fix(agents): stabilize overflow compaction retries and session context accounting (openclaw#14102) thanks @vpesh

Verified:
- CI checks for commit 86a7ecb45e
- Rebase conflict resolution for compatibility with latest main

Co-authored-by: vpesh <9496634+vpesh@users.noreply.github.com>

src/auto-reply/reply/followup-runner.ts

@@ -194,6 +194,7 @@ export function createFollowupRunner(params: {
       }
 
       const usage = runResult.meta.agentMeta?.usage;
+      const promptTokens = runResult.meta.agentMeta?.promptTokens;
       const modelUsed = runResult.meta.agentMeta?.model ?? fallbackModel ?? defaultModel;
       const contextTokensUsed =
         agentCfgContextTokens ??
@@ -207,6 +208,7 @@ export function createFollowupRunner(params: {
           sessionKey,
           usage,
           lastCallUsage: runResult.meta.agentMeta?.lastCallUsage,
+          promptTokens,
           modelUsed,
           providerUsed: fallbackProvider,
           contextTokensUsed,