feat(kiro): add claude-opus-5.5 models to registry and capabilities

open-sse/providers/capabilities.js

@@ -83,8 +83,13 @@ export function capabilitiesFromServiceKind(kind) {
  * otherwise mis-match. Only declare deltas vs DEFAULT.
  */
 export const MODEL_CAPABILITIES = {
-  // Claude Fable 5.1, Opus 5, 4.6/4.7/4.8, and Kiro Sonnet 5 have 1M context + adaptive thinking (override generic claude pattern)
+  // Claude Fable 5.1, Opus 5.5/5, 4.6/4.7/4.8, and Kiro Sonnet 5 have 1M context + adaptive thinking (override generic claude pattern)
   "claude-fable-5-1": { vision: true, reasoning: true, search: true, thinkingFormat: "claude-adaptive", thinkingCanDisable: false, contextWindow: 1000000, maxOutput: 128000 },
+  // Claude Opus 5.5 — experimental preview on Kiro (rateMultiplier: 2.0, 1M context) (#4410)
+  "claude-opus-5.5":                   { vision: true, reasoning: true, search: true, thinkingFormat: "claude-adaptive", contextWindow: 1000000, maxOutput: 128000 },
+  "claude-opus-5.5-thinking":          { vision: true, reasoning: true, search: true, thinkingFormat: "claude-adaptive", contextWindow: 1000000, maxOutput: 128000 },
+  "claude-opus-5.5-agentic":           { vision: true, reasoning: true, search: true, thinkingFormat: "claude-adaptive", contextWindow: 1000000, maxOutput: 128000 },
+  "claude-opus-5.5-thinking-agentic":  { vision: true, reasoning: true, search: true, thinkingFormat: "claude-adaptive", contextWindow: 1000000, maxOutput: 128000 },
   "claude-opus-5":     { vision: true, reasoning: true, search: true, thinkingFormat: "claude-adaptive", contextWindow: 1000000, maxOutput: 128000 },
   "claude-opus-5-thinking": { vision: true, reasoning: true, search: true, thinkingFormat: "claude-adaptive", contextWindow: 1000000, maxOutput: 128000 },
   "claude-opus-5-agentic": { vision: true, reasoning: true, search: true, thinkingFormat: "claude-adaptive", contextWindow: 1000000, maxOutput: 128000 },

open-sse/providers/registry/kiro.js

@@ -41,7 +41,13 @@ export default {
     },
   },
   models: [
-    // Opus (added per kiro.dev/changelog/models and kiro.dev/docs/models)
+    // Opus 5.5 — experimental preview, 1M context, 2x credits (#4410)
+    // Announced 2026-09-22; confirmed in kiro.dev session UI.
+    { id: "claude-opus-5.5", name: "Claude Opus 5.5" },
+    { id: "claude-opus-5.5-thinking", name: "Claude Opus 5.5 (Thinking)" },
+    { id: "claude-opus-5.5-agentic", name: "Claude Opus 5.5 (Agentic)" },
+    { id: "claude-opus-5.5-thinking-agentic", name: "Claude Opus 5.5 (Thinking + Agentic)" },
+    // Opus 5
     { id: "claude-opus-5", name: "Claude Opus 5" },
     { id: "claude-opus-5-thinking", name: "Claude Opus 5 (Thinking)" },
     { id: "claude-opus-5-agentic", name: "Claude Opus 5 (Agentic)" },

tests/unit/kiro-claude-opus-5-5.test.js

@@ -0,0 +1,77 @@
+/**
+ * Tests for #4410 — Kiro registry missing claude-opus-5.5 models.
+ *
+ * Kiro added Claude Opus 5.5 as an experimental preview on 2026-09-22.
+ * The model was missing from open-sse/providers/registry/kiro.js and
+ * open-sse/providers/capabilities.js.
+ *
+ * Fix:
+ * - Add claude-opus-5.5 / -thinking / -agentic / -thinking-agentic to kiro.js
+ * - Add capability entries (vision, reasoning, search, 1M context, adaptive thinking)
+ */
+
+import { describe, it, expect } from "vitest";
+import { getCapabilitiesForModel } from "../../open-sse/providers/capabilities.js";
+import fs from "fs";
+import path from "path";
+
+const kiroSrc = fs.readFileSync(
+  new URL("../../open-sse/providers/registry/kiro.js", import.meta.url),
+  "utf-8"
+);
+
+describe("Kiro registry — claude-opus-5.5 (#4410)", () => {
+  it("includes claude-opus-5.5 in kiro registry", () => {
+    expect(kiroSrc).toContain('"claude-opus-5.5"');
+  });
+
+  it("includes claude-opus-5.5-thinking in kiro registry", () => {
+    expect(kiroSrc).toContain('"claude-opus-5.5-thinking"');
+  });
+
+  it("includes claude-opus-5.5-agentic in kiro registry", () => {
+    expect(kiroSrc).toContain('"claude-opus-5.5-agentic"');
+  });
+
+  it("includes claude-opus-5.5-thinking-agentic in kiro registry", () => {
+    expect(kiroSrc).toContain('"claude-opus-5.5-thinking-agentic"');
+  });
+
+  it("claude-opus-5 still present (regression guard)", () => {
+    expect(kiroSrc).toContain('"claude-opus-5"');
+  });
+});
+
+describe("capabilities — claude-opus-5.5 (#4410)", () => {
+  it("claude-opus-5.5 has vision:true", () => {
+    const caps = getCapabilitiesForModel("kiro", "claude-opus-5.5");
+    expect(caps.vision).toBe(true);
+  });
+
+  it("claude-opus-5.5 has reasoning:true", () => {
+    const caps = getCapabilitiesForModel("kiro", "claude-opus-5.5");
+    expect(caps.reasoning).toBe(true);
+  });
+
+  it("claude-opus-5.5 has contextWindow 1M", () => {
+    const caps = getCapabilitiesForModel("kiro", "claude-opus-5.5");
+    expect(caps.contextWindow).toBe(1000000);
+  });
+
+  it("claude-opus-5.5 has maxOutput 128000", () => {
+    const caps = getCapabilitiesForModel("kiro", "claude-opus-5.5");
+    expect(caps.maxOutput).toBe(128000);
+  });
+
+  it("claude-opus-5.5-thinking has same capabilities", () => {
+    const caps = getCapabilitiesForModel("kiro", "claude-opus-5.5-thinking");
+    expect(caps.vision).toBe(true);
+    expect(caps.reasoning).toBe(true);
+    expect(caps.contextWindow).toBe(1000000);
+  });
+
+  it("claude-opus-5 still has 1M context (regression guard)", () => {
+    const caps = getCapabilitiesForModel("kiro", "claude-opus-5");
+    expect(caps.contextWindow).toBe(1000000);
+  });
+});