diff --git a/docs/plans/state.json b/docs/plans/state.json
index 3c8ed8c..3e0dacc 100644
--- a/docs/plans/state.json
+++ b/docs/plans/state.json
@@ -2700,6 +2700,33 @@
         "src/skills/installer.test.ts"
       ],
       "test_status": "pnpm exec eslint on edited files + pnpm lint passing (0 errors, 0 warnings)"
+    },
+    "audit-followup-typecheck-strict-burndown": {
+      "status": "completed",
+      "date": "2026-02-16",
+      "updated": "2026-02-16",
+      "summary": "Closed strict TypeScript fallout after lint cleanup by typing setup wizard config output (`SetupConfig`), tightening optional field handling in setup summary/tests, updating routing/tailscale/tool policy test mocks for strict compatibility, and fixing narrow production strictness in OpenAI/GitHub image URL mapping and file.list glob filtering.",
+      "files_modified": [
+        "src/cli/setup/channels.test.ts",
+        "src/cli/setup/config.test.ts",
+        "src/cli/setup/config.ts",
+        "src/cli/setup/integration.test.ts",
+        "src/cli/setup/sections.test.ts",
+        "src/cli/setup/summary.ts",
+        "src/daemon/routing.test.ts",
+        "src/gateway/handlers/services.test.ts",
+        "src/gateway/tailscale.test.ts",
+        "src/models/github.ts",
+        "src/models/local/llamacpp.test.ts",
+        "src/models/local/ollama.test.ts",
+        "src/models/openai.baseurl.test.ts",
+        "src/models/openai.ts",
+        "src/tools/builtin/file-list.ts",
+        "src/tools/executor.test.ts",
+        "src/tools/registry.test.ts",
+        "docs/plans/state.json"
+      ],
+      "test_status": "pnpm typecheck + pnpm test:run src/cli/setup/channels.test.ts src/cli/setup/config.test.ts src/cli/setup/integration.test.ts src/cli/setup/sections.test.ts src/daemon/routing.test.ts src/gateway/handlers/services.test.ts src/gateway/tailscale.test.ts src/models/local/llamacpp.test.ts src/models/local/ollama.test.ts src/models/openai.baseurl.test.ts src/tools/executor.test.ts src/tools/registry.test.ts passing"
     }
   },
   "overall_progress": {
diff --git a/src/cli/setup/channels.test.ts b/src/cli/setup/channels.test.ts
index 962a48b..288c000 100644
--- a/src/cli/setup/channels.test.ts
+++ b/src/cli/setup/channels.test.ts
@@ -44,8 +44,8 @@ describe('setupChannels', () => {
     const builder = new ConfigBuilder();
     await setupChannels(p, builder);
     const config = builder.build();
-    expect(config.telegram.bot_token).toBe('123:ABC');
-    expect(config.telegram.allowed_chat_ids).toEqual([12345, 67890]);
+    expect(config.telegram!.bot_token).toBe('123:ABC');
+    expect(config.telegram!.allowed_chat_ids).toEqual([12345, 67890]);
   });
 
   it('configures discord channel', async () => {
@@ -54,7 +54,7 @@ describe('setupChannels', () => {
     const builder = new ConfigBuilder();
     await setupChannels(p, builder);
     const config = builder.build();
-    expect(config.discord.bot_token).toBe('MTIz.token');
-    expect(config.discord.allowed_guild_ids).toEqual(['guild1', 'guild2']);
+    expect(config.discord!.bot_token).toBe('MTIz.token');
+    expect(config.discord!.allowed_guild_ids).toEqual(['guild1', 'guild2']);
   });
 });
diff --git a/src/cli/setup/config.test.ts b/src/cli/setup/config.test.ts
index 33870b8..84b0768 100644
--- a/src/cli/setup/config.test.ts
+++ b/src/cli/setup/config.test.ts
@@ -17,8 +17,8 @@ describe('ConfigBuilder', () => {
     builder.setProvider('default', { provider: 'anthropic', model: 'test', api_key: 'k' });
     builder.setTelegram('123:ABC', [12345]);
     const obj = builder.build();
-    expect(obj.telegram.bot_token).toBe('123:ABC');
-    expect(obj.telegram.allowed_chat_ids).toEqual([12345]);
+    expect(obj.telegram!.bot_token).toBe('123:ABC');
+    expect(obj.telegram!.allowed_chat_ids).toEqual([12345]);
   });
 
   it('adds discord channel', () => {
@@ -26,8 +26,8 @@ describe('ConfigBuilder', () => {
     builder.setProvider('default', { provider: 'anthropic', model: 'test', api_key: 'k' });
     builder.setDiscord('MTIz.test', ['guild1']);
     const obj = builder.build();
-    expect(obj.discord.bot_token).toBe('MTIz.test');
-    expect(obj.discord.allowed_guild_ids).toEqual(['guild1']);
+    expect(obj.discord!.bot_token).toBe('MTIz.test');
+    expect(obj.discord!.allowed_guild_ids).toEqual(['guild1']);
   });
 
   it('adds fast tier', () => {
@@ -58,7 +58,7 @@ describe('ConfigBuilder', () => {
     const obj = builder.build();
     expect(obj.models.default.provider).toBe('openai');
     expect(obj.server.port).toBe(9999);
-    expect(obj.telegram.bot_token).toBe('123:ABC');
+    expect(obj.telegram!.bot_token).toBe('123:ABC');
   });
 
   it('sets memory embedding config', () => {
@@ -66,16 +66,16 @@ describe('ConfigBuilder', () => {
     builder.setProvider('default', { provider: 'anthropic', model: 'test', api_key: 'k' });
     builder.setMemoryEmbedding({ provider: 'openai', api_key: 'sk-emb' });
     const obj = builder.build();
-    expect(obj.memory.embedding.enabled).toBe(true);
-    expect(obj.memory.embedding.provider).toBe('openai');
-    expect(obj.memory.embedding.api_key).toBe('sk-emb');
+    expect(obj.memory!.embedding!.enabled).toBe(true);
+    expect(obj.memory!.embedding!.provider).toBe('openai');
+    expect(obj.memory!.embedding!.api_key).toBe('sk-emb');
   });
 
   it('sets sandbox enabled', () => {
     const builder = new ConfigBuilder();
     builder.setSandboxEnabled(true);
     const obj = builder.build();
-    expect(obj.sandbox.enabled).toBe(true);
+    expect(obj.sandbox!.enabled).toBe(true);
   });
 
   it('sets gateway auth token', () => {
diff --git a/src/cli/setup/config.ts b/src/cli/setup/config.ts
index ba7499e..ddb37cb 100644
--- a/src/cli/setup/config.ts
+++ b/src/cli/setup/config.ts
@@ -14,8 +14,40 @@ interface EmbeddingConfig {
   endpoint?: string;
 }
 
+export interface SetupConfig {
+  log_level?: string;
+  models: Record<string, ProviderConfig & Record<string, unknown>>;
+  server: {
+    port?: number;
+    localhost?: boolean;
+    token?: string;
+    lock?: boolean;
+    tailscale?: { serve?: boolean };
+  } & Record<string, unknown>;
+  hooks?: Record<string, unknown>;
+  telegram?: { bot_token: string; allowed_chat_ids: number[] };
+  discord?: { bot_token: string; allowed_guild_ids: string[] };
+  slack?: { bot_token: string; app_token: string; signing_secret: string; allowed_channel_ids: string[] };
+  whatsapp?: { allowed_numbers: string[] };
+  memory?: { embedding?: { enabled?: boolean; provider?: string; api_key?: string; endpoint?: string } };
+  sandbox?: { enabled?: boolean };
+  pairing?: { enabled?: boolean };
+  tools?: { profile?: string };
+  automation?: {
+    cron?: Array<Record<string, unknown>>;
+    webhooks?: Array<Record<string, unknown>>;
+    gmail?: { enabled?: boolean };
+    gcal?: { enabled?: boolean };
+    gdocs?: { enabled?: boolean };
+    gdrive?: { enabled?: boolean };
+    gtasks?: { enabled?: boolean };
+    heartbeat?: { enabled?: boolean };
+  } & Record<string, unknown>;
+  [key: string]: unknown;
+}
+
 export class ConfigBuilder {
-  private config: Record<string, unknown>;
+  private config: SetupConfig;
 
   constructor() {
     this.config = {
@@ -32,13 +64,13 @@ export class ConfigBuilder {
 
   static fromObject(obj: Record<string, unknown>): ConfigBuilder {
     const builder = new ConfigBuilder();
-    builder.config = structuredClone(obj);
+    builder.config = structuredClone(obj) as SetupConfig;
     return builder;
   }
 
   setProvider(tier: 'default' | 'fast' | 'complex' | 'local', cfg: ProviderConfig): void {
-    const models = (this.config.models ?? {}) as Record<string, unknown>;
-    const entry: Record<string, unknown> = { provider: cfg.provider, model: cfg.model };
+    const models = (this.config.models ?? {}) as SetupConfig['models'];
+    const entry: ProviderConfig & Record<string, unknown> = { provider: cfg.provider, model: cfg.model };
     if (cfg.api_key) {entry.api_key = cfg.api_key;}
     if (cfg.auth_token) {entry.auth_token = cfg.auth_token;}
     if (cfg.endpoint) {entry.endpoint = cfg.endpoint;}
@@ -155,8 +187,8 @@ export class ConfigBuilder {
     this.config.automation = automation;
   }
 
-  build(): Record<string, unknown> {
-    return structuredClone(this.config) as Record<string, unknown>;
+  build(): SetupConfig {
+    return structuredClone(this.config) as SetupConfig;
   }
 
   toYaml(): string {
diff --git a/src/cli/setup/integration.test.ts b/src/cli/setup/integration.test.ts
index be38563..34abbad 100644
--- a/src/cli/setup/integration.test.ts
+++ b/src/cli/setup/integration.test.ts
@@ -37,8 +37,8 @@ describe('first-run wizard integration', () => {
     expect(config.models.default.api_key).toBe('sk-ant-key');
     expect(config.server.port).toBeDefined();
 
-    const reparsed = parse(yaml);
-    expect(reparsed.models.default.provider).toBe('anthropic');
+    const reparsed = parse(yaml) as { models?: { default?: { provider?: string } } };
+    expect(reparsed.models!.default!.provider).toBe('anthropic');
   });
 
   it('produces valid config with ollama + telegram', async () => {
@@ -60,7 +60,7 @@ describe('first-run wizard integration', () => {
     const config = builder.build();
 
     expect(config.models.default.provider).toBe('ollama');
-    expect(config.telegram.bot_token).toBe('123:ABCdef');
-    expect(config.telegram.allowed_chat_ids).toEqual([12345678]);
+    expect(config.telegram!.bot_token).toBe('123:ABCdef');
+    expect(config.telegram!.allowed_chat_ids).toEqual([12345678]);
   });
 });
diff --git a/src/cli/setup/sections.test.ts b/src/cli/setup/sections.test.ts
index 3789e7e..4c2fb09 100644
--- a/src/cli/setup/sections.test.ts
+++ b/src/cli/setup/sections.test.ts
@@ -37,8 +37,8 @@ describe('setupMemory', () => {
     builder.setProvider('default', { provider: 'openai', model: 'gpt-4.1', api_key: 'sk-test' });
     await setupMemory(p, builder);
     const config = builder.build();
-    expect(config.memory.embedding.enabled).toBe(true);
-    expect(config.memory.embedding.provider).toBe('openai');
+    expect(config.memory!.embedding!.enabled).toBe(true);
+    expect(config.memory!.embedding!.provider).toBe('openai');
   });
 
   it('skips vector search when declined', async () => {
@@ -58,8 +58,8 @@ describe('setupSecurity', () => {
     const builder = new ConfigBuilder();
     await setupSecurity(p, builder);
     const config = builder.build();
-    expect(config.sandbox.enabled).toBe(true);
-    expect(config.pairing.enabled).toBe(true);
+    expect(config.sandbox!.enabled).toBe(true);
+    expect(config.pairing!.enabled).toBe(true);
   });
 });
 
diff --git a/src/cli/setup/summary.ts b/src/cli/setup/summary.ts
index 4e5bf1d..54979c6 100644
--- a/src/cli/setup/summary.ts
+++ b/src/cli/setup/summary.ts
@@ -1,4 +1,6 @@
-export function renderSummary(config: Record<string, unknown>): string {
+import type { SetupConfig } from './config.js';
+
+export function renderSummary(config: SetupConfig): string {
   const lines: string[] = [];
 
   const models = config.models ?? {};
@@ -22,8 +24,8 @@ export function renderSummary(config: Record<string, unknown>): string {
 
   const auto = config.automation ?? {};
   const autoFeatures: string[] = [];
-  if (auto.cron?.length > 0) {autoFeatures.push(`${auto.cron.length} cron jobs`);}
-  if (auto.webhooks?.length > 0) {autoFeatures.push('webhooks');}
+  if (Array.isArray(auto.cron) && auto.cron.length > 0) {autoFeatures.push(`${auto.cron.length} cron jobs`);}
+  if (Array.isArray(auto.webhooks) && auto.webhooks.length > 0) {autoFeatures.push('webhooks');}
   if (auto.gmail?.enabled) {autoFeatures.push('gmail');}
   if (auto.gcal?.enabled) {autoFeatures.push('gcal');}
   if (auto.gdocs?.enabled) {autoFeatures.push('gdocs');}
diff --git a/src/daemon/routing.test.ts b/src/daemon/routing.test.ts
index 0535e84..a727ebf 100644
--- a/src/daemon/routing.test.ts
+++ b/src/daemon/routing.test.ts
@@ -99,18 +99,18 @@ describe('daemon command fast-path integration', () => {
     const router = createMessageRouter({
       sessionManager: {
         getSession: vi.fn(() => session),
-      } as MessageRouterDeps['sessionManager'],
+      } as unknown as MessageRouterDeps['sessionManager'],
       modelRouter: {
         getAvailableTiers: () => ['fast', 'default', 'complex', 'local'],
         getAllLabels: () => ({ fast: 'fast', default: 'default', complex: 'complex', local: 'local' }),
         getLabel: (tier: string) => tier,
-      } as MessageRouterDeps['modelRouter'],
+      } as unknown as MessageRouterDeps['modelRouter'],
       systemPrompt: 'test prompt',
       toolRegistry: {
         clone() { return this; },
         register: vi.fn(),
-      } as MessageRouterDeps['toolRegistry'],
-      toolExecutor: {} as MessageRouterDeps['toolExecutor'],
+      } as unknown as MessageRouterDeps['toolRegistry'],
+      toolExecutor: {} as unknown as MessageRouterDeps['toolExecutor'],
       config: {
         agents: {
           primary_tier: 'default',
@@ -126,16 +126,17 @@ describe('daemon command fast-path integration', () => {
         },
         compaction: { enabled: false },
         models: { default: { provider: 'anthropic', model: 'claude' } },
-      } as MessageRouterDeps['config'],
+      } as unknown as MessageRouterDeps['config'],
       commandRegistry,
     });
 
-    const reply = vi.fn(async () => {});
+    const reply = vi.fn(async (_message: OutboundMessage) => {});
     await router.handler({
       id: 'm1',
       channel: 'telegram',
       senderId: 'user-1',
       text: '/reset',
+      timestamp: Date.now(),
       metadata: { isCommand: true, command: 'reset' },
     } as MessageRouterInput, reply);
 
@@ -163,18 +164,18 @@ describe('daemon command fast-path integration', () => {
     const router = createMessageRouter({
       sessionManager: {
         getSession: vi.fn(() => session),
-      } as MessageRouterDeps['sessionManager'],
+      } as unknown as MessageRouterDeps['sessionManager'],
       modelRouter: {
         getAvailableTiers: () => ['fast', 'default', 'complex', 'local'],
         getAllLabels: () => ({ fast: 'fast', default: 'default', complex: 'complex', local: 'local' }),
         getLabel: (tier: string) => tier,
-      } as MessageRouterDeps['modelRouter'],
+      } as unknown as MessageRouterDeps['modelRouter'],
       systemPrompt: 'test prompt',
       toolRegistry: {
         clone() { return this; },
         register: vi.fn(),
-      } as MessageRouterDeps['toolRegistry'],
-      toolExecutor: {} as MessageRouterDeps['toolExecutor'],
+      } as unknown as MessageRouterDeps['toolRegistry'],
+      toolExecutor: {} as unknown as MessageRouterDeps['toolExecutor'],
       config: {
         agents: {
           primary_tier: 'default',
@@ -190,16 +191,17 @@ describe('daemon command fast-path integration', () => {
         },
         compaction: { enabled: false },
         models: { default: { provider: 'anthropic', model: 'claude' } },
-      } as MessageRouterDeps['config'],
+      } as unknown as MessageRouterDeps['config'],
       commandRegistry,
     });
 
-    const reply = vi.fn(async () => {});
+    const reply = vi.fn(async (_message: OutboundMessage) => {});
     await router.handler({
       id: 'm4',
       channel: 'telegram',
       senderId: 'user-4',
       text: '/model fast',
+      timestamp: Date.now(),
       metadata: { isCommand: true, command: 'model', commandArgs: 'fast' },
     } as MessageRouterInput, reply);
 
@@ -247,18 +249,18 @@ describe('daemon command fast-path integration', () => {
     const router = createMessageRouter({
       sessionManager: {
         getSession: vi.fn(() => session),
-      } as MessageRouterDeps['sessionManager'],
+      } as unknown as MessageRouterDeps['sessionManager'],
       modelRouter: {
         getAvailableTiers: () => ['fast', 'default', 'complex', 'local'],
         getAllLabels: () => ({ fast: 'fast', default: 'default', complex: 'complex', local: 'local' }),
         getLabel: (tier: string) => tier,
-      } as MessageRouterDeps['modelRouter'],
+      } as unknown as MessageRouterDeps['modelRouter'],
       systemPrompt: 'test prompt',
       toolRegistry: {
         clone() { return this; },
         register: vi.fn(),
-      } as MessageRouterDeps['toolRegistry'],
-      toolExecutor: {} as MessageRouterDeps['toolExecutor'],
+      } as unknown as MessageRouterDeps['toolRegistry'],
+      toolExecutor: {} as unknown as MessageRouterDeps['toolExecutor'],
       config: {
         intents: { enabled: true },
         agents: {
@@ -275,7 +277,7 @@ describe('daemon command fast-path integration', () => {
         },
         compaction: { enabled: false },
         models: { default: { provider: 'anthropic', model: 'claude' } },
-      } as MessageRouterDeps['config'],
+      } as unknown as MessageRouterDeps['config'],
       commandRegistry,
       intentRegistry,
       agentConfigRegistry,
@@ -287,6 +289,7 @@ describe('daemon command fast-path integration', () => {
       channel: 'telegram',
       senderId: 'user-2',
       text: 'deploy backend now',
+      timestamp: Date.now(),
       metadata: { isCommand: true, command: 'reset' },
     } as MessageRouterInput, vi.fn(async () => {}));
 
@@ -340,18 +343,18 @@ describe('daemon command fast-path integration', () => {
     const router = createMessageRouter({
       sessionManager: {
         getSession: vi.fn(() => session),
-      } as MessageRouterDeps['sessionManager'],
+      } as unknown as MessageRouterDeps['sessionManager'],
       modelRouter: {
         getAvailableTiers: () => ['fast', 'default', 'complex', 'local'],
         getAllLabels: () => ({ fast: 'fast', default: 'default', complex: 'complex', local: 'local' }),
         getLabel: (tier: string) => tier,
-      } as MessageRouterDeps['modelRouter'],
+      } as unknown as MessageRouterDeps['modelRouter'],
       systemPrompt: 'test prompt',
       toolRegistry: {
         clone() { return this; },
         register: vi.fn(),
-      } as MessageRouterDeps['toolRegistry'],
-      toolExecutor: {} as MessageRouterDeps['toolExecutor'],
+      } as unknown as MessageRouterDeps['toolRegistry'],
+      toolExecutor: {} as unknown as MessageRouterDeps['toolExecutor'],
       config: {
         intents: { enabled: true },
         agents: {
@@ -368,7 +371,7 @@ describe('daemon command fast-path integration', () => {
         },
         compaction: { enabled: false },
         models: { default: { provider: 'anthropic', model: 'claude' } },
-      } as MessageRouterDeps['config'],
+      } as unknown as MessageRouterDeps['config'],
       commandRegistry,
       intentRegistry,
       routingPolicy,
@@ -381,6 +384,7 @@ describe('daemon command fast-path integration', () => {
       channel: 'telegram',
       senderId: 'user-3',
       text: 'deploy backend now',
+      timestamp: Date.now(),
       metadata: { isCommand: true, command: 'reset' },
     } as MessageRouterInput, vi.fn(async () => {}));
 
@@ -412,15 +416,15 @@ describe('daemon audio routing integration', () => {
     registerBuiltinCommands(commandRegistry);
 
     const router = createMessageRouter({
-      sessionManager: { getSession: vi.fn(() => session) } as MessageRouterDeps['sessionManager'],
+      sessionManager: { getSession: vi.fn(() => session) } as unknown as MessageRouterDeps['sessionManager'],
       modelRouter: {
         getAvailableTiers: () => ['default'],
         getAllLabels: () => ({ default: 'default' }),
         getLabel: (tier: string) => tier,
-      } as MessageRouterDeps['modelRouter'],
+      } as unknown as MessageRouterDeps['modelRouter'],
       systemPrompt: 'test prompt',
-      toolRegistry: { clone() { return this; }, register: vi.fn() } as MessageRouterDeps['toolRegistry'],
-      toolExecutor: {} as MessageRouterDeps['toolExecutor'],
+      toolRegistry: { clone() { return this; }, register: vi.fn() } as unknown as MessageRouterDeps['toolRegistry'],
+      toolExecutor: {} as unknown as MessageRouterDeps['toolExecutor'],
       config: {
         agents: {
           primary_tier: 'default',
@@ -438,11 +442,11 @@ describe('daemon audio routing integration', () => {
         // Anthropic doesn't support native audio; ensures routing hits the non-audio path.
         models: { default: { provider: 'anthropic', model: 'claude' } },
         audio: { enabled: false },
-      } as MessageRouterDeps['config'],
+      } as unknown as MessageRouterDeps['config'],
       commandRegistry,
     });
 
-    const reply = vi.fn(async () => {});
+    const reply = vi.fn(async (_message: OutboundMessage) => {});
     await router.handler({
       id: 'v1',
       channel: 'telegram',
@@ -485,15 +489,15 @@ describe('daemon audio routing integration', () => {
     registerBuiltinCommands(commandRegistry);
 
     const router = createMessageRouter({
-      sessionManager: { getSession: vi.fn(() => session) } as MessageRouterDeps['sessionManager'],
+      sessionManager: { getSession: vi.fn(() => session) } as unknown as MessageRouterDeps['sessionManager'],
       modelRouter: {
         getAvailableTiers: () => ['default'],
         getAllLabels: () => ({ default: 'default' }),
         getLabel: (tier: string) => tier,
-      } as MessageRouterDeps['modelRouter'],
+      } as unknown as MessageRouterDeps['modelRouter'],
       systemPrompt: 'test prompt',
-      toolRegistry: { clone() { return this; }, register: vi.fn() } as MessageRouterDeps['toolRegistry'],
-      toolExecutor: {} as MessageRouterDeps['toolExecutor'],
+      toolRegistry: { clone() { return this; }, register: vi.fn() } as unknown as MessageRouterDeps['toolRegistry'],
+      toolExecutor: {} as unknown as MessageRouterDeps['toolExecutor'],
       config: {
         agents: {
           primary_tier: 'default',
@@ -513,11 +517,11 @@ describe('daemon audio routing integration', () => {
           enabled: true,
           provider: { type: 'openai', endpoint: 'https://example.com/v1/audio/transcriptions', api_key: 'sk-test', model: 'whisper-1' },
         },
-      } as MessageRouterDeps['config'],
+      } as unknown as MessageRouterDeps['config'],
       commandRegistry,
     });
 
-    const reply = vi.fn(async () => {});
+    const reply = vi.fn(async (_message: OutboundMessage) => {});
     await router.handler({
       id: 'v2',
       channel: 'telegram',
diff --git a/src/gateway/handlers/services.test.ts b/src/gateway/handlers/services.test.ts
index 190fa0c..2f49264 100644
--- a/src/gateway/handlers/services.test.ts
+++ b/src/gateway/handlers/services.test.ts
@@ -52,7 +52,7 @@ describe('discoverServices', () => {
 
   it('marks configured channels as disconnected when adapter is not registered', () => {
     const cfg = makeBaseConfig();
-    withMutableConfig(cfg).telegram = { bot_token: 'x', allowed_chat_ids: [123] };
+    withMutableConfig(cfg).telegram = { bot_token: 'x', allowed_chat_ids: [123], require_mention: false };
 
     const reg = new ChannelRegistry();
     const services = discoverServices(cfg, reg);
@@ -62,7 +62,7 @@ describe('discoverServices', () => {
 
   it('uses adapter status when channel adapter is registered', () => {
     const cfg = makeBaseConfig();
-    withMutableConfig(cfg).telegram = { bot_token: 'x', allowed_chat_ids: [123] };
+    withMutableConfig(cfg).telegram = { bot_token: 'x', allowed_chat_ids: [123], require_mention: false };
 
     const reg = new ChannelRegistry();
     reg.register({
diff --git a/src/gateway/tailscale.test.ts b/src/gateway/tailscale.test.ts
index 1a5043d..8490d4f 100644
--- a/src/gateway/tailscale.test.ts
+++ b/src/gateway/tailscale.test.ts
@@ -8,12 +8,23 @@ vi.mock('child_process', () => ({
 }));
 
 const mockExecFile = vi.mocked(execFile);
-type ExecFileCallback = (error: Error | null, stdout: string, stderr: string) => void;
+type ExecFileCallback = NonNullable<Parameters<typeof execFile>[3]>;
 
 function mockChildProcess(): ChildProcess {
   return {} as ChildProcess;
 }
 
+function mockExecFileOnce(
+  impl: (callback: ExecFileCallback) => void,
+): void {
+  mockExecFile.mockImplementationOnce((_cmd, _args, _opts, callback) => {
+    if (typeof callback === 'function') {
+      impl(callback as ExecFileCallback);
+    }
+    return mockChildProcess();
+  });
+}
+
 describe('tailscale', () => {
   // Import after mocking
   let isTailscaleAvailable: typeof import('./tailscale.js').isTailscaleAvailable;
@@ -33,15 +44,8 @@ describe('tailscale', () => {
 
   describe('isTailscaleAvailable', () => {
     it('returns available when tailscale CLI works', async () => {
-      mockExecFile
-        .mockImplementationOnce((_cmd, _args, _opts, callback: ExecFileCallback) => {
-          callback(null, '1.62.0', '');
-          return mockChildProcess();
-        })
-        .mockImplementationOnce((_cmd, _args, _opts, callback: ExecFileCallback) => {
-          callback(null, '{}', '');
-          return mockChildProcess();
-        });
+      mockExecFileOnce((callback) => callback(null, '1.62.0', ''));
+      mockExecFileOnce((callback) => callback(null, '{}', ''));
 
       const result = await isTailscaleAvailable();
       expect(result.available).toBe(true);
@@ -49,10 +53,7 @@ describe('tailscale', () => {
     });
 
     it('returns unavailable when tailscale CLI fails', async () => {
-      mockExecFile.mockImplementationOnce((_cmd, _args, _opts, callback: ExecFileCallback) => {
-        callback(new Error('command not found'), '', 'command not found');
-        return mockChildProcess();
-      });
+      mockExecFileOnce((callback) => callback(new Error('command not found'), '', 'command not found'));
 
       const result = await isTailscaleAvailable();
       expect(result.available).toBe(false);
@@ -62,17 +63,8 @@ describe('tailscale', () => {
 
   describe('startTailscaleServe', () => {
     it('calls tailscale serve with correct args', async () => {
-      mockExecFile
-        // serve command
-        .mockImplementationOnce((_cmd, _args, _opts, callback: ExecFileCallback) => {
-          callback(null, '', '');
-          return mockChildProcess();
-        })
-        // status for hostname
-        .mockImplementationOnce((_cmd, _args, _opts, callback: ExecFileCallback) => {
-          callback(null, JSON.stringify({ Self: { DNSName: 'myhost.tailnet.ts.net.' } }), '');
-          return mockChildProcess();
-        });
+      mockExecFileOnce((callback) => callback(null, '', ''));
+      mockExecFileOnce((callback) => callback(null, JSON.stringify({ Self: { DNSName: 'myhost.tailnet.ts.net.' } }), ''));
 
       const url = await startTailscaleServe({ localPort: 18800 });
       expect(url).toBe('https://myhost.tailnet.ts.net');
@@ -83,15 +75,8 @@ describe('tailscale', () => {
     });
 
     it('uses custom serve port', async () => {
-      mockExecFile
-        .mockImplementationOnce((_cmd, _args, _opts, callback: ExecFileCallback) => {
-          callback(null, '', '');
-          return mockChildProcess();
-        })
-        .mockImplementationOnce((_cmd, _args, _opts, callback: ExecFileCallback) => {
-          callback(null, JSON.stringify({ Self: { DNSName: 'myhost.tailnet.ts.net.' } }), '');
-          return mockChildProcess();
-        });
+      mockExecFileOnce((callback) => callback(null, '', ''));
+      mockExecFileOnce((callback) => callback(null, JSON.stringify({ Self: { DNSName: 'myhost.tailnet.ts.net.' } }), ''));
 
       const url = await startTailscaleServe({ localPort: 18800, servePort: 8443 });
       expect(url).toBe('https://myhost.tailnet.ts.net:8443');
@@ -103,10 +88,7 @@ describe('tailscale', () => {
 
   describe('stopTailscaleServe', () => {
     it('calls tailscale serve off', async () => {
-      mockExecFile.mockImplementationOnce((_cmd, _args, _opts, callback: ExecFileCallback) => {
-        callback(null, '', '');
-        return mockChildProcess();
-      });
+      mockExecFileOnce((callback) => callback(null, '', ''));
 
       await stopTailscaleServe({ localPort: 18800 });
 
@@ -117,10 +99,7 @@ describe('tailscale', () => {
     });
 
     it('does not throw on failure', async () => {
-      mockExecFile.mockImplementationOnce((_cmd, _args, _opts, callback: ExecFileCallback) => {
-        callback(new Error('failed'), '', 'failed');
-        return mockChildProcess();
-      });
+      mockExecFileOnce((callback) => callback(new Error('failed'), '', 'failed'));
 
       // Should not throw
       await stopTailscaleServe({ localPort: 18800 });
diff --git a/src/models/github.ts b/src/models/github.ts
index 53c0305..cd08d46 100644
--- a/src/models/github.ts
+++ b/src/models/github.ts
@@ -39,7 +39,7 @@ function toOpenAIContent(content: string | MessageContentPart[]): string | OpenA
       }
       const url = part.source.type === 'base64'
         ? `data:${part.source.media_type};base64,${part.source.data}`
-        : part.source.url;
+        : (part.source.url ?? '');
       return { type: 'image_url', image_url: { url } };
     }
     if (part.type === 'audio') {
diff --git a/src/models/local/llamacpp.test.ts b/src/models/local/llamacpp.test.ts
index 8021876..3af472c 100644
--- a/src/models/local/llamacpp.test.ts
+++ b/src/models/local/llamacpp.test.ts
@@ -405,7 +405,7 @@ describe('normalizeMessagesForLlamaCpp', () => {
         content: [
           { type: 'text', text: 'Searching...' },
           { type: 'tool_use', id: 'call_1', name: 'web.search', input: { query: 'news' } },
-        ] as Message['content'],
+        ] as unknown as Message['content'],
       },
     ];
 
@@ -433,13 +433,13 @@ describe('normalizeMessagesForLlamaCpp', () => {
         role: 'assistant',
         content: [
           { type: 'tool_use', id: 'call_1', name: 'web.search', input: { query: 'news' } },
-        ] as Message['content'],
+        ] as unknown as Message['content'],
       },
       {
         role: 'user',
         content: [
           { type: 'tool_result', tool_use_id: 'call_1', content: 'Results here', is_error: false },
-        ] as Message['content'],
+        ] as unknown as Message['content'],
       },
     ];
 
@@ -460,14 +460,14 @@ describe('normalizeMessagesForLlamaCpp', () => {
         content: [
           { type: 'tool_use', id: 'call_a', name: 'tool.a', input: {} },
           { type: 'tool_use', id: 'call_b', name: 'tool.b', input: { x: 1 } },
-        ] as Message['content'],
+        ] as unknown as Message['content'],
       },
       {
         role: 'user',
         content: [
           { type: 'tool_result', tool_use_id: 'call_a', content: 'A result' },
           { type: 'tool_result', tool_use_id: 'call_b', content: 'B result' },
-        ] as Message['content'],
+        ] as unknown as Message['content'],
       },
     ];
 
@@ -492,13 +492,13 @@ describe('normalizeMessagesForLlamaCpp', () => {
         role: 'assistant',
         content: [
           { type: 'tool_use', id: 'call_1', name: 'file.read', input: { path: '/tmp/x' } },
-        ] as Message['content'],
+        ] as unknown as Message['content'],
       },
       {
         role: 'user',
         content: [
           { type: 'tool_result', tool_use_id: 'call_1', content: 'File not found', is_error: true },
-        ] as Message['content'],
+        ] as unknown as Message['content'],
       },
     ];
 
@@ -518,13 +518,13 @@ describe('normalizeMessagesForLlamaCpp', () => {
         content: [
           { type: 'text', text: 'Checking...' },
           { type: 'tool_use', id: 'tc_0', name: 'weather.get', input: { city: 'NYC' } },
-        ] as Message['content'],
+        ] as unknown as Message['content'],
       },
       {
         role: 'user',
         content: [
           { type: 'tool_result', tool_use_id: 'tc_0', content: 'Sunny, 72F' },
-        ] as Message['content'],
+        ] as unknown as Message['content'],
       },
       { role: 'assistant', content: 'The weather in NYC is sunny, 72F.' },
     ];
diff --git a/src/models/local/ollama.test.ts b/src/models/local/ollama.test.ts
index d7a55e2..8f5c01e 100644
--- a/src/models/local/ollama.test.ts
+++ b/src/models/local/ollama.test.ts
@@ -375,7 +375,7 @@ describe('normalizeMessagesForOllama', () => {
         content: [
           { type: 'text', text: 'Let me search for that.' },
           { type: 'tool_use', id: 'call_1', name: 'web.search', input: { query: 'latest news' } },
-        ] as Message['content'],
+        ] as unknown as Message['content'],
       },
     ];
 
@@ -402,13 +402,13 @@ describe('normalizeMessagesForOllama', () => {
         role: 'assistant',
         content: [
           { type: 'tool_use', id: 'call_1', name: 'web.search', input: { query: 'news' } },
-        ] as Message['content'],
+        ] as unknown as Message['content'],
       },
       {
         role: 'user',
         content: [
           { type: 'tool_result', tool_use_id: 'call_1', content: 'Breaking news: ...', is_error: false },
-        ] as Message['content'],
+        ] as unknown as Message['content'],
       },
     ];
 
@@ -430,14 +430,14 @@ describe('normalizeMessagesForOllama', () => {
         content: [
           { type: 'tool_use', id: 'call_1', name: 'web.search', input: { query: 'a' } },
           { type: 'tool_use', id: 'call_2', name: 'web.search', input: { query: 'b' } },
-        ] as Message['content'],
+        ] as unknown as Message['content'],
       },
       {
         role: 'user',
         content: [
           { type: 'tool_result', tool_use_id: 'call_1', content: 'Result A' },
           { type: 'tool_result', tool_use_id: 'call_2', content: 'Result B' },
-        ] as Message['content'],
+        ] as unknown as Message['content'],
       },
     ];
 
@@ -457,13 +457,13 @@ describe('normalizeMessagesForOllama', () => {
         content: [
           { type: 'text', text: 'Let me check.' },
           { type: 'tool_use', id: 'tc_0', name: 'weather.get', input: { city: 'NYC' } },
-        ] as Message['content'],
+        ] as unknown as Message['content'],
       },
       {
         role: 'user',
         content: [
           { type: 'tool_result', tool_use_id: 'tc_0', content: 'Sunny, 72F' },
-        ] as Message['content'],
+        ] as unknown as Message['content'],
       },
       { role: 'assistant', content: 'The weather in NYC is sunny, 72F.' },
     ];
diff --git a/src/models/openai.baseurl.test.ts b/src/models/openai.baseurl.test.ts
index c78f4de..db7f604 100644
--- a/src/models/openai.baseurl.test.ts
+++ b/src/models/openai.baseurl.test.ts
@@ -23,6 +23,9 @@ describe('OpenAIClient', () => {
     });
 
     expect(capturedOptions).toBeDefined();
-    expect(capturedOptions.baseURL).toBe('https://example.com/v1');
+    if (!capturedOptions) {
+      throw new Error('Expected OpenAI options to be captured');
+    }
+    expect((capturedOptions as Record<string, unknown>)['baseURL']).toBe('https://example.com/v1');
   });
 });
diff --git a/src/models/openai.ts b/src/models/openai.ts
index 6fc0dad..29ed0c1 100644
--- a/src/models/openai.ts
+++ b/src/models/openai.ts
@@ -36,7 +36,7 @@ function toOpenAIContent(content: string | MessageContentPart[]): string | OpenA
       // OpenAI accepts data URIs or regular URLs
       const url = part.source.type === 'base64'
         ? `data:${part.source.media_type};base64,${part.source.data}`
-        : part.source.url;
+        : (part.source.url ?? '');
       return { type: 'image_url', image_url: { url } };
     }
     if (part.type === 'audio') {
diff --git a/src/tools/builtin/file-list.ts b/src/tools/builtin/file-list.ts
index 8be8db1..cef12ed 100644
--- a/src/tools/builtin/file-list.ts
+++ b/src/tools/builtin/file-list.ts
@@ -26,8 +26,9 @@ export const fileListTool: Tool = {
     const args = rawArgs as FileListArgs;
     try {
       let entries = readdirSync(args.path, { withFileTypes: true });
-      if (args.pattern) {
-        entries = entries.filter(e => matchGlob(e.name, args.pattern));
+      const pattern = args.pattern;
+      if (typeof pattern === 'string' && pattern.length > 0) {
+        entries = entries.filter(e => matchGlob(e.name, pattern));
       }
       const output = entries
         .map(e => e.isDirectory() ? `${e.name}/` : e.name)
diff --git a/src/tools/executor.test.ts b/src/tools/executor.test.ts
index 09facbd..3595985 100644
--- a/src/tools/executor.test.ts
+++ b/src/tools/executor.test.ts
@@ -400,7 +400,7 @@ describe('ToolExecutor', () => {
     const fakeManager = {
       getOrCreate: async () => fakeSandbox,
     } as { getOrCreate: (sessionId: string) => Promise<typeof fakeSandbox> };
-    executor.setSandboxManager(fakeManager);
+    executor.setSandboxManager(fakeManager as unknown as Parameters<typeof executor.setSandboxManager>[0]);
 
     const result = await executor.execute('shell.exec', { command: 'echo hi' }, {
       executionEnvironment: 'sandbox',
diff --git a/src/tools/registry.test.ts b/src/tools/registry.test.ts
index d5cf2c7..3fad70e 100644
--- a/src/tools/registry.test.ts
+++ b/src/tools/registry.test.ts
@@ -115,12 +115,12 @@ describe('ToolRegistry', () => {
 
     it('inherits the policy from original', () => {
       const reg = new ToolRegistry();
-      const mockPolicy: ToolPolicy = {
+      const mockPolicy = {
         filterTools: vi.fn((tools) => tools),
         isAllowed: vi.fn(() => true),
-        resolveAllowedNames: vi.fn(() => new Set()),
-        getEffectiveProfile: vi.fn(() => ({ profile: 'full', source: 'explicit' })),
-      };
+        resolveAllowedNames: vi.fn(() => new Set<string>()),
+        getEffectiveProfile: vi.fn<() => 'full'>(() => 'full'),
+      } as unknown as ToolPolicy;
       reg.setPolicy(mockPolicy);
 
       const cloned = reg.clone();