feat: Add Line plugin (#1630)

* feat: add LINE plugin (#1630) (thanks @plum-dawg)

* feat: complete LINE plugin (#1630) (thanks @plum-dawg)

* chore: drop line plugin node_modules (#1630) (thanks @plum-dawg)

* test: mock /context report in commands test (#1630) (thanks @plum-dawg)

* test: limit macOS CI workers to avoid OOM (#1630) (thanks @plum-dawg)

* test: reduce macOS CI vitest workers (#1630) (thanks @plum-dawg)

---------

Co-authored-by: Peter Steinberger <steipete@gmail.com>

src/line/accounts.test.ts

@@ -0,0 +1,199 @@
+import { describe, it, expect, beforeEach, afterEach } from "vitest";
+import {
+  resolveLineAccount,
+  listLineAccountIds,
+  resolveDefaultLineAccountId,
+  normalizeAccountId,
+  DEFAULT_ACCOUNT_ID,
+} from "./accounts.js";
+import type { ClawdbotConfig } from "../config/config.js";
+
+describe("LINE accounts", () => {
+  const originalEnv = { ...process.env };
+
+  beforeEach(() => {
+    process.env = { ...originalEnv };
+    delete process.env.LINE_CHANNEL_ACCESS_TOKEN;
+    delete process.env.LINE_CHANNEL_SECRET;
+  });
+
+  afterEach(() => {
+    process.env = originalEnv;
+  });
+
+  describe("resolveLineAccount", () => {
+    it("resolves account from config", () => {
+      const cfg: ClawdbotConfig = {
+        channels: {
+          line: {
+            enabled: true,
+            channelAccessToken: "test-token",
+            channelSecret: "test-secret",
+            name: "Test Bot",
+          },
+        },
+      };
+
+      const account = resolveLineAccount({ cfg });
+
+      expect(account.accountId).toBe(DEFAULT_ACCOUNT_ID);
+      expect(account.enabled).toBe(true);
+      expect(account.channelAccessToken).toBe("test-token");
+      expect(account.channelSecret).toBe("test-secret");
+      expect(account.name).toBe("Test Bot");
+      expect(account.tokenSource).toBe("config");
+    });
+
+    it("resolves account from environment variables", () => {
+      process.env.LINE_CHANNEL_ACCESS_TOKEN = "env-token";
+      process.env.LINE_CHANNEL_SECRET = "env-secret";
+
+      const cfg: ClawdbotConfig = {
+        channels: {
+          line: {
+            enabled: true,
+          },
+        },
+      };
+
+      const account = resolveLineAccount({ cfg });
+
+      expect(account.channelAccessToken).toBe("env-token");
+      expect(account.channelSecret).toBe("env-secret");
+      expect(account.tokenSource).toBe("env");
+    });
+
+    it("resolves named account", () => {
+      const cfg: ClawdbotConfig = {
+        channels: {
+          line: {
+            enabled: true,
+            accounts: {
+              business: {
+                enabled: true,
+                channelAccessToken: "business-token",
+                channelSecret: "business-secret",
+                name: "Business Bot",
+              },
+            },
+          },
+        },
+      };
+
+      const account = resolveLineAccount({ cfg, accountId: "business" });
+
+      expect(account.accountId).toBe("business");
+      expect(account.enabled).toBe(true);
+      expect(account.channelAccessToken).toBe("business-token");
+      expect(account.channelSecret).toBe("business-secret");
+      expect(account.name).toBe("Business Bot");
+    });
+
+    it("returns empty token when not configured", () => {
+      const cfg: ClawdbotConfig = {};
+
+      const account = resolveLineAccount({ cfg });
+
+      expect(account.channelAccessToken).toBe("");
+      expect(account.channelSecret).toBe("");
+      expect(account.tokenSource).toBe("none");
+    });
+  });
+
+  describe("listLineAccountIds", () => {
+    it("returns default account when configured at base level", () => {
+      const cfg: ClawdbotConfig = {
+        channels: {
+          line: {
+            channelAccessToken: "test-token",
+          },
+        },
+      };
+
+      const ids = listLineAccountIds(cfg);
+
+      expect(ids).toContain(DEFAULT_ACCOUNT_ID);
+    });
+
+    it("returns named accounts", () => {
+      const cfg: ClawdbotConfig = {
+        channels: {
+          line: {
+            accounts: {
+              business: { enabled: true },
+              personal: { enabled: true },
+            },
+          },
+        },
+      };
+
+      const ids = listLineAccountIds(cfg);
+
+      expect(ids).toContain("business");
+      expect(ids).toContain("personal");
+    });
+
+    it("returns default from env", () => {
+      process.env.LINE_CHANNEL_ACCESS_TOKEN = "env-token";
+      const cfg: ClawdbotConfig = {};
+
+      const ids = listLineAccountIds(cfg);
+
+      expect(ids).toContain(DEFAULT_ACCOUNT_ID);
+    });
+  });
+
+  describe("resolveDefaultLineAccountId", () => {
+    it("returns default when configured", () => {
+      const cfg: ClawdbotConfig = {
+        channels: {
+          line: {
+            channelAccessToken: "test-token",
+          },
+        },
+      };
+
+      const id = resolveDefaultLineAccountId(cfg);
+
+      expect(id).toBe(DEFAULT_ACCOUNT_ID);
+    });
+
+    it("returns first named account when default not configured", () => {
+      const cfg: ClawdbotConfig = {
+        channels: {
+          line: {
+            accounts: {
+              business: { enabled: true },
+            },
+          },
+        },
+      };
+
+      const id = resolveDefaultLineAccountId(cfg);
+
+      expect(id).toBe("business");
+    });
+  });
+
+  describe("normalizeAccountId", () => {
+    it("normalizes undefined to default", () => {
+      expect(normalizeAccountId(undefined)).toBe(DEFAULT_ACCOUNT_ID);
+    });
+
+    it("normalizes 'default' to DEFAULT_ACCOUNT_ID", () => {
+      expect(normalizeAccountId("default")).toBe(DEFAULT_ACCOUNT_ID);
+    });
+
+    it("preserves other account ids", () => {
+      expect(normalizeAccountId("business")).toBe("business");
+    });
+
+    it("lowercases account ids", () => {
+      expect(normalizeAccountId("Business")).toBe("business");
+    });
+
+    it("trims whitespace", () => {
+      expect(normalizeAccountId("  business  ")).toBe("business");
+    });
+  });
+});