feat(sync): add Claude home sync parity across providers

tests/sync-kiro.test.ts

@@ -0,0 +1,83 @@
+import { describe, expect, test } from "bun:test"
+import { promises as fs } from "fs"
+import os from "os"
+import path from "path"
+import type { ClaudeHomeConfig } from "../src/parsers/claude-home"
+import { syncToKiro } from "../src/sync/kiro"
+
+describe("syncToKiro", () => {
+  test("writes user-scope settings/mcp.json with local and remote servers", async () => {
+    const tempRoot = await fs.mkdtemp(path.join(os.tmpdir(), "sync-kiro-"))
+    const fixtureSkillDir = path.join(import.meta.dir, "fixtures", "sample-plugin", "skills", "skill-one")
+
+    const config: ClaudeHomeConfig = {
+      skills: [
+        {
+          name: "skill-one",
+          sourceDir: fixtureSkillDir,
+          skillPath: path.join(fixtureSkillDir, "SKILL.md"),
+        },
+      ],
+      mcpServers: {
+        local: { command: "echo", args: ["hello"], env: { TOKEN: "secret" } },
+        remote: { url: "https://example.com/mcp", headers: { Authorization: "Bearer token" } },
+      },
+    }
+
+    await syncToKiro(config, tempRoot)
+
+    expect((await fs.lstat(path.join(tempRoot, "skills", "skill-one"))).isSymbolicLink()).toBe(true)
+
+    const content = JSON.parse(
+      await fs.readFile(path.join(tempRoot, "settings", "mcp.json"), "utf8"),
+    ) as {
+      mcpServers: Record<string, {
+        command?: string
+        args?: string[]
+        env?: Record<string, string>
+        url?: string
+        headers?: Record<string, string>
+      }>
+    }
+
+    expect(content.mcpServers.local?.command).toBe("echo")
+    expect(content.mcpServers.local?.args).toEqual(["hello"])
+    expect(content.mcpServers.local?.env).toEqual({ TOKEN: "secret" })
+    expect(content.mcpServers.remote?.url).toBe("https://example.com/mcp")
+    expect(content.mcpServers.remote?.headers).toEqual({ Authorization: "Bearer token" })
+  })
+
+  test("merges existing settings/mcp.json", async () => {
+    const tempRoot = await fs.mkdtemp(path.join(os.tmpdir(), "sync-kiro-merge-"))
+    await fs.mkdir(path.join(tempRoot, "settings"), { recursive: true })
+    await fs.writeFile(
+      path.join(tempRoot, "settings", "mcp.json"),
+      JSON.stringify({
+        note: "preserve",
+        mcpServers: {
+          existing: { command: "node" },
+        },
+      }, null, 2),
+    )
+
+    const config: ClaudeHomeConfig = {
+      skills: [],
+      mcpServers: {
+        remote: { url: "https://example.com/mcp" },
+      },
+    }
+
+    await syncToKiro(config, tempRoot)
+
+    const content = JSON.parse(
+      await fs.readFile(path.join(tempRoot, "settings", "mcp.json"), "utf8"),
+    ) as {
+      note: string
+      mcpServers: Record<string, { command?: string; url?: string }>
+    }
+
+    expect(content.note).toBe("preserve")
+    expect(content.mcpServers.existing?.command).toBe("node")
+    expect(content.mcpServers.remote?.url).toBe("https://example.com/mcp")
+  })
+})