2-contributor-high",
+      name: "Muse Spark 1.2 Contributor (high effort)",
+      contextLength: 1048576,
+      maxOutputTokens: 131072,
+      supportsReasoning: true,
+      supportsVision: true,
+      supportsAudio: true,
+      supportsVideo: true,
+    },
+    {
+      id: "muse-spark-1.2-contributor-xhigh",
+      name: "Muse Spark 1.2 Contributor (xhigh effort)",
+      contextLength: 1048576,
+      maxOutputTokens: 131072,
+      supportsReasoning: true,
+      supportsVision: true,
+      supportsAudio: true,
+      supportsVideo: true,
+    },
     // #8353: Grok 4.5 + effort tiers from the OpenCode Go registry.
     { id: "grok-4.5", name: "Grok 4.5", supportsReasoning: true },
     { id: "grok-4.5-low", name: "Grok 4.5 (low effort)", supportsReasoning: true },

open-sse/executors/opencode.ts

@@ -71,7 +71,8 @@ const OPENCODE_FREE_MODELS = new Set([
  *   `opencode models opencode-go --verbose`; MiniMax M3 excluded — different
  *   thinking-mode mapping):
  *   grok-4.5 low/medium/high; hy3 none/low/high; kimi-k3 max;
- *   qwen3.6-plus / qwen3.7-max / qwen3.7-plus high/max
+ *   qwen3.6-plus / qwen3.7-max / qwen3.7-plus high/max;
+ *   muse-spark-1.2-contributor minimal/low/medium/high/xhigh (no max)
  */
 const EFFORT_TIERS: Record<string, readonly string[]> = {
   "deepseek-v4-pro": EFFORT_LEVELS,
@@ -84,6 +85,7 @@ const EFFORT_TIERS: Record<string, readonly string[]> = {
   "qwen3.6-plus": ["high", "max"],
   "qwen3.7-max": ["high", "max"],
   "qwen3.7-plus": ["high", "max"],
+  "muse-spark-1.2-contributor": ["minimal", "low", "medium", "high", "xhigh"],
 };
 
 /**

tests/unit/opencode-go-catalog-alignment.test.ts

@@ -62,3 +62,25 @@ test("opencode-go hy3 variants expose their context window to combo compatibilit
     );
   }
 });
+
+test("opencode-go exposes Muse Spark Contributor effort aliases with a 1M context", () => {
+  const museModelIds = [
+    "muse-spark-1.2-contributor",
+    "muse-spark-1.2-contributor-minimal",
+    "muse-spark-1.2-contributor-low",
+    "muse-spark-1.2-contributor-medium",
+    "muse-spark-1.2-contributor-high",
+    "muse-spark-1.2-contributor-xhigh",
+  ];
+  for (const modelId of museModelIds) {
+    assert.ok(
+      modelIds().includes(modelId),
+      `expected ${modelId} in opencode-go catalog, got: ${modelIds().join(", ")}`
+    );
+    assert.equal(
+      getResolvedModelCapabilities(`opencode-go/${modelId}`).contextWindow,
+      1048576,
+      `${modelId} should resolve a 1M context window`
+    );
+  }
+});

tests/unit/opencode-go-effort-aliases-8353.test.ts

@@ -50,9 +50,40 @@ const ISSUE_ALIASES: ReadonlyArray<{ alias: string; base: string; effort: string
   { alias: "qwen3.7-max-max", base: "qwen3.7-max", effort: "max" },
   { alias: "qwen3.7-plus-high", base: "qwen3.7-plus", effort: "high" },
   { alias: "qwen3.7-plus-max", base: "qwen3.7-plus", effort: "max" },
+  {
+    alias: "muse-spark-1.2-contributor-minimal",
+    base: "muse-spark-1.2-contributor",
+    effort: "minimal",
+  },
+  {
+    alias: "muse-spark-1.2-contributor-low",
+    base: "muse-spark-1.2-contributor",
+    effort: "low",
+  },
+  {
+    alias: "muse-spark-1.2-contributor-medium",
+    base: "muse-spark-1.2-contributor",
+    effort: "medium",
+  },
+  {
+    alias: "muse-spark-1.2-contributor-high",
+    base: "muse-spark-1.2-contributor",
+    effort: "high",
+  },
+  {
+    alias: "muse-spark-1.2-contributor-xhigh",
+    base: "muse-spark-1.2-contributor",
+    effort: "xhigh",
+  },
 ];
 
-const NEW_BASES = ["grok-4.5", "hy3", "kimi-k3", "qwen3.7-plus"] as const;
+const NEW_BASES = [
+  "grok-4.5",
+  "hy3",
+  "kimi-k3",
+  "qwen3.7-plus",
+  "muse-spark-1.2-contributor",
+] as const;
 
 function goModelIds(): string[] {
   const entry = REGISTRY["opencode-go"];
@@ -101,13 +132,11 @@ test("#8353 catalog: aliases are NOT synthesized on opencode-zen", () => {
   // kimi-k3 became a live zen model in the 2026-08-17 registry sync (present in
   // https://opencode.ai/zen/v1/models) — only the remaining Go-tier-only bases
   // must stay absent from zen. The effort alias kimi-k3-max is still Go-only
-  // and remains covered by the ISSUE_ALIASES loop above.
   for (const base of NEW_BASES) {
     if (base === "kimi-k3") continue;
     assert.equal(zenIds.has(base), false, `opencode-zen must not expose base ${base}`);
   }
 });
-
 test("#8353 catalog: qwen effort aliases keep Claude targetFormat", () => {
   const models = REGISTRY["opencode-go"]?.models ?? [];
   for (const id of [
@@ -138,6 +167,7 @@ test("#8353 parseEffortLevel: unsupported tiers stay null", () => {
   assert.equal(parseEffortLevel("hy3-max"), null);
   assert.equal(parseEffortLevel("kimi-k3-high"), null);
   assert.equal(parseEffortLevel("qwen3.6-plus-low"), null);
+  assert.equal(parseEffortLevel("muse-spark-1.2-contributor-max"), null);
 });
 
 test("#8353 parseEffortLevel: existing DeepSeek V4 Pro / GLM / MiMo aliases still work", () => {
@@ -166,6 +196,11 @@ const TRANSFORM_SAMPLES = [
   { alias: "kimi-k3-max", base: "kimi-k3", effort: "max" },
   { alias: "qwen3.7-plus-max", base: "qwen3.7-plus", effort: "max" },
   { alias: "qwen3.7-max-high", base: "qwen3.7-max", effort: "high" },
+  {
+    alias: "muse-spark-1.2-contributor-xhigh",
+    base: "muse-spark-1.2-contributor",
+    effort: "xhigh",
+  },
 ] as const;
 
 for (const { alias, base, effort } of TRANSFORM_SAMPLES) {