diff --git a/.changeset/export-install-source-shell-env.md b/.changeset/export-install-source-shell-env.md
new file mode 100644
index 000000000..4187bed4f
--- /dev/null
+++ b/.changeset/export-install-source-shell-env.md
@@ -0,0 +1,7 @@
+---
+"@moonshot-ai/agent-core": patch
+"@moonshot-ai/kimi-code-sdk": patch
+"@moonshot-ai/kimi-code": patch
+---
+
+Enhance `kimi export` to include more diagnostic information in the manifest.
diff --git a/apps/kimi-code/src/cli/sub/export.ts b/apps/kimi-code/src/cli/sub/export.ts
index 9ec9aafdc..6c5caf10c 100644
--- a/apps/kimi-code/src/cli/sub/export.ts
+++ b/apps/kimi-code/src/cli/sub/export.ts
@@ -18,12 +18,14 @@ import {
   type ExportSessionInput,
   type ExportSessionResult,
   type SessionSummary,
+  type ShellEnvironment,
   type TelemetryClient,
 } from '@moonshot-ai/kimi-code-sdk';
 import type { Command } from 'commander';
 
 import { CLI_SHUTDOWN_TIMEOUT_MS, CLI_UI_MODE } from '#/constant/app';
 import { createCliTelemetryBootstrap, initializeCliTelemetry } from '#/cli/telemetry';
+import { detectInstallSource } from '#/cli/update/source';
 import { createKimiCodeHostIdentity } from '#/cli/version';
 
 interface WritableLike {
@@ -41,6 +43,8 @@ export interface ExportDeps {
   readonly listSessions: (workDir: string) => Promise<readonly SessionSummary[]>;
   readonly exportSession: (input: ExportSessionInput) => Promise<ExportSessionResult>;
   readonly confirmPreviousSession: (summary: PreviousSessionSummary) => Promise<boolean>;
+  readonly getInstallSource: () => Promise<string>;
+  readonly getShellEnv: () => ShellEnvironment;
   readonly version: string;
   readonly cwd: () => string;
   readonly stdout: WritableLike;
@@ -81,9 +85,13 @@ export async function handleExport(
   }
 
   try {
+    const installSource = await deps.getInstallSource();
+    const shellEnv = deps.getShellEnv();
     const result = await deps.exportSession({
       id: resolvedId,
       version: deps.version,
+      installSource,
+      shellEnv,
       ...(output === undefined ? {} : { outputPath: output }),
       ...(opts.includeGlobalLog ? { includeGlobalLog: true } : {}),
     });
@@ -180,6 +188,8 @@ function createDefaultExportDeps(overrides: Partial<ExportDeps> = {}): ExportDep
         }
       }),
     version: overrides.version ?? identity.version,
+    getInstallSource: overrides.getInstallSource ?? (() => detectInstallSource()),
+    getShellEnv: overrides.getShellEnv ?? detectShellEnvironment,
     confirmPreviousSession: overrides.confirmPreviousSession ?? confirmPreviousSession,
     cwd: overrides.cwd ?? (() => process.cwd()),
     stdout: overrides.stdout ?? process.stdout,
@@ -221,6 +231,23 @@ async function confirmPreviousSession(summary: PreviousSessionSummary): Promise<
   }
 }
 
+function detectMultiplexer(): string | undefined {
+  if (process.env['TMUX']) return 'tmux';
+  if (process.env['STY']) return 'screen';
+  if (process.env['ZELLIJ']) return 'zellij';
+  return undefined;
+}
+
+function detectShellEnvironment(): ShellEnvironment {
+  return {
+    term: process.env['TERM'] || undefined,
+    termProgram: process.env['TERM_PROGRAM'] || undefined,
+    termProgramVersion: process.env['TERM_PROGRAM_VERSION'] || undefined,
+    multiplexer: detectMultiplexer(),
+    shell: process.env['SHELL'] || undefined,
+  };
+}
+
 function errorMessage(error: unknown): string {
   return error instanceof Error ? error.message : String(error);
 }
diff --git a/apps/kimi-code/test/cli/export.test.ts b/apps/kimi-code/test/cli/export.test.ts
index 5413da10e..934c41ccd 100644
--- a/apps/kimi-code/test/cli/export.test.ts
+++ b/apps/kimi-code/test/cli/export.test.ts
@@ -164,6 +164,8 @@ function makeDeps(overrides: Partial<ExportDeps> = {}): {
       return makeResult(input.id, input.outputPath ?? join(tmp, `${input.id}.zip`));
     },
     confirmPreviousSession: async () => true,
+    getInstallSource: async () => 'npm-global',
+    getShellEnv: () => ({ term: 'xterm-256color', shell: '/bin/zsh' }),
     version: '1.0.0-test',
     cwd: () => tmp,
     stdout: {
@@ -223,7 +225,7 @@ describe('kimi export', () => {
     expect(exitCodes).toEqual([]);
     expect(stderr).toEqual([]);
     expect(listedWorkDirs).toEqual([]);
-    expect(exportInputs).toEqual([{ id: 'ses_test123456', outputPath: output, includeGlobalLog: true, version: '1.0.0-test' }]);
+    expect(exportInputs).toEqual([{ id: 'ses_test123456', outputPath: output, includeGlobalLog: true, version: '1.0.0-test', installSource: 'npm-global', shellEnv: { term: 'xterm-256color', shell: '/bin/zsh' } }]);
     expect(stdout.join('').trim()).toBe(output);
   });
 
@@ -232,7 +234,7 @@ describe('kimi export', () => {
 
     await runExport(deps, { sessionId: 'session_default_output' });
 
-    expect(exportInputs).toEqual([{ id: 'session_default_output', includeGlobalLog: true, version: '1.0.0-test' }]);
+    expect(exportInputs).toEqual([{ id: 'session_default_output', includeGlobalLog: true, version: '1.0.0-test', installSource: 'npm-global', shellEnv: { term: 'xterm-256color', shell: '/bin/zsh' } }]);
     expect(stdout.join('').trim()).toBe(join(tmp, 'session_default_output.zip'));
   });
 
@@ -270,7 +272,7 @@ describe('kimi export', () => {
     await runExport(deps, { output });
 
     expect(exitCodes).toEqual([]);
-    expect(exportInputs).toEqual([{ id: 'ses_fallback', outputPath: output, includeGlobalLog: true, version: '1.0.0-test' }]);
+    expect(exportInputs).toEqual([{ id: 'ses_fallback', outputPath: output, includeGlobalLog: true, version: '1.0.0-test', installSource: 'npm-global', shellEnv: { term: 'xterm-256color', shell: '/bin/zsh' } }]);
     expect(stdout.join('').trim()).toBe(output);
   });
 
@@ -312,7 +314,7 @@ describe('kimi export', () => {
     await runExport(deps, { output: join(tmp, 'yes.zip'), yes: true });
 
     expect(exitCodes).toEqual([]);
-    expect(exportInputs).toEqual([{ id: 'ses_yes', outputPath: join(tmp, 'yes.zip'), includeGlobalLog: true, version: '1.0.0-test' }]);
+    expect(exportInputs).toEqual([{ id: 'ses_yes', outputPath: join(tmp, 'yes.zip'), includeGlobalLog: true, version: '1.0.0-test', installSource: 'npm-global', shellEnv: { term: 'xterm-256color', shell: '/bin/zsh' } }]);
   });
 
   it('describes the user-facing command without implementation details', () => {
@@ -338,7 +340,7 @@ describe('kimi export', () => {
     await program.parseAsync(['node', 'kimi', 'export', '--no-include-global-log', '-y']);
 
     expect(exitCodes).toEqual([]);
-    expect(exportInputs).toEqual([{ id: 'ses_global_log', version: '1.0.0-test' }]);
+    expect(exportInputs).toEqual([{ id: 'ses_global_log', version: '1.0.0-test', installSource: 'npm-global', shellEnv: { term: 'xterm-256color', shell: '/bin/zsh' } }]);
     expect(stdout.join('').trim()).toBe(join(tmp, 'ses_global_log.zip'));
   });
 
@@ -361,7 +363,7 @@ describe('kimi export', () => {
 
     expect(exitCodes).toEqual([]);
     expect(exportInputs).toEqual([
-      { id: 'ses_after_id', outputPath: output, version: '1.0.0-test' },
+      { id: 'ses_after_id', outputPath: output, version: '1.0.0-test', installSource: 'npm-global', shellEnv: { term: 'xterm-256color', shell: '/bin/zsh' } },
     ]);
   });
 
@@ -420,6 +422,8 @@ describe('kimi export', () => {
       outputPath: output,
       version: expect.any(String),
       includeGlobalLog: true,
+      installSource: expect.any(String),
+      shellEnv: expect.objectContaining({ shell: expect.any(String) }),
     });
     expect(mocks.shutdownTelemetry).toHaveBeenCalledWith({ timeoutMs: 3000 });
     expect(mocks.harnessExportSession.mock.invocationCallOrder[0]).toBeLessThan(
diff --git a/packages/agent-core/src/rpc/core-api.ts b/packages/agent-core/src/rpc/core-api.ts
index 8b80597d7..ebc1b2e36 100644
--- a/packages/agent-core/src/rpc/core-api.ts
+++ b/packages/agent-core/src/rpc/core-api.ts
@@ -52,6 +52,14 @@ export interface ForkSessionPayload {
   readonly metadata?: JsonObject;
 }
 
+export interface ShellEnvironment {
+  readonly term?: string | undefined;
+  readonly termProgram?: string | undefined;
+  readonly termProgramVersion?: string | undefined;
+  readonly multiplexer?: string | undefined;
+  readonly shell?: string | undefined;
+}
+
 export interface ExportSessionPayload {
   readonly sessionId: string;
   readonly outputPath?: string | undefined;
@@ -63,6 +71,9 @@ export interface ExportSessionPayload {
   readonly includeGlobalLog?: boolean | undefined;
   /** Host version to record in the export manifest. */
   readonly version: string;
+  /** How the CLI was installed (e.g. 'npm-global', 'native'). */
+  readonly installSource?: string | undefined;
+  readonly shellEnv?: ShellEnvironment | undefined;
 }
 
 export interface ExportSessionManifest {
@@ -80,6 +91,9 @@ export interface ExportSessionManifest {
   readonly sessionLogPath?: string | undefined;
   /** zip-relative path to the bundled global diagnostic log (only when --include-global-log). */
   readonly globalLogPath?: string | undefined;
+  /** How the CLI was installed (e.g. 'npm-global', 'native'). */
+  readonly installSource?: string | undefined;
+  readonly shellEnv?: ShellEnvironment | undefined;
 }
 
 export interface ExportSessionResult {
diff --git a/packages/agent-core/src/session/export/manifest.ts b/packages/agent-core/src/session/export/manifest.ts
index d4fe1999c..2e1c1809c 100644
--- a/packages/agent-core/src/session/export/manifest.ts
+++ b/packages/agent-core/src/session/export/manifest.ts
@@ -1,6 +1,6 @@
 import { AGENT_WIRE_PROTOCOL_VERSION } from '../../agent/records';
 import type { SessionWireScan } from '#/session/export/wire-scan';
-import type { ExportSessionManifest, SessionSummary } from '#/rpc/core-api';
+import type { ExportSessionManifest, ShellEnvironment, SessionSummary } from '#/rpc/core-api';
 
 export const WIRE_PROTOCOL_VERSION = AGENT_WIRE_PROTOCOL_VERSION;
 
@@ -12,6 +12,8 @@ export function buildExportManifest(args: {
   readonly sessionScan: SessionWireScan;
   readonly sessionLogPath?: string | undefined;
   readonly globalLogPath?: string | undefined;
+  readonly installSource?: string | undefined;
+  readonly shellEnv?: ShellEnvironment | undefined;
 }): ExportSessionManifest {
   return {
     sessionId: args.summary.id,
@@ -32,5 +34,7 @@ export function buildExportManifest(args: {
     workspaceDir: args.summary.workDir,
     sessionLogPath: args.sessionLogPath,
     globalLogPath: args.globalLogPath,
+    installSource: args.installSource,
+    shellEnv: args.shellEnv,
   };
 }
diff --git a/packages/agent-core/src/session/export/session-export.ts b/packages/agent-core/src/session/export/session-export.ts
index 6f4d5e956..e4e625722 100644
--- a/packages/agent-core/src/session/export/session-export.ts
+++ b/packages/agent-core/src/session/export/session-export.ts
@@ -54,6 +54,8 @@ export async function exportSessionDirectory(input: {
     sessionScan,
     sessionLogPath: hasSessionLog ? SESSION_LOG_REL : undefined,
     globalLogPath: bundledGlobal ? GLOBAL_LOG_REL : undefined,
+    installSource: input.request.installSource,
+    shellEnv: input.request.shellEnv,
   });
 
   const outputPath =
diff --git a/packages/node-sdk/src/rpc.ts b/packages/node-sdk/src/rpc.ts
index 0446dafd6..05bc7dfd0 100644
--- a/packages/node-sdk/src/rpc.ts
+++ b/packages/node-sdk/src/rpc.ts
@@ -183,6 +183,8 @@ export class SDKRpcClient {
       outputPath: input.outputPath,
       includeGlobalLog: input.includeGlobalLog,
       version: input.version,
+      installSource: input.installSource,
+      shellEnv: input.shellEnv,
     });
   }
 
diff --git a/packages/node-sdk/src/types.ts b/packages/node-sdk/src/types.ts
index 7e4944f6f..f5a2a90b8 100644
--- a/packages/node-sdk/src/types.ts
+++ b/packages/node-sdk/src/types.ts
@@ -1,6 +1,7 @@
 import type {
   ExportSessionManifest,
   ResumeSessionResult,
+  ShellEnvironment,
   TelemetryClient,
   TelemetryContextPatch,
   TelemetryProperties,
@@ -35,6 +36,7 @@ export type {
   ProviderType,
   ResumedAgentState,
   ServicesConfig,
+  ShellEnvironment,
   SkillSummary,
   ThinkingConfig,
   ToolInfo,
@@ -94,6 +96,9 @@ export interface ExportSessionInput {
   readonly includeGlobalLog?: boolean | undefined;
   /** Host version to record in the export manifest. */
   readonly version: string;
+  /** How the CLI was installed (e.g. 'npm-global', 'native'). */
+  readonly installSource?: string | undefined;
+  readonly shellEnv?: ShellEnvironment | undefined;
 }
 
 export interface ExportSessionResult {