refactor: migrate extensions to plugin sdk

src/plugins/loader.ts

@@ -1,3 +1,6 @@
+import fs from "node:fs";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
 import { createJiti } from "jiti";
 
 import type { ClawdbotConfig } from "../config/config.js";
@@ -92,6 +95,24 @@ const normalizePluginsConfig = (config?: ClawdbotConfig["plugins"]): NormalizedP
   };
 };
 
+const resolvePluginSdkAlias = (): string | null => {
+  try {
+    let cursor = path.dirname(fileURLToPath(import.meta.url));
+    for (let i = 0; i < 6; i += 1) {
+      const distCandidate = path.join(cursor, "dist", "plugin-sdk", "index.js");
+      if (fs.existsSync(distCandidate)) return distCandidate;
+      const srcCandidate = path.join(cursor, "src", "plugin-sdk", "index.ts");
+      if (fs.existsSync(srcCandidate)) return srcCandidate;
+      const parent = path.dirname(cursor);
+      if (parent === cursor) break;
+      cursor = parent;
+    }
+  } catch {
+    // ignore
+  }
+  return null;
+};
+
 function buildCacheKey(params: {
   workspaceDir?: string;
   plugins: NormalizedPluginsConfig;
@@ -289,8 +310,10 @@ export function loadClawdbotPlugins(options: PluginLoadOptions = {}): PluginRegi
   });
   pushDiagnostics(registry.diagnostics, discovery.diagnostics);
 
+  const pluginSdkAlias = resolvePluginSdkAlias();
   const jiti = createJiti(import.meta.url, {
     interopDefault: true,
+    ...(pluginSdkAlias ? { alias: { "clawdbot/plugin-sdk": pluginSdkAlias } } : {}),
   });
 
   const seenIds = new Map<string, PluginRecord["origin"]>();

src/plugins/runtime/index.ts

@@ -6,6 +6,7 @@ import { createInboundDebouncer, resolveInboundDebounceMs } from "../../auto-rep
 import { buildMentionRegexes, matchesMentionPatterns } from "../../auto-reply/reply/mentions.js";
 import { dispatchReplyWithBufferedBlockDispatcher } from "../../auto-reply/reply/provider-dispatcher.js";
 import { createReplyDispatcherWithTyping } from "../../auto-reply/reply/reply-dispatcher.js";
+import { resolveEffectiveMessagesConfig, resolveHumanDelayConfig } from "../../agents/identity.js";
 import { resolveCommandAuthorizedFromAuthorizers } from "../../channels/command-gating.js";
 import { resolveChannelGroupPolicy, resolveChannelGroupRequireMention } from "../../config/group-policy.js";
 import { resolveStateDir } from "../../config/paths.js";
@@ -46,6 +47,8 @@ export function createPluginRuntime(): PluginRuntime {
       reply: {
         dispatchReplyWithBufferedBlockDispatcher,
         createReplyDispatcherWithTyping,
+        resolveEffectiveMessagesConfig,
+        resolveHumanDelayConfig,
       },
       routing: {
         resolveAgentRoute,

src/plugins/runtime/types.ts

@@ -25,6 +25,15 @@ export type PluginRuntime = {
         };
       }) => Promise<void>;
       createReplyDispatcherWithTyping: (...args: unknown[]) => unknown;
+      resolveEffectiveMessagesConfig: (
+        cfg: ClawdbotConfig,
+        agentId: string,
+        opts?: { hasAllowFrom?: boolean; fallbackMessagePrefix?: string },
+      ) => { messagePrefix: string; responsePrefix?: string };
+      resolveHumanDelayConfig: (
+        cfg: ClawdbotConfig,
+        agentId: string,
+      ) => { mode?: string; minMs?: number; maxMs?: number } | undefined;
     };
     routing: {
       resolveAgentRoute: (params: {