diff --git a/.agents/notes/implemented/feature/2026-07-16-persistent-pty-sessions.i18n.yaml b/.agents/notes/implemented/feature/2026-07-16-persistent-pty-sessions.i18n.yaml
index eab1b8987e..a15b09cc7c 100644
--- a/.agents/notes/implemented/feature/2026-07-16-persistent-pty-sessions.i18n.yaml
+++ b/.agents/notes/implemented/feature/2026-07-16-persistent-pty-sessions.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-16-persistent-pty-sessions.md
-2026-07-16-persistent-pty-sessions.md: fa9d90e3ded97b279c5cad7c8b5733333403beaf
-2026-07-16-persistent-pty-sessions.zh.md: f801f4d0728452b2a5acf75c5bcbef0d9e1e6901
+2026-07-16-persistent-pty-sessions.md: 252af19ac2cc8ca29509e189ab07d9d147feef63
+2026-07-16-persistent-pty-sessions.zh.md: e63cacde98ec827b4ed1fed4eba39d228bdaf22a
diff --git a/.agents/notes/implemented/feature/2026-07-16-persistent-pty-sessions.md b/.agents/notes/implemented/feature/2026-07-16-persistent-pty-sessions.md
index fa9d90e3de..252af19ac2 100644
--- a/.agents/notes/implemented/feature/2026-07-16-persistent-pty-sessions.md
+++ b/.agents/notes/implemented/feature/2026-07-16-persistent-pty-sessions.md
@@ -134,7 +134,7 @@ The package ships concise tool guidance explaining persistent state, owner isola
 - Declarative per-agent startup requires an agent-setup composition point; plugin-load global sessions remain prohibited.
 - Session restoration across harness-process loss requires an out-of-process owner and a versioned protocol.
 - Network-egress policy and rollback of external side effects are broader than PTY and remain separate security work.
-- Windows/ConPTY sessions run through the subprocess-local Windows inspector (Toolhelp32 identities, pseudo foreground groups, taskkill teardown) and the `pty-local` pwsh dialect; see the [pwsh persistent tool note](../../architecture/2026-08-11-pwsh-persistent-pty.md).
+- Windows/ConPTY sessions run through the subprocess-local Windows inspector (Toolhelp32 identities, pseudo foreground groups, taskkill teardown) and the `pty-local` pwsh dialect; see the [pwsh persistent tool note](../architecture/2026-08-11-pwsh-persistent-pty.md).
 
 ## Alternatives considered
 
diff --git a/.agents/notes/implemented/feature/2026-07-16-persistent-pty-sessions.zh.md b/.agents/notes/implemented/feature/2026-07-16-persistent-pty-sessions.zh.md
index f801f4d072..e63cacde98 100644
--- a/.agents/notes/implemented/feature/2026-07-16-persistent-pty-sessions.zh.md
+++ b/.agents/notes/implemented/feature/2026-07-16-persistent-pty-sessions.zh.md
@@ -134,7 +134,7 @@ plugins:
 - 声明式 per-agent 启动需要 agent-setup 组合点；仍然禁止插件加载期全局会话。
 - harness 进程丢失后的会话恢复需要进程外 owner 和版本化协议。
 - 网络出口策略与外部副作用回滚超出 PTY 范围，继续作为独立安全工作。
-- Windows/ConPTY 会话经由 subprocess-local 的 Windows inspector（Toolhelp32 身份、伪前台进程组、taskkill 拆卸）与 `pty-local` 的 pwsh 方言运行；见 [pwsh 持久工具 note](../../architecture/2026-08-11-pwsh-persistent-pty.md)。
+- Windows/ConPTY 会话经由 subprocess-local 的 Windows inspector（Toolhelp32 身份、伪前台进程组、taskkill 拆卸）与 `pty-local` 的 pwsh 方言运行；见 [pwsh 持久工具 note](../architecture/2026-08-11-pwsh-persistent-pty.md)。
 
 ## 备选方案
 
diff --git a/docs/config-catalog.md b/docs/config-catalog.md
index 01c942493a..44d6a8c8cf 100644
--- a/docs/config-catalog.md
+++ b/docs/config-catalog.md
@@ -1229,9 +1229,11 @@ Requires: `pty` · `sandboxPolicy` · `subprocess`
 export interface Config {
   /** Backend registry type (default: `shell`). */
   backendType?: string
-  /** Interactive shell executable (default: `/bin/bash`). */
+  /** Interactive shell dialect (default: `bash`); selects the argv/env/startup defaults. */
+  shellDialect?: ShellDialect
+  /** Interactive shell executable (default per dialect: `/bin/bash`, or the resolved pwsh). */
   shellPath?: string
-  /** Shell arguments (default: `--noprofile --norc -i`). */
+  /** Shell arguments (default per dialect: bash `--noprofile --norc -i`, pwsh `-NoLogo -NoProfile`). */
   shellArgs?: string[]
   /** Terminal rows. */
   rows?: number
@@ -1259,9 +1261,12 @@ export interface Config {
   /** Grace before teardown escalates to `SIGKILL`. */
   disposeGraceMs?: number
 }
+
+/** One supported interactive shell dialect. */
+export type ShellDialect = 'bash' | 'pwsh'
 ```
 
-Source: [`packages/pty/pty-local/src/config.ts:6`](../packages/pty/pty-local/src/config.ts)
+Source: [`packages/pty/pty-local/src/config.ts:10`](../packages/pty/pty-local/src/config.ts)
 
 ## `@deepseek-ai/dsh-pwsh-local`
 
@@ -2232,6 +2237,26 @@ export interface Config {
 
 Source: [`packages/bash/tool-pwsh/src/index.ts:52`](../packages/bash/tool-pwsh/src/index.ts)
 
+## `@deepseek-ai/dsh-tool-pwsh-persistent`
+
+Requires: `tools` · `pty`
+
+```ts config-catalog
+/** Configuration for the persistent pwsh tool. */
+export interface Config {
+  /** PTY backend used for each owner-isolated persistent shell (default `shell`). */
+  backendType?: string
+  /** Wall-clock limit for one command (default 300000). */
+  timeoutMs?: number
+  /** Maximum returned command-output characters before clipping (default 16000). */
+  maxOutputChars?: number
+  /** Model-facing tool description; deployments may describe their environment. */
+  description?: string
+}
+```
+
+Source: [`packages/pty/tool-pwsh-persistent/src/index.ts:436`](../packages/pty/tool-pwsh-persistent/src/index.ts)
+
 ## `@deepseek-ai/dsh-tool-ralph`
 
 Requires: `tools` · `workflows` · `subagents` · `systemPrompt`
diff --git a/docs/tool-catalog.md b/docs/tool-catalog.md
index eeccb974b8..9404a74947 100644
--- a/docs/tool-catalog.md
+++ b/docs/tool-catalog.md
@@ -22,6 +22,7 @@ This table connects model-visible tool names to the plugin package and service s
 | `@deepseek-ai/dsh-tool-pwsh` | `pwsh` | `ctx.tools`, `ctx.bash`, `ctx.systemPrompt`, `ctx.bashEnv`, `ctx.tasks at call time for run_in_background` | `tool/call`, `tool/result` | - | The pwsh tool is the PowerShell-dialect consumer of the bash executor seam for Windows compositions (a PowerShell executor such as `@deepseek-ai/dsh-pwsh-local` backs `ctx.bash`); it mirrors the bash tool call-for-call minus sandbox controls — `run_in_background` runs register with the generic `ctx.tasks` runtime and are collected/stopped through the `task_*` tools, and the managed `DSH_*` environment comes from `@deepseek-ai/dsh-bash-env`. Each call runs in a fresh process (no persistent PTY session), with native `C:\...` paths and `$env:NAME` variables. |
 | `@deepseek-ai/dsh-tool-cordis` | `cordis_inspect`, `cordis_mount`, `cordis_unmount` | `ctx.tools` | `tool/call`, `tool/result`, `process-local temporary Plugin lifecycle` | - | Not in any shipped tree (a deliberate opt-in — temporary Plugin code reaches the real runtime, see .agents/notes/implemented/feature/2026-07-08-self-referential-cordis-toolset.md). Plugins created by cordis_mount may register ADDITIONAL model-visible tools until unmounted or DSH restarts; a full changed request header logs those tool-set changes. |
 | `@deepseek-ai/dsh-tool-bash-persistent` | `bash` | `ctx.tools`, `ctx.pty`, `an owning Agent at execution time` | `tool/call`, `PTY shell state`, `tool/result` | - | One owner-isolated persistent bash tool; deployment composition supplies the PTY backend and may override the model-facing environment description. |
+| `@deepseek-ai/dsh-tool-pwsh-persistent` | `pwsh` | `ctx.tools`, `ctx.pty`, `an owning Agent at execution time` | `tool/call`, `PTY shell state`, `tool/result` | - | One owner-isolated persistent pwsh tool, the Windows counterpart of the persistent bash tool; deployment composition supplies a pwsh-dialect PTY backend and may override the model-facing environment description. |
 | `@deepseek-ai/dsh-tool-str-replace-editor` | `str_replace_editor` | `ctx.tools`, `ctx.fs` | `tool/call`, `fs/observed after view presence/absence, edit absence, or successful mutation`, `tool/result` | - | Standalone view/create/unique literal replace/line insert tool over the filesystem seam; it composes with any shell or terminal API. |
 | `@deepseek-ai/dsh-tool-fs` | `edit`, `read`, `read_image`, `write` | `ctx.tools`, `ctx.fs`, `ctx.systemPrompt`, `ctx.attachments (read_image registration)`, `ctx.llm + an image-capable route (read_image execution)` | `tool/call`, `fs/write-intent or fs/edit-intent for mutations`, `fs/observed after read presence/absence or successful file operation`, `durable attachment (read_image)`, `tool/result` | - | The read-before-write/edit policy is added by `@deepseek-ai/dsh-fs-policy` (an `fs/*` event-gate plugin, no schema change); a deployment that loads these tools is expected to also load it. `read_image` is not registered without `ctx.attachments`; its schema is route-independent, and execution refuses unless the exact routed model declares image input. |
 | `@deepseek-ai/dsh-tool-fs-search` | `glob`, `grep` | `ctx.tools`, `ctx.subprocess`, `ctx.systemPrompt` | `tool/call`, `tool/result` | - | glob and grep are unconditional discovery tools that spawn the packaged ripgrep binary (`@vscode/ripgrep`) through ctx.subprocess as ordinary foreground calls (never background tasks) — no host `rg` install and no shell layer. The catalog uses `sampleOverCapGlobResults: true`; deployments must choose that behavior explicitly. Capped results save the complete formatted list through the optional ctx.spillStore backend; returned locators are follow-up-readable/searchable when the backend exposes local paths in co-located deployments. |
@@ -351,6 +352,31 @@ Source: [`packages/pty/tool-bash-persistent/src/index.ts`](../packages/pty/tool-
 
 One owner-isolated persistent bash tool; deployment composition supplies the PTY backend and may override the model-facing environment description.
 
+## `@deepseek-ai/dsh-tool-pwsh-persistent`
+
+### `pwsh`
+
+Run commands in a persistent PowerShell shell. State, including the current directory and exported environment variables, persists across calls for this agent.
+
+```json
+{
+  "type": "object",
+  "properties": {
+    "command": {
+      "type": "string",
+      "description": "The PowerShell command to run. Relative path is preferred in the command."
+    }
+  },
+  "required": [
+    "command"
+  ]
+}
+```
+
+Source: [`packages/pty/tool-pwsh-persistent/src/index.ts`](../packages/pty/tool-pwsh-persistent/src/index.ts)
+
+One owner-isolated persistent pwsh tool, the Windows counterpart of the persistent bash tool; deployment composition supplies a pwsh-dialect PTY backend and may override the model-facing environment description.
+
 ## `@deepseek-ai/dsh-tool-str-replace-editor`
 
 ### `str_replace_editor`
diff --git a/scripts/gen-tool-catalog.ts b/scripts/gen-tool-catalog.ts
index 73a87f8213..0a836b2f1c 100644
--- a/scripts/gen-tool-catalog.ts
+++ b/scripts/gen-tool-catalog.ts
@@ -43,6 +43,7 @@ import * as ToolAskUser from '@deepseek-ai/dsh-tool-ask-user'
 import * as ToolBash from '@deepseek-ai/dsh-tool-bash'
 import * as ToolPwsh from '@deepseek-ai/dsh-tool-pwsh'
 import * as ToolBashPersistent from '@deepseek-ai/dsh-tool-bash-persistent'
+import * as ToolPwshPersistent from '@deepseek-ai/dsh-tool-pwsh-persistent'
 import * as ToolCordis from '@deepseek-ai/dsh-tool-cordis'
 import * as ToolFs from '@deepseek-ai/dsh-tool-fs'
 import * as ToolFsSearch from '@deepseek-ai/dsh-tool-fs-search'
@@ -273,6 +274,19 @@ const TOOL_PACKAGES: ToolPackage[] = [
     note:
       'One owner-isolated persistent bash tool; deployment composition supplies the PTY backend and may override the model-facing environment description.',
   },
+  {
+    pkg: '@deepseek-ai/dsh-tool-pwsh-persistent',
+    dir: 'tool-pwsh-persistent',
+    source: 'packages/pty/tool-pwsh-persistent/src/index.ts',
+    requires: ['ctx.tools', 'ctx.pty', 'an owning Agent at execution time'],
+    writes: ['tool/call', 'PTY shell state', 'tool/result'],
+    async mount(ctx) {
+      await ctx.plugin(PtyService)
+      await ctx.plugin(ToolPwshPersistent)
+    },
+    note:
+      'One owner-isolated persistent pwsh tool, the Windows counterpart of the persistent bash tool; deployment composition supplies a pwsh-dialect PTY backend and may override the model-facing environment description.',
+  },
   {
     pkg: '@deepseek-ai/dsh-tool-str-replace-editor',
     dir: 'tool-str-replace-editor',