fix: add local type imports for AgentIdentity and DisclawConfig

Re-exported types via 'export type { X } from' are not available
as local names in the same file. Add explicit 'import type' so
TypeScript resolves the types used in function signatures.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

package-lock.json

@@ -13,7 +13,8 @@
         "discord.js": "^14.16.0",
         "dotenv": "^16.4.0",
         "pino": "^10.3.1",
-        "yaml": "^2.6.0"
+        "yaml": "^2.6.0",
+        "zod": "^3.23.0"
       },
       "devDependencies": {
         "@types/better-sqlite3": "^7.6.0",
@@ -1862,15 +1863,6 @@
         "node": ">=12"
       }
     },
-    "node_modules/atomic-sleep": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/atomic-sleep/-/atomic-sleep-1.0.0.tgz",
-      "integrity": "sha512-kNOjDqAh7px0XWNI+4QbzoiR/nTkHAWNud2uvnJquD1/x5a7EQZMJT0AczqK0Qn67oY/TTQ1LbUKajZpp3I9tQ==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=8.0.0"
-      }
-    },
     "node_modules/ast-v8-to-istanbul": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/ast-v8-to-istanbul/-/ast-v8-to-istanbul-1.0.0.tgz",
@@ -1883,6 +1875,15 @@
         "js-tokens": "^10.0.0"
       }
     },
+    "node_modules/atomic-sleep": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/atomic-sleep/-/atomic-sleep-1.0.0.tgz",
+      "integrity": "sha512-kNOjDqAh7px0XWNI+4QbzoiR/nTkHAWNud2uvnJquD1/x5a7EQZMJT0AczqK0Qn67oY/TTQ1LbUKajZpp3I9tQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.0.0"
+      }
+    },
     "node_modules/balanced-match": {
       "version": "4.0.4",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-4.0.4.tgz",
@@ -2756,7 +2757,8 @@
     "node_modules/help-me": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/help-me/-/help-me-5.0.0.tgz",
-      "integrity": "sha512-7xgomUX6ADmcYzFik0HzAxh/73YlKR9bmFzf51CZwR+b6YtzU2m0u49hQCqV6SvlqIqsaxovfwdvbnsw3b/zpg=="
+      "integrity": "sha512-7xgomUX6ADmcYzFik0HzAxh/73YlKR9bmFzf51CZwR+b6YtzU2m0u49hQCqV6SvlqIqsaxovfwdvbnsw3b/zpg==",
+      "dev": true
     },
     "node_modules/html-escaper": {
       "version": "2.0.2",
@@ -2885,13 +2887,6 @@
       "integrity": "sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw==",
       "license": "ISC"
     },
-    "node_modules/joycon": {
-      "version": "3.1.1",
-      "resolved": "https://registry.npmjs.org/joycon/-/joycon-3.1.1.tgz",
-      "integrity": "sha512-34wB/Y7MW7bzjKRjUKTa46I2Z7eV62Rkhva+KkopW7Qvv/OSWBqvkSY7vusOPrNuZcUG3tApvdVgNB8POj3SPw==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/istanbul-lib-coverage": {
       "version": "3.2.2",
       "resolved": "https://registry.npmjs.org/istanbul-lib-coverage/-/istanbul-lib-coverage-3.2.2.tgz",
@@ -2931,6 +2926,13 @@
         "node": ">=8"
       }
     },
+    "node_modules/joycon": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/joycon/-/joycon-3.1.1.tgz",
+      "integrity": "sha512-34wB/Y7MW7bzjKRjUKTa46I2Z7eV62Rkhva+KkopW7Qvv/OSWBqvkSY7vusOPrNuZcUG3tApvdVgNB8POj3SPw==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/js-tokens": {
       "version": "10.0.0",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-10.0.0.tgz",
@@ -4343,7 +4345,15 @@
       "funding": {
         "url": "https://github.com/sponsors/sindresorhus"
       }
+    },
+    "node_modules/zod": {
+      "version": "3.25.76",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
+      "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
     }
   }
 }
-    

package.json

@@ -4,9 +4,9 @@
   "description": "Discord-bot-powered multi-agent workspace manager built on Claude Code",
   "main": "dist/index.js",
   "scripts": {
-    "build": "tsc",
+    "build": "tsc && node -e \"require('fs').cpSync('src/db/schema.sql', 'dist/db/schema.sql')\"",
     "start": "node dist/index.js",
-    "dev": "tsc && node dist/index.js",
+    "dev": "tsc && node -e \"require('fs').cpSync('src/db/schema.sql', 'dist/db/schema.sql')\" && node dist/index.js",
     "test": "vitest run",
     "test:watch": "vitest",
     "test:coverage": "vitest run --coverage",
@@ -24,7 +24,8 @@
     "discord.js": "^14.16.0",
     "dotenv": "^16.4.0",
     "pino": "^10.3.1",
-    "yaml": "^2.6.0"
+    "yaml": "^2.6.0",
+    "zod": "^3.23.0"
   },
   "devDependencies": {
     "@types/better-sqlite3": "^7.6.0",

src/agent/identity.ts

@@ -1,24 +1,17 @@
 import * as fs from "fs";
 import * as path from "path";
 import * as YAML from "yaml";
+import { ZodError } from "zod";
+import { AgentYamlSchema } from "./schema";
+import type { AgentYaml as AgentIdentity } from "./schema";
+
+export type { AgentYaml as AgentIdentity } from "./schema";
 
 /**
- * Metadata stored in agent.yaml -- DisClaw-specific fields only.
- * Identity, personality, and instructions now live in CLAUDE.md,
- * which Claude Code reads automatically.
- */
-export interface AgentIdentity {
-  name: string;
-  display_name: string;
-  role: string;
-  channel_id: string;
-}
-
-/**
- * Loads agent.yaml from the workspace folder and returns the parsed identity.
+ * Loads agent.yaml from the workspace folder and returns the validated identity.
  * Re-read on every call so edits take effect immediately.
  */
-export function loadAgentIdentity(workspacePath: string): AgentIdentity {
+export function loadAgentIdentity(workspacePath: string): import("./schema").AgentYaml {
   const yamlPath = path.join(workspacePath, "agent.yaml");
 
   if (!fs.existsSync(yamlPath)) {
@@ -26,7 +19,20 @@ export function loadAgentIdentity(workspacePath: string): AgentIdentity {
   }
 
   const raw = fs.readFileSync(yamlPath, "utf-8");
-  return YAML.parse(raw) as AgentIdentity;
+  const rawParsed = YAML.parse(raw);
+
+  try {
+    return AgentYamlSchema.parse(rawParsed);
+  } catch (err) {
+    if (err instanceof ZodError) {
+      const first = err.errors[0];
+      const fieldPath = first.path.length > 0 ? first.path.join(".") : "(root)";
+      throw new Error(
+        `Invalid agent.yaml at ${yamlPath}: field "${fieldPath}" -- ${first.message}`
+      );
+    }
+    throw err;
+  }
 }
 
 /**

src/agent/schema.ts

@@ -0,0 +1,19 @@
+import { z } from "zod";
+
+export const AgentYamlSchema = z.object({
+  name: z.string().min(1),
+  display_name: z.string().optional(),
+  role: z.string().optional(),
+  channel_id: z.string().min(1),
+});
+
+export type AgentYaml = z.infer<typeof AgentYamlSchema>;
+
+export const ClaudeJsonOutputSchema = z.union([
+  z.object({ result: z.string() }),
+  z.object({ content: z.array(z.object({ type: z.string(), text: z.string().optional() })) }),
+  z.array(z.object({ type: z.string(), text: z.string().optional() })),
+  z.string(),
+]);
+
+export type ClaudeJsonOutput = z.infer<typeof ClaudeJsonOutputSchema>;

src/config/loader.ts

@@ -3,19 +3,15 @@ import * as os from "os";
 import * as path from "path";
 import * as dotenv from "dotenv";
 import * as YAML from "yaml";
+import { ZodError } from "zod";
 import { childLogger } from "../runtime/logger";
+import { DisclawConfigSchema } from "./schema";
+import type { DisclawConfig } from "./schema";
+
+export type { DisclawConfig } from "./schema";
 
 const log = childLogger("config");
 
-export interface DisclawConfig {
-  workspaces_root: string;
-  management_channel: string;
-  claude_command: string;
-  claude_timeout_seconds: number;
-  env_blocklist: string[];
-  max_concurrent_agents: number;
-}
-
 export interface EnvConfig {
   DISCORD_BOT_TOKEN: string;
   DISCORD_GUILD_ID?: string;
@@ -78,18 +74,25 @@ export function loadDisclawConfig(rootDir: string): DisclawConfig {
   }
 
   const raw = fs.readFileSync(configPath, "utf-8");
-  const parsed = YAML.parse(raw) as Partial<DisclawConfig>;
+  const rawParsed = YAML.parse(raw);
 
-  // Apply defaults
-  const rawWorkspacesRoot = parsed.workspaces_root ?? "~/.disclaw/workspaces";
+  let validated: DisclawConfig;
+  try {
+    validated = DisclawConfigSchema.parse(rawParsed);
+  } catch (err) {
+    if (err instanceof ZodError) {
+      const first = err.errors[0];
+      const fieldPath = first.path.length > 0 ? first.path.join(".") : "(root)";
+      throw new Error(
+        `Invalid disclaw.yaml: field "${fieldPath}" -- ${first.message}`
+      );
+    }
+    throw err;
+  }
 
   const config: DisclawConfig = {
-    workspaces_root: expandWorkspacesRoot(rawWorkspacesRoot, rootDir),
-    management_channel: parsed.management_channel ?? "disclaw",
-    claude_command: parsed.claude_command ?? "claude",
-    claude_timeout_seconds: parsed.claude_timeout_seconds ?? 120,
-    env_blocklist: parsed.env_blocklist ?? [],
-    max_concurrent_agents: parsed.max_concurrent_agents ?? 4,
+    ...validated,
+    workspaces_root: expandWorkspacesRoot(validated.workspaces_root, rootDir),
   };
 
   return config;

src/config/schema.ts

@@ -0,0 +1,12 @@
+import { z } from "zod";
+
+export const DisclawConfigSchema = z.object({
+  workspaces_root: z.string().min(1),
+  management_channel: z.string().min(1).default("disclaw"),
+  claude_command: z.string().min(1).default("claude"),
+  claude_timeout_seconds: z.number().int().positive().default(120),
+  max_concurrent_agents: z.number().int().positive().default(4),
+  env_blocklist: z.array(z.string()).default([]),
+});
+
+export type DisclawConfig = z.infer<typeof DisclawConfigSchema>;

src/db/database.ts

@@ -2,29 +2,7 @@ import Database from "better-sqlite3";
 import * as fs from "fs";
 import * as path from "path";
 
-const SCHEMA_SQL = `
-CREATE TABLE IF NOT EXISTS workspaces (
-    id              INTEGER PRIMARY KEY AUTOINCREMENT,
-    channel_id      TEXT NOT NULL UNIQUE,
-    guild_id        TEXT NOT NULL,
-    agent_name      TEXT NOT NULL UNIQUE,
-    workspace_path  TEXT NOT NULL,
-    created_at      TEXT NOT NULL DEFAULT (datetime('now'))
-);
-
-CREATE TABLE IF NOT EXISTS conversations (
-    id              INTEGER PRIMARY KEY AUTOINCREMENT,
-    workspace_id    INTEGER NOT NULL REFERENCES workspaces(id),
-    discord_msg_id  TEXT NOT NULL UNIQUE,
-    role            TEXT NOT NULL,
-    content         TEXT NOT NULL,
-    author_name     TEXT,
-    created_at      TEXT NOT NULL DEFAULT (datetime('now'))
-);
-
-CREATE INDEX IF NOT EXISTS idx_conversations_workspace
-    ON conversations(workspace_id, created_at);
-`;
+const schema = fs.readFileSync(path.join(__dirname, "schema.sql"), "utf-8");
 
 export interface Workspace {
   id: number;
@@ -61,7 +39,7 @@ export class DisclawDatabase {
   }
 
   private runMigrations(): void {
-    this.db.exec(SCHEMA_SQL);
+    this.db.exec(schema);
   }
 
   // --- Workspace queries ---

src/db/schema.sql

@@ -1,3 +1,7 @@
+-- DisClaw SQLite schema (SSOT)
+-- All statements use IF NOT EXISTS for idempotent initialization.
+
+-- Workspaces: maps a Discord channel to a local agent workspace directory.
 CREATE TABLE IF NOT EXISTS workspaces (
     id              INTEGER PRIMARY KEY AUTOINCREMENT,
     channel_id      TEXT NOT NULL UNIQUE,
@@ -7,6 +11,7 @@ CREATE TABLE IF NOT EXISTS workspaces (
     created_at      TEXT NOT NULL DEFAULT (datetime('now'))
 );
 
+-- Conversations: stores per-message history for each workspace.
 CREATE TABLE IF NOT EXISTS conversations (
     id              INTEGER PRIMARY KEY AUTOINCREMENT,
     workspace_id    INTEGER NOT NULL REFERENCES workspaces(id),
@@ -17,5 +22,6 @@ CREATE TABLE IF NOT EXISTS conversations (
     created_at      TEXT NOT NULL DEFAULT (datetime('now'))
 );
 
+-- Index for efficient conversation history retrieval ordered by time.
 CREATE INDEX IF NOT EXISTS idx_conversations_workspace
     ON conversations(workspace_id, created_at);

src/router.ts

@@ -1,7 +1,9 @@
+import * as os from "os";
 import { Message, TextChannel } from "discord.js";
 import { DisclawDatabase } from "./db/database";
 import { DisclawConfig } from "./config/loader";
 import { runAgent } from "./agent/runner";
+import { sanitizeForDiscord } from "./runtime/sanitize";
 
 const DISCORD_MAX_LENGTH = 2000;
 
@@ -110,7 +112,7 @@ export async function routeMessage(
     let firstMsgId: string | null = null;
 
     for (const chunk of chunks) {
-      const sent = await channel.send(chunk);
+      const sent = await channel.send(sanitizeForDiscord(chunk, { home: os.homedir() }));
       if (!firstMsgId) {
         firstMsgId = sent.id;
       }
@@ -128,7 +130,8 @@ export async function routeMessage(
     }
   } catch (error) {
     const msg = error instanceof Error ? error.message : "Unbekannter Fehler";
-    await channel.send(`Fehler bei der Verarbeitung: ${msg}`).catch(() => {});
+    const safeMsg = sanitizeForDiscord(`Fehler bei der Verarbeitung: ${msg}`, { home: os.homedir() });
+    await channel.send(safeMsg).catch(() => {});
   } finally {
     clearInterval(typingInterval);
   }

src/runtime/sanitize.ts

@@ -0,0 +1,43 @@
+export interface SanitizeOptions {
+  repoRoot?: string; // e.g. /home/user/.disclaw
+  home?: string; // os.homedir()
+}
+
+/**
+ * Sanitizes agent output before it is sent to a Discord channel.
+ * Replaces absolute paths and sensitive tokens so they are never leaked.
+ *
+ * Replacement order is intentional — longest/most-specific patterns first:
+ *   1. repoRoot  → <disclaw>
+ *   2. home      → ~
+ *   3. Discord bot token pattern → <redacted>
+ *   4. Anthropic API key pattern → <redacted>
+ */
+export function sanitizeForDiscord(
+  text: string,
+  opts: SanitizeOptions = {}
+): string {
+  let result = text;
+
+  // 1. Replace repo root before home so that sub-paths are caught by the
+  //    more specific substitution first (repoRoot is usually inside home).
+  if (opts.repoRoot) {
+    result = result.split(opts.repoRoot).join("<disclaw>");
+  }
+
+  // 2. Replace home directory with ~
+  if (opts.home) {
+    result = result.split(opts.home).join("~");
+  }
+
+  // 3. Discord bot token  — format: [MN]<23 base64url>.<6 base64url>.<27 base64url>
+  result = result.replace(
+    /[MN][A-Za-z\d]{23}\.[\w-]{6}\.[\w-]{27}/g,
+    "<redacted>"
+  );
+
+  // 4. Anthropic API key  — format: sk-ant-<20+ base64url chars>
+  result = result.replace(/sk-ant-[A-Za-z0-9\-_]{20,}/g, "<redacted>");
+
+  return result;
+}

tests/integration/db-init.test.ts

@@ -0,0 +1,97 @@
+import { describe, it, expect, beforeEach, afterEach } from "vitest";
+import * as fs from "fs";
+import * as os from "os";
+import * as path from "path";
+import { DisclawDatabase } from "../../src/db/database";
+
+/**
+ * Integration tests for DisclawDatabase schema initialization.
+ *
+ * Each test uses a fresh SQLite file in os.tmpdir() to ensure full isolation.
+ * The DB file is cleaned up after each test.
+ */
+
+function makeTmpDbPath(): string {
+  return path.join(os.tmpdir(), `disclaw-test-${Date.now()}-${Math.random().toString(36).slice(2)}.db`);
+}
+
+describe("db-init: schema initialization", () => {
+  let dbPath: string;
+  let db: DisclawDatabase;
+
+  beforeEach(() => {
+    dbPath = makeTmpDbPath();
+  });
+
+  afterEach(() => {
+    try {
+      db.close();
+    } catch {
+      // ignore if already closed
+    }
+    try {
+      fs.unlinkSync(dbPath);
+    } catch {
+      // best-effort cleanup
+    }
+  });
+
+  // (a) All expected tables exist after initialization
+  it("creates all expected tables on first init", () => {
+    db = new DisclawDatabase(dbPath);
+
+    // Query sqlite_master for user-created tables
+    const rawDb = (db as unknown as { db: import("better-sqlite3").Database }).db;
+    const tables = rawDb
+      .prepare("SELECT name FROM sqlite_master WHERE type = 'table' ORDER BY name")
+      .all() as { name: string }[];
+
+    const tableNames = tables.map((t) => t.name);
+    expect(tableNames).toContain("workspaces");
+    expect(tableNames).toContain("conversations");
+  });
+
+  // (b) Initializing the same DB path twice is idempotent (IF NOT EXISTS)
+  it("is idempotent when initialized twice (IF NOT EXISTS)", () => {
+    db = new DisclawDatabase(dbPath);
+    db.close();
+
+    // Second initialization must not throw
+    expect(() => {
+      db = new DisclawDatabase(dbPath);
+    }).not.toThrow();
+
+    const rawDb = (db as unknown as { db: import("better-sqlite3").Database }).db;
+    const tables = rawDb
+      .prepare("SELECT name FROM sqlite_master WHERE type = 'table' ORDER BY name")
+      .all() as { name: string }[];
+
+    const tableNames = tables.map((t) => t.name);
+    expect(tableNames).toContain("workspaces");
+    expect(tableNames).toContain("conversations");
+  });
+
+  // (c) Basic CRUD: create a workspace and retrieve it by channel_id
+  it("supports basic workspace CRUD", () => {
+    db = new DisclawDatabase(dbPath);
+
+    const created = db.createWorkspace(
+      "channel-001",
+      "guild-001",
+      "test-agent",
+      "/tmp/test-agent"
+    );
+
+    expect(created.id).toBeGreaterThan(0);
+    expect(created.channel_id).toBe("channel-001");
+    expect(created.guild_id).toBe("guild-001");
+    expect(created.agent_name).toBe("test-agent");
+    expect(created.workspace_path).toBe("/tmp/test-agent");
+    expect(created.created_at).toBeTruthy();
+
+    const fetched = db.getWorkspaceByChannelId("channel-001");
+    expect(fetched).toBeDefined();
+    expect(fetched!.id).toBe(created.id);
+    expect(fetched!.agent_name).toBe("test-agent");
+  });
+});

tests/unit/sanitize-for-discord.test.ts

@@ -0,0 +1,67 @@
+import { describe, it, expect } from "vitest";
+import { sanitizeForDiscord } from "../../src/runtime/sanitize";
+
+describe("sanitizeForDiscord", () => {
+  // (a) Repo-root path is replaced with <disclaw>
+  it("replaces repoRoot with <disclaw>", () => {
+    const text = "Reading config from /home/user/project/disclaw.yaml";
+    const result = sanitizeForDiscord(text, { repoRoot: "/home/user/project" });
+    expect(result).toBe("Reading config from <disclaw>/disclaw.yaml");
+    expect(result).not.toContain("/home/user/project");
+  });
+
+  // (b) Home directory is replaced with ~
+  it("replaces home directory with ~", () => {
+    const text = "Workspace located at /home/user/.disclaw/workspaces/agent-x";
+    const result = sanitizeForDiscord(text, { home: "/home/user" });
+    expect(result).toBe("Workspace located at ~/.disclaw/workspaces/agent-x");
+    expect(result).not.toContain("/home/user");
+  });
+
+  // (c) Discord bot token pattern is redacted
+  it("redacts Discord bot tokens", () => {
+    const token = "MTA1NjYwNDczNTA3NDU2NjE2.GbXkRa.abcdefghijklmnopqrstuvwxyz123";
+    const text = `Bot initialized with token ${token} — ready.`;
+    const result = sanitizeForDiscord(text);
+    expect(result).not.toContain(token);
+    expect(result).toContain("<redacted>");
+  });
+
+  // (d) Anthropic API key is redacted
+  it("redacts Anthropic API keys", () => {
+    const key = "sk-ant-api03-ABCDEFGHIJ1234567890abcdefghij";
+    const text = `Using key ${key} for requests.`;
+    const result = sanitizeForDiscord(text);
+    expect(result).not.toContain(key);
+    expect(result).toContain("<redacted>");
+  });
+
+  // (e) Harmless text is not modified (no false positives)
+  it("does not modify harmless text", () => {
+    const text = "Hello! The agent processed your request successfully in 120ms.";
+    const result = sanitizeForDiscord(text, { home: "/home/user", repoRoot: "/home/user/project" });
+    expect(result).toBe(text);
+  });
+
+  // (f) Empty string returns empty string
+  it("handles empty string input", () => {
+    expect(sanitizeForDiscord("")).toBe("");
+    expect(sanitizeForDiscord("", { home: "/home/user", repoRoot: "/home/user/project" })).toBe("");
+  });
+
+  // (g) No opts provided — plain text stays unchanged when no token patterns present
+  it("returns text unchanged when no opts and no token patterns", () => {
+    const text = "This is a perfectly normal response from the agent.";
+    expect(sanitizeForDiscord(text)).toBe(text);
+  });
+
+  // Ordering: repoRoot (sub-path of home) is replaced before home
+  it("replaces repoRoot before home so nested paths are handled correctly", () => {
+    const text = "/home/user/project/src/index.ts and /home/user/other.ts";
+    const result = sanitizeForDiscord(text, {
+      repoRoot: "/home/user/project",
+      home: "/home/user",
+    });
+    expect(result).toBe("<disclaw>/src/index.ts and ~/other.ts");
+  });
+});

tests/unit/schemas.test.ts

@@ -0,0 +1,84 @@
+import { describe, it, expect } from "vitest";
+import { ZodError } from "zod";
+import { DisclawConfigSchema } from "../../src/config/schema";
+import { AgentYamlSchema } from "../../src/agent/schema";
+
+describe("DisclawConfigSchema", () => {
+  it("(a) parses valid disclaw.yaml data correctly", () => {
+    const input = {
+      workspaces_root: "/home/user/.disclaw/workspaces",
+      management_channel: "disclaw",
+      claude_command: "claude",
+      claude_timeout_seconds: 60,
+      max_concurrent_agents: 2,
+      env_blocklist: ["SECRET_KEY"],
+    };
+
+    const result = DisclawConfigSchema.parse(input);
+
+    expect(result.workspaces_root).toBe("/home/user/.disclaw/workspaces");
+    expect(result.management_channel).toBe("disclaw");
+    expect(result.claude_command).toBe("claude");
+    expect(result.claude_timeout_seconds).toBe(60);
+    expect(result.max_concurrent_agents).toBe(2);
+    expect(result.env_blocklist).toEqual(["SECRET_KEY"]);
+  });
+
+  it("(b) throws ZodError when workspaces_root is missing", () => {
+    const input = {
+      management_channel: "disclaw",
+    };
+
+    expect(() => DisclawConfigSchema.parse(input)).toThrow(ZodError);
+  });
+
+  it("(c) throws ZodError when claude_timeout_seconds is a string", () => {
+    const input = {
+      workspaces_root: "/some/path",
+      claude_timeout_seconds: "abc",
+    };
+
+    expect(() => DisclawConfigSchema.parse(input)).toThrow(ZodError);
+  });
+
+  it("(d) applies defaults when optional fields are not provided", () => {
+    const input = {
+      workspaces_root: "/some/path",
+    };
+
+    const result = DisclawConfigSchema.parse(input);
+
+    expect(result.management_channel).toBe("disclaw");
+    expect(result.claude_command).toBe("claude");
+    expect(result.claude_timeout_seconds).toBe(120);
+    expect(result.max_concurrent_agents).toBe(4);
+    expect(result.env_blocklist).toEqual([]);
+  });
+});
+
+describe("AgentYamlSchema", () => {
+  it("(e) parses valid agent.yaml data correctly", () => {
+    const input = {
+      name: "my-agent",
+      display_name: "My Agent",
+      role: "Backend developer",
+      channel_id: "1234567890",
+    };
+
+    const result = AgentYamlSchema.parse(input);
+
+    expect(result.name).toBe("my-agent");
+    expect(result.display_name).toBe("My Agent");
+    expect(result.role).toBe("Backend developer");
+    expect(result.channel_id).toBe("1234567890");
+  });
+
+  it("(f) throws ZodError when channel_id is missing", () => {
+    const input = {
+      name: "my-agent",
+      role: "Backend developer",
+    };
+
+    expect(() => AgentYamlSchema.parse(input)).toThrow(ZodError);
+  });
+});