diff --git a/src/agents/llm-proxy.ts b/src/agents/llm-proxy.ts
new file mode 100644
index 000000000..16e62c6be
--- /dev/null
+++ b/src/agents/llm-proxy.ts
@@ -0,0 +1,62 @@
+/**
+ * LLM API proxy support.
+ *
+ * Uses undici's ProxyAgent to route all fetch() calls through a configured proxy.
+ * This is needed because pi-ai uses globalThis.fetch internally and doesn't
+ * accept a custom fetch function.
+ */
+import { ProxyAgent, setGlobalDispatcher, getGlobalDispatcher, type Dispatcher } from "undici";
+
+import type { ClawdbotConfig } from "../config/config.js";
+
+let originalDispatcher: Dispatcher | null = null;
+let currentProxyUrl: string | null = null;
+
+/**
+ * Configure the global fetch dispatcher to use an HTTP proxy for all requests.
+ * Call this before making LLM API calls when models.proxy is configured.
+ *
+ * Safe to call multiple times - only reconfigures if the proxy URL changes.
+ */
+export function setupLlmProxy(cfg: ClawdbotConfig | undefined): void {
+  const proxyUrl = cfg?.models?.proxy?.trim();
+
+  // No proxy configured - restore original dispatcher if we changed it
+  if (!proxyUrl) {
+    if (originalDispatcher) {
+      setGlobalDispatcher(originalDispatcher);
+      originalDispatcher = null;
+      currentProxyUrl = null;
+    }
+    return;
+  }
+
+  // Same proxy already configured - no action needed
+  if (proxyUrl === currentProxyUrl) {
+    return;
+  }
+
+  // Save original dispatcher on first proxy setup
+  if (!originalDispatcher) {
+    originalDispatcher = getGlobalDispatcher();
+  }
+
+  // Set up new proxy agent
+  const proxyAgent = new ProxyAgent(proxyUrl);
+  setGlobalDispatcher(proxyAgent);
+  currentProxyUrl = proxyUrl;
+}
+
+/**
+ * Check if an LLM proxy is currently configured and active.
+ */
+export function isLlmProxyActive(): boolean {
+  return currentProxyUrl !== null;
+}
+
+/**
+ * Get the currently configured proxy URL, if any.
+ */
+export function getLlmProxyUrl(): string | null {
+  return currentProxyUrl;
+}
diff --git a/src/agents/pi-embedded-runner/compact.ts b/src/agents/pi-embedded-runner/compact.ts
index 2daafd086..b9791fb3b 100644
--- a/src/agents/pi-embedded-runner/compact.ts
+++ b/src/agents/pi-embedded-runner/compact.ts
@@ -24,6 +24,7 @@ import { isReasoningTagProvider } from "../../utils/provider-utils.js";
 import { resolveUserPath } from "../../utils.js";
 import { resolveClawdbotAgentDir } from "../agent-paths.js";
 import { resolveSessionAgentIds } from "../agent-scope.js";
+import { setupLlmProxy } from "../llm-proxy.js";
 import { makeBootstrapWarn, resolveBootstrapContextForRun } from "../bootstrap-files.js";
 import { resolveClawdbotDocsPath } from "../docs-path.js";
 import type { ExecElevatedDefaults } from "../bash-tools.js";
@@ -109,6 +110,9 @@ export type CompactEmbeddedPiSessionParams = {
 export async function compactEmbeddedPiSessionDirect(
   params: CompactEmbeddedPiSessionParams,
 ): Promise<EmbeddedPiCompactResult> {
+  // Set up LLM proxy if configured (must be done before any fetch calls)
+  setupLlmProxy(params.config);
+
   const resolvedWorkspace = resolveUserPath(params.workspaceDir);
   const prevCwd = process.cwd();
 
diff --git a/src/agents/pi-embedded-runner/run/attempt.ts b/src/agents/pi-embedded-runner/run/attempt.ts
index f1c487470..2e01782fd 100644
--- a/src/agents/pi-embedded-runner/run/attempt.ts
+++ b/src/agents/pi-embedded-runner/run/attempt.ts
@@ -22,6 +22,7 @@ import { isSubagentSessionKey } from "../../../routing/session-key.js";
 import { resolveUserPath } from "../../../utils.js";
 import { createCacheTrace } from "../../cache-trace.js";
 import { createAnthropicPayloadLogger } from "../../anthropic-payload-log.js";
+import { setupLlmProxy } from "../../llm-proxy.js";
 import { resolveClawdbotAgentDir } from "../../agent-paths.js";
 import { resolveSessionAgentIds } from "../../agent-scope.js";
 import { makeBootstrapWarn, resolveBootstrapContextForRun } from "../../bootstrap-files.js";
@@ -133,6 +134,9 @@ export function injectHistoryImagesIntoMessages(
 export async function runEmbeddedAttempt(
   params: EmbeddedRunAttemptParams,
 ): Promise<EmbeddedRunAttemptResult> {
+  // Set up LLM proxy if configured (must be done before any fetch calls)
+  setupLlmProxy(params.config);
+
   const resolvedWorkspace = resolveUserPath(params.workspaceDir);
   const prevCwd = process.cwd();
   const runAbortController = new AbortController();
diff --git a/src/agents/tools/image-tool.ts b/src/agents/tools/image-tool.ts
index a640830fd..11d93a489 100644
--- a/src/agents/tools/image-tool.ts
+++ b/src/agents/tools/image-tool.ts
@@ -13,6 +13,7 @@ import { Type } from "@sinclair/typebox";
 
 import type { ClawdbotConfig } from "../../config/config.js";
 import { resolveUserPath } from "../../utils.js";
+import { setupLlmProxy } from "../llm-proxy.js";
 import { loadWebMedia } from "../../web/media.js";
 import { ensureAuthProfileStore, listProfilesForProvider } from "../auth-profiles.js";
 import { DEFAULT_MODEL, DEFAULT_PROVIDER } from "../defaults.js";
@@ -219,6 +220,9 @@ async function runImagePrompt(params: {
   model: string;
   attempts: Array<{ provider: string; model: string; error: string }>;
 }> {
+  // Set up LLM proxy if configured (must be done before any fetch calls)
+  setupLlmProxy(params.cfg);
+
   const effectiveCfg: ClawdbotConfig | undefined = params.cfg
     ? {
         ...params.cfg,
diff --git a/src/config/types.models.ts b/src/config/types.models.ts
index 11b6c64cb..39086f658 100644
--- a/src/config/types.models.ts
+++ b/src/config/types.models.ts
@@ -56,4 +56,6 @@ export type ModelsConfig = {
   mode?: "merge" | "replace";
   providers?: Record<string, ModelProviderConfig>;
   bedrockDiscovery?: BedrockDiscoveryConfig;
+  /** HTTP proxy URL for all LLM API calls (e.g., "http://user:pass@proxy:8080"). */
+  proxy?: string;
 };
diff --git a/src/config/zod-schema.core.ts b/src/config/zod-schema.core.ts
index 4a8c80bcc..8765c177d 100644
--- a/src/config/zod-schema.core.ts
+++ b/src/config/zod-schema.core.ts
@@ -77,6 +77,7 @@ export const ModelsConfigSchema = z
     mode: z.union([z.literal("merge"), z.literal("replace")]).optional(),
     providers: z.record(z.string(), ModelProviderSchema).optional(),
     bedrockDiscovery: BedrockDiscoverySchema,
+    proxy: z.string().optional(),
   })
   .strict()
   .optional();
diff --git a/src/feishu/monitor.ts b/src/feishu/monitor.ts
index 62246785a..5878c4dc2 100644
--- a/src/feishu/monitor.ts
+++ b/src/feishu/monitor.ts
@@ -7,6 +7,7 @@
  */
 
 import { createServer, type IncomingMessage, type ServerResponse } from "node:http";
+import os from "node:os";
 
 import type { ClawdbotConfig } from "../config/config.js";
 import { loadConfig } from "../config/config.js";
@@ -71,6 +72,24 @@ const FEISHU_RESTART_POLICY = {
   jitter: 0.25,
 };
 
+/**
+ * Get primary local IPv4 address
+ */
+function getLocalIPv4(): string {
+  const nets = os.networkInterfaces();
+  const prefer = ["en0", "eth0", "wlan0"];
+  for (const name of prefer) {
+    const list = nets[name];
+    const entry = list?.find((n) => n.family === "IPv4" && !n.internal);
+    if (entry?.address) return entry.address;
+  }
+  for (const list of Object.values(nets)) {
+    const entry = list?.find((n) => n.family === "IPv4" && !n.internal);
+    if (entry?.address) return entry.address;
+  }
+  return "unknown";
+}
+
 /**
  * Process a Feishu message event
  */
@@ -458,13 +477,44 @@ export async function monitorFeishuProvider(opts: MonitorFeishuOpts = {}): Promi
 
   // Verify credentials by getting bot info
   log(`feishu: verifying bot credentials...`);
+  let botName = "unknown";
+  let botOpenId = "unknown";
   try {
     const botInfo = await client.getBotInfo();
-    log(`feishu: connected as "${botInfo.app_name}" (${botInfo.open_id})`);
+    botName = botInfo.app_name ?? "unknown";
+    botOpenId = botInfo.open_id ?? "unknown";
+    log(`feishu: connected as "${botName}" (${botOpenId})`);
   } catch (err) {
     throw new Error(`Feishu authentication failed: ${formatErrorMessage(err)}`);
   }
 
+  // Send startup message if startupChatId is configured
+  const startupChatId = account.config.startupChatId?.trim();
+  if (startupChatId) {
+    const localIp = getLocalIPv4();
+    const hostname = os.hostname();
+    const version = process.env.CLAWDBOT_VERSION ?? process.env.npm_package_version ?? "unknown";
+    const timestamp = new Date().toLocaleString("zh-CN", { timeZone: "Asia/Shanghai" });
+
+    const startupMessage = [
+      `🤖 飞书机器人启动通知`,
+      ``,
+      `机器人: ${botName}`,
+      `Bot ID: ${botOpenId}`,
+      `主机名: ${hostname}`,
+      `本地IP: ${localIp}`,
+      `版本: ${version}`,
+      `启动时间: ${timestamp}`,
+    ].join("\n");
+
+    try {
+      await client.sendTextMessage(startupChatId, startupMessage);
+      log(`feishu: sent startup message to chat ${startupChatId}`);
+    } catch (err) {
+      log(`feishu: failed to send startup message: ${formatErrorMessage(err)}`);
+    }
+  }
+
   // Default to websocket mode (recommended, no public URL required)
   const eventMode = opts.eventMode ?? account.config.eventMode ?? "websocket";
   log(`feishu: event mode is "${eventMode}"`);
diff --git a/src/media-understanding/providers/image.ts b/src/media-understanding/providers/image.ts
index c2c4dbbd6..452b4eec3 100644
--- a/src/media-understanding/providers/image.ts
+++ b/src/media-understanding/providers/image.ts
@@ -3,6 +3,7 @@ import { complete } from "@mariozechner/pi-ai";
 import { discoverAuthStorage, discoverModels } from "@mariozechner/pi-coding-agent";
 
 import { getApiKeyForModel, requireApiKey } from "../../agents/model-auth.js";
+import { setupLlmProxy } from "../../agents/llm-proxy.js";
 import { ensureClawdbotModelsJson } from "../../agents/models-config.js";
 import { minimaxUnderstandImage } from "../../agents/minimax-vlm.js";
 import { coerceImageAssistantText } from "../../agents/tools/image-tool.helpers.js";
@@ -11,6 +12,9 @@ import type { ImageDescriptionRequest, ImageDescriptionResult } from "../types.j
 export async function describeImageWithModel(
   params: ImageDescriptionRequest,
 ): Promise<ImageDescriptionResult> {
+  // Set up LLM proxy if configured (must be done before any fetch calls)
+  setupLlmProxy(params.cfg);
+
   await ensureClawdbotModelsJson(params.cfg, params.agentDir);
   const authStorage = discoverAuthStorage(params.agentDir);
   const modelRegistry = discoverModels(authStorage, params.agentDir);