Use pluginConfig directly for Dirigent runtime config

plugin/hooks/before-prompt-build.ts

@@ -21,7 +21,6 @@ type BeforePromptBuildDeps = {
   policyState: { channelPolicies: Record<string, unknown> };
   DECISION_TTL_MS: number;
   ensurePolicyStateLoaded: (api: OpenClawPluginApi, config: DirigentConfig) => void;
-  getLivePluginConfig: (api: OpenClawPluginApi, fallback: DirigentConfig) => DirigentConfig;
   shouldDebugLog: (config: DirigentConfig & DebugConfig, channelId?: string) => boolean;
   buildEndMarkerInstruction: (endSymbols: string[], isGroupChat: boolean, schedulingIdentifier: string, waitIdentifier: string) => string;
   buildSchedulingIdentifierInstruction: (schedulingIdentifier: string) => string;
@@ -37,7 +36,6 @@ export function registerBeforePromptBuildHook(deps: BeforePromptBuildDeps): void
     policyState,
     DECISION_TTL_MS,
     ensurePolicyStateLoaded,
-    getLivePluginConfig,
     shouldDebugLog,
     buildEndMarkerInstruction,
     buildSchedulingIdentifierInstruction,
@@ -48,7 +46,7 @@ export function registerBeforePromptBuildHook(deps: BeforePromptBuildDeps): void
     const key = ctx.sessionKey;
     if (!key) return;
 
-    const live = getLivePluginConfig(api, baseConfig as DirigentConfig) as DirigentConfig & DebugConfig;
+    const live = baseConfig as DirigentConfig & DebugConfig;
     ensurePolicyStateLoaded(api, live);
 
     let rec = sessionDecision.get(key);
@@ -118,17 +116,13 @@ export function registerBeforePromptBuildHook(deps: BeforePromptBuildDeps): void
     let identity = "";
     if (isGroupChat && ctx.agentId) {
       const idStr = buildAgentIdentity(api, ctx.agentId);
-      if (idStr) identity = idStr + "\n\n";
-    }
-
-    let schedulingInstruction = "";
-    if (isGroupChat) {
-      schedulingInstruction = buildSchedulingIdentifierInstruction(schedulingId);
+      if (idStr) {
+        identity = `\n\nYour agent identity: ${idStr}.`;
+      }
     }
 
+    const schedulingInstruction = isGroupChat ? buildSchedulingIdentifierInstruction(schedulingId) : "";
+    (event as Record<string, unknown>).prompt = `${prompt}\n\n${instruction}${identity}${schedulingInstruction}`;
     sessionInjected.add(key);
-
-    api.logger.info(`dirigent: prepend end marker instruction for session=${key}, reason=${rec.decision.reason} isGroupChat=${isGroupChat}`);
-    return { prependContext: identity + instruction + schedulingInstruction };
   });
 }