fix: switch from SDK to CLI wrapper (npx claude-code) for auth compatibility

src/services/claude.ts

@@ -1,52 +1,69 @@
-import { query } from "@anthropic-ai/claude-agent-sdk";
+import { spawn } from "child_process";
 
 export interface ClaudeResult {
   sessionId: string;
   result: string;
 }
 
+interface CliJsonResult {
+  result?: string;
+  session_id?: string;
+  is_error?: boolean;
+}
+
+function runClaude(args: string[], cwd: string): Promise<string> {
+  return new Promise((resolve, reject) => {
+    const proc = spawn("npx", ["--yes", "@anthropic-ai/claude-code", ...args], {
+      cwd,
+      shell: true,
+      env: { ...process.env },
+    });
+
+    let stdout = "";
+    let stderr = "";
+
+    proc.stdout.on("data", (data: Buffer) => {
+      stdout += data.toString();
+    });
+
+    proc.stderr.on("data", (data: Buffer) => {
+      stderr += data.toString();
+    });
+
+    proc.on("close", (code: number | null) => {
+      if (code !== 0 && !stdout) {
+        reject(new Error(stderr || `claude exited with code ${code}`));
+      } else {
+        resolve(stdout);
+      }
+    });
+
+    proc.on("error", reject);
+  });
+}
+
 export class ClaudeService {
   async createSession(prompt: string, cwd: string): Promise<ClaudeResult> {
-    let sessionId = "";
-    let result = "";
-
-    for await (const message of query({
-      prompt,
-      options: {
+    const raw = await runClaude(
+      ["-p", prompt, "--output-format", "json", "--dangerously-skip-permissions"],
       cwd,
-        permissionMode: "bypassPermissions",
-        allowedTools: [
-          "Read", "Write", "Edit", "Bash", "Glob", "Grep",
-          "WebSearch", "WebFetch", "Agent",
-        ],
-      },
-    })) {
-      if (message.type === "system" && message.subtype === "init") {
-        sessionId = message.session_id;
-      }
-      if ("result" in message && typeof message.result === "string") {
-        result = message.result;
-      }
-    }
+    );
 
-    return { sessionId, result };
+    const parsed = JSON.parse(raw.trim().split("\n").pop()!) as CliJsonResult;
+
+    return {
+      sessionId: parsed.session_id ?? "",
+      result: parsed.result ?? "",
+    };
   }
 
   async sendMessage(prompt: string, sessionId: string): Promise<string> {
-    let result = "";
+    const raw = await runClaude(
+      ["-p", prompt, "--output-format", "json", "--resume", sessionId, "--dangerously-skip-permissions"],
+      process.cwd(),
+    );
 
-    for await (const message of query({
-      prompt,
-      options: {
-        resume: sessionId,
-        permissionMode: "bypassPermissions",
-      },
-    })) {
-      if ("result" in message && typeof message.result === "string") {
-        result = message.result;
-      }
-    }
-
-    return result;
+    const parsed = JSON.parse(raw.trim().split("\n").pop()!) as CliJsonResult;
+    return parsed.result ?? "";
   }
 }