diff --git a/packages/agent-core-v2/src/agent/fullCompaction/compactionOps.ts b/packages/agent-core-v2/src/agent/fullCompaction/compactionOps.ts
index 13c8d5a2b..a2e424737 100644
--- a/packages/agent-core-v2/src/agent/fullCompaction/compactionOps.ts
+++ b/packages/agent-core-v2/src/agent/fullCompaction/compactionOps.ts
@@ -15,9 +15,9 @@
  * `begin` payload (and is persisted on the record for audit) but is not stored
  * in the Model; the result numbers are consumed live by the
  * `compaction.completed` signal and their durable effect (the summary message)
- * already lives in `contextMemory`. They are still carried on the `complete`
- * payload so the persisted record stays byte-compatible with the legacy wire
- * log, but `apply` ignores them and collapses to `idle`. Each `apply` returns
+ * already lives in `contextMemory`. The live `complete` payload is empty; legacy
+ * logs may still carry result numbers, and `apply` accepts and ignores them while
+ * collapsing to `idle`. Each `apply` returns
  * the same reference on a no-op so the wire's reference-equality gate stays
  * quiet; it carries no non-determinism.
  *
@@ -84,7 +84,7 @@ export const fullCompactionCancel = defineOp(CompactionModel, 'full_compaction.c
   apply: (s): CompactionState => (s.phase === 'idle' ? s : { phase: 'idle' }),
 });
 
-export type FullCompactionCompletePayload = FullCompactionCompleteData;
+export type FullCompactionCompletePayload = Partial<FullCompactionCompleteData>;
 
 export const fullCompactionComplete = defineOp(CompactionModel, 'full_compaction.complete', {
   apply: (s, _p: FullCompactionCompletePayload): CompactionState =>
diff --git a/packages/agent-core-v2/src/agent/fullCompaction/fullCompactionService.ts b/packages/agent-core-v2/src/agent/fullCompaction/fullCompactionService.ts
index c2895752b..6476ff3d0 100644
--- a/packages/agent-core-v2/src/agent/fullCompaction/fullCompactionService.ts
+++ b/packages/agent-core-v2/src/agent/fullCompaction/fullCompactionService.ts
@@ -42,11 +42,11 @@ import {
   fullCompactionBegin,
   fullCompactionCancel,
   fullCompactionComplete,
+  type FullCompactionCompletePayload,
 } from './compactionOps';
 import {
   type CompactionBeginData,
   type CompactionResult,
-  type FullCompactionCompleteData,
 } from './types';
 import { OrderedHookSlot } from '#/hooks';
 
@@ -60,7 +60,7 @@ declare module '#/agent/wireRecord/wireRecord' {
   interface WireRecordMap {
     'full_compaction.begin': CompactionBeginData;
     'full_compaction.cancel': {};
-    'full_compaction.complete': FullCompactionCompleteData;
+    'full_compaction.complete': FullCompactionCompletePayload;
   }
 }
 
@@ -207,9 +207,9 @@ export class AgentFullCompactionService extends Disposable implements IAgentFull
     return true;
   }
 
-  private markCompleted(active: ActiveCompaction, result: FullCompactionCompleteData): boolean {
+  private markCompleted(active: ActiveCompaction): boolean {
     if (this._compacting !== active) return false;
-    this.wire.dispatch(fullCompactionComplete(result));
+    this.wire.dispatch(fullCompactionComplete({}));
     this._compacting = null;
     return true;
   }
@@ -357,7 +357,7 @@ export class AgentFullCompactionService extends Disposable implements IAgentFull
 
       if (this._compacting !== active) throw compactionCancelledReason(active);
       this.lastCompactedTokenCount = finalResult.tokensAfter;
-      if (!this.markCompleted(active, completeData(finalResult))) {
+      if (!this.markCompleted(active)) {
         throw compactionCancelledReason(active);
       }
       const { contextSummary: _contextSummary, ...eventResult } = finalResult;
@@ -576,17 +576,6 @@ function collectSummary(finish: LLMRequestFinish): CompactionAttemptResult {
   return { summary, usage: finish.usage };
 }
 
-function completeData(result: CompactionResult): FullCompactionCompleteData {
-  return {
-    compactedCount: result.compactedCount,
-    tokensBefore: result.tokensBefore,
-    tokensAfter: result.tokensAfter,
-    keptUserMessageCount: result.keptUserMessageCount,
-    keptHeadUserMessageCount: result.keptHeadUserMessageCount,
-    droppedCount: result.droppedCount,
-  };
-}
-
 function historySafeToCompact(
   current: readonly ContextMessage[],
   original: readonly ContextMessage[],
diff --git a/packages/agent-core-v2/src/agent/profile/configSection.ts b/packages/agent-core-v2/src/agent/profile/configSection.ts
index 94b6c8449..cd7a55880 100644
--- a/packages/agent-core-v2/src/agent/profile/configSection.ts
+++ b/packages/agent-core-v2/src/agent/profile/configSection.ts
@@ -17,6 +17,7 @@ export const THINKING_SECTION = 'thinking';
 export const DEFAULT_THINKING_SECTION = 'defaultThinking';
 
 export const ThinkingConfigSchema = z.object({
+  enabled: z.boolean().optional(),
   mode: z.enum(['auto', 'on', 'off']).optional(),
   effort: z.string().optional(),
   keep: z.string().optional(),
diff --git a/packages/agent-core-v2/src/agent/profile/profileOps.ts b/packages/agent-core-v2/src/agent/profile/profileOps.ts
index 604ffe766..2216927e9 100644
--- a/packages/agent-core-v2/src/agent/profile/profileOps.ts
+++ b/packages/agent-core-v2/src/agent/profile/profileOps.ts
@@ -3,11 +3,13 @@
  * Op (`configUpdate`) for the agent's persistent configuration slice.
  *
  * Declares the persistent profile config — `cwd`, `modelAlias`, `profileName`,
- * the resolved `thinkingLevel`, and `systemPrompt` — as a wire Model (initial
+ * the resolved thinking effort, and `systemPrompt` — as a wire Model (initial
  * `defaultProfileModel()`), plus the single Op whose `apply` is a pure merge of
- * an already-resolved payload. `thinkingLevel` is resolved to a `ThinkingEffort`
- * at the call site (via `resolveThinkingEffort` + the `thinking` config section)
- * and carried in the payload, so `apply` stays pure and a resumed agent restores
+ * an already-resolved payload. Live records carry `thinkingEffort` (matching
+ * the v1 wire field); legacy replay still accepts `thinkingLevel`. The value is
+ * resolved to a `ThinkingEffort` at the call site (via `resolveThinkingEffort` +
+ * the `thinking` config section) and carried in the payload, so `apply` stays
+ * pure and a resumed agent restores
  * the persisted resolved value rather than re-resolving against a possibly-
  * drifted config. `modelCapabilities` is intentionally NOT in the Model — it is
  * derived live from `IModelResolver` so resume never pins stale capabilities.
@@ -27,6 +29,7 @@
  */
 
 import type { ThinkingEffort } from '#/app/llmProtocol/thinkingEffort';
+import { ErrorCodes, KimiError } from '#/errors';
 import { defineModel } from '#/wire/model';
 import { defineOp } from '#/wire/op';
 
@@ -47,6 +50,7 @@ export interface ConfigUpdatePayload {
   readonly cwd?: string;
   readonly modelAlias?: string;
   readonly profileName?: string;
+  readonly thinkingEffort?: ThinkingEffort;
   readonly thinkingLevel?: ThinkingEffort;
   readonly systemPrompt?: string;
 }
@@ -63,8 +67,9 @@ export const configUpdate = defineOp(ProfileModel, 'config.update', {
     if (p.profileName !== undefined && p.profileName !== s.profileName) {
       next = { ...(next ?? s), profileName: p.profileName };
     }
-    if (p.thinkingLevel !== undefined && p.thinkingLevel !== s.thinkingLevel) {
-      next = { ...(next ?? s), thinkingLevel: p.thinkingLevel };
+    const thinkingLevel = configUpdateThinkingLevel(p);
+    if (thinkingLevel !== undefined && thinkingLevel !== s.thinkingLevel) {
+      next = { ...(next ?? s), thinkingLevel };
     }
     if (p.systemPrompt !== undefined && p.systemPrompt !== s.systemPrompt) {
       next = { ...(next ?? s), systemPrompt: p.systemPrompt };
@@ -73,6 +78,27 @@ export const configUpdate = defineOp(ProfileModel, 'config.update', {
   },
 });
 
+function configUpdateThinkingLevel(p: ConfigUpdatePayload): ThinkingEffort | undefined {
+  if (p.thinkingEffort !== undefined && p.thinkingLevel !== undefined) {
+    if (p.thinkingEffort !== p.thinkingLevel) {
+      throw new KimiError(
+        ErrorCodes.REQUEST_INVALID,
+        `config.update has conflicting thinkingEffort (${p.thinkingEffort}) and legacy thinkingLevel (${p.thinkingLevel})`,
+        {
+          details: {
+            type: 'config.update',
+            thinkingEffort: p.thinkingEffort,
+            thinkingLevel: p.thinkingLevel,
+          },
+        },
+      );
+    }
+    return p.thinkingEffort;
+  }
+  if (p.thinkingEffort !== undefined) return p.thinkingEffort;
+  return p.thinkingLevel;
+}
+
 /**
  * The agent's active-tool set. `undefined` means "every tool is active" (the
  * unrestricted default before any `tools.set_active_tools`); a concrete array
diff --git a/packages/agent-core-v2/src/agent/profile/profileService.ts b/packages/agent-core-v2/src/agent/profile/profileService.ts
index 42d781f64..33db65258 100644
--- a/packages/agent-core-v2/src/agent/profile/profileService.ts
+++ b/packages/agent-core-v2/src/agent/profile/profileService.ts
@@ -35,7 +35,7 @@ import picomatch from 'picomatch';
 import { ErrorCodes, KimiError } from "#/errors";
 import { IBootstrapService } from '#/app/bootstrap/bootstrap';
 import { IConfigService } from '#/app/config/config';
-import { resolveThinkingEffort, resolveThinkingKeep } from './thinking';
+import { resolveThinkingEffort, resolveThinkingKeep, resolveThinkingLevel } from './thinking';
 import type { LoopControl } from '#/agent/loop/configSection';
 import { IHostEnvironment } from '#/os/interface/hostEnvironment';
 import { IHostFileSystem } from '#/os/interface/hostFileSystem';
@@ -63,6 +63,7 @@ import type {
 } from './profile';
 import { IAgentProfileService } from './profile';
 import {
+  DEFAULT_THINKING_SECTION,
   THINKING_SECTION,
   type ThinkingConfig,
 } from './configSection';
@@ -153,22 +154,27 @@ export class AgentProfileService implements IAgentProfileService {
     }
     // Resolve eagerly so an unknown model id fails the bind here rather than on
     // the first turn.
-    this.modelFactory.resolve(input.model);
+    const model = this.modelFactory.resolve(input.model);
 
     const context = await this.buildSystemPromptContext(input.cwd);
     const systemPrompt = profile.systemPrompt(context);
     const { agentsMdWarning } = context;
     this.agentsMdWarning = agentsMdWarning;
 
+    const thinkingLevel = resolveThinkingLevel(input.thinking, {
+      defaultThinking: this.config.get<boolean | undefined>(DEFAULT_THINKING_SECTION),
+      thinking: this.config.get<ThinkingConfig>(THINKING_SECTION),
+      model,
+    });
+
     this.update({
       cwd: input.cwd,
       profileName: profile.name,
-      modelAlias: input.model,
-      thinkingLevel: input.thinking,
       systemPrompt,
-      activeToolNames: profile.tools,
     });
-    this.wire.dispatch(configUpdate({}));
+    this.setActiveTools(profile.tools);
+    this.wire.dispatch(configUpdate({ modelAlias: input.model, thinkingEffort: thinkingLevel }));
+    this.afterConfigDispatch({ modelAlias: input.model, thinkingLevel });
 
     if (agentsMdWarning !== undefined) {
       this.eventBus.publish({
@@ -387,7 +393,7 @@ export class AgentProfileService implements IAgentProfileService {
     if (changed.profileName !== undefined) payload.profileName = changed.profileName;
     if (changed.thinkingLevel !== undefined) {
       const model = this.resolveModelForThinking(changed.modelAlias);
-      payload.thinkingLevel = resolveThinkingEffort(
+      payload.thinkingEffort = resolveThinkingEffort(
         changed.thinkingLevel,
         this.config.get<ThinkingConfig>(THINKING_SECTION),
         model,
diff --git a/packages/agent-core-v2/src/agent/prompt/promptService.ts b/packages/agent-core-v2/src/agent/prompt/promptService.ts
index d3967710a..eb12af8c3 100644
--- a/packages/agent-core-v2/src/agent/prompt/promptService.ts
+++ b/packages/agent-core-v2/src/agent/prompt/promptService.ts
@@ -56,9 +56,13 @@ export class AgentPromptService implements IAgentPromptService {
 
   async prompt(message: ContextMessage): Promise<Turn | undefined> {
     const stamped = ensureMessageId(message);
+    if (await this.blockedByHook(stamped, false)) {
+      this.append(stamped);
+      return undefined;
+    }
+    const turn = this.launch({ input: stamped.content, origin: stamped.origin });
     this.append(stamped);
-    if (await this.blockedByHook(stamped, false)) return undefined;
-    return this.launch({ input: stamped.content, origin: stamped.origin });
+    return turn;
   }
 
   steer(message: ContextMessage): PromptSteerHandle {
diff --git a/packages/agent-core-v2/src/agent/turn/turnService.ts b/packages/agent-core-v2/src/agent/turn/turnService.ts
index c0c74843d..5d79f17bd 100644
--- a/packages/agent-core-v2/src/agent/turn/turnService.ts
+++ b/packages/agent-core-v2/src/agent/turn/turnService.ts
@@ -65,11 +65,12 @@ export class AgentTurnService implements IAgentTurnService {
     }
 
     const turnId = this.wire.getModel(TurnModel).nextTurnId;
+    const origin = prompt?.origin ?? USER_PROMPT_ORIGIN;
     this.wire.dispatch(
       promptTurn({
         turnId,
         input: prompt?.input,
-        origin: prompt?.origin,
+        origin,
         steer: prompt?.steer,
       }),
     );
@@ -83,7 +84,7 @@ export class AgentTurnService implements IAgentTurnService {
     };
     void ready.catch(() => undefined);
     this.activeTurn = turn;
-    this.eventBus.publish({ type: 'turn.started', turnId: turn.id, origin: prompt?.origin ?? USER_PROMPT_ORIGIN });
+    this.eventBus.publish({ type: 'turn.started', turnId: turn.id, origin });
     turn.result = this.runTurn(turn, ready);
     return turn;
   }
diff --git a/packages/agent-core-v2/src/agent/usage/usageOps.ts b/packages/agent-core-v2/src/agent/usage/usageOps.ts
index 1f921f0c6..62d61bb0f 100644
--- a/packages/agent-core-v2/src/agent/usage/usageOps.ts
+++ b/packages/agent-core-v2/src/agent/usage/usageOps.ts
@@ -15,6 +15,7 @@
 import { addUsage, type TokenUsage } from '#/app/llmProtocol/usage';
 import type { LLMRequestSource } from '#/agent/llmRequester/llmRequester';
 import type { AgentPhase } from '#/agent/runtime/runtime';
+import { ErrorCodes, KimiError } from '#/errors';
 import { defineModel } from '#/wire/model';
 import { defineOp } from '#/wire/op';
 
@@ -46,29 +47,29 @@ export interface UsageModelState {
 
 export const UsageModel = defineModel<UsageModelState>('usage', () => ({ byModel: {} }));
 
+export interface UsageRecordPayload {
+  readonly model: string;
+  readonly usage: TokenUsage;
+  readonly usageScope?: UsageRecordScope;
+  readonly turnId?: number;
+  readonly context?: LLMRequestSource;
+}
+
 export const recordUsage = defineOp(UsageModel, 'usage.record', {
-  apply: (
-    s,
-    p: {
-      model: string;
-      usage: TokenUsage;
-      usageScope?: UsageRecordScope;
-      context?: LLMRequestSource;
-    },
-  ): UsageModelState => {
+  apply: (s, p: UsageRecordPayload): UsageModelState => {
     const current = s.byModel[p.model];
     const byModel = {
       ...s.byModel,
       [p.model]: current === undefined ? copyUsage(p.usage) : addUsage(current, p.usage),
     };
 
-    const source = p.context;
-    if (source?.type !== 'turn') {
+    const turnId = turnIdFromUsagePayload(p);
+    if (turnId === undefined) {
       return { byModel, currentTurnId: s.currentTurnId, currentTurn: s.currentTurn };
     }
 
-    if (s.currentTurnId !== source.turnId) {
-      return { byModel, currentTurnId: source.turnId, currentTurn: copyUsage(p.usage) };
+    if (s.currentTurnId !== turnId) {
+      return { byModel, currentTurnId: turnId, currentTurn: copyUsage(p.usage) };
     }
     return {
       byModel,
@@ -83,6 +84,26 @@ export const recordUsage = defineOp(UsageModel, 'usage.record', {
   }),
 });
 
+function turnIdFromUsagePayload(p: UsageRecordPayload): number | undefined {
+  const legacyContext = p.context;
+  const legacyTurnId = legacyContext?.type === 'turn' ? legacyContext.turnId : undefined;
+  if (p.turnId !== undefined && legacyTurnId !== undefined && p.turnId !== legacyTurnId) {
+    throw new KimiError(
+      ErrorCodes.REQUEST_INVALID,
+      `usage.record has conflicting turnId (${p.turnId}) and legacy context turnId (${legacyTurnId})`,
+      {
+        details: {
+          type: 'usage.record',
+          turnId: p.turnId,
+          legacyTurnId,
+        },
+      },
+    );
+  }
+  if (p.turnId !== undefined) return p.turnId;
+  return legacyTurnId;
+}
+
 function copyUsage(usage: TokenUsage): TokenUsage {
   return { ...usage };
 }
diff --git a/packages/agent-core-v2/src/agent/usage/usageService.ts b/packages/agent-core-v2/src/agent/usage/usageService.ts
index b1c374e6a..1ddaf7f4b 100644
--- a/packages/agent-core-v2/src/agent/usage/usageService.ts
+++ b/packages/agent-core-v2/src/agent/usage/usageService.ts
@@ -28,7 +28,8 @@ export class AgentUsageService extends Disposable implements IAgentUsageService
 
   record(model: string, usage: TokenUsage, source?: LLMRequestSource): void {
     const usageScope: UsageRecordScope = source?.type === 'turn' ? 'turn' : 'session';
-    this.wire.dispatch(recordUsage({ model, usage, usageScope, context: source }));
+    const turnId = source?.type === 'turn' ? source.turnId : undefined;
+    this.wire.dispatch(recordUsage({ model, usage, usageScope, turnId }));
   }
 
   status(): UsageStatus {
diff --git a/packages/agent-core-v2/src/agent/wireRecord/v1WireSerializer.ts b/packages/agent-core-v2/src/agent/wireRecord/v1WireSerializer.ts
index 29493ac9b..5c6e2fe90 100644
--- a/packages/agent-core-v2/src/agent/wireRecord/v1WireSerializer.ts
+++ b/packages/agent-core-v2/src/agent/wireRecord/v1WireSerializer.ts
@@ -36,7 +36,12 @@ function reshape(record: PersistedRecord): readonly PersistedRecord[] {
       return [out as PersistedRecord];
     }
     case 'context.append_message': {
-      return [record];
+      return [
+        {
+          ...record,
+          message: stripMessageId(record['message']),
+        } as PersistedRecord,
+      ];
     }
     case 'context.splice': {
       const messages = record['messages'] as
@@ -46,7 +51,7 @@ function reshape(record: PersistedRecord): readonly PersistedRecord[] {
       const out: PersistedRecord[] = [];
       for (const message of messages) {
         if (message?.origin?.kind === 'injection') {
-          out.push({ type: 'context.append_message', message });
+          out.push({ type: 'context.append_message', message: stripMessageId(message) });
         }
       }
       return out;
@@ -84,16 +89,15 @@ function reshape(record: PersistedRecord): readonly PersistedRecord[] {
       }
       return [out as PersistedRecord];
     }
-    case 'full_compaction.begin':
-      return [record];
-    case 'full_compaction.complete':
-      return [{ type: 'full_compaction.complete' } as PersistedRecord];
     case 'usage.record': {
       const rest: Record<string, unknown> = { ...(record as Record<string, unknown>) };
       const context = rest['context'] as
         | { type?: string; requestKind?: string }
         | undefined;
-      let usageScope = context?.type ?? rest['usageScope'];
+      let usageScope = rest['usageScope'];
+      if (usageScope === undefined && context !== undefined) {
+        usageScope = context.type;
+      }
       if (context?.type === 'operation' && context.requestKind === 'full_compaction') {
         usageScope = 'session';
       }
@@ -121,3 +125,10 @@ function reshape(record: PersistedRecord): readonly PersistedRecord[] {
       return [record];
   }
 }
+
+function stripMessageId(message: unknown): unknown {
+  if (message === null || typeof message !== 'object') return message;
+  const { id: _id, ...rest } = message as Record<string, unknown>;
+  void _id;
+  return rest;
+}
diff --git a/packages/agent-core-v2/src/app/model/modelResolverService.ts b/packages/agent-core-v2/src/app/model/modelResolverService.ts
index 8081fc08b..597ff87b5 100644
--- a/packages/agent-core-v2/src/app/model/modelResolverService.ts
+++ b/packages/agent-core-v2/src/app/model/modelResolverService.ts
@@ -48,6 +48,7 @@ import { resolveThinkingEffortForModel } from './thinking';
 /** Shape of the `thinking` config section (owned by `profile`); only the
  *  fields the resolver needs to mirror the production default are read here. */
 interface ThinkingSection {
+  readonly enabled?: boolean;
   readonly mode?: string;
   readonly effort?: string;
 }
@@ -175,6 +176,7 @@ export class ModelResolverService extends Disposable implements IModelResolver {
       undefined,
       {
         defaultThinking,
+        enabled: thinking?.enabled,
         mode: thinking?.mode,
         effort: thinking?.effort,
       },
diff --git a/packages/agent-core-v2/src/app/model/thinking.ts b/packages/agent-core-v2/src/app/model/thinking.ts
index 20850143a..a6cf52000 100644
--- a/packages/agent-core-v2/src/app/model/thinking.ts
+++ b/packages/agent-core-v2/src/app/model/thinking.ts
@@ -11,6 +11,7 @@ import type { ThinkingEffort } from '#/app/llmProtocol/thinkingEffort';
 
 export interface ThinkingDefaults {
   readonly defaultThinking?: boolean;
+  readonly enabled?: boolean;
   readonly mode?: string;
   readonly effort?: string;
 }
@@ -99,7 +100,11 @@ export function resolveThinkingEffortForModel(
         : (normalized as ThinkingEffort);
   } else if (defaults?.mode === 'on') {
     effort = configured ?? enabledThinkingEffortForModel(model);
-  } else if (defaults?.defaultThinking === false || defaults?.mode === 'off') {
+  } else if (
+    defaults?.enabled === false ||
+    defaults?.defaultThinking === false ||
+    defaults?.mode === 'off'
+  ) {
     effort = 'off';
   } else {
     effort = configured ?? defaultThinkingEffortForModel(model);
diff --git a/packages/agent-core-v2/src/session/agentLifecycle/mainAgent.ts b/packages/agent-core-v2/src/session/agentLifecycle/mainAgent.ts
index b417044bb..227cbe5c0 100644
--- a/packages/agent-core-v2/src/session/agentLifecycle/mainAgent.ts
+++ b/packages/agent-core-v2/src/session/agentLifecycle/mainAgent.ts
@@ -5,10 +5,12 @@
  * `agentId === 'main'`; `IAgentLifecycleService` itself knows nothing about
  * it. What *is* main-specific is session bootstrap business: the plugin
  * session-start service registers main-agent-only plugin guidance (matching
- * v1's `pluginSessionStarts: type === 'main' ? … : undefined`). `ensureMainAgent`
- * concentrates that business in one place so every bootstrapper (session
- * resume, legacy session/message services, the server edge) creates the main
- * agent the same way.
+ * v1's `pluginSessionStarts: type === 'main' ? … : undefined`) and the
+ * session cron service registers main-agent-only cron tools before the
+ * main-created notification fires. `ensureMainAgent` concentrates that
+ * business in one place so every bootstrapper (session resume, legacy
+ * session/message services, the server edge) creates the main agent the same
+ * way.
  *
  * Not a Service: a pure composition helper over the session handle.
  */
@@ -16,6 +18,7 @@
 import type { ISessionScopeHandle, IAgentScopeHandle } from '#/_base/di/scope';
 import { IAgentPluginService } from '#/agent/plugin/agentPlugin';
 import type { BindAgentInput } from '#/agent/profile/profile';
+import { ISessionCronService } from '#/session/cron/sessionCronService';
 
 import { IAgentLifecycleService } from './agentLifecycle';
 
@@ -35,6 +38,7 @@ export async function ensureMainAgent(
   opts?: EnsureMainAgentOptions,
 ): Promise<IAgentScopeHandle> {
   const agents = session.accessor.get(IAgentLifecycleService);
+  session.accessor.get(ISessionCronService);
   const existing = agents.getHandle(MAIN_AGENT_ID);
   if (existing !== undefined) return existing;
   const main = await agents.create({ agentId: MAIN_AGENT_ID, binding: opts?.binding });
diff --git a/packages/agent-core-v2/test/fullCompaction/fullCompaction-wire.test.ts b/packages/agent-core-v2/test/fullCompaction/fullCompaction-wire.test.ts
index a4c915777..010ac4f59 100644
--- a/packages/agent-core-v2/test/fullCompaction/fullCompaction-wire.test.ts
+++ b/packages/agent-core-v2/test/fullCompaction/fullCompaction-wire.test.ts
@@ -59,8 +59,7 @@ describe('fullCompaction ops (wire-backed)', () => {
     wire.dispatch(fullCompactionBegin({ source: 'manual', instruction: 'keep facts' }));
     expect(wire.getModel(CompactionModel).phase).toBe('running');
 
-    // Result numbers ride the payload (persisted) but collapse back to idle.
-    wire.dispatch(fullCompactionComplete({ compactedCount: 2, tokensBefore: 100, tokensAfter: 20 }));
+    wire.dispatch(fullCompactionComplete({}));
     expect(wire.getModel(CompactionModel).phase).toBe('idle');
 
     wire.dispatch(fullCompactionBegin({ source: 'auto' }));
@@ -84,14 +83,7 @@ describe('fullCompaction ops (wire-backed)', () => {
         instruction: 'keep facts',
       }),
     );
-    expect(records[1]).toEqual(
-      expect.objectContaining({
-        type: 'full_compaction.complete',
-        compactedCount: 2,
-        tokensBefore: 100,
-        tokensAfter: 20,
-      }),
-    );
+    expect(records[1]).toEqual({ type: 'full_compaction.complete' });
   });
 
   it('apply returns the same reference on a no-op (gate stays quiet)', () => {
@@ -132,4 +124,15 @@ describe('fullCompaction ops (wire-backed)', () => {
     await stranded.wire.replay({ type: 'full_compaction.begin', source: 'auto' });
     expect(stranded.wire.getModel(CompactionModel).phase).toBe('running');
   });
+
+  it('replays legacy complete payloads that carried accounting numbers', async () => {
+    const host = buildHost('full-compaction-legacy-complete-replay');
+
+    await host.wire.replay(
+      { type: 'full_compaction.begin', source: 'manual' },
+      { type: 'full_compaction.complete', compactedCount: 1, tokensBefore: 50, tokensAfter: 10 },
+    );
+
+    expect(host.wire.getModel(CompactionModel).phase).toBe('idle');
+  });
 });
diff --git a/packages/agent-core-v2/test/profile/binding.test.ts b/packages/agent-core-v2/test/profile/binding.test.ts
index 12ae70992..028c1a9aa 100644
--- a/packages/agent-core-v2/test/profile/binding.test.ts
+++ b/packages/agent-core-v2/test/profile/binding.test.ts
@@ -6,8 +6,16 @@ import { afterEach, beforeEach, describe, expect, it } from 'vitest';
 
 import { DEFAULT_AGENT_PROFILE_NAME, IAgentProfileCatalogService } from '#/app/agentProfileCatalog/agentProfileCatalog';
 import { IAgentProfileService } from '#/agent/profile/profile';
+import { serializeV1WireRecord } from '#/agent/wireRecord/v1WireSerializer';
+import { IAgentWireService } from '#/wire/tokens';
+import type { PersistedRecord } from '#/wire/wireService';
 
-import { createTestAgent, hostEnvironmentServices, type TestAgentContext } from '../harness';
+import {
+  InMemoryWireRecordPersistence,
+  createTestAgent,
+  hostEnvironmentServices,
+  type TestAgentContext,
+} from '../harness';
 
 const MOCK_MODEL = 'mock-model';
 
@@ -52,6 +60,59 @@ describe('AgentProfileService.bind', () => {
     expect(svc.getSystemPrompt()).toContain('Kimi Code CLI');
   });
 
+  it('persists bind bootstrap records in the v1-compatible order', async () => {
+    const persistence = new InMemoryWireRecordPersistence();
+    ctx = createTestAgent(
+      {
+        persistence,
+        initialConfig: {
+          thinking: { enabled: true, effort: 'low' },
+        },
+      },
+      hostEnvironmentServices(homeDir),
+    );
+    const svc = ctx.get(IAgentProfileService);
+    await ctx.get(IAgentWireService).flush();
+    const start = persistence.records.length;
+
+    await svc.bind({
+      profile: DEFAULT_AGENT_PROFILE_NAME,
+      model: MOCK_MODEL,
+      thinking: 'low',
+      cwd: homeDir,
+    });
+    await ctx.get(IAgentWireService).flush();
+
+    const records = persistence.records
+      .slice(start)
+      .flatMap((record) => [
+        ...serializeV1WireRecord(record as unknown as PersistedRecord),
+      ])
+      .filter(
+        (record) =>
+          record.type === 'config.update' || record.type === 'tools.set_active_tools',
+      );
+    expect(records).toHaveLength(3);
+    expect(records[0]).toMatchObject({
+      type: 'config.update',
+      cwd: homeDir,
+      profileName: DEFAULT_AGENT_PROFILE_NAME,
+      systemPrompt: expect.stringContaining('Kimi Code CLI'),
+    });
+    expect(records[0]).not.toHaveProperty('modelAlias');
+    expect(records[0]).not.toHaveProperty('thinkingEffort');
+    expect(records[1]).toMatchObject({
+      type: 'tools.set_active_tools',
+      names: expect.arrayContaining(['Read', 'Write', 'Bash']),
+    });
+    expect(records[2]).toMatchObject({
+      type: 'config.update',
+      modelAlias: MOCK_MODEL,
+      thinkingEffort: 'low',
+    });
+    expect(records[2]).not.toHaveProperty('thinkingLevel');
+  });
+
   it('setModel applies the default profile when none is bound yet', async () => {
     const { profile: svc } = buildContext();
 
diff --git a/packages/agent-core-v2/test/profile/profile-wire.test.ts b/packages/agent-core-v2/test/profile/profile-wire.test.ts
index 186447b92..f9741a1df 100644
--- a/packages/agent-core-v2/test/profile/profile-wire.test.ts
+++ b/packages/agent-core-v2/test/profile/profile-wire.test.ts
@@ -187,7 +187,7 @@ function createRecordingModel(
 }
 
 describe('AgentProfileService (wire-backed config.update)', () => {
-  it('update persists a flat config.update record and resolves thinkingLevel at the call site', async () => {
+  it('update persists a flat config.update record and resolves thinkingLevel as wire thinkingEffort at the call site', async () => {
     svc.update({ profileName: DEFAULT_AGENT_PROFILE_NAME, systemPrompt: 'You are helpful.' });
     svc.update({ thinkingLevel: 'on' });
 
@@ -206,7 +206,7 @@ describe('AgentProfileService (wire-backed config.update)', () => {
         profileName: DEFAULT_AGENT_PROFILE_NAME,
         systemPrompt: 'You are helpful.',
       },
-      { type: 'config.update', thinkingLevel: 'on' },
+      { type: 'config.update', thinkingEffort: 'on' },
     ]);
     expect(records.every((record) => 'payload' in record === false)).toBe(true);
   });
@@ -250,7 +250,7 @@ describe('AgentProfileService (wire-backed config.update)', () => {
       },
     });
 
-    void host.wire.replay(...records);
+    await host.wire.replay(...records);
     expect(modelOf(host.wire).cwd).toBe('/work');
     expect(modelOf(host.wire).profileName).toBe(DEFAULT_AGENT_PROFILE_NAME);
     expect(replayChdir).toBe(0);
@@ -270,10 +270,26 @@ describe('AgentProfileService (wire-backed config.update)', () => {
     // Fresh host whose config section would resolve differently is irrelevant:
     // the persisted resolved value ('on') is restored verbatim.
     const host = buildHost('profile-replay-thinking');
-    void host.wire.replay(...records);
+    await host.wire.replay(...records);
     expect(modelOf(host.wire).thinkingLevel).toBe('on');
   });
 
+  it('replays legacy config.update thinkingLevel records', async () => {
+    const host = buildHost('profile-replay-legacy-thinking-level');
+
+    await host.wire.replay({ type: 'config.update', thinkingLevel: 'high' });
+
+    expect(modelOf(host.wire).thinkingLevel).toBe('high');
+  });
+
+  it('rejects conflicting config.update thinking aliases during replay', async () => {
+    const host = buildHost('profile-replay-conflicting-thinking-aliases');
+
+    await expect(
+      host.wire.replay({ type: 'config.update', thinkingEffort: 'low', thinkingLevel: 'high' }),
+    ).rejects.toThrow('conflicting thinkingEffort');
+  });
+
   it('applies thinking.keep model override when thinking is enabled', () => {
     const generationKwargs: GenerationKwargs[] = [];
     const thinkingEfforts: ThinkingEffort[] = [];
diff --git a/packages/agent-core-v2/test/prompt/promptService.test.ts b/packages/agent-core-v2/test/prompt/promptService.test.ts
index 759efedde..05d7e73de 100644
--- a/packages/agent-core-v2/test/prompt/promptService.test.ts
+++ b/packages/agent-core-v2/test/prompt/promptService.test.ts
@@ -88,6 +88,29 @@ describe('AgentPromptService', () => {
     }));
   });
 
+  it('launches the turn before appending the user message', async () => {
+    const { context, prompt, turn } = createHarness();
+    const events: string[] = [];
+    const originalLaunch = turn.launch.bind(turn);
+    turn.launch = (...args) => {
+      events.push('turn.launch');
+      return originalLaunch(...args);
+    };
+    const originalAppend = context.append.bind(context);
+    context.append = (...messages) => {
+      events.push('context.append');
+      originalAppend(...messages);
+    };
+
+    await prompt.prompt(userMessage('ordered', { kind: 'user' }));
+
+    expect(events).toEqual(['turn.launch', 'context.append']);
+    expect(turn.launches).toEqual([0]);
+    expect(context.messages.map((message) => message.content[0])).toMatchObject([
+      { type: 'text', text: 'ordered' },
+    ]);
+  });
+
   it('runs submit hooks before queuing active steers', async () => {
     const { context, loop, prompt, turn } = createHarness({ hasActiveTurn: true });
     const activeTurn = turn.launch();
@@ -163,7 +186,12 @@ describe('AgentPromptService', () => {
 
     expect(result).toBeUndefined();
     expect(turn.launches).toEqual([]);
-    expect(context.messages).toHaveLength(1);
+    expect(context.messages).toMatchObject([
+      {
+        content: [{ type: 'text', text: 'blocked' }],
+        origin: { kind: 'system_trigger', name: 'test_block' },
+      },
+    ]);
   });
 
   it('delivers a declared steer through onDidExecuteTool and strips delivery', async () => {
diff --git a/packages/agent-core-v2/test/turn/turn-ready.test.ts b/packages/agent-core-v2/test/turn/turn-ready.test.ts
index 5da1c3fdb..499b41cbc 100644
--- a/packages/agent-core-v2/test/turn/turn-ready.test.ts
+++ b/packages/agent-core-v2/test/turn/turn-ready.test.ts
@@ -392,11 +392,11 @@ describe('AgentTurnService wire state', () => {
     expect(ix.get(IAgentWireService).getModel(TurnModel)).toEqual({ nextTurnId: 1 });
   });
 
-  it('dispatch persists a flat { type, turnId } record (no payload key)', async () => {
+  it('dispatch persists a flat record with the default user origin at the source', async () => {
     turnService.launch();
 
     const records = await readRecords();
-    expect(records).toEqual([{ type: 'turn.prompt', turnId: 0 }]);
+    expect(records).toEqual([{ type: 'turn.prompt', turnId: 0, origin: { kind: 'user' } }]);
     expect('payload' in records[0]!).toBe(false);
   });
 
diff --git a/packages/agent-core-v2/test/usage/usage.test.ts b/packages/agent-core-v2/test/usage/usage.test.ts
index 823c6becd..d55050ee0 100644
--- a/packages/agent-core-v2/test/usage/usage.test.ts
+++ b/packages/agent-core-v2/test/usage/usage.test.ts
@@ -11,7 +11,7 @@ import { InMemoryStorageService } from '#/persistence/backends/memory/inMemorySt
 import { IAppendLogStore } from '#/persistence/interface/appendLogStore';
 import { IFileSystemStorageService } from '#/persistence/interface/storage';
 import { IAgentWireService } from '#/wire/tokens';
-import type { PersistedRecord } from '#/wire/wireService';
+import type { IWireService, PersistedRecord } from '#/wire/wireService';
 import { WireService } from '#/wire/wireServiceImpl';
 import { type DomainEvent, IEventBus } from '#/app/event/eventBus';
 import { EventBusService } from '#/app/event/eventBusService';
@@ -46,6 +46,17 @@ async function readRecords(): Promise<PersistedRecord[]> {
   return out;
 }
 
+function createFreshWire(logKey: string): { readonly fresh: IWireService; readonly freshLog: IAppendLogStore } {
+  const freshIx = disposables.add(new TestInstantiationService());
+  freshIx.stub(IFileSystemStorageService, new InMemoryStorageService());
+  freshIx.set(IAppendLogStore, new SyncDescriptor(AppendLogStore));
+  freshIx.set(IAgentWireService, new SyncDescriptor(WireService, [{ logScope: SCOPE, logKey }]));
+  return {
+    fresh: freshIx.get(IAgentWireService),
+    freshLog: freshIx.get(IAppendLogStore),
+  };
+}
+
 const a1 = { inputOther: 1, output: 2, inputCacheRead: 3, inputCacheCreation: 4 };
 const a2 = { inputOther: 10, output: 20, inputCacheRead: 30, inputCacheCreation: 40 };
 const b1 = { inputOther: 100, output: 200, inputCacheRead: 300, inputCacheCreation: 400 };
@@ -130,7 +141,7 @@ describe('AgentUsageService (wire-backed)', () => {
     expect('payload' in records[0]!).toBe(false);
   });
 
-  it('marks turn-scoped sources with usageScope: turn for v1 wire compatibility', async () => {
+  it('marks turn-scoped sources with usageScope and turnId without persisting request context', async () => {
     svc.record('model-a', a1, { type: 'turn', turnId: 7, step: 2 });
 
     const records = await readRecords();
@@ -140,7 +151,7 @@ describe('AgentUsageService (wire-backed)', () => {
         model: 'model-a',
         usage: a1,
         usageScope: 'turn',
-        context: { type: 'turn', turnId: 7, step: 2 },
+        turnId: 7,
       },
     ]);
   });
@@ -150,26 +161,50 @@ describe('AgentUsageService (wire-backed)', () => {
     svc.record('model-a', a2, { type: 'turn', turnId: 1 });
     const records = await readRecords();
 
-    const ix2 = disposables.add(new TestInstantiationService());
-    ix2.stub(IFileSystemStorageService, new InMemoryStorageService());
-    ix2.set(IAppendLogStore, new SyncDescriptor(AppendLogStore));
-    ix2.set(
-      IAgentWireService,
-      new SyncDescriptor(WireService, [{ logScope: SCOPE, logKey: 'usage-replay' }]),
-    );
-    const log2 = ix2.get(IAppendLogStore);
-    const fresh = ix2.get(IAgentWireService);
+    const { fresh, freshLog } = createFreshWire('usage-replay');
 
-    void fresh.replay(...records);
+    await fresh.replay(...records);
 
     expect(fresh.getModel(UsageModel).byModel).toEqual({
       'model-a': { inputOther: 11, output: 22, inputCacheRead: 33, inputCacheCreation: 44 },
     });
 
     const written: PersistedRecord[] = [];
-    for await (const record of log2.read<PersistedRecord>(SCOPE, 'usage-replay')) {
+    for await (const record of freshLog.read<PersistedRecord>(SCOPE, 'usage-replay')) {
       written.push(record);
     }
     expect(written).toEqual([]);
   });
+
+  it('replays legacy turn context records into current turn usage', async () => {
+    const { fresh } = createFreshWire('usage-legacy-context-replay');
+
+    await fresh.replay({
+      type: 'usage.record',
+      model: 'model-a',
+      usage: a1,
+      usageScope: 'turn',
+      context: { type: 'turn', turnId: 9, step: 3 },
+    });
+
+    expect(fresh.getModel(UsageModel)).toMatchObject({
+      currentTurnId: 9,
+      currentTurn: a1,
+    });
+  });
+
+  it('rejects conflicting usage turn ids during replay', async () => {
+    const fresh = ix.get(IAgentWireService);
+
+    await expect(
+      fresh.replay({
+        type: 'usage.record',
+        model: 'model-a',
+        usage: a1,
+        usageScope: 'turn',
+        turnId: 1,
+        context: { type: 'turn', turnId: 2 },
+      }),
+    ).rejects.toThrow('conflicting turnId');
+  });
 });
diff --git a/packages/agent-core-v2/test/wireRecord/index.test.ts b/packages/agent-core-v2/test/wireRecord/index.test.ts
index 61eeca924..21dabae33 100644
--- a/packages/agent-core-v2/test/wireRecord/index.test.ts
+++ b/packages/agent-core-v2/test/wireRecord/index.test.ts
@@ -40,6 +40,101 @@ describe('serializeV1WireRecord', () => {
     ]);
   });
 
+  it('strips v2 message ids from context.append_message records', () => {
+    const message: ContextMessage = {
+      id: 'msg_test',
+      role: 'user',
+      content: [{ type: 'text', text: 'hello' }],
+      toolCalls: [],
+      origin: { kind: 'user' },
+    };
+
+    expect(
+      serializeV1WireRecord({
+        type: 'context.append_message',
+        message,
+      }),
+    ).toEqual([
+      {
+        type: 'context.append_message',
+        message: {
+          role: 'user',
+          content: [{ type: 'text', text: 'hello' }],
+          toolCalls: [],
+          origin: { kind: 'user' },
+        },
+        time: expect.any(Number),
+      },
+    ]);
+  });
+
+  it('strips v2 message ids from injected context.splice projections', () => {
+    const message: ContextMessage = {
+      id: 'msg_injection',
+      role: 'user',
+      content: [{ type: 'text', text: 'reminder' }],
+      toolCalls: [],
+      origin: { kind: 'injection', variant: 'test' },
+    };
+
+    expect(
+      serializeV1WireRecord({
+        type: 'context.splice',
+        start: 0,
+        deleteCount: 0,
+        messages: [message],
+      }),
+    ).toEqual([
+      {
+        type: 'context.append_message',
+        message: {
+          role: 'user',
+          content: [{ type: 'text', text: 'reminder' }],
+          toolCalls: [],
+          origin: { kind: 'injection', variant: 'test' },
+        },
+        time: expect.any(Number),
+      },
+    ]);
+  });
+
+  it('passes source-shaped config.update records through without field projection', () => {
+    expect(
+      serializeV1WireRecord({
+        type: 'config.update',
+        modelAlias: 'mock-model',
+        thinkingEffort: 'low',
+      } satisfies PersistedRecord),
+    ).toEqual([
+      {
+        type: 'config.update',
+        modelAlias: 'mock-model',
+        thinkingEffort: 'low',
+        time: expect.any(Number),
+      },
+    ]);
+
+    expect(serializeV1WireRecord({ type: 'config.update' } satisfies PersistedRecord)).toEqual([
+      { type: 'config.update', time: expect.any(Number) },
+    ]);
+  });
+
+  it('defaults missing turn.prompt origin to the v1 user origin', () => {
+    expect(
+      serializeV1WireRecord({
+        type: 'turn.prompt',
+        input: [{ type: 'text', text: 'hello' }],
+      } satisfies PersistedRecord),
+    ).toEqual([
+      {
+        type: 'turn.prompt',
+        input: [{ type: 'text', text: 'hello' }],
+        origin: { kind: 'user' },
+        time: expect.any(Number),
+      },
+    ]);
+  });
+
   it('preserves v1 context.apply_compaction accounting fields', () => {
     expect(
       serializeV1WireRecord({