feat(agents): wire Claude Opus 4.7 support into Sisyphus agent

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/agents/sisyphus.ts

@@ -1,6 +1,12 @@
 import type { AgentConfig } from "@opencode-ai/sdk";
 import type { AgentMode, AgentPromptMetadata } from "./types";
-import { isGptModel, isGeminiModel, isGpt5_5Model, isGptNativeSisyphusModel } from "./types";
+import {
+  isGptModel,
+  isGeminiModel,
+  isGpt5_5Model,
+  isGptNativeSisyphusModel,
+  isClaudeOpus47Model,
+} from "./types";
 import {
   buildGeminiToolMandate,
   buildGeminiDelegationOverride,
@@ -9,6 +15,7 @@ import {
   buildGeminiToolGuide,
   buildGeminiToolCallExamples,
 } from "./sisyphus/gemini";
+import { buildClaudeOpus47SisyphusPrompt } from "./sisyphus/claude-opus-4-7";
 import { buildGpt54SisyphusPrompt } from "./sisyphus/gpt-5-4";
 import { buildGpt55SisyphusPrompt } from "./sisyphus/gpt-5-5";
 import { buildTaskManagementSection } from "./sisyphus/default";
@@ -536,6 +543,33 @@ export function createSisyphusAgent(
     };
   }
 
+  if (isClaudeOpus47Model(model)) {
+    const prompt = buildClaudeOpus47SisyphusPrompt(
+      model,
+      agents,
+      tools,
+      skills,
+      categories,
+      useTaskSystem,
+    );
+    return {
+      description:
+        "Powerful AI orchestrator. Plans obsessively with todos, assesses search complexity before exploration, delegates strategically via category+skills combinations. Uses explore for internal code (parallel-friendly), librarian for external docs. (Sisyphus - OhMyOpenCode)",
+      mode: MODE,
+      model,
+      maxTokens: 64000,
+      prompt,
+      color: "#00CED1",
+      permission: {
+        question: "allow",
+        call_omo_agent: "deny",
+        ...getFrontierToolSchemaPermission(model),
+        ...getGptApplyPatchPermission(model),
+      } as AgentConfig["permission"],
+      thinking: { type: "enabled", budgetTokens: 32000 },
+    };
+  }
+
   let prompt = buildDynamicSisyphusPrompt(
     model,
     agents,

src/agents/sisyphus/index.ts

@@ -3,11 +3,14 @@
  *
  * This directory contains model-specific prompt variants:
  * - default.ts: Base implementation for Claude and general models
+ * - claude-opus-4-7.ts: Native Claude Opus 4.7 prompt with literal-instruction tuning
  * - gemini.ts: Corrective overlays for Gemini's aggressive tendencies
  * - gpt-5-4.ts: Native GPT-5.4 prompt with block-structured guidance
+ * - gpt-5-5.ts: Native GPT-5.5 prompt with Codex-style sections
  */
 
 export { buildDefaultSisyphusPrompt, buildTaskManagementSection } from "./default";
+export { buildClaudeOpus47SisyphusPrompt } from "./claude-opus-4-7";
 export {
   buildGeminiToolMandate,
   buildGeminiDelegationOverride,