Merge commit 'b916cf8aab5bd8bca5ae47df16f72717c0a56b4a' into HEAD

# Conflicts:
#	docs/config-catalog.i18n.yaml

docs/config-catalog.md

@@ -261,6 +261,26 @@ Depends on: [`ToolPresentationMode`](subsystems/tools.md)
 
 Source: [`packages/core/agent-tool-mode/src/index.ts:36`](../packages/core/agent-tool-mode/src/index.ts)
 
+## `@deepseek-ai/dsh-attachment-local`
+
+```ts config-catalog
+/** Local attachment backend configuration. */
+export interface Config {
+  /** Explicit harness home; omitted follows `DSH_HOME`, then `~/.dsh`. */
+  dshHome?: string
+  /** Maximum encoded bytes accepted for one image. */
+  maxImageBytes?: number
+  /** Maximum image count accepted in one submitted message. */
+  maxImagesPerMessage?: number
+  /** Maximum aggregate encoded image bytes accepted in one submitted message. */
+  maxMessageImageBytes?: number
+  /** Maximum intrinsic width multiplied by height accepted for one image. */
+  maxImagePixels?: number
+}
+```
+
+Source: [`packages/attachment/attachment-local/src/index.ts:24`](../packages/attachment/attachment-local/src/index.ts)
+
 ## `@deepseek-ai/dsh-bash-env`
 
 ```ts config-catalog
@@ -332,10 +352,12 @@ export interface ConnectionConfig {
    * that is not a bare, canonical authority fails the plugin load.
    */
   trustedHosts?: string[]
+  /** Maximum buffered JSON body for every `/api` request. */
+  maxRequestBodyBytes?: number
 }
 ```
 
-Source: [`packages/client/connection/src/index.ts:32`](../packages/client/connection/src/index.ts)
+Source: [`packages/client/connection/src/index.ts:52`](../packages/client/connection/src/index.ts)
 
 ## `@deepseek-ai/dsh-client-hmr`
 
@@ -617,13 +639,11 @@ Source: [`packages/hooks/hooks-codex/src/index.ts:44`](../packages/hooks/hooks-c
 
 ## `@deepseek-ai/dsh-host-apiproxy`
 
-Requires: `agentDefaultModel` · `agents` · `directoryPicker` · `llm` · `sessions` · `subagents` · `sessionQuery` · `tools` · `userInteraction` · `workspace`
+Requires: `agentDefaultModel` · `agents` · `attachments` · `directoryPicker` · `llm` · `sessions` · `subagents` · `sessionQuery` · `tools` · `userInteraction` · `workspace`
 
 ```ts config-catalog
-/** Gateway plugin config: the Host-only Workspace creation root. */
+/** Gateway plugin config for native Host integration. */
 export interface Config {
-  /** Parent directory for name-created Workspaces; defaults to the Host cwd. */
-  workspaceRoot?: string
   /**
    * Whether this deployment can hand paths to a native desktop opener —
    * the `hasDocument` capability the agent-preset roster reports. Absent,
@@ -635,7 +655,7 @@ export interface Config {
 }
 ```
 
-Source: [`packages/host/apiproxy/src/index.ts:38`](../packages/host/apiproxy/src/index.ts)
+Source: [`packages/host/apiproxy/src/index.ts:37`](../packages/host/apiproxy/src/index.ts)
 
 ## `@deepseek-ai/dsh-host-directory-picker-browse`
 
@@ -2736,6 +2756,7 @@ These load from a `cordis.yml` entry with no `config:` block; they declare no co
 
 Abstract service classes — a deployment loads a concrete implementation package instead ([capability seams](../.agents/notes/implemented/architecture/2026-06-13-capability-seams.md)).
 
+- `@deepseek-ai/dsh-attachment` — abstract `AttachmentStore` ([`packages/attachment/attachment/src/index.ts`](../packages/attachment/attachment/src/index.ts))
 - `@deepseek-ai/dsh-bash` — abstract `BashExecutor` ([`packages/bash/bash/src/index.ts`](../packages/bash/bash/src/index.ts))
 - `@deepseek-ai/dsh-code-runtime` — abstract `CodeRuntime` ([`packages/code-runtime/code-runtime/src/index.ts`](../packages/code-runtime/code-runtime/src/index.ts))
 - `@deepseek-ai/dsh-compact` — abstract `CompactService` ([`packages/compact/compact/src/index.ts`](../packages/compact/compact/src/index.ts))